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

Vancouver (YVR) was the most common stop: 49% of momondo users choosing one-stop flights on this route connected there.

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 34% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 10 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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

Flights via Los Angeles (LAX) offer the lowest average return price of $1,255.

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

Flights connecting via Vancouver (YVR) have the shortest average one-way travel time: 17h 06m.

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.

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

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 10 as of March 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.

$780 Cheap Flights from Sydney to Seattle in 2026

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Find the cheapest flights from Sydney to Seattle

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One-way

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13:15 - 18:40

SYD

SEA

22h 25m

2 stops

17:06 - 11:50

SEA

SYD

25h 44m

2 stops

$1,226Multiple Airlines

Tue, 5 May - Tue, 12 May

13:15 - 18:51

SYD

SEA

22h 36m

2 stops

17:58 - 11:50

SEA

SYD

24h 52m

2 stops

$1,282Multiple Airlines

Tue, 21 Apr - Wed, 22 Apr

20:45 - 05:59

SYD

SEA

26h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,287Multiple Airlines

Sun, 12 Jul - Tue, 28 Jul

13:20 - 18:40

SYD

SEA

22h 20m

2 stops

06:00 - 11:50

SEA

SYD

36h 50m

2 stops

$1,290Multiple Airlines

Wed, 6 May - Wed, 13 May

20:45 - 05:59

SYD

SEA

26h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,292Multiple Airlines

Sun, 12 Jul - Tue, 28 Jul

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,294Multiple Airlines

Sun, 12 Jul - Tue, 28 Jul

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,297Multiple Airlines

Sun, 12 Jul - Tue, 28 Jul

13:15 - 18:40

SYD

SEA

22h 25m

2 stops

13:00 - 12:05

SEA

SYD

30h 05m

2 stops

$1,317Multiple Airlines

Mon, 4 May - Mon, 11 May

09:20 - 18:30

SYD

SEA

26h 10m

1 stop

19:20 - 07:20

SEA

SYD

19h 00m

1 stop

$1,324Air Canada

Wed, 6 May - Wed, 13 May

09:20 - 09:38

SYD

SEA

17h 18m

1 stop

15:40 - 07:20

SEA

SYD

22h 40m

1 stop

$1,330Air Canada

Tue, 21 Apr - Wed, 22 Apr

American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

American Airlines

3 June

SYD09:10Sydney Kingsford Smith

25h 34m

2 stops

SEA17:44Seattle/Tacoma Intl

28 June

SEA14:40Seattle/Tacoma Intl

23h 50m

1 stop

SYD07:30Sydney Kingsford Smith

$1,403

American Airlines

2 June

SYD09:10Sydney Kingsford Smith

25h 34m

2 stops

SEA17:44Seattle/Tacoma Intl

17 June

SEA15:20Seattle/Tacoma Intl

22h 45m

2 stops

SYD07:05Sydney Kingsford Smith

$1,404

American Airlines

3 June

SYD09:10Sydney Kingsford Smith

29h 39m

1 stop

SEA21:49Seattle/Tacoma Intl

28 June

SEA06:50Seattle/Tacoma Intl

31h 40m

1 stop

SYD07:30Sydney Kingsford Smith

$1,407

Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets

Air Canada

6 May

SYD09:20Sydney Kingsford Smith

26h 10m

1 stop

SEA18:30Seattle/Tacoma Intl

13 May

SEA19:20Seattle/Tacoma Intl

19h 00m

1 stop

SYD07:20Sydney Kingsford Smith

$1,324

Air Canada

21 Apr

SYD09:20Sydney Kingsford Smith

17h 18m

1 stop

SEA09:38Seattle/Tacoma Intl

22 Apr

SEA15:40Seattle/Tacoma Intl

22h 40m

1 stop

SYD07:20Sydney Kingsford Smith

$1,330

Air Canada

14 May

SYD09:20Sydney Kingsford Smith

17h 45m

1 stop

SEA10:05Seattle/Tacoma Intl

26 May

SEA19:20Seattle/Tacoma Intl

19h 00m

1 stop

SYD07:20Sydney Kingsford Smith

$1,331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 5/5

13:15-18:40

2 stops22h 25m

Seattle/Tacoma Intl

Tue 12/5

17:06-11:50

2 stops25h 44m

$1,226

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 21/4

13:15-18:51

2 stops22h 36m

Seattle/Tacoma Intl

Wed 22/4

17:58-11:50

2 stops24h 52m

$1,282

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 12/7

20:45-05:59

1 stop26h 14m

Seattle/Tacoma Intl

Tue 28/7

21:09-18:50

1 stop28h 41m

$1,287

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 6/5

13:20-18:40

2 stops22h 20m

Seattle/Tacoma Intl

Wed 13/5

06:00-11:50

2 stops36h 50m

$1,290

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 12/7

20:45-05:59

1 stop26h 14m

Seattle/Tacoma Intl

Tue 28/7

21:09-18:50

1 stop28h 41m

$1,292

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 12/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Tue 28/7

21:09-18:50

1 stop28h 41m

$1,294

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 12/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Tue 28/7

21:09-18:50

1 stop28h 41m

$1,297

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 4/5

13:15-18:40

2 stops22h 25m

Seattle/Tacoma Intl

Mon 11/5

13:00-12:05

2 stops30h 05m

$1,317

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 6/5

09:20-18:30

1 stop26h 10m

Seattle/Tacoma Intl

Wed 13/5

19:20-07:20

1 stop19h 00m

$1,324

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 21/4

09:20-09:38

1 stop17h 18m

Seattle/Tacoma Intl

Wed 22/4

15:40-07:20

1 stop22h 40m

$1,330

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 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 $1,274. If you are unable to visit Seattle during the month of August, then departing from Sydney during the month September is also very affordable. Most momondo users find prices during this month for around $1,313.

How far in advance should I book a flight 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 $1,509 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 $1,259 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 15% 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 March 2026, prices for Sydney to Seattle flights are approximately 21% 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

Fastest flight time	19h 14m
Direct flights	None

The fastest flight from Sydney to Seattle takes 19h 14m

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

Search flight deals

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 14m.
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 10 as of March 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 (30% of total bookings). The next most popular airlines are United Airlines (26%), Qantas Airways (15%), and Hawaiian Airlines (12%).

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
Delta	PriceFrom $691	Free cancellation	Rating 7.9 8,319 reviews	Search Delta flights
Virgin Australia	PriceFrom $1,070	Free cancellation	Rating 7.6 449 reviews	Search Virgin Australia flights
Air Canada	PriceFrom $1,079	Free cancellation	Rating 7.1 10,834 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $1,115	Free cancellation	Rating 7.9 12,097 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,131	Free cancellation	Rating 7.4 9,460 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $1,155	Free cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,179	Free cancellation	Rating 7.5 1,009 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,255	Free cancellation	Rating 7.1 11,489 reviews	Search American Airlines flights
ANA	PriceFrom $1,305	Free cancellation	Rating 8.4 1,139 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,381	Free cancellation	Rating 8.1 506 reviews	Search Asiana Airlines 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 $780

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 27/8. 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

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Our best Air Canada deals on Sydney to Seattle flight tickets

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See travel insights to Seattle from

How to get the cheapest flight ticket from Sydney to Seattle

What is the cheapest month to fly to Seattle?

How far in advance should I book a flight 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

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

Fastest flight time

Direct flights

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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