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

Delta is the most popular carrier operating from New South Wales 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 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 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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 September 2026, there are 6 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.

$555 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.

14:15 - 18:45SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 30m2 stops Nadi Los Angeles Los Angeles

20:00 - 06:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

40h 25m1 stop Los Angeles Los Angeles

$1,241Multiple Airlines

Tue, 20 Oct - Mon, 26 Oct

10:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m1 stop Los Angeles Los Angeles

06:00 - 08:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 05m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

$1,256British Airways

Mon, 5 Oct - Sun, 18 Oct

10:10 - 16:48SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 38m2 stops Los Angeles Los Angeles Dallas/Fort Worth

07:10 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 50m1 stop Los Angeles Los Angeles

$1,284American Airlines

Mon, 19 Oct - Mon, 26 Oct

10:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m1 stop Los Angeles Los Angeles

07:10 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 50m1 stop Los Angeles Los Angeles

$1,284American Airlines

Mon, 19 Oct - Mon, 26 Oct

10:15 - 23:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

31h 44m2 stops Los Angeles Los Angeles Salt Lake City

05:30 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 20m2 stops Salt Lake City Los Angeles Los Angeles

$1,307Delta

Mon, 5 Oct - Sun, 18 Oct

10:15 - 12:40SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 25m1 stop Los Angeles Los Angeles

05:30 - 07:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 00m2 stops Salt Lake City Los Angeles Los Angeles

$1,312Delta

Mon, 19 Oct - Mon, 26 Oct

10:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 57m1 stop Los Angeles Los Angeles

15:10 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

23h 50m2 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles

$1,396Qantas Airways

Sun, 18 Oct - Sun, 25 Oct

10:10 - 17:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 40m2 stops Los Angeles Los Angeles Phoenix Sky Harbor Intl

14:26 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 34m2 stops Dallas/Fort Worth Los Angeles Los Angeles

$1,400Qantas Airways

Sun, 18 Oct - Sun, 25 Oct

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

26h 12m1 stop Vancouver Intl

15:15 - 14:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m2 stops Vancouver Intl Brisbane

$1,503Air Canada

Mon, 12 Oct - Sun, 1 Nov

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

26h 12m1 stop Vancouver Intl

15:15 - 14:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m2 stops Vancouver Intl Brisbane

$1,508Air Canada

Mon, 12 Oct - Sun, 1 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

20:45 - 21:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 44m1 stop Honolulu

18:15 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 35m1 stop Honolulu

$1,583Multiple Airlines

Thu, 10 Sep - Wed, 23 Sep

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

20h 08m1 stop Honolulu

16:15 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 35m1 stop Honolulu

$1,620Multiple Airlines

Sun, 6 Sep - Tue, 8 Sep

09:20 - 22:47SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 27m1 stop Vancouver Intl

15:00 - 21:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

37h 25m2 stops Vancouver Intl Brisbane

$1,659Air Canada

Thu, 10 Sep - Wed, 23 Sep

07:00 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 05m2 stops Brisbane Vancouver Intl

19:15 - 21:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 10m2 stops Vancouver Intl Brisbane

$1,710Air Canada

Thu, 10 Sep - Wed, 23 Sep

20:45 - 21:29SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 44m1 stop Honolulu

20:48 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 02m2 stops Los Angeles Los Angeles Honolulu

$1,877Multiple Airlines

Sun, 6 Sep - Tue, 8 Sep

07:10 - 20:39SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 29m3 stops Auckland Intl Papeete Faaa Los Angeles Los Angeles

20:52 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 58m1 stop Honolulu

$2,329Multiple Airlines

Sun, 6 Sep - Tue, 8 Sep

20:35 - 19:40SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

40h 05m3 stops Singapore Changi Kuala Lumpur Intl Taipei City Taiwan Taoyuan Intl

17:59 - 20:10SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

33h 11m2 stops Los Angeles Los Angeles Hong Kong Intl

$2,432Multiple Airlines

Sun, 6 Sep - Tue, 8 Sep

07:10 - 18:33SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

28h 23m3 stops Auckland Intl Papeete Faaa Los Angeles Los Angeles

12:05 - 11:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 45m2 stops San Francisco Nadi

$2,445Multiple Airlines

Thu, 10 Sep - Wed, 23 Sep

07:10 - 15:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 22m3 stops Auckland Intl Papeete Faaa Los Angeles Los Angeles

16:59 - 15:10SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 11m3 stops Los Angeles Los Angeles Papeete Faaa Auckland Intl

