Which airlines fly to Seattle?

Air Canada, United Airlines and Qantas Airways are the top three most popular airlines that fly to Seattle from New South Wales according to our data. Air Canada is the first choice among our users, with 51% 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.

What is the cheapest airline that flies from New South Wales to Seattle/Tacoma Intl?

Delta and United Airlines are the most popular carriers operating from New South Wales to Seattle/Tacoma Intl

When did momondo last update prices for flights from New South Wales to Seattle/Tacoma Intl Airport?

Prices for flights from New South Wales to Seattle/Tacoma Intl Airport were last updated today.

How many operators does momondo search for flights from New South Wales to Seattle/Tacoma Intl Airport?

As of August 2026, there are 7 operators available to choose from for flights from New South Wales to Seattle/Tacoma Intl Airport.

How old do you have to be to fly from New South Wales 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 New South Wales to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$836 Cheap Flights from New South Wales to Seattle in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New South Wales to Seattle

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:40 - 23:58SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 18m1 stop Honolulu

07:00 - 19:45SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

$1,377Multiple Airlines

Thu, 26 Nov - Fri, 27 Nov

21:40 - 23:58SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 18m1 stop Honolulu

07:00 - 19:45SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

17h 45m1 stop Honolulu

$1,377Multiple Airlines

Thu, 26 Nov - Fri, 27 Nov

10:20 - 18:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

19:15 - 08:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 05m1 stop Vancouver Intl

$1,379Air Canada

Mon, 5 Oct - Mon, 12 Oct

10:20 - 14:22SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Vancouver Intl

10:50 - 08:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m1 stop Vancouver Intl

$1,394Air Canada

Tue, 6 Oct - Tue, 13 Oct

11:20 - 21:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 39m1 stop Los Angeles Los Angeles

07:30 - 06:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Dallas/Fort Worth

$1,432American Airlines

Mon, 25 Jan - Wed, 24 Feb

21:00 - 13:17SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

35h 17m2 stops Las Vegas Harry Reid Intl Dallas/Fort Worth

06:00 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 00m1 stop Los Angeles Los Angeles

$1,432American Airlines

Fri, 22 Jan - Wed, 24 Feb

10:40 - 10:35SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles Los Angeles

19:35 - 05:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

63h 15m2 stops Salt Lake City Los Angeles Los Angeles

$1,656Delta

Thu, 11 Feb - Fri, 12 Mar

10:40 - 10:35SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 55m1 stop Los Angeles Los Angeles

19:35 - 05:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

63h 15m2 stops Salt Lake City Los Angeles Los Angeles

$1,656Delta

Mon, 15 Feb - Fri, 12 Mar

11:50 - 10:21SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 31m1 stop San Francisco

19:32 - 09:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 48m1 stop San Francisco

$1,725United Airlines

Wed, 17 Feb - Fri, 12 Mar

11:50 - 10:21SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 31m1 stop San Francisco

19:32 - 09:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 48m1 stop San Francisco

$1,725United Airlines

Tue, 16 Feb - Fri, 12 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

20:45 - 23:53SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 08m1 stop Honolulu

07:20 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 30m1 stop Honolulu

$1,313Multiple Airlines

Thu, 27 Aug - Wed, 9 Sep

20:45 - 23:53SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 08m1 stop Honolulu

07:20 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 30m1 stop Honolulu

$1,313Multiple Airlines

Tue, 25 Aug - Wed, 9 Sep

09:20 - 22:42SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 22m1 stop Vancouver Intl

10:50 - 07:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m1 stop Vancouver Intl

$1,573Air Canada

Tue, 25 Aug - Wed, 9 Sep

09:20 - 18:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 12m1 stop Vancouver Intl

19:15 - 10:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 25m2 stops Vancouver Intl Brisbane

$1,599Air Canada

Tue, 25 Aug - Tue, 8 Sep

09:10 - 16:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 22m1 stop Los Angeles Los Angeles

17:02 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,599American Airlines

Thu, 27 Aug - Thu, 10 Sep

09:10 - 18:47SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 37m2 stops Los Angeles Los Angeles Dallas/Fort Worth

