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.

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 35% 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 Nadi (NAN) offer the lowest average return price of $976.

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

Vancouver (YVR) was the most common stop: 50% 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?

Air Canada and American 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 April 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.

$763 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 $1,851 to $1,302. The lowest price recently found on this route was $1,367.

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Find the cheapest flights from Sydney to Seattle

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 12:34

SYD

SEA

19h 14m

1 stop

13:30 - 06:55

SEA

SYD

24h 25m

1 stop

$1,367United Airlines

Thu, 21 May - Tue, 9 Jun

09:15 - 12:23

SYD

SEA

20h 08m

1 stop

17:35 - 06:50

SEA

SYD

20h 15m

1 stop

$1,370Delta

Tue, 12 May - Wed, 27 May

09:15 - 13:00

SYD

SEA

20h 45m

2 stops

10:50 - 06:50

SEA

SYD

27h 00m

2 stops

$1,371Delta

Tue, 12 May - Sun, 24 May

09:15 - 15:21

SYD

SEA

23h 06m

2 stops

10:05 - 06:50

SEA

SYD

27h 45m

1 stop

$1,373Delta

Tue, 2 Jun - Wed, 10 Jun

09:10 - 12:56

SYD

SEA

20h 46m

1 stop

14:10 - 06:25

SEA

SYD

21h 15m

1 stop

$1,385Qantas Airways

Tue, 9 Jun - Wed, 9 Dec

09:15 - 14:38

SYD

SEA

22h 23m

2 stops

05:25 - 06:50

SEA

SYD

32h 25m

2 stops

$1,390Delta

Mon, 20 Jul - Sun, 2 Aug

09:20 - 18:30

SYD

SEA

26h 10m

1 stop

10:45 - 07:20

SEA

SYD

27h 35m

1 stop

$1,392Air Canada

Thu, 21 May - Thu, 28 May

09:20 - 10:05

SYD

SEA

17h 45m

1 stop

15:00 - 07:20

SEA

SYD

23h 20m

1 stop

$1,395Air Canada

Mon, 1 Jun - Thu, 25 Jun

07:00 - 10:05

SYD

SEA

20h 05m

2 stops

10:45 - 07:20

SEA

SYD

27h 35m

1 stop

$1,412Multiple Airlines

Thu, 21 May - Fri, 5 Jun

09:10 - 21:49

SYD

SEA

29h 39m

1 stop

17:04 - 07:05

SEA

SYD

21h 01m

1 stop

$1,413Qantas Airways

Sun, 7 Jun - Sun, 14 Jun

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United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

21 May

SYD10:20Sydney Kingsford Smith

19h 14m

1 stop

SEA12:34Seattle/Tacoma Intl

8 June

SEA11:02Seattle/Tacoma Intl

26h 58m

2 stops

SYD07:00Sydney Kingsford Smith

$1,367

United Airlines

1 May

SYD09:30Sydney Kingsford Smith

25h 30m

2 stops

SEA18:00Seattle/Tacoma Intl

1 June

SEA12:50Seattle/Tacoma Intl

25h 10m

2 stops

SYD07:00Sydney Kingsford Smith

$1,650

Delta flights from Sydney to Seattle

Our best Delta deals on Sydney to Seattle flight tickets

Delta

12 May

SYD09:15Sydney Kingsford Smith

31h 40m

1 stop

SEA23:55Seattle/Tacoma Intl

24 May

SEA15:55Seattle/Tacoma Intl

21h 55m

1 stop

SYD06:50Sydney Kingsford Smith

$1,370

Delta

12 May

SYD09:15Sydney Kingsford Smith

22h 50m

1 stop

SEA15:05Seattle/Tacoma Intl

25 May

SEA17:35Seattle/Tacoma Intl

20h 15m

1 stop

SYD06:50Sydney Kingsford Smith

$1,371

Delta

2 June

SYD09:15Sydney Kingsford Smith

23h 06m

2 stops

SEA15:21Seattle/Tacoma Intl

10 June

SEA10:05Seattle/Tacoma Intl

27h 45m

1 stop

SYD06:50Sydney Kingsford Smith

$1,373

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 21/5

10:20-12:34

1 stop19h 14m

Seattle/Tacoma Intl

Tue 9/6

13:30-06:55

1 stop24h 25m

$1,367

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 12/5

09:15-12:23

1 stop20h 08m

Seattle/Tacoma Intl

Wed 27/5

17:35-06:50

1 stop20h 15m

$1,370

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 12/5

09:15-13:00

2 stops20h 45m

Seattle/Tacoma Intl

Sun 24/5

10:50-06:50

2 stops27h 00m

$1,371

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 2/6

09:15-15:21

2 stops23h 06m

Seattle/Tacoma Intl

Wed 10/6

10:05-06:50

1 stop27h 45m

$1,373

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 9/6

09:10-12:56

1 stop20h 46m

Seattle/Tacoma Intl

Wed 9/12

14:10-06:25

1 stop21h 15m

$1,385

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 20/7

09:15-14:38

2 stops22h 23m

Seattle/Tacoma Intl

Sun 2/8

05:25-06:50

2 stops32h 25m

$1,390

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 21/5

09:20-18:30

1 stop26h 10m

Seattle/Tacoma Intl

Thu 28/5

10:45-07:20

1 stop27h 35m

$1,392

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 1/6

09:20-10:05

1 stop17h 45m

Seattle/Tacoma Intl

Thu 25/6

15:00-07:20

1 stop23h 20m

$1,395

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 21/5

07:00-10:05

2 stops20h 05m

Seattle/Tacoma Intl

Fri 5/6

10:45-07:20

1 stop27h 35m

$1,412

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 7/6

09:10-21:49

1 stop29h 39m

Seattle/Tacoma Intl

Sun 14/6

17:04-07:05

1 stop21h 01m

$1,413

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 $1,243. 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 $1,247.

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 $1,467 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 $1,245 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 11% 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 April 2026, prices for Sydney to Seattle flights are approximately 12% 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 35m
Direct flights	None

The fastest flight from Sydney to Seattle takes 19h 35m

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 19h 35m.
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 April 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 (29% of total bookings). The next most popular airlines are United Airlines (28%), Qantas Airways (18%), and Hawaiian Airlines (9%).

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 $679	Free cancellation	Rating 7.9 8,455 reviews	Search Delta flights
Air Canada	PriceFrom $1,044	Free cancellation	Rating 7.1 10,965 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,052	Free cancellation	Rating 7.6 453 reviews	Search Virgin Australia flights
Hawaiian Airlines	PriceFrom $1,052	Free cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $1,095	Free cancellation	Rating 7.9 12,282 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,108	Free cancellation	Rating 7.4 9,648 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,120	Free cancellation	Rating 7.5 1,025 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,233	Free cancellation	Rating 7.1 11,669 reviews	Search American Airlines flights
ANA	PriceFrom $1,282	Free cancellation	Rating 8.4 1,188 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,365	Free cancellation	Rating 8.1 521 reviews	Search Asiana Airlines 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 $763

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 26/7. 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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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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