$2,507Air Tahiti Nui

Sun, 6 Sep - Tue, 8 Sep

10:15 - 16:00SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

46h 45m3 stops Ho Chi Minh City Bangkok Suvarnabhumi Frankfurt am Main

17:40 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

44h 20m3 stops Frankfurt am Main Bangkok Suvarnabhumi Kuala Lumpur Intl

$4,703Multiple Airlines

Thu, 10 Sep - Wed, 23 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

12 Oct

SYD10:20Sydney Kingsford Smith

26h 12m

1 stop

SEA18:32Seattle/Tacoma Intl

1 Nov

SEA15:15Seattle/Tacoma Intl

28h 25m

2 stops

SYD14:40Sydney Kingsford Smith

$1,503

Air Canada

12 Oct

SYD10:20Sydney Kingsford Smith

26h 12m

1 stop

SEA18:32Seattle/Tacoma Intl

1 Nov

SEA15:15Seattle/Tacoma Intl

28h 25m

2 stops

SYD14:40Sydney Kingsford Smith

$1,508

Air Canada

22 Nov

SYD11:20Sydney Kingsford Smith

26h 02m

1 stop

SEA18:22Seattle/Tacoma Intl

3 Dec

SEA15:15Seattle/Tacoma Intl

20h 40m

1 stop

SYD06:55Sydney Kingsford Smith

$1,519

American Airlines flights from New South Wales to Seattle

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

American Airlines

19 Oct

SYD10:10Sydney Kingsford Smith

24h 38m

2 stops

SEA16:48Seattle/Tacoma Intl

26 Oct

SEA07:10Seattle/Tacoma Intl

31h 50m

1 stop

SYD09:00Sydney Kingsford Smith

$1,284

American Airlines

5 Oct

SYD10:10Sydney Kingsford Smith

20h 57m

1 stop

SEA13:07Seattle/Tacoma Intl

18 Oct

SEA16:37Seattle/Tacoma Intl

21h 28m

1 stop

SYD08:05Sydney Kingsford Smith

$1,293

American Airlines

5 Oct

SYD10:10Sydney Kingsford Smith

23h 54m

2 stops

SEA16:04Seattle/Tacoma Intl

18 Oct

SEA11:44Seattle/Tacoma Intl

26h 21m

2 stops

SYD08:05Sydney Kingsford Smith

$1,300

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 20/10

14:15-18:45

2 stops22h 30m

Seattle/Tacoma Intl

Mon 26/10

20:00-06:25

1 stop40h 25m

$1,241

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Sun 18/10

06:00-08:05

2 stops32h 05m

$1,256

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-16:48

2 stops24h 38m

Seattle/Tacoma Intl

Mon 26/10

07:10-09:00

1 stop31h 50m

$1,284

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Mon 26/10

07:10-09:00

1 stop31h 50m

$1,284

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 5/10

10:15-23:59

2 stops31h 44m

Seattle/Tacoma Intl

Sun 18/10

05:30-07:50

2 stops32h 20m

$1,307

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:15-12:40

1 stop20h 25m

Seattle/Tacoma Intl

Mon 26/10

05:30-07:30

2 stops32h 00m

$1,312

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 18/10

10:10-13:07

1 stop20h 57m

Seattle/Tacoma Intl

Sun 25/10

15:10-09:00

2 stops23h 50m

$1,396

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 18/10

10:10-17:50

2 stops25h 40m

Seattle/Tacoma Intl

Sun 25/10

14:26-09:00

2 stops24h 34m

$1,400

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 12/10

10:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Sun 1/11

15:15-14:40

2 stops28h 25m

$1,503

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 12/10

10:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Sun 1/11

15:15-14:40

2 stops28h 25m

$1,508

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 March is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $1,389. If you are unable to visit Seattle during the month of March, then departing from New South Wales during the month August is also very affordable. Most momondo users find prices during this month for around $1,394.

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 $1,534 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 $949 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	$555
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 $555. The best return flight deal from New South Wales to Seattle found on momondo in the last 72 hours is $1,241.

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 September 2026, there are 6 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
Air Canada	PriceFrom $1,113	Free cancellation	Rating 7.1 11,582 reviews	Search Air Canada flights
Hawaiian Airlines	PriceFrom $1,128	Free cancellation	Rating 7.8 2,814 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $1,166	Free cancellation	Rating 7.8 8,570 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,180	Free cancellation	Rating 7.5 1,089 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,183	Free cancellation	Rating 7.4 10,172 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,226	Free cancellation	Rating 7.1 12,050 reviews	Search American Airlines 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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Spokane Airport

Cheap flights from New South Wales to Seattle from $555

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 20/10. 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

Cheap return flights

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Big names, great deals

Big names, great deals

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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

American Airlines flights from New South Wales to Seattle

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

momondo Fare Finder

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

See travel insights to Seattle from

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

Fly to other destinations from New South Wales

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year