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Cheap flights from Seattle to Sydney from $564

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SEA — SYD
7 Jun — 14 Jun1
1 adult
Fri 7/6
Fri 14/6

The best prices from Seattle/Tacoma Intl to Sydney Kingsford Smith are usually found in February or March, booked 61 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Seattle to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 June 2024.

Popular in

June

Cheapest in

February

Average price

$2,093

Round-trip from

$188
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 14% potential price drop
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Average for round-trip flights in June 2024
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From Seattle/Tacoma Intl to Sydney Kingsford Smith
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What is the cheapest day to fly return from Seattle to Sydney?

Users have found that flying from Seattle to Sydney on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Seattle to Sydney?

To save up to 40% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to Sydney from $1,736 1-2 weeks out and tickets from $2,119 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to Sydney?

Flights from Seattle to Sydney lean towards being more expensive in June. Prices are generally better when you fly from Seattle to Sydney in February, with the cheapest ticket starting at $1,226.

What is the cheapest time of day to fly from SEA to SYD?

A simple way to save on the total cost of your ticket is to fly from Seattle to Sydney in the morning. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at midday.

Cheap United Airlines flights from Seattle to Sydney

Explore cheap flight options specifically provided by United Airlines for the route between Seattle and Sydney. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
Check out some of the cheapest United Airlines flights we've come across from Seattle to Sydney. It's recommended that users confirm their flight details before booking.
Mon 8/715:35SEA - SYD
1 stop22h 25mUnited Airlines
Tue 16/709:30SYD - SEA
1 stop19h 47mUnited Airlines
Deal found 1/6$1,135
Sun 1/916:43SEA - SYD
1 stop21h 12mUnited Airlines
Tue 17/909:30SYD - SEA
2 stops29h 29mUnited Airlines
Deal found 1/6$1,141
Tue 25/615:30SEA - SYD
1 stop22h 30mUnited Airlines
Mon 12/809:30SYD - SEA
2 stops28h 43mUnited Airlines
Deal found 1/6$1,148
Wed 24/709:25SEA - SYD
1 stop28h 35mUnited Airlines
Wed 31/710:20SYD - SEA
1 stop21h 09mUnited Airlines
Deal found 1/6$1,150
Tue 10/915:20SEA - SYD
2 stops46h 40mUnited Airlines
Mon 16/910:20SYD - SEA
2 stops40h 36mUnited Airlines
Deal found 1/6$1,166
Sat 3/823:59SEA - SYD
2 stops37h 56mUnited Airlines
Tue 13/809:30SYD - SEA
2 stops26h 53mUnited Airlines
Deal found 1/6$1,168
Thu 8/814:25SEA - SYD
2 stops23h 30mUnited Airlines
Sun 25/809:30SYD - SEA
2 stops28h 50mUnited Airlines
Deal found 1/6$1,207
Thu 27/619:30SEA - SYD
1 stop18h 30mUnited Airlines
Wed 10/710:20SYD - SEA
1 stop21h 09mUnited Airlines
Deal found 31/5$1,216
Wed 26/611:43SEA - SYD
1 stop26h 17mUnited Airlines
Sat 20/709:30SYD - SEA
2 stops25h 07mUnited Airlines
Deal found 1/6$1,223

Cheap Air Canada flights from Seattle to Sydney

Explore cheap flight options specifically provided by Air Canada for the route between Seattle and Sydney. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
Some of the best deals we've found on Air Canada flights travelling from Seattle to Sydney. Deals frequently update to provide users with more options.
Sun 17/1105:50SEA - SYD
1 stop32h 30mAir Canada
Sun 24/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 1/6$1,099
Sun 17/1119:05SEA - SYD
1 stop19h 15mAir Canada
Fri 29/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 31/5$1,162
Tue 12/1109:55SEA - SYD
1 stop28h 25mAir Canada
Thu 21/1111:20SYD - SEA
1 stop29h 36mAir Canada
Deal found 1/6$1,423
Sun 17/1119:05SEA - SYD
1 stop19h 15mAir Canada
Sat 30/1111:20SYD - SEA
1 stop29h 36mAir Canada
Deal found 31/5$1,503
Tue 12/1109:55SEA - SYD
1 stop28h 25mAir Canada
Thu 21/1109:00SYD - SEA
2 stops19h 16mAir Canada
Deal found 1/6$1,548
Sun 17/1119:05SEA - SYD
1 stop19h 15mAir Canada
Sat 30/1119:15SYD - SEA
2 stops33h 01mAir Canada
Deal found 31/5$1,557
Fri 15/1115:20SEA - SYD
1 stop23h 00mAir Canada
Sun 1/1211:20SYD - SEA
1 stop16h 56mAir Canada
Deal found 31/5$1,954
Sat 31/819:05SEA - SYD
2 stops22h 35mAir Canada
Sun 8/909:20SYD - SEA
1 stop17h 40mAir Canada
Deal found 1/6$2,086
Sat 8/619:05SEA - SYD
1 stop19h 15mAir Canada
Mon 1/706:00SYD - SEA
2 stops21h 04mAir Canada
Deal found 1/6$3,581

