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

Vancouver (YVR) was the most common stop: 51% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Nadi (NAN) offer the lowest average return price of $978.

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 40% 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.

What is the cheapest airline that flies from Sydney Kingsford Smith to Seattle/Tacoma Intl?

Air Canada, United Airlines, and Delta are the most popular carriers 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 10 as of May 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.

$845 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 $1,887 to $1,290. The lowest price recently found on this route was $1,218.

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Find the cheapest flights from Sydney to Seattle

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09:20 - 10:07

SYD

SEA

17h 47m

1 stop

19:20 - 11:40

SEA

SYD

23h 20m

2 stops

$1,218Multiple Airlines

Wed, 22 Jul - Wed, 29 Jul

09:20 - 10:07

SYD

SEA

17h 47m

1 stop

19:20 - 11:40

SEA

SYD

23h 20m

2 stops

$1,226Multiple Airlines

Wed, 22 Jul - Wed, 29 Jul

10:20 - 18:32

SYD

SEA

26h 12m

1 stop

10:10 - 09:35

SEA

SYD

28h 25m

1 stop

$1,229Air Canada

Wed, 21 Oct - Thu, 12 Nov

09:20 - 10:07

SYD

SEA

17h 47m

1 stop

19:20 - 10:40

SEA

SYD

22h 20m

2 stops

$1,236Air Canada

Thu, 16 Jul - Mon, 27 Jul

07:00 - 10:07

SYD

SEA

20h 07m

2 stops

19:20 - 11:40

SEA

SYD

23h 20m

2 stops

$1,239Air Canada

Wed, 22 Jul - Wed, 29 Jul

09:20 - 14:22

SYD

SEA

22h 02m

1 stop

19:20 - 11:55

SEA

SYD

22h 35m

2 stops

$1,240Multiple Airlines

Tue, 8 Sep - Tue, 6 Oct

09:20 - 14:22

SYD

SEA

22h 02m

1 stop

15:00 - 07:20

SEA

SYD

23h 20m

1 stop

$1,244Air Canada

Tue, 11 Aug - Thu, 17 Sep

06:00 - 10:07

SYD

SEA

21h 07m

2 stops

19:20 - 12:40

SEA

SYD

24h 20m

2 stops

$1,246Multiple Airlines

Wed, 22 Jul - Wed, 29 Jul

06:00 - 10:07

SYD

SEA

21h 07m

2 stops

19:20 - 10:40

SEA

SYD

22h 20m

2 stops

$1,250Multiple Airlines

Thu, 16 Jul - Mon, 27 Jul

06:00 - 10:07

SYD

SEA

21h 07m

2 stops

19:20 - 07:20

SEA

SYD

19h 00m

1 stop

$1,258Multiple Airlines

Tue, 11 Aug - Thu, 17 Sep

Air Canada flights from Sydney to Seattle

Our best Air Canada deals on Sydney to Seattle flight tickets

Air Canada

21 Oct

SYD10:20Sydney Kingsford Smith

26h 12m

1 stop

SEA18:32Seattle/Tacoma Intl

12 Nov

SEA10:10Seattle/Tacoma Intl

28h 25m

1 stop

SYD09:35Sydney Kingsford Smith

$1,229

Air Canada

16 July

SYD09:20Sydney Kingsford Smith

17h 47m

1 stop

SEA10:07Seattle/Tacoma Intl

27 July

SEA19:20Seattle/Tacoma Intl

22h 20m

2 stops

SYD10:40Sydney Kingsford Smith

$1,236

Air Canada

22 July

SYD07:00Sydney Kingsford Smith

20h 07m

2 stops

SEA10:07Seattle/Tacoma Intl

29 July

SEA19:20Seattle/Tacoma Intl

23h 20m

2 stops

SYD11:40Sydney Kingsford Smith

$1,239

United Airlines flights from Sydney to Seattle

Our best United Airlines deals on Sydney to Seattle flight tickets

United Airlines

10 Aug

SYD10:20Sydney Kingsford Smith

19h 14m

1 stop

SEA12:34Seattle/Tacoma Intl

14 Sept

SEA16:30Seattle/Tacoma Intl

21h 30m

1 stop

SYD07:00Sydney Kingsford Smith

$1,362

United Airlines

16 June

SYD09:30Sydney Kingsford Smith

25h 29m

2 stops

SEA17:59Seattle/Tacoma Intl

1 July

SEA15:33Seattle/Tacoma Intl

22h 22m

1 stop

SYD06:55Sydney Kingsford Smith

$1,364

United Airlines

13 July

SYD09:30Sydney Kingsford Smith

28h 40m

2 stops

SEA21:10Seattle/Tacoma Intl

28 July

SEA17:20Seattle/Tacoma Intl

20h 35m

1 stop

SYD06:55Sydney Kingsford Smith

$1,376

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/7

09:20-10:07

1 stop17h 47m

Seattle/Tacoma Intl

Wed 29/7

19:20-11:40

2 stops23h 20m

$1,218

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/7

09:20-10:07

1 stop17h 47m

Seattle/Tacoma Intl

Wed 29/7

19:20-11:40

2 stops23h 20m

$1,226

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 21/10

10:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Thu 12/11

10:10-09:35

1 stop28h 25m

$1,229

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 16/7

09:20-10:07

1 stop17h 47m

Seattle/Tacoma Intl

Mon 27/7

19:20-10:40

2 stops22h 20m

$1,236

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/7

07:00-10:07

2 stops20h 07m

Seattle/Tacoma Intl

Wed 29/7

19:20-11:40

2 stops23h 20m

$1,239

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

09:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Tue 6/10

19:20-11:55

2 stops22h 35m

$1,240

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/8

09:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Thu 17/9

15:00-07:20

1 stop23h 20m

$1,244

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/7

06:00-10:07

2 stops21h 07m

Seattle/Tacoma Intl

Wed 29/7

19:20-12:40

2 stops24h 20m

$1,246

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 16/7

06:00-10:07

2 stops21h 07m

Seattle/Tacoma Intl

Mon 27/7

19:20-10:40

2 stops22h 20m

$1,250

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 11/8

06:00-10:07

2 stops21h 07m

Seattle/Tacoma Intl

Thu 17/9

19:20-07:20

1 stop19h 00m

$1,258

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 $1,211. 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 $1,216.

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 $1,442 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 $970 on momondo.

Can stopping save me money on Sydney to Seattle flights?

You could potentially save up to 5% 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 May 2026, prices for Sydney to Seattle flights are approximately 14% 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	17h 32m
Direct flights	None

The fastest flight from Sydney to Seattle takes 17h 32m

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 17h 32m.
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 May 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 (33% of total bookings). The next most popular airlines are United Airlines (26%), Qantas Airways (15%), 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
Delta	PriceFrom $680	Free cancellation	Rating 7.9 8,428 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $1,030	Free cancellation	Rating 7.8 2,835 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,047	Free cancellation	Rating 7.1 11,086 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $1,056	Free cancellation	Rating 7.9 12,417 reviews	Search Alaska Airlines flights
Qantas Airways	PriceFrom $1,086	Free cancellation	Rating 7.5 1,042 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,114	Free cancellation	Rating 7.4 9,751 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,235	Free cancellation	Rating 7.1 11,630 reviews	Search American Airlines flights
ANA	PriceFrom $1,284	Free cancellation	Rating 8.3 1,215 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,365	Free cancellation	Rating 8.1 534 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 $845

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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Air Canada flights from Sydney to Seattle

Our best Air Canada 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.

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Popular flights according to clicks in the last 7 days on momondo

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