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Cheap flights from Sydney to Seattle from $754

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SEA
21 Mar — 28 Mar1
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 19 February 2026.

Wed 18/314:00
SYD
-
SEA
2 stops26h 42m
Multiple Airlines
Tue 31/317:59
SEA
-
SYD
2 stops34h 26m
Multiple Airlines
Deal found 19/2$1,111
Mon 16/314:00
SYD
-
SEA
2 stops26h 43m
Multiple Airlines
Tue 31/309:08
SEA
-
SYD
2 stops33h 42m
Multiple Airlines
Deal found 16/2$1,122
Tue 17/314:00
SYD
-
SEA
2 stops22h 57m
Multiple Airlines
Wed 1/417:59
SEA
-
SYD
2 stops24h 51m
Multiple Airlines
Deal found 17/2$1,169
Mon 7/909:20
SYD
-
SEA
1 stop16h 57m
Air Canada
Fri 2/1015:00
SEA
-
SYD
1 stop23h 20m
Air Canada
Deal found 16/2$1,213
Tue 1/909:20
SYD
-
SEA
1 stop26h 12m
Air Canada
Tue 22/905:40
SEA
-
SYD
1 stop32h 40m
Air Canada
Deal found 19/2$1,220
Tue 1/909:20
SYD
-
SEA
1 stop16h 57m
Air Canada
Thu 1/1019:20
SEA
-
SYD
1 stop19h 00m
Air Canada
Deal found 18/2$1,236
Tue 17/310:20
SYD
-
SEA
1 stop30h 37m
Air Canada
Wed 1/415:40
SEA
-
SYD
1 stop22h 40m
Air Canada
Deal found 17/2$1,239
Mon 17/809:20
SYD
-
SEA
1 stop16h 57m
Air Canada
Wed 2/905:40
SEA
-
SYD
1 stop32h 40m
Air Canada
Deal found 19/2$1,246
Tue 28/409:20
SYD
-
SEA
1 stop17h 15m
Air Canada
Wed 20/515:00
SEA
-
SYD
1 stop23h 20m
Air Canada
Deal found 17/2$1,248

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 19 February 2026.

Round-trip from

$1,111

One-way from

$754

Popular in

July

Cheapest in

August

Average price

$1,418
18/3-31/3
  • 18/3-31/3
  • 4 total stops
  • 61h 08m total
  • Sydney to Seattle
Search Deals
25/2
  • 25/2
  • 2 total stops
  • 31h 56m total
  • Sydney to Seattle
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($90 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($60 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
Use the filters below to find and compare flights from Sydney to Seattle that are best for you.

Fly from

Sydney

Fly to

Seattle

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 16/3

17:45-18:53

1 stop19h 08m

Seattle/Tacoma Intl

Tue 31/3

15:00-08:05

2 stops23h 05m

$1,291

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 13/7

09:15-00:01

2 stops31h 46m

Seattle/Tacoma Intl

Tue 28/7

09:40-06:50

2 stops28h 10m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/6

09:30-17:59

2 stops25h 29m

Seattle/Tacoma Intl

Sun 28/6

17:00-07:00

1 stop21h 00m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/6

10:20-20:53

1 stop27h 33m

Seattle/Tacoma Intl

Sun 28/6

17:00-07:00

1 stop21h 00m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 13/7

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Tue 28/7

17:00-07:00

1 stop21h 00m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 2/7

09:30-23:09

2 stops30h 39m

Seattle/Tacoma Intl

Sun 19/7

06:30-07:00

1 stop31h 30m

$1,304

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 25/2

06:20-19:16

2 stops31h 56m

$754

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 28/2

21:55-18:57

2 stops40h 02m

$790

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/4

13:20-19:46

2 stops23h 26m

$851

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 29/4

13:20-19:46

2 stops23h 26m

$851

Flights are sorted by cheapest return flights first.

Deals found on 16/2

Showing 1-10 of 16 results
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 18 February 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 $1,008). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,309). 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.

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 19 February 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
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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
8,212 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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
2,833 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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
993 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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
9,322 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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
10,733 reviews
Delta
7.9
Good
8,212 reviews
Check prices

Crew

8.5

Overall

7.9

Comfort

7.9

Boarding

8.1

Food

7.2

Entertainment

7.8

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 American Airlines, Delta, and United Airlines fly from Sydney to Seattle in about 19h 08m. The time it takes to get you to your destination can typically vary by up to 12h 38m. 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 $687, 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 Virgin Australia and Air Canada - these airlines can fly you to your destination from $1,064 and $1,082, 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 $561. Users have also found prices from $608 and $717 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 $1,008). Flying from Sydney to Seattle in January is currently the most expensive (average of $1,309). 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

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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 19 February 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$687Average$1,967FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Virgin AustraliaCheapest$1,064Average$2,038FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Air CanadaCheapest$1,082Average$1,433FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$1,108Average$1,722FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapest$1,124Average$1,404FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$1,159Average$1,754FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Qantas AirwaysCheapest$1,172Average$1,372FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,197Average$1,271FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Philippine AirlinesCheapest$1,209Average$1,468FlexibilityNo cancel feeOn-time60%
Search Philippine Airlines flights
Asiana AirlinesCheapest$1,373Average$1,512FlexibilityNo 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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