Cheap Seattle to Sydney flights in June & July 2024

Find cheap flight options from Seattle to Sydney specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 537,970 searches. Prices were last updated on 2 June 2024.
The lowest fares we've come across on flights travelling from Seattle to Sydney in June and July 2024. For more flight deals, be sure to check back very soon.
Sun 2/619:42SEA - SYD
1 stop18h 18mUnited Airlines
Sun 16/609:30SYD - SEA
1 stop19h 00mUnited Airlines
Deal found 1/6$1,132
Tue 25/611:43SEA - SYD
1 stop26h 17mUnited Airlines
Mon 12/809:30SYD - SEA
1 stop19h 47mUnited Airlines
Deal found 1/6$1,141
Tue 25/615:30SEA - SYD
1 stop22h 30mUnited Airlines
Mon 12/809:30SYD - SEA
2 stops28h 43mUnited Airlines
Deal found 1/6$1,148
Sun 23/611:30SEA - SYD
1 stop26h 05mDelta
Mon 15/709:25SYD - SEA
1 stop22h 10mDelta
Deal found 1/6$1,201
Sun 2/605:30SEA - SYD
2 stops32h 05mDelta
Wed 5/609:25SYD - SEA
2 stops29h 56mDelta
Deal found 1/6$1,208
Sat 29/620:15SEA - SYD
1 stop41h 20mDelta
Mon 15/709:25SYD - SEA
1 stop23h 28mDelta
Deal found 1/6$1,211
Thu 27/619:30SEA - SYD
1 stop18h 30mUnited Airlines
Wed 10/710:20SYD - SEA
1 stop21h 09mUnited Airlines
Deal found 31/5$1,216
Sat 22/619:59SEA - SYD
1 stop41h 36mDelta
Tue 16/709:25SYD - SEA
2 stops29h 48mDelta
Deal found 1/6$1,217
Wed 26/611:43SEA - SYD
1 stop26h 17mUnited Airlines
Sat 20/709:30SYD - SEA
2 stops25h 07mUnited Airlines
Deal found 1/6$1,223

Seattle to Sydney 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Sydney in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
The lowest fares we've come across on flights travelling from Seattle to Sydney in June and July 2024. For more flight deals, be sure to check back very soon.
Sun 17/1105:50SEA - SYD
1 stop32h 30mAir Canada
Sun 24/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 1/6$1,099
Sun 2/619:42SEA - SYD
1 stop18h 18mUnited Airlines
Sun 16/609:30SYD - SEA
1 stop19h 00mUnited Airlines
Deal found 1/6$1,132
Mon 8/715:35SEA - SYD
1 stop22h 25mUnited Airlines
Tue 16/709:30SYD - SEA
1 stop19h 47mUnited Airlines
Deal found 1/6$1,135
Tue 25/616:25SEA - SYD
1 stop21h 30mUnited Airlines
Mon 12/810:20SYD - SEA
1 stop25h 02mUnited Airlines
Deal found 2/6$1,141
Tue 25/615:30SEA - SYD
1 stop22h 30mUnited Airlines
Mon 12/809:30SYD - SEA
2 stops28h 39mUnited Airlines
Deal found 2/6$1,148
Wed 24/709:25SEA - SYD
1 stop28h 35mUnited Airlines
Wed 31/710:20SYD - SEA
1 stop21h 09mUnited Airlines
Deal found 1/6$1,150
Sun 17/1119:05SEA - SYD
1 stop19h 15mAir Canada
Fri 29/1111:20SYD - SEA
1 stop22h 11mAir Canada
Deal found 31/5$1,162
Tue 10/915:20SEA - SYD
2 stops46h 40mUnited Airlines
Mon 16/910:20SYD - SEA
2 stops40h 36mUnited Airlines
Deal found 1/6$1,166
Sat 3/823:59SEA - SYD
2 stops37h 56mUnited Airlines
Tue 13/809:30SYD - SEA
2 stops26h 53mUnited Airlines
Deal found 1/6$1,168

