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Cheap flights from Seattle to Adelaide from $2,178

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. 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 — ADL
14 May — 21 May1
1 adult
Tue 14/5
Tue 21/5

Cheap flight deals from Seattle to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Adelaide (ADL). 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 9 May 2024.

Popular in

July

Cheapest in

March

Round-trip from

$261
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 27% potential price drop
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From Seattle/Tacoma Intl to Adelaide
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What is the cheapest month to fly from Seattle to Adelaide?

The best pricing can be found in the month of March. Prices to Adelaide from Seattle average $2,699. You can even find prices in March for less than $2,699, as users have found deals to Adelaide from as low as $1,659. The month of July appears to be one of the more expensive times to travel to Adelaide from Seattle. Flying in the targeted month can save you up to 46%.

When is the cheapest time to fly from Seattle to Adelaide (SEA - ADL)?

When flying from Seattle to Adelaide, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Air Canada flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Air Canada for the route between Seattle and Adelaide. 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 538,793 searches. Data last updated 9 May 2024.
Find some of the cheapest Air Canada flights travelling from Seattle to Adelaide. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 14/813:10SEA - ADL
2 stops32h 15mAir Canada
Sun 18/820:00ADL - SEA
2 stops30h 30mAir Canada
Deal found 8/5$2,767
Wed 14/819:05SEA - ADL
2 stops26h 20mAir Canada
Sun 18/819:00ADL - SEA
2 stops34h 00mAir Canada
Deal found 7/5$2,770

Cheap Air New Zealand flights from Seattle to Adelaide

Explore cheap flight options specifically provided by Air New Zealand for the route between Seattle and Adelaide. 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 538,793 searches. Data last updated 9 May 2024.
Have a look at some of the cheapest available Air New Zealand flights departing from Seattle and landing in Adelaide. Deals are refreshing constantly so come back soon for more options.
Tue 10/914:08SEA - ADL
3 stops29h 52mAir New Zealand
Thu 19/919:10ADL - SEA
2 stops32h 54mAir New Zealand
Deal found 9/5$2,516
Sat 3/806:15SEA - ADL
3 stops37h 45mAir New Zealand
Sat 10/818:55ADL - SEA
2 stops33h 52mAir New Zealand
Deal found 9/5$2,593
Wed 31/716:30SEA - ADL
2 stops30h 05mAir New Zealand
Mon 5/811:55ADL - SEA
2 stops22h 57mAir New Zealand
Deal found 9/5$2,971
Thu 25/712:55SEA - ADL
3 stops30h 50mAir New Zealand
Sat 10/818:55ADL - SEA
2 stops33h 52mAir New Zealand
Deal found 8/5$3,080

Seattle to Adelaide 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Adelaide in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 538,793 searches. Data last updated 9 May 2024.
These are some of the most attractive deals on flights from Seattle to Adelaide in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 10/917:42SEA - ADL
2 stops25h 23mMultiple Airlines
Thu 19/912:35ADL - SEA
2 stops23h 40mMultiple Airlines
Deal found 9/5$2,178
Wed 14/819:05SEA - ADL
2 stops26h 20mAir Canada
Sun 18/819:00ADL - SEA
2 stops36h 04mAir Canada
Deal found 9/5$2,303
Sat 3/819:05SEA - ADL
2 stops25h 20mMultiple Airlines
Sat 10/817:15ADL - SEA
2 stops33h 15mMultiple Airlines
Deal found 9/5$2,360
Mon 1/721:11SEA - ADL
2 stops45h 54mMultiple Airlines
Thu 1/812:35ADL - SEA
2 stops22h 50mMultiple Airlines
Deal found 9/5$2,361
Tue 10/914:08SEA - ADL
3 stops29h 52mAir New Zealand
Thu 19/919:10ADL - SEA
2 stops32h 54mAir New Zealand
Deal found 9/5$2,516
Sat 3/806:15SEA - ADL
3 stops37h 45mAir New Zealand
Sat 10/818:55ADL - SEA
2 stops33h 52mAir New Zealand
Deal found 9/5$2,593
Mon 1/718:29SEA - ADL
3 stops48h 36mMultiple Airlines
Thu 1/812:35ADL - SEA
2 stops22h 50mMultiple Airlines
Deal found 9/5$2,699
Mon 1/718:29SEA - ADL
3 stops48h 36mFiji Airways
Thu 1/812:35ADL - SEA
3 stops43h 48mFiji Airways
Deal found 9/5$2,748
Wed 14/813:10SEA - ADL
2 stops32h 15mAir Canada
Sun 18/820:00ADL - SEA
2 stops30h 30mAir Canada
Deal found 8/5$2,767

