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

Flights via Nadi (NAN) offer the lowest average return price of $994.

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

Honolulu (HNL) has the shortest average stopover time for this route: 1h 45m.

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

Vancouver (YVR) was the most common stop: 58% of momondo users choosing one-stop flights on this route connected there.

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 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 52% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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.

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 6 as of September 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.

$772 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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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

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

29h 10m1 stop Los Angeles

16:30 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 30m1 stop Los Angeles

$1,309American Airlines

Mon, 9 Nov - Mon, 16 Nov

11:10 - 22:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 27m1 stop Los Angeles

15:00 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,309American Airlines

Mon, 26 Oct - Tue, 10 Nov

10:40 - 18:41SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

27h 01m2 stops Los Angeles Salt Lake City

07:15 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 15m1 stop Los Angeles

$1,315Delta

Tue, 10 Nov - Tue, 17 Nov

10:40 - 16:51SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 11m1 stop Los Angeles

10:12 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 18m1 stop Los Angeles

$1,315Delta

Tue, 10 Nov - Tue, 17 Nov

18:50 - 22:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 47m1 stop Los Angeles

16:59 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 01m1 stop Los Angeles

$1,400Qantas Airways

Fri, 23 Oct - Sat, 7 Nov

11:10 - 14:12SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Los Angeles

15:59 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 01m1 stop Los Angeles

$1,414Qantas Airways

Sat, 7 Nov - Sat, 14 Nov

10:20 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

19:05 - 16:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Vancouver Intl Brisbane

$1,517Air Canada

Sat, 24 Oct - Sun, 8 Nov

14:00 - 19:28SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 28m2 stops Nadi Los Angeles

16:59 - 12:35SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 36m2 stops Los Angeles Nadi

$1,518Multiple Airlines

Mon, 2 Nov - Sun, 8 Nov

21:15 - 09:27SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 12m2 stops Brisbane Vancouver Intl

19:05 - 16:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Vancouver Intl Brisbane

$1,540Multiple Airlines

Sat, 24 Oct - Sun, 8 Nov

11:20 - 14:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 17m1 stop Vancouver Intl

19:05 - 14:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 35m2 stops Vancouver Intl Brisbane

$1,551Air Canada

Mon, 2 Nov - Sun, 8 Nov

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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

American Airlines

26 Oct

SYD11:10Sydney Kingsford Smith

29h 27m

1 stop

SEA22:37Seattle/Tacoma Intl

10 Nov

SEA07:10Seattle/Tacoma Intl

30h 50m

1 stop

SYD09:00Sydney Kingsford Smith

$1,309

American Airlines

2 Nov

SYD11:10Sydney Kingsford Smith

23h 50m

1 stop

SEA16:00Seattle/Tacoma Intl

10 Nov

SEA16:24Seattle/Tacoma Intl

21h 36m

1 stop

SYD09:00Sydney Kingsford Smith

$1,318

American Airlines

13 Oct

SYD10:10Sydney Kingsford Smith

30h 27m

1 stop

SEA22:37Seattle/Tacoma Intl

30 Oct

SEA15:10Seattle/Tacoma Intl

23h 50m

2 stops

SYD09:00Sydney Kingsford Smith

$1,379

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

12 Oct

SYD10:15Sydney Kingsford Smith

22h 35m

2 stops

SEA14:50Seattle/Tacoma Intl

25 Oct

SEA14:30Seattle/Tacoma Intl

22h 50m

1 stop

SYD07:20Sydney Kingsford Smith

$1,315

Delta

12 Oct

SYD10:15Sydney Kingsford Smith

24h 30m

1 stop

SEA16:45Seattle/Tacoma Intl

25 Oct

SEA17:45Seattle/Tacoma Intl

19h 35m

1 stop

SYD07:20Sydney Kingsford Smith

$1,316

Delta

8 Oct

SYD10:15Sydney Kingsford Smith

28h 12m

1 stop

SEA20:27Seattle/Tacoma Intl

21 Oct

SEA09:45Seattle/Tacoma Intl

28h 05m

1 stop

SYD07:50Sydney Kingsford Smith

$1,322

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 9/11

11:10-21:20

1 stop29h 10m

Seattle/Tacoma Intl

Mon 16/11

16:30-09:00

1 stop21h 30m

$1,309

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 26/10

11:10-22:37

1 stop29h 27m

Seattle/Tacoma Intl

Tue 10/11

15:00-09:00

2 stops23h 00m

$1,309

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/11

10:40-18:41

2 stops27h 01m

Seattle/Tacoma Intl

Tue 17/11

07:15-08:30

1 stop30h 15m

$1,315

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 10/11

10:40-16:51

1 stop25h 11m

Seattle/Tacoma Intl

Tue 17/11

10:12-08:30

1 stop27h 18m

$1,315

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 23/10

18:50-22:37

1 stop21h 47m

Seattle/Tacoma Intl

Sat 7/11

16:59-09:00

1 stop21h 01m

$1,400

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 7/11

11:10-14:12

1 stop22h 02m

Seattle/Tacoma Intl

Sat 14/11

15:59-09:00

1 stop22h 01m

$1,414

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 24/10

10:20-10:05

1 stop17h 45m

Seattle/Tacoma Intl

Sun 8/11

19:05-16:40

2 stops26h 35m

$1,517

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 2/11

14:00-19:28

2 stops24h 28m

Seattle/Tacoma Intl

Sun 8/11

16:59-12:35

2 stops24h 36m

$1,518

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 24/10

21:15-09:27

2 stops30h 12m

Seattle/Tacoma Intl

Sun 8/11

19:05-16:40

2 stops26h 35m

$1,540

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 2/11

11:20-14:37

1 stop22h 17m

Seattle/Tacoma Intl

Sun 8/11

19:05-14:40

2 stops24h 35m

$1,551

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 low for flights on this route.

Typical prices usually range from $1,409 to $1,759.
The lowest price recently found on this route was $1,309.

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,427. If you are unable to visit Seattle during the month of August, then departing from Sydney during the month March is also very affordable. Most momondo users find prices during this month for around $1,434.

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 $1,587 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 $1,467 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 10% 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 September 2026, prices for Sydney to Seattle flights are approximately 15% more expensive 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	$772
Fastest flight time	18h 55m
Direct flights	None

The best one-way flight to Seattle from Sydney in the past 72 hours is $772. The best return flight deal from Sydney to Seattle found on momondo in the last 72 hours is $1,309.

The fastest flight from Sydney to Seattle takes 18h 55m

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 18h 55m.
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 6 as of September 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 (46% of total bookings). The next most popular airlines are United Airlines (25%), Qantas Airways (10%), 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
Hawaiian Airlines	PriceFrom $1,166	Free cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,214	Free cancellation	Rating 7.1 11,703 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,255	Free cancellation	Rating 7.0 12,098 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,308	Free cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,328	Free cancellation	Rating 7.4 10,256 reviews	Search United Airlines flights
Delta	PriceFrom $1,340	Free cancellation	Rating 7.8 8,610 reviews	Search Delta flights

Leavenworth

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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Cheap flights from Sydney to Seattle from $772

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 21/1. 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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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

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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

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According to popular flight searches on momondo this year

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