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Cheap flights from Sydney to Seattle from $723

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
27 Apr — 4 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Sydney to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Sydney to Seattle
Explore the most affordable flight options available from Sydney to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2026.

Wed 4/1106:00
SYD
-
SEA
2 stops31h 56m
Fiji Airways
Wed 18/1117:59
SEA
-
SYD
2 stops23h 36m
Fiji Airways
Deal found 28/3$1,378
Fri 1/513:15
SYD
-
SEA
2 stops22h 25m
Multiple Airlines
Mon 18/518:14
SEA
-
SYD
2 stops24h 51m
Multiple Airlines
Deal found 23/3$1,381
Fri 24/413:15
SYD
-
SEA
2 stops23h 38m
Multiple Airlines
Sat 9/517:06
SEA
-
SYD
2 stops25h 44m
Multiple Airlines
Deal found 27/3$1,384
Mon 1/613:15
SYD
-
SEA
2 stops23h 01m
Multiple Airlines
Mon 8/617:00
SEA
-
SYD
2 stops26h 05m
Multiple Airlines
Deal found 25/3$1,394
Sat 9/513:15
SYD
-
SEA
2 stops24h 35m
Multiple Airlines
Sat 16/517:31
SEA
-
SYD
2 stops35h 39m
Multiple Airlines
Deal found 24/3$1,402
Thu 4/613:15
SYD
-
SEA
2 stops24h 52m
Multiple Airlines
Sat 4/718:07
SEA
-
SYD
2 stops24h 43m
Multiple Airlines
Deal found 24/3$1,405
Tue 21/417:50
SYD
-
SEA
1 stop22h 08m
Qantas Airways
Wed 6/517:06
SEA
-
SYD
1 stop20h 59m
Qantas Airways
Deal found 24/3$1,422
Thu 16/420:15
SYD
-
SEA
2 stops31h 26m
American Airlines
Tue 28/410:00
SEA
-
SYD
1 stop28h 05m
American Airlines
Deal found 24/3$1,426
Fri 8/506:00
SYD
-
SEA
2 stops29h 40m
Multiple Airlines
Fri 15/507:00
SEA
-
SYD
2 stops35h 50m
Multiple Airlines
Deal found 24/3$1,463
Wed 29/413:20
SYD
-
SEA
2 stops22h 20m
Multiple Airlines
Wed 3/616:28
SEA
-
SYD
2 stops26h 22m
Multiple Airlines
Deal found 25/3$1,471
Wed 3/613:20
SYD
-
SEA
2 stops21h 56m
Multiple Airlines
Sun 28/607:15
SEA
-
SYD
2 stops35h 35m
Multiple Airlines
Deal found 28/3$1,473
Thu 7/517:50
SYD
-
SEA
1 stop19h 03m
Qantas Airways
Thu 14/518:40
SEA
-
SYD
1 stop19h 25m
Qantas Airways
Deal found 24/3$1,474

Find flight deals from Sydney to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Seattle (SEA). 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 28 March 2026.

Round-trip from

$1,384

One-way from

$792

Popular in

July

Cheapest in

August

Average price

$1,486
24/4-9/5
  • 24/4-9/5
  • 4 total stops
  • 49h 22m total
  • Sydney to Seattle
Search Deals
3/9
  • 3/9
  • 3 total stops
  • 27h 06m total
  • Sydney to Seattle
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($70 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to Seattle 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 647,157 searches. Data last updated 28 March 2026.
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/6