One-way flights to Adelaide from Seattle

Search for one-way flight options from Seattle to Adelaide. 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 538,793 searches. Data last updated 9 May 2024.
Users travelling one-way from Seattle to Adelaide can select one of these great deals. For those needing a return trip from Seattle, there is a search form available above.
Tue 29/1007:40SEA - ADL
2 stops43h 00mMultiple Airlines
Deal found 8/5$2,864
Tue 29/1007:40SEA - ADL
3 stops55h 45mMultiple Airlines
Deal found 8/5$3,066
Mon 28/1001:10SEA - ADL
3 stops51h 25mMultiple Airlines
Deal found 8/5$6,681
Mon 28/1001:10SEA - ADL
2 stops37h 20mMultiple Airlines
Deal found 8/5$7,361
Tue 29/1009:45SEA - ADL
1 stop29h 50mSingapore Airlines
Deal found 8/5$8,466

Find flights from Seattle to Adelaide within your budget

Customise your flight search to find flights from Seattle to Adelaide 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 538,793 searches. Data last updated 9 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$2,178 - $4,225

Route

Depart

Return

Price

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 10/9

2 stops25h 23m

Adelaide

Thu 19/9

2 stops23h 40m

$2,178

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 1/7

2 stops45h 34m

Adelaide

Thu 1/8

2 stops22h 50m

$2,360

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 10/9

3 stops29h 52m

Adelaide

Thu 19/9

2 stops32h 54m

$2,516

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 3/8

3 stops37h 45m

Adelaide

Sat 10/8

2 stops33h 52m

$2,593

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 1/7

3 stops48h 36m

Adelaide

Thu 1/8

3 stops43h 48m

$2,748

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 14/8

2 stops32h 15m

Adelaide

Sun 18/8

2 stops30h 30m

$2,767

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 10/9

1 stop28h 40m

Adelaide

Thu 19/9

2 stops40h 14m

$3,028

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 25/7

2 stops24h 05m

Adelaide

Sat 10/8

2 stops23h 59m

$3,466

Seattle/Tacoma IntlAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 3/8

1 stop30h 30m

Adelaide

Sat 10/8

2 stops41h 20m

$4,225

Flights are sorted by cheapest first

Deals found on 9/5

When is the cheapest time to fly from Seattle to Adelaide?

Use this chart to determine the cheapest time to fly return from Seattle to Adelaide. Price data was last updated on 5 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their Seattle to Adelaide flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Adelaide by month

Plan your trip from Seattle to Adelaide by taking into account the cheapest months to travel. The average price of a one-way flight from Seattle to Adelaide is currently $5,688 while a return flight costs $2,876. Price data was last updated on 5 May 2024.

Currently, February is the cheapest month in which you can book a flight from Seattle to Adelaide (average of $172). Flying from Seattle to Adelaide in October is currently the most expensive (average of $208). 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.

January

$302

February

$261

March

$276

April

$308

May

$276

June

$293

July

$306

August

$284

September

$284

October

$315

November

$294

December

$297

Temperature and rainfall in Adelaide by month

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

ADL

Temperature

11 - 21 °C

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated 9 May 2024.
Peruse reviews from past customers who have flown with Air Canada, Air New Zealand and Singapore Airlines from Seattle to Adelaide to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Air New Zealand
8.3
Very Good
632 reviews
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Singapore Airlines
8.3
Very Good
1,454 reviews
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Fiji Airways
8.0
Very Good
249 reviews
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Qatar Airways
7.7
Good
4,424 reviews
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Qantas Airways
7.7
Good
975 reviews
Air New Zealand
8.3
Very Good
632 reviews
Check prices

Crew

8.8

Food

7.6

Boarding

8.4

Comfort

8.1

Overall

8.3

Entertainment

7.9

Reviews

1 / 10

The crew, food, and entertainment were amazing. The leg room/distance from the row in front of you seems smaller than other airlines which is very uncomfortable.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Adelaide. 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 Adelaide for under $2,200 on Cheapflights?

    Yes, there are multiple flights from Seattle to Adelaide for under $2,200. The cheapest flight booked recently is on Multiple Airlines for just $2,178, but on average you can expect to pay $3,112.

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

    Our cheapest airline available from Seattle to Adelaide is Air New Zealand. Our recent data shows that you can find tickets from as low as $2,516 on this airline. Additional options worth looking into are Fiji Airways and Air Canada, starting at $2,748 and $2,767 round-trip. Air New Zealand is 6% cheaper than the average price of flights available within the next 90 days to this destination.

  • What does SEA to ADL mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Adelaide Airport flight would often be abbreviated as a SEA to ADL flight.

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

    The amount of baggage you can bring on your Seattle to Adelaide 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 Adelaide with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Adelaide 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 Adelaide that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Adelaide 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 Adelaide that allow pets onboard?

    Many airlines flying from Seattle to Adelaide 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 Adelaide?

    Yes, you can often find last-minute deals on Seattle to Adelaide 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 Adelaide flight deals updated?

    The Seattle to Adelaide flight deals you see on this page were last updated on 9/5.

See more FAQs

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Explore flights to Adelaide departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 May 2024.

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Search flights from Seattle to Adelaide by cabin class

Find flights from Seattle to Adelaide, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

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 Adelaide?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Adelaide from Seattle today with Cheapflights!

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Seattle to Adelaide.

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

Yes, we can. To see specific flights from Seattle to Adelaide with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Seattle to Adelaide 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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