Seattle to Sydney flights leaving soon

Find last-minute flight options from Seattle to Sydney for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
Have a look at some of the flights available from Seattle to Sydney departing last-minute. It's wise to confirm all flight details are correct before booking.
Tue 11/614:00SEA - SYD
1 stop23h 35mDelta
Thu 20/609:25SYD - SEA
1 stop27h 40mDelta
Deal found 31/5$1,310
Tue 11/609:05SEA - SYD
2 stops28h 30mDelta
Thu 20/609:25SYD - SEA
2 stops31h 34mDelta
Deal found 31/5$1,316
Tue 11/611:43SEA - SYD
1 stop26h 17mUnited Airlines
Tue 2/710:20SYD - SEA
1 stop31h 22mUnited Airlines
Deal found 1/6$1,331
Wed 12/610:30SEA - SYD
2 stops35h 10mMultiple Airlines
Thu 4/716:20SYD - SEA
1 stop22h 25mMultiple Airlines
Deal found 1/6$1,497
Sun 9/617:40SEA - SYD
1 stop19h 55mDelta
Wed 3/709:25SYD - SEA
1 stop30h 00mDelta
Deal found 1/6$1,698
Wed 12/609:45SEA - SYD
1 stop27h 50mDelta
Wed 3/709:25SYD - SEA
1 stop31h 50mDelta
Deal found 1/6$1,701
Sun 9/605:30SEA - SYD
2 stops32h 05mDelta
Wed 3/709:25SYD - SEA
1 stop31h 50mDelta
Deal found 1/6$1,704
Sat 8/619:59SEA - SYD
1 stop41h 36mDelta
Wed 3/709:25SYD - SEA
1 stop30h 00mDelta
Deal found 1/6$1,707
Sun 9/609:45SEA - SYD
1 stop27h 50mDelta
Thu 4/709:25SYD - SEA
1 stop22h 17mDelta
Deal found 1/6$1,784

One-way flights to Sydney from Seattle

Search for one-way flight options from Seattle to Sydney. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
Some of the best available deals we've found on one-way flights from Seattle to Sydney. Those needing a return flight from Seattle to Sydney can use the search form above.
Wed 14/818:29SEA - SYD
1 stop27h 11mMultiple Airlines
Deal found 1/6$564
Mon 1/708:35SEA - SYD
1 stop37h 05mMultiple Airlines
Deal found 1/6$858
Tue 11/620:56SEA - SYD
2 stops32h 24mMultiple Airlines
Deal found 1/6$957
Mon 1/710:30SEA - SYD
2 stops35h 10mMultiple Airlines
Deal found 1/6$981
Thu 6/608:35SEA - SYD
1 stop18h 10mHawaiian Airlines
Deal found 1/6$1,035
Wed 5/608:35SEA - SYD
1 stop18h 10mHawaiian Airlines
Deal found 31/5$1,046
Tue 13/801:10SEA - SYD
2 stops37h 10mMultiple Airlines
Deal found 1/6$1,079
Wed 5/610:30SEA - SYD
2 stops40h 15mHawaiian Airlines
Deal found 31/5$1,160
Wed 14/818:45SEA - SYD
2 stops24h 00mFiji Airways
Deal found 1/6$1,162

Find flights from Seattle to Sydney within your budget

Customise your flight search to find flights from Seattle to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,099 - $1,835

