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

Vancouver (YVR) was the most common stop: 55% 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?

United Airlines and Delta 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 50% 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 $1,006.

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 45m.

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 July 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.

$861 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 $1,428 to $2,093. The lowest price recently found on this route was $1,231.

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.

13:15 - 18:26

SYD

SEA

22h 11m

2 stops

06:49 - 11:50

SEA

SYD

36h 01m

2 stops

$1,231Multiple Airlines

Wed, 26 Aug - Wed, 2 Sep

14:00 - 17:57

SYD

SEA

22h 57m

2 stops

06:00 - 22:05

SEA

SYD

45h 05m

2 stops

$1,264Multiple Airlines

Thu, 12 Nov - Tue, 17 Nov

14:00 - 22:46

SYD

SEA

27h 46m

2 stops

12:00 - 12:35

SEA

SYD

29h 35m

2 stops

$1,267Multiple Airlines

Thu, 12 Nov - Tue, 17 Nov

20:45 - 23:59

SYD

SEA

20h 14m

1 stop

21:09 - 18:50

SEA

SYD

28h 41m

1 stop

$1,304Multiple Airlines

Thu, 6 Aug - Tue, 18 Aug

20:45 - 23:53

SYD

SEA

20h 08m

1 stop

07:20 - 18:50

SEA

SYD

18h 30m

1 stop

$1,345Multiple Airlines

Thu, 20 Aug - Mon, 24 Aug

14:05 - 23:05

SYD

SEA

28h 00m

1 stop

06:05 - 09:00

SEA

SYD

31h 55m

1 stop

$1,352American Airlines

Thu, 5 Nov - Sun, 8 Nov

12:00 - 13:10

SYD

SEA

42h 10m

1 stop

07:10 - 07:05

SEA

SYD

30h 55m

1 stop

$1,363American Airlines

Mon, 7 Sep - Sun, 20 Sep

09:30 - 17:42

SYD

SEA

25h 12m

2 stops

07:11 - 06:55

SEA

SYD

30h 44m

1 stop

$1,366United Airlines

Tue, 11 Aug - Tue, 18 Aug

09:30 - 21:10

SYD

SEA

28h 40m

2 stops

08:35 - 07:00

SEA

SYD

29h 25m

1 stop

$1,368United Airlines

Tue, 28 Jul - Tue, 4 Aug

09:30 - 23:04

SYD

SEA

30h 34m

2 stops

15:30 - 06:55

SEA

SYD

22h 25m

1 stop

$1,375United Airlines

Wed, 2 Sep - Mon, 14 Sep

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American Airlines flights from Sydney to Seattle

Our best American Airlines deals on Sydney to Seattle flight tickets

American Airlines

5 Nov

SYD14:05Sydney Kingsford Smith

28h 00m

1 stop

SEA23:05Seattle/Tacoma Intl

8 Nov

SEA06:05Seattle/Tacoma Intl

31h 55m

1 stop

SYD09:00Sydney Kingsford Smith

$1,352

American Airlines

7 Sept

SYD12:00Sydney Kingsford Smith

42h 10m

1 stop

SEA13:10Seattle/Tacoma Intl

20 Sept

SEA07:10Seattle/Tacoma Intl

30h 55m

1 stop

SYD07:05Sydney Kingsford Smith

$1,363

American Airlines

8 Sept

SYD21:25Sydney Kingsford Smith

28h 58m

2 stops

SEA09:23Seattle/Tacoma Intl

20 Sept

SEA07:10Seattle/Tacoma Intl

30h 55m

1 stop

SYD07:05Sydney Kingsford Smith

$1,384

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

11 Aug

SYD09:30Sydney Kingsford Smith

25h 12m

2 stops

SEA17:42Seattle/Tacoma Intl

18 Aug

SEA07:11Seattle/Tacoma Intl

30h 44m

1 stop

SYD06:55Sydney Kingsford Smith

$1,366

United Airlines

28 July

SYD09:30Sydney Kingsford Smith

28h 40m

2 stops

SEA21:10Seattle/Tacoma Intl

4 Aug

SEA08:35Seattle/Tacoma Intl

29h 25m

1 stop

SYD07:00Sydney Kingsford Smith

$1,368

United Airlines

21 July

SYD10:20Sydney Kingsford Smith

19h 14m

1 stop

SEA12:34Seattle/Tacoma Intl

29 July

SEA15:33Seattle/Tacoma Intl

22h 22m

1 stop

SYD06:55Sydney Kingsford Smith

$1,371

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 26/8

13:15-18:26

2 stops22h 11m

Seattle/Tacoma Intl

Wed 2/9

06:49-11:50

2 stops36h 01m

$1,231

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 12/11

14:00-17:57

2 stops22h 57m

Seattle/Tacoma Intl

Tue 17/11

06:00-22:05

2 stops45h 05m

$1,264

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 12/11

14:00-22:46

2 stops27h 46m

Seattle/Tacoma Intl

Tue 17/11

12:00-12:35

2 stops29h 35m

$1,267

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 6/8

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Tue 18/8

21:09-18:50

1 stop28h 41m

$1,304

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 20/8

20:45-23:53

1 stop20h 08m

Seattle/Tacoma Intl

Mon 24/8

07:20-18:50

1 stop18h 30m

$1,345

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/11

14:05-23:05

1 stop28h 00m

Seattle/Tacoma Intl

Sun 8/11

06:05-09:00

1 stop31h 55m

$1,352

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

12:00-13:10

1 stop42h 10m

Seattle/Tacoma Intl

Sun 20/9

07:10-07:05

1 stop30h 55m

$1,363

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/8

09:30-17:42

2 stops25h 12m

Seattle/Tacoma Intl

Tue 18/8

07:11-06:55

1 stop30h 44m

$1,366

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 28/7

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Tue 4/8

08:35-07:00

1 stop29h 25m

$1,368

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 2/9

09:30-23:04

2 stops30h 34m

Seattle/Tacoma Intl

Mon 14/9

15:30-06:55

1 stop22h 25m

$1,375

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 $1,246. 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 $1,358.

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 $1,525 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 $952 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 24% 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 July 2026, prices for Sydney to Seattle flights are approximately 19% 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	18h 00m
Direct flights	None

The fastest flight from Sydney to Seattle takes 18h 00m

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 18h 00m.
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 July 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 (44% of total bookings). The next most popular airlines are United Airlines (25%), Qantas Airways (11%), 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 $1,060	Free cancellation	Rating 7.8 2,823 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,095	Free cancellation	Rating 7.8 8,467 reviews	Search Delta flights
Air Canada	PriceFrom $1,114	Free cancellation	Rating 7.1 11,336 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,192	Free cancellation	Rating 7.4 9,989 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,224	Free cancellation	Rating 7.5 1,061 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,271	Free cancellation	Rating 7.1 11,809 reviews	Search American Airlines flights
ANA	PriceFrom $1,322	Free cancellation	Rating 8.3 1,271 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 $861

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 24/8. 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 United Airlines 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.

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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