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 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 44% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 9 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 $983.

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

Vancouver (YVR) was the most common stop: 52% 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, American Airlines, and Delta 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 9 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.

$851 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 $1,780 to $1,265. The lowest price recently found on this route was $1,147.

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Find the cheapest flights from Sydney to Seattle

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09:20 - 18:32

SYD

SEA

26h 12m

1 stop

10:45 - 07:20

SEA

SYD

27h 35m

1 stop

$1,147Air Canada

Mon, 27 Jul - Tue, 11 Aug

09:20 - 18:32

SYD

SEA

26h 12m

1 stop

19:20 - 11:40

SEA

SYD

23h 20m

2 stops

$1,168Multiple Airlines

Mon, 27 Jul - Tue, 11 Aug

09:20 - 18:32

SYD

SEA

26h 12m

1 stop

10:45 - 07:20

SEA

SYD

27h 35m

1 stop

$1,198Air Canada

Mon, 27 Jul - Tue, 11 Aug

09:20 - 14:22

SYD

SEA

22h 02m

1 stop

19:20 - 08:20

SEA

SYD

19h 00m

1 stop

$1,206Air Canada

Tue, 8 Sep - Tue, 6 Oct

10:20 - 14:37

SYD

SEA

22h 17m

1 stop

15:15 - 09:35

SEA

SYD

23h 20m

1 stop

$1,215Air Canada

Tue, 27 Oct - Wed, 11 Nov

06:00 - 09:52

SYD

SEA

20h 52m

2 stops

15:00 - 08:20

SEA

SYD

23h 20m

1 stop

$1,219Multiple Airlines

Tue, 8 Sep - Tue, 6 Oct

09:20 - 10:07

SYD

SEA

17h 47m

1 stop

19:20 - 10:40

SEA

SYD

22h 20m

2 stops

$1,226Multiple Airlines

Wed, 29 Jul - Tue, 1 Sep

06:20 - 09:17

SYD

SEA

20h 57m

2 stops

19:05 - 09:35

SEA

SYD

19h 30m

1 stop

$1,229Multiple Airlines

Tue, 27 Oct - Wed, 11 Nov

06:00 - 10:07

SYD

SEA

21h 07m

2 stops

19:20 - 12:40

SEA

SYD

24h 20m

2 stops

$1,234Multiple Airlines

Wed, 29 Jul - Tue, 1 Sep

09:20 - 18:32

SYD

SEA

26h 12m

1 stop

15:00 - 10:40

SEA

SYD

26h 40m

2 stops

$1,241Air Canada

Mon, 27 Jul - Tue, 11 Aug

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

12 Aug

SYD09:30Sydney Kingsford Smith

19h 04m

1 stop

SEA11:34Seattle/Tacoma Intl

6 Sept

SEA12:15Seattle/Tacoma Intl

25h 45m

1 stop

SYD07:00Sydney Kingsford Smith

$1,371

United Airlines

18 June

SYD10:20Sydney Kingsford Smith

38h 40m

2 stops

SEA08:00Seattle/Tacoma Intl

3 July

SEA17:15Seattle/Tacoma Intl

68h 40m

2 stops

SYD06:55Sydney Kingsford Smith

$1,374

United Airlines

28 July

SYD10:20Sydney Kingsford Smith

23h 00m

1 stop

SEA16:20Seattle/Tacoma Intl

31 Aug

SEA15:30Seattle/Tacoma Intl

22h 25m

1 stop

SYD06:55Sydney Kingsford Smith

$1,377

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

20 July

SYD09:15Sydney Kingsford Smith

29h 50m

1 stop

SEA22:05Seattle/Tacoma Intl

27 July

SEA10:05Seattle/Tacoma Intl

27h 45m

1 stop

SYD06:50Sydney Kingsford Smith

$1,364

Delta

13 July

SYD09:15Sydney Kingsford Smith

29h 50m

1 stop

SEA22:05Seattle/Tacoma Intl

29 July

SEA11:09Seattle/Tacoma Intl

26h 41m

2 stops

SYD06:50Sydney Kingsford Smith

$1,374

Delta

9 June

SYD09:15Sydney Kingsford Smith

26h 21m

2 stops

SEA18:36Seattle/Tacoma Intl

30 June

SEA07:15Seattle/Tacoma Intl

30h 35m

2 stops

SYD06:50Sydney Kingsford Smith

$1,377

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

10:45-07:20

1 stop27h 35m

$1,147

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

19:20-11:40

2 stops23h 20m

$1,168

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

10:45-07:20

1 stop27h 35m

$1,198

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

09:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Tue 6/10

19:20-08:20

1 stop19h 00m

$1,206

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 27/10

10:20-14:37

1 stop22h 17m

Seattle/Tacoma Intl

Wed 11/11

15:15-09:35

1 stop23h 20m

$1,215

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

06:00-09:52

2 stops20h 52m

Seattle/Tacoma Intl

Tue 6/10

15:00-08:20

1 stop23h 20m

$1,219

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 29/7

09:20-10:07

1 stop17h 47m

Seattle/Tacoma Intl

Tue 1/9

19:20-10:40

2 stops22h 20m

$1,226

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 27/10

06:20-09:17

2 stops20h 57m

Seattle/Tacoma Intl

Wed 11/11

19:05-09:35

1 stop19h 30m

$1,229

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 29/7

06:00-10:07

2 stops21h 07m

Seattle/Tacoma Intl

Tue 1/9

19:20-12:40

2 stops24h 20m

$1,234

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

15:00-10:40

2 stops26h 40m

$1,241

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 September is, on average, the cheapest month to fly to Seattle from Sydney, with most prices found around $1,218. If you are unable to visit Seattle during the month of September, then departing from Sydney during the month August is also very affordable. Most momondo users find prices during this month for around $1,223.

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 $1,451 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 $975 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 6% 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 31% 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 47m
Direct flights	None

The fastest flight from Sydney to Seattle takes 19h 47m

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 47m.
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 9 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 (37% of total bookings). The next most popular airlines are United Airlines (27%), Qantas Airways (14%), and Hawaiian Airlines (7%).

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 $684	Free cancellation	Rating 7.8 8,398 reviews	Search Delta flights
Air Canada	PriceFrom $1,053	Free cancellation	Rating 7.1 11,133 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $1,060	Free cancellation	Rating 7.8 2,831 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $1,062	Free cancellation	Rating 7.9 12,476 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,135	Free cancellation	Rating 7.4 9,778 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,200	Free cancellation	Rating 7.5 1,044 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,242	Free cancellation	Rating 7.1 11,654 reviews	Search American Airlines flights
ANA	PriceFrom $1,291	Free cancellation	Rating 8.3 1,224 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,372	Free cancellation	Rating 8.1 540 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 $851

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 28/7. 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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Our best United Airlines deals on Sydney to Seattle flight tickets

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Our best Delta 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 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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