10:20-16:20

1 stop23h 00m

Seattle/Tacoma Intl

Sun 28/6

06:00-07:00

1 stop32h 00m

$1,583

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/4

09:30-11:37

1 stop19h 07m

Seattle/Tacoma Intl

Thu 7/5

08:38-07:00

3 stops29h 22m

$1,650

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 10/9

21:00-14:55

1 stop34h 55m

Seattle/Tacoma Intl

Tue 6/10

00:55-20:05

1 stop25h 10m

$1,765

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 14/9

21:00-14:55

1 stop34h 55m

Seattle/Tacoma Intl

Fri 9/10

00:55-20:05

1 stop25h 10m

$1,911

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 13/9

21:00-14:55

1 stop34h 55m

Seattle/Tacoma Intl

Thu 8/10

00:55-20:05

1 stop25h 10m

$2,091

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 25/4

09:30-23:27

3 stops30h 57m

Seattle/Tacoma Intl

Sun 10/5

08:38-07:00

3 stops29h 22m

$2,238
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 14/4

20:45-00:59

1 stop21h 14m

Seattle/Tacoma Intl

Mon 27/4

08:00-18:50

1 stop17h 50m

$2,353

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 14/5

21:05-17:15

2 stops37h 10m

Seattle/Tacoma Intl

Mon 18/5

19:10-19:10

2 stops55h 00m

$2,591

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/6

17:10-23:13

3 stops23h 03m

Seattle/Tacoma Intl

Sun 28/6

15:59-07:30

2 stops22h 31m

$2,748

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/6

17:10-23:13

3 stops23h 03m

Seattle/Tacoma Intl

Sun 28/6

15:59-09:45

3 stops24h 46m

$2,928

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Sydney to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Sydney 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.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Seattle

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

Use this chart to determine the optimal time to book a return flight from Sydney to Seattle. Price data was last updated on 13 March 2026.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Sydney to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,035). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,345). 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.

How much does it cost for a return flight from Sydney to Seattle?

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated 28 March 2026.
See what other customers who have flown with Delta,Hawaiian Airlines, andQantas Airways from Sydney to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,357 reviews
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Hawaiian Airlines
7.8
Good
2,837 reviews
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
1,013 reviews
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,507 reviews
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,856 reviews
Delta
7.9
Good
8,357 reviews
Check prices

Food

7.2

Entertainment

7.8

Overall

7.9

Boarding

8.1

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Sydney to Seattle?

    Airlines like United Airlines and Asiana Airlines fly from Sydney to Seattle in about 23h. The time it takes to get you to your destination can typically vary by up to 11h 55m. Airlines will cover a distance of 12463 km. Both multi-stop and direct flights can be found to your destination and back.

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

    Currently priced at $706, Delta will fly you from Sydney to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Virgin Australia - these airlines can fly you to your destination from $1,087 and $1,093, respectively. Users have found that Delta is 54% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $577. Users have also found prices from $624 and $736 on United Airlines and Qantas Airways, respectively.

  • Where are the most common stopover locations when flying from Sydney to Seattle?

    Of the flights from Sydney to Seattle that have stopovers, most of them stop in Vancouver.

  • Where are the least popular stopover locations for Sydney to Seattle flights?

    The least popular stopover on flights from Sydney to Seattle is San Francisco.

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Sydney to Seattle (average of $1,035). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,345). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Ocean Shores
SeaTac

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Fly from Sydney to Seattle on these airlines

Choose from the following airlines for your flight from Sydney to Seattle. Flights are based on user searches made on Cheapflights and were last updated on 28 March 2026.
Air Canada flights from Sydney Kingsford Smith to Seattle/Tacoma Intl
Hawaiian Airlines flights from Sydney Kingsford Smith to Seattle/Tacoma Intl

Top 10 airlines flying from Sydney to Seattle

Discover the top 10 airlines that operate flights from Sydney to Seattle. 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 647,157 searches. Data last updated 28 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$706Average$2,021FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest$1,087Average$1,485FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AustraliaCheapest$1,093Average$2,093FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Alaska AirlinesCheapest$1,138Average$1,769FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,154Average$1,402FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,164Average$1,378FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Hawaiian AirlinesCheapest$1,179Average$1,886FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
American AirlinesCheapest$1,281Average$1,312FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
ANACheapest$1,333Average$1,619FlexibilityNo cancel feeOn-time80%
Search ANA flights
Asiana AirlinesCheapest$1,410Average$1,493FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights

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 Sydney to Seattle?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Sydney to Seattle. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Seattle from Sydney.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Seattle flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on Sydney to Seattle 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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