Which stopover airport has the shortest travel time from Sydney to Seattle?

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 16h 50m.

Which stopover airport has the shortest connection time from Sydney to Seattle?

Honolulu (HNL) has the shortest average stopover time for this route: 1h 48m.

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Delta and United Airlines are the most popular carriers operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Vancouver (YVR) was the most common stop: 59% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from Sydney to Seattle?

Flights via Nadi (NAN) offer the lowest average return price of $999.

Which airlines fly to Seattle?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from Sydney according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.

How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of November 2026.

How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$682 Cheap Flights from Sydney to Seattle in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Seattle

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13:35 - 16:36SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 01m2 stops Los Angeles Salt Lake City

11:00 - 06:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 50m2 stops Salt Lake City Los Angeles

$1,321Delta

Thu, 21 Jan - Sun, 31 Jan

10:40 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

42h 25m1 stop Los Angeles

17:37 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 53m1 stop Los Angeles

$1,321Delta

Thu, 26 Nov - Mon, 7 Dec

11:20 - 11:14SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 54m1 stop Los Angeles

07:00 - 09:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 05m1 stop Los Angeles

$1,321United Airlines

Wed, 25 Nov - Tue, 12 Jan

11:20 - 11:34SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 14m1 stop Los Angeles

08:30 - 09:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 35m2 stops Denver Intl Los Angeles

$1,321United Airlines

Thu, 26 Nov - Tue, 12 Jan

11:10 - 14:33SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

46h 23m1 stop Los Angeles

16:42 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 18m1 stop Los Angeles

$1,353American Airlines

Wed, 25 Nov - Sun, 6 Dec

11:10 - 13:08SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

44h 58m1 stop Los Angeles

16:42 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 18m1 stop Los Angeles

$1,353American Airlines

Thu, 26 Nov - Sun, 6 Dec

11:30 - 18:45SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 15m1 stop Manila Ninoy Aquino Intl

22:30 - 09:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Manila Ninoy Aquino Intl

$1,421Philippine Airlines

Thu, 25 Feb - Wed, 17 Mar

21:40 - 23:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 19m2 stops Honolulu Kahului

07:00 - 19:45SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

$1,479Multiple Airlines

Fri, 13 Nov - Mon, 16 Nov

11:15 - 11:01SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 46m1 stop Los Angeles

16:49 - 10:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 31m2 stops Los Angeles Brisbane

$1,618Qantas Airways

Tue, 1 Dec - Mon, 8 Feb

11:15 - 11:01SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 46m1 stop Los Angeles

17:42 - 12:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 43m2 stops Los Angeles Melbourne

$1,661Qantas Airways

Tue, 1 Dec - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:10 - 23:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 32m2 stops Los Angeles Dallas/Fort Worth

07:21 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 39m1 stop Los Angeles

$1,300British Airways

Mon, 9 Nov - Sun, 22 Nov

11:10 - 21:20SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 10m1 stop Los Angeles

07:21 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 39m1 stop Los Angeles

$1,307British Airways

Mon, 9 Nov - Sun, 22 Nov

11:10 - 21:03SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 53m2 stops Los Angeles San Francisco

13:38 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 22m1 stop Los Angeles

$1,318American Airlines

Mon, 9 Nov - Tue, 24 Nov

11:20 - 21:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 30m1 stop Los Angeles

16:39 - 09:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 26m1 stop Los Angeles

$1,320Lufthansa

Thu, 5 Nov - Wed, 18 Nov

10:40 - 23:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 19m2 stops Los Angeles Salt Lake City

05:35 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$1,323Delta

Mon, 9 Nov - Sun, 22 Nov

11:50 - 12:20SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 30m1 stop San Francisco

15:35 - 09:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 45m1 stop San Francisco

$1,325United Airlines

Mon, 9 Nov - Tue, 24 Nov

10:40 - 22:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 25m2 stops Los Angeles Salt Lake City

15:13 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 17m1 stop Los Angeles

$1,325Delta

Thu, 5 Nov - Wed, 18 Nov

10:40 - 12:40SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 00m2 stops Los Angeles Salt Lake City

05:35 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$1,325Delta

Mon, 9 Nov - Tue, 24 Nov

10:40 - 18:52SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 12m2 stops Los Angeles Salt Lake City

05:35 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Salt Lake City Los Angeles

$1,325Delta

Thu, 5 Nov - Wed, 18 Nov

11:30 - 18:45SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 15m1 stop Manila Ninoy Aquino Intl

21:30 - 09:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

41h 20m1 stop Manila Ninoy Aquino Intl

$1,357Philippine Airlines

Thu, 5 Nov - Mon, 9 Nov

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British Airways flights from Sydney to Seattle

