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 45% 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.

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

Flights via Nadi (NAN) offer the lowest average return price of $996.

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

Vancouver (YVR) was the most common stop: 54% of momondo users choosing one-stop flights on this route connected there.

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?

United Airlines is the most popular carrier operating from Sydney Kingsford Smith to Seattle/Tacoma Intl

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 7 as of June 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.

$891 Cheap Flights from Sydney to Seattle in 2026

Q: 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 $1,412 to $1,834. The lowest price recently found on this route was $1,205.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Sydney to Seattle

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:00 - 18:49

SYD

SEA

23h 49m

1 stop

07:40 - 08:05

SEA

SYD

30h 25m

1 stop

$1,205American Airlines

Mon, 19 Oct - Tue, 20 Oct

13:15 - 09:17

SYD

SEA

37h 02m

3 stops

10:34 - 22:10

SEA

SYD

42h 36m

2 stops

$1,218Multiple Airlines

Thu, 23 Jul - Wed, 5 Aug

10:10 - 21:26

SYD

SEA

29h 16m

1 stop

07:40 - 06:25

SEA

SYD

28h 45m

2 stops

$1,222American Airlines

Mon, 19 Oct - Tue, 20 Oct

14:00 - 18:48

SYD

SEA

22h 48m

2 stops

09:50 - 22:05

SEA

SYD

41h 15m

2 stops

$1,229Multiple Airlines

Thu, 29 Oct - Sun, 1 Nov

13:15 - 21:39

SYD

SEA

25h 24m

2 stops

06:28 - 12:50

SEA

SYD

36h 22m

2 stops

$1,248Multiple Airlines

Wed, 19 Aug - Wed, 21 Oct

13:00 - 09:28

SYD

SEA

38h 28m

1 stop

07:40 - 08:05

SEA

SYD

30h 25m

1 stop

$1,255American Airlines

Tue, 20 Oct - Thu, 22 Oct

14:15 - 18:48

SYD

SEA

22h 33m

2 stops

08:15 - 12:50

SEA

SYD

34h 35m

2 stops

$1,261Multiple Airlines

Thu, 8 Oct - Tue, 20 Oct

13:00 - 19:50

SYD

SEA

24h 50m

2 stops

07:40 - 08:05

SEA

SYD

30h 25m

1 stop

$1,272American Airlines

Wed, 21 Oct - Thu, 22 Oct

06:15 - 22:59

SYD

SEA

33h 44m

2 stops

17:59 - 11:50

SEA

SYD

24h 51m

2 stops

$1,282Multiple Airlines

Wed, 9 Sep - Fri, 25 Sep

21:25 - 10:24

SYD

SEA

30h 59m

2 stops

07:40 - 08:05

SEA

SYD

30h 25m

1 stop

$1,291American Airlines

Tue, 20 Oct - Thu, 22 Oct

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United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

27 July

SYD09:30Sydney Kingsford Smith

30h 40m

2 stops

SEA23:10Seattle/Tacoma Intl

12 Aug

SEA18:52Seattle/Tacoma Intl

19h 08m

1 stop

SYD07:00Sydney Kingsford Smith

$1,353

United Airlines

27 July

SYD09:30Sydney Kingsford Smith

30h 40m

2 stops

SEA23:10Seattle/Tacoma Intl

12 Aug

SEA18:52Seattle/Tacoma Intl

19h 08m

1 stop

SYD07:00Sydney Kingsford Smith

$1,355

United Airlines

27 July

SYD09:30Sydney Kingsford Smith

30h 40m

2 stops

SEA23:10Seattle/Tacoma Intl

12 Aug

SEA18:52Seattle/Tacoma Intl

19h 08m

1 stop

SYD07:00Sydney Kingsford Smith

$1,363

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

8 Sept

SYD09:15Sydney Kingsford Smith

22h 35m

2 stops

SEA14:50Seattle/Tacoma Intl

27 Sept

SEA11:22Seattle/Tacoma Intl

26h 28m

2 stops

SYD06:50Sydney Kingsford Smith

$1,371

Delta

22 Oct

SYD10:15Sydney Kingsford Smith

18h 20m

1 stop

SEA10:35Seattle/Tacoma Intl

14 Nov

SEA19:59Seattle/Tacoma Intl

41h 31m

1 stop

SYD08:30Sydney Kingsford Smith

$1,375

Delta

20 July

SYD09:15Sydney Kingsford Smith

24h 13m

2 stops

SEA16:28Seattle/Tacoma Intl

4 Aug

SEA12:36Seattle/Tacoma Intl

25h 14m

1 stop

SYD06:50Sydney Kingsford Smith

$1,376

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/10

13:00-18:49

1 stop23h 49m

Seattle/Tacoma Intl

Tue 20/10

07:40-08:05

1 stop30h 25m

$1,205

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/7

13:15-09:17

3 stops37h 02m

Seattle/Tacoma Intl

Wed 5/8

10:34-22:10

2 stops42h 36m

$1,218

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-21:26

1 stop29h 16m

Seattle/Tacoma Intl

Tue 20/10

07:40-06:25

2 stops28h 45m

$1,222

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 29/10

14:00-18:48

2 stops22h 48m

Seattle/Tacoma Intl

Sun 1/11

09:50-22:05

2 stops41h 15m

$1,229

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 19/8

13:15-21:39

2 stops25h 24m

Seattle/Tacoma Intl

Wed 21/10

06:28-12:50

2 stops36h 22m

$1,248

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 20/10

13:00-09:28

1 stop38h 28m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,255

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/10

14:15-18:48

2 stops22h 33m

Seattle/Tacoma Intl

Tue 20/10

08:15-12:50

2 stops34h 35m

$1,261

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 21/10

13:00-19:50

2 stops24h 50m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,272

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 9/9

06:15-22:59

2 stops33h 44m

Seattle/Tacoma Intl

Fri 25/9

17:59-11:50

2 stops24h 51m

$1,282

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 20/10

21:25-10:24

2 stops30h 59m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,291

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?

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 $1,239. 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 $1,316.

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 $1,502 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 $988 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 1% 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 June 2026, prices for Sydney to Seattle flights are approximately 27% 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	21h 29m
Direct flights	None

The fastest flight from Sydney to Seattle takes 21h 29m

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

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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 21h 29m.
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 June 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 (40% of total bookings). The next most popular airlines are United Airlines (28%), Qantas Airways (13%), and Hawaiian 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 $1,074	Free cancellation	Rating 7.8 2,826 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,083	Free cancellation	Rating 7.8 8,424 reviews	Search Delta flights
Air Canada	PriceFrom $1,102	Free cancellation	Rating 7.1 11,244 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,180	Free cancellation	Rating 7.4 9,878 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,216	Free cancellation	Rating 7.5 1,050 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,258	Free cancellation	Rating 7.1 11,746 reviews	Search American Airlines flights
ANA	PriceFrom $1,308	Free cancellation	Rating 8.3 1,251 reviews	Search ANA flights

Leavenworth

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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 $891

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 13/7. 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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United Airlines flights from Sydney to Seattle

Our best United 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

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

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.

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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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