Route

Depart

Return

Price

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 17/11

1 stop32h 30m

Sydney Kingsford Smith

Sun 24/11

1 stop22h 11m

$1,099

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 8/7

1 stop22h 25m

Sydney Kingsford Smith

Tue 16/7

1 stop19h 47m

$1,135

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 1/9

1 stop21h 12m

Sydney Kingsford Smith

Tue 17/9

2 stops29h 29m

$1,141

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 17/11

1 stop19h 15m

Sydney Kingsford Smith

Fri 29/11

1 stop22h 11m

$1,162

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 6/7

1 stop41h 36m

Sydney Kingsford Smith

Sun 21/7

1 stop29h 58m

$1,195

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 8/7

1 stop27h 11m

Sydney Kingsford Smith

Mon 15/7

2 stops33h 57m

$1,450

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 17/11

1 stop40h 10m

Sydney Kingsford Smith

Sun 1/12

1 stop25h 40m

$1,453

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 7/9

1 stop19h 05m

Sydney Kingsford Smith

Thu 19/9

1 stop17h 30m

$1,727

Seattle/Tacoma IntlSydney Kingsford Smith

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 13/11

2 stops29h 35m

Sydney Kingsford Smith

Wed 27/11

2 stops25h 01m

$1,835

Flights are sorted by cheapest first

Deals found on 1/6

How far ahead should I book a flight from Seattle to Sydney?

Use this chart to determine the optimal time to book a return flight from Seattle to Sydney. Price data was last updated on 24 May 2024.
The price you pay for your flight from Seattle to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Seattle to Sydney?

Use this chart to determine the cheapest time to fly return from Seattle to Sydney. Price data was last updated on 26 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Seattle to Sydney flight should consider departing on Friday mornings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Seattle with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average temperature and rainfall totals by month.

SYD

Temperature

11 - 22 °C

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 2 June 2024.
To help decide which airline to fly from Seattle to Sydney, see what other customers have to say about United Airlines, Air Canada and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.8
Very Good
74 reviews
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.5
Very Good
914 reviews
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

China Airlines
8.3
Very Good
894 reviews
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.2
Very Good
1,423 reviews
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Delta
8.0
Very Good
10,410 reviews
Air Tahiti Nui
8.8
Very Good
74 reviews
Check prices

Boarding

8.5

Food

8.0

Entertainment

7.4

Overall

8.8

Crew

9.0

Comfort

8.2

Reviews

1 / 2

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Seattle to Sydney for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Seattle to Sydney for under $1,100. The cheapest flight booked recently is on Air Canada for just $1,099, but on average you can expect to pay $1,186.

  • Are there last-minute flights available from Seattle to Sydney for under $1,400?

    There are currently 20+ open flights from Seattle to Sydney within the next 7 days for less than $1,400.

  • What are the cheapest airlines flying from Seattle to Sydney round-trip?

    Flying on Air Canada is currently your cheapest option to Sydney, with prices starting at $1,099. Additional round-trip tickets that might be worth considering are offered by United Airlines and Delta, with the lowest prices starting at $1,135 and $1,195, respectively. Users have found that Air Canada is 38% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Seattle to Sydney one-way?

    The cheapet airlines for a one-way flight from Seattle to Sydney are Hawaiian Airlines ($1,035), Fiji Airways ($1,162), and Singapore Airlines ($1,533).

  • What does SEA to SYD mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Sydney Kingsford Smith Airport (SYD). Codes like Sydney Kingsford Smith Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Seattle to Sydney that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Sydney flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Seattle to Sydney with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Sydney flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Seattle to Sydney that include hotel bookings?

    Yes. In addition to deals on Seattle to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Sydney.

  • Can I find deals for business class flights from Seattle to Sydney?

    Yes. Cheapflights offers flight deals from Seattle to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Seattle to Sydney that allow pets onboard?

    Many airlines flying from Seattle to Sydney offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Seattle to Sydney?

    Yes, you can often find last-minute deals on Seattle to Sydney flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Seattle to Sydney flight deals updated?

    The Seattle to Sydney flight deals you see on this page were last updated on 2/6.

  • What is the cheapest month to book a flight from Seattle to Sydney?

    Currently, August is the cheapest month in which you can book a flight from Seattle to Sydney (average of $125). Flying from Seattle to Sydney in December is currently the most expensive (average of $167). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Sydney
See prices for flight routes from nearby airports that may be better suited for you.

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Seattle to Coolangatta flights

Top 2 airlines flying from Seattle to Sydney

Discover the top 2 airlines that operate flights from Seattle to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 537,970 searches. Data last updated 2 June 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,202Average$1,650FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,277Average$1,678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
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Search flights from Seattle to Sydney by cabin class

Find flights from Seattle to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy class

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Seattle to Sydney?

Deals for Seattle to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Seattle to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Seattle to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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