12:55 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 10m1 stop Los Angeles Los Angeles

$1,600American Airlines

Thu, 27 Aug - Thu, 10 Sep

10:20 - 15:52SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 32m2 stops San Francisco Denver Intl

19:35 - 06:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 20m1 stop San Francisco

$1,683United Airlines

Wed, 26 Aug - Sun, 13 Sep

10:20 - 12:20SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 00m1 stop San Francisco

16:30 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 30m1 stop Los Angeles Los Angeles

$1,683United Airlines

Thu, 27 Aug - Sun, 13 Sep

09:10 - 23:21SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 11m1 stop Los Angeles Los Angeles

17:02 - 07:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 03m1 stop Los Angeles Los Angeles

$1,811Qantas Airways

Mon, 24 Aug - Sat, 12 Sep

09:15 - 14:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 35m2 stops Los Angeles Los Angeles Salt Lake City

11:22 - 06:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 28m2 stops Salt Lake City Los Angeles Los Angeles

$2,199Delta

Thu, 27 Aug - Thu, 10 Sep

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Air Canada flights from New South Wales to Seattle

Our best Air Canada deals on New South Wales to Seattle flight tickets

Air Canada

5 Oct

SYD10:20Sydney Kingsford Smith

26h 12m

1 stop

SEA18:32Seattle/Tacoma Intl

12 Oct

SEA19:15Seattle/Tacoma Intl

19h 05m

1 stop

SYD08:20Sydney Kingsford Smith

$1,379

Air Canada

6 Oct

SYD10:20Sydney Kingsford Smith

22h 02m

1 stop

SEA14:22Seattle/Tacoma Intl

13 Oct

SEA10:50Seattle/Tacoma Intl

27h 30m

1 stop

SYD08:20Sydney Kingsford Smith

$1,394

Air Canada

5 Oct

SYD10:20Sydney Kingsford Smith

17h 45m

1 stop

SEA10:05Seattle/Tacoma Intl

12 Oct

SEA19:15Seattle/Tacoma Intl

23h 25m

2 stops

SYD12:40Sydney Kingsford Smith

$1,405

Alaska Airlines flights from New South Wales to Seattle

Our best Alaska Airlines deals on New South Wales to Seattle flight tickets

Alaska Airlines

19 Sept

SYD20:45Sydney Kingsford Smith

17h 44m

1 stop

SEA21:29Seattle/Tacoma Intl

4 Oct

SEA11:55Seattle/Tacoma Intl

36h 55m

1 stop

SYD18:50Sydney Kingsford Smith

$1,400

Alaska Airlines

29 Aug

SYD20:45Sydney Kingsford Smith

28h 28m

1 stop

SEA08:13Seattle/Tacoma Intl

9 Sept

SEA07:20Seattle/Tacoma Intl

18h 30m

1 stop

SYD18:50Sydney Kingsford Smith

$1,418

Alaska Airlines

22 Nov

SYD21:40Sydney Kingsford Smith

27h 28m

1 stop

SEA06:08Seattle/Tacoma Intl

24 Nov

SEA13:00Seattle/Tacoma Intl

35h 45m

1 stop

SYD19:45Sydney Kingsford Smith

$1,433

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 26/11

21:40-23:58

1 stop21h 18m

Seattle/Tacoma Intl

Fri 27/11

07:00-19:45

1 stop17h 45m

$1,377

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 26/11

21:40-23:58

1 stop21h 18m

Seattle/Tacoma Intl

Fri 27/11

07:00-19:45

1 stop17h 45m

$1,377

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Mon 12/10

19:15-08:20

1 stop19h 05m

$1,379

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 6/10

10:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Tue 13/10

10:50-08:20

1 stop27h 30m

$1,394

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 25/1

11:20-21:59

1 stop29h 39m

Seattle/Tacoma Intl

Wed 24/2

07:30-06:55

1 stop28h 25m

$1,432

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 22/1

21:00-13:17

2 stops35h 17m

Seattle/Tacoma Intl

Wed 24/2

06:00-09:00

1 stop32h 00m

$1,432

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 11/2

10:40-10:35

1 stop18h 55m

Seattle/Tacoma Intl

Fri 12/3

19:35-05:50

2 stops63h 15m

$1,656

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 15/2

10:40-10:35

1 stop18h 55m

Seattle/Tacoma Intl

Fri 12/3

19:35-05:50

2 stops63h 15m

$1,656

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 17/2

11:50-10:21

1 stop17h 31m

Seattle/Tacoma Intl

Fri 12/3

19:32-09:20

1 stop18h 48m

$1,725

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 16/2

11:50-10:21

1 stop17h 31m

Seattle/Tacoma Intl

Fri 12/3

19:32-09:20

1 stop18h 48m

$1,725

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 New South Wales 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

What is the cheapest month to fly to Seattle?

The month of August is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $1,379. If you are unable to visit Seattle during the month of August, then departing from New South Wales during the month March is also very affordable. Most momondo users find prices during this month for around $1,391.

How far in advance should I book a flight from New South Wales to Seattle?