Our best British Airways deals on Sydney to Seattle flight tickets

British Airways

9 Nov

SYD11:10Sydney Kingsford Smith

31h 32m

2 stops

SEA23:42Seattle/Tacoma Intl

22 Nov

SEA07:21Seattle/Tacoma Intl

30h 39m

1 stop

SYD09:00Sydney Kingsford Smith

$1,300

British Airways

9 Nov

SYD11:10Sydney Kingsford Smith

29h 10m

1 stop

SEA21:20Seattle/Tacoma Intl

22 Nov

SEA07:21Seattle/Tacoma Intl

30h 39m

1 stop

SYD09:00Sydney Kingsford Smith

$1,307

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

25 Nov

SYD10:40Sydney Kingsford Smith

42h 25m

1 stop

SEA10:05Seattle/Tacoma Intl

7 Dec

SEA17:37Seattle/Tacoma Intl

19h 53m

1 stop

SYD08:30Sydney Kingsford Smith

$1,321

Delta

9 Nov

SYD10:40Sydney Kingsford Smith

32h 19m

2 stops

SEA23:59Seattle/Tacoma Intl

22 Nov

SEA05:35Seattle/Tacoma Intl

31h 55m

2 stops

SYD08:30Sydney Kingsford Smith

$1,323

Delta

20 Jan

SYD10:40Sydney Kingsford Smith

24h 56m

2 stops

SEA16:36Seattle/Tacoma Intl

31 Jan

SEA11:00Seattle/Tacoma Intl

26h 30m

2 stops

SYD08:30Sydney Kingsford Smith

$1,327

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 21/1

13:35-16:36

2 stops22h 01m

Seattle/Tacoma Intl

Sun 31/1

11:00-06:50

2 stops24h 50m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 26/11

10:40-10:05

1 stop42h 25m

Seattle/Tacoma Intl

Mon 7/12

17:37-08:30

1 stop19h 53m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 25/11

11:20-11:14

1 stop18h 54m

Seattle/Tacoma Intl

Tue 12/1

07:00-09:05

1 stop31h 05m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 26/11

11:20-11:34

1 stop19h 14m

Seattle/Tacoma Intl

Tue 12/1

08:30-09:05

2 stops29h 35m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 25/11

11:10-14:33

1 stop46h 23m

Seattle/Tacoma Intl

Sun 6/12

16:42-09:00

1 stop21h 18m

$1,353

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 26/11

11:10-13:08

1 stop44h 58m

Seattle/Tacoma Intl

Sun 6/12

16:42-09:00

1 stop21h 18m

$1,353

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 25/2

11:30-18:45

1 stop26h 15m

Seattle/Tacoma Intl

Wed 17/3

22:30-09:50

1 stop41h 20m

$1,421

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 13/11

21:40-23:59

2 stops21h 19m

Seattle/Tacoma Intl

Mon 16/11

07:00-19:45

1 stop17h 45m

$1,479

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 1/12

11:15-11:01

1 stop18h 46m

Seattle/Tacoma Intl

Mon 8/2

16:49-10:20

2 stops22h 31m

$1,618

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 1/12

11:15-11:01

1 stop18h 46m

Seattle/Tacoma Intl

Tue 8/12

17:42-12:25

2 stops23h 43m

$1,661

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Sydney to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

What is the typical price of a round-trip flight between Sydney and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,292 to $1,472.
The lowest price recently found on this route was $1,321.

What is the cheapest month to fly to Seattle?

The month of November is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,340. If you are unable to visit Seattle during the month of November, then departing from Sydney during the month August is also very affordable. Most momondo users find prices during this month for around $1,436.

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

You are more likely to see cheaper flights to Seattle from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,597 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Sydney for as low as $1,437 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 17% on your flight if you consider stops on a Sydney to Seattle flight.

How have Sydney to Seattle flight prices changed over time?

As of November 2026, prices for Sydney to Seattle flights are approximately 4% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Seattle

Best price found	$682
Fastest flight time	19h 24m
Direct flights	None

The best one-way flight to Seattle from Sydney in the past 72 hours is $682. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,321.

The fastest flight from Sydney to Seattle takes 19h 24m

There are no direct flights from Sydney to Seattle. There are no popular flight routes from Sydney to Seattle.

Search flight deals

Frequently asked questions about flying from Sydney to Seattle

How far is Sydney Kingsford Smith to Seattle/Tacoma Intl by plane?
There are 12462.2 km between Sydney Kingsford Smith and Seattle/Tacoma Intl. A reasonable flight in good conditions will take 19h 24m.
When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport is 7 as of November 2026.
How old do you have to be to fly from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Sydney to Seattle?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Sydney to Seattle is Air Canada (43% of total bookings). The next most popular airlines are United Airlines (27%), Qantas Airways (9%), and American Airlines (8%).

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo

Airline	Rating	Free cancellation	Price
Virgin Australia	PriceFrom $928	Free cancellation	Rating 7.6 484 reviews	Search Virgin Australia flights
Delta	PriceFrom $987	Free cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $1,062	Free cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,193	Free cancellation	Rating 7.1 11,857 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,263	Free cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,283	Free cancellation	Rating 7.5 1,122 reviews	Search Qantas Airways flights
Hawaiian Airlines	PriceFrom $1,557	Free cancellation	Rating 7.8 2,803 reviews	Search Hawaiian Airlines flights

SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Seattle?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Seattle. momondo saves you time and could save you money on your trip.

Can I find flights from Sydney to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Sydney which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sydney to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Seattle.

I’m not ready to book a flight from Sydney to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Sydney and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Airports servicing Washington

Spokane Airport

Cheap flights from Sydney to Seattle from $682

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Seattle departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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British Airways flights from Sydney to Seattle

Our best British Airways deals on Sydney to Seattle flight tickets

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Sydney to Seattle that are best for you.

See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney to Seattle

What is the typical price of a round-trip flight between Sydney and Seattle?

What is the cheapest month to fly to Seattle?

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

Can stopping save me money on Sydney to Seattle flights?

How have Sydney to Seattle flight prices changed over time?

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Which airport is the most popular for stopovers for flights between Sydney and Seattle?

Which stopover airport offers the lowest fares from Sydney to Seattle?

Which stopover airport has the shortest travel time from Sydney to Seattle?

Which stopover airport has the shortest connection time from Sydney to Seattle?

When to book flights from Sydney to Seattle

Cheap Sydney to Seattle (SYD to SEA) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Sydney to Seattle

Best airlines flying from Sydney to Seattle

Compare and see reviews for airlines that fly from Sydney to Seattle with momondo

Travelling to a place near Seattle?

Why use momondo?

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Washington

Fly your favourite airline to Seattle

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Seattle

List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Sydney

According to popular flight searches on momondo this year

Complete your trip to Seattle

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According to popular flight searches on momondo this year