You are more likely to see cheaper flights to Seattle from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,524 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 New South Wales for as low as $951 on momondo.

Can stopping save me money on New South Wales to Seattle flights?

You could potentially save up to 13% on your flight if you consider stops on a New South Wales to Seattle flight.

Cheap New South Wales to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New South Wales to Seattle

Best price found	$836
Fastest flight time	17h 44m
Direct flights	None

The best one-way flight to Seattle from New South Wales in the past 72 hours is $836. The best return flight deal from New South Wales to Seattle found on momondo in the last 72 hours is $1,377.

The fastest flight from New South Wales to Seattle takes 17h 44m

There are no direct flights from New South Wales to Seattle. There are no popular flight routes from New South Wales to Seattle.

Search flight deals

Frequently asked questions about flying from New South Wales to Seattle

When did momondo last update prices for flights from New South Wales to Seattle/Tacoma Intl Airport?
Prices for flights from New South Wales to Seattle/Tacoma Intl Airport were last updated today.
How many operators does momondo search for flights from New South Wales to Seattle/Tacoma Intl Airport?
As of August 2026, there are 7 operators available to choose from for flights from New South Wales to Seattle/Tacoma Intl Airport.
How old do you have to be to fly from New South Wales 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 New South Wales to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from New South Wales to Seattle

Compare and see reviews for airlines that fly from New South Wales to Seattle with momondo

Airline	Rating	Free cancellation	Price
Hawaiian Airlines	PriceFrom $1,024	Free cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,115	Free cancellation	Rating 7.1 11,523 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,164	Free cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Delta	PriceFrom $1,168	Free cancellation	Rating 7.8 8,515 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,183	Free cancellation	Rating 7.5 1,085 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,229	Free cancellation	Rating 7.1 11,981 reviews	Search American Airlines flights
ANA	PriceFrom $1,278	Free cancellation	Rating 8.3 1,300 reviews	Search ANA flights

Leavenworth

SeaTac

Why use momondo?

Why should I use momondo to find a flight deal from New South Wales to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New South Wales to Seattle . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from New South Wales to Seattle with flexible booking policies on momondo?

Flights from New South Wales to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New South Wales to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from New South Wales. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from New South Wales to Seattle right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seattle from New South Wales. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from New South Wales to Seattle from $836

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New South Wales to Seattle departing on 17/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from New South Wales to Seattle

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Air Canada flights from New South Wales to Seattle

Our best Air Canada deals on New South Wales to Seattle flight tickets

Alaska Airlines flights from New South Wales to Seattle

Our best Alaska Airlines deals on New South Wales to Seattle flight tickets

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Use the filters below to find and compare flights from New South Wales to Seattle that are best for you.

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How to get the cheapest flight ticket from New South Wales to Seattle

What is the cheapest month to fly to Seattle?

How far in advance should I book a flight from New South Wales to Seattle?

Can stopping save me money on New South Wales to Seattle flights?

What is the cheapest airline that flies from New South Wales to Seattle/Tacoma Intl?

Which airlines fly to Seattle?

Cheap New South Wales to Seattle flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from New South Wales to Seattle

Best airlines flying from New South Wales to Seattle

Compare and see reviews for airlines that fly from New South Wales 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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