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 52% 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.

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

United Airlines and Delta 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 October 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.

$622 Cheap Flights from New South Wales to Seattle in 2026/27

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.

10:40 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 25m1 stop Los Angeles

07:15 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 15m1 stop Los Angeles

$1,063Delta

Thu, 19 Nov - Mon, 30 Nov

10:40 - 23:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

32h 19m2 stops Los Angeles Salt Lake City

12:31 - 08:30SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 59m1 stop Los Angeles

$1,063Delta

Thu, 19 Nov - Mon, 30 Nov

11:50 - 17:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 07m2 stops San Francisco Denver Intl

18:30 - 09:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 35m1 stop Los Angeles

$1,065United Airlines

Tue, 17 Nov - Tue, 24 Nov

10:55 - 17:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 02m2 stops Los Angeles Denver Intl

12:45 - 09:05SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

25h 20m2 stops Denver Intl Los Angeles

$1,134United Airlines

Mon, 2 Nov - Fri, 6 Nov

11:10 - 13:07SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

19h 57m1 stop Los Angeles

13:35 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 25m1 stop Los Angeles

$1,321American Airlines

Tue, 27 Oct - Wed, 11 Nov

11:10 - 22:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 27m1 stop Los Angeles

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

23h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,321American Airlines

Tue, 27 Oct - Wed, 11 Nov

11:15 - 10:58SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 43m1 stop Los Angeles

15:59 - 06:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 26m1 stop San Francisco

$1,463Qantas Airways

Fri, 22 Jan - Fri, 29 Jan

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

18h 00m1 stop San Francisco

15:59 - 06:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 26m1 stop Los Angeles

$1,509Qantas Airways

Wed, 28 Oct - Wed, 4 Nov

11:20 - 15:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 17m1 stop Vancouver Intl

10:10 - 09:35SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 25m1 stop Vancouver Intl

$1,602Air Canada

Sun, 1 Nov - Thu, 5 Nov

08:00 - 14:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 37m2 stops Brisbane Vancouver Intl

08:40 - 09:35SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

29h 55m1 stop Vancouver Intl

$1,658Air Canada

Sat, 31 Oct - Wed, 4 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

11:20 - 12:18SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 58m1 stop San Francisco

13:19 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

24h 36m1 stop San Francisco

$1,045Lufthansa

Mon, 5 Oct - Sun, 18 Oct

10:30 - 17:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 07m2 stops Los Angeles Denver Intl

15:18 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 37m1 stop San Francisco

$1,060United Airlines

Mon, 5 Oct - Sun, 18 Oct

10:30 - 21:59SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 29m1 stop Los Angeles

19:25 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

18h 30m1 stop San Francisco

$1,060United Airlines

Mon, 5 Oct - Sun, 18 Oct

10:15 - 18:36SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 21m2 stops Los Angeles Salt Lake City

11:05 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 45m2 stops Salt Lake City Los Angeles

$1,671Delta

Mon, 5 Oct - Sun, 18 Oct

11:15 - 20:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 50m1 stop Manila Ninoy Aquino Intl

23:10 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

39h 50m1 stop Manila Ninoy Aquino Intl

$2,249Philippine Airlines

Sun, 4 Oct - Tue, 6 Oct

20:45 - 23:32SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 47m1 stop Honolulu

20:45 - 18:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 05m2 stops Los Angeles Honolulu

$2,562Multiple Airlines

Sun, 4 Oct - Tue, 6 Oct

13:00 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

63h 05m2 stops Brisbane Hong Kong Intl

13:28 - 12:45SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

53h 17m2 stops Vancouver Intl Hong Kong Intl

$2,750Cathay Pacific

Sun, 4 Oct - Tue, 6 Oct

10:50 - 16:10SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

47h 20m2 stops Bangkok Suvarnabhumi Frankfurt am Main

18:05 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

44h 55m3 stops Frankfurt am Main Bangkok Suvarnabhumi Manila Ninoy Aquino Intl

$4,031Multiple Airlines

Sun, 4 Oct - Tue, 6 Oct

22:15 - 16:10SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

35h 55m3 stops Kuala Lumpur Intl Singapore Changi Taipei City Taiwan Taoyuan Intl

01:15 - 06:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

35h 40m3 stops Taipei City Taiwan Taoyuan Intl Singapore Changi Kuala Lumpur Intl

$4,225Multiple Airlines

Sun, 4 Oct - Mon, 5 Oct

15:35 - 20:15SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

46h 40m3 stops Singapore Changi London Heathrow Chicago O'Hare Intl

20:20 - 06:45SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

40h 25m2 stops London Heathrow Singapore Changi

$10,208British Airways

Mon, 5 Oct - Sun, 18 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from New South Wales to Seattle

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

American Airlines

27 Oct

SYD11:10Sydney Kingsford Smith

29h 27m

1 stop

SEA22:37Seattle/Tacoma Intl

11 Nov

SEA15:00Seattle/Tacoma Intl

23h 00m

2 stops

SYD09:00Sydney Kingsford Smith

$1,321

American Airlines

19 Nov

SYD11:15Sydney Kingsford Smith

21h 39m

2 stops

SEA13:54Seattle/Tacoma Intl

30 Nov

SEA16:40Seattle/Tacoma Intl

22h 40m

2 stops

SYD10:20Sydney Kingsford Smith

$1,454

American Airlines

22 Oct

SYD13:00Sydney Kingsford Smith

21h 48m

1 stop

SEA16:48Seattle/Tacoma Intl

26 Oct

SEA07:10Seattle/Tacoma Intl

31h 50m

1 stop

SYD09:00Sydney Kingsford Smith

$1,458

Qantas Airways flights from New South Wales to Seattle

Our best Qantas Airways deals on New South Wales to Seattle flight tickets

Qantas Airways

22 Jan

SYD11:15Sydney Kingsford Smith

18h 43m

1 stop

SEA10:58Seattle/Tacoma Intl

29 Jan

SEA15:59Seattle/Tacoma Intl

19h 26m

1 stop

SYD06:25Sydney Kingsford Smith

$1,463

Qantas Airways

28 Oct

SYD21:25Sydney Kingsford Smith

18h 00m

1 stop

SEA21:25Seattle/Tacoma Intl

4 Nov

SEA15:59Seattle/Tacoma Intl

19h 26m

1 stop

SYD06:25Sydney Kingsford Smith

$1,509

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 19/11

10:40-10:05

1 stop18h 25m

Seattle/Tacoma Intl

Mon 30/11

07:15-08:30

1 stop30h 15m

$1,063

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 19/11

10:40-23:59

2 stops32h 19m

Seattle/Tacoma Intl

Mon 30/11

12:31-08:30

1 stop24h 59m

$1,063

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 17/11

11:50-17:57

2 stops25h 07m

Seattle/Tacoma Intl

Tue 24/11

18:30-09:05

1 stop19h 35m

$1,065

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 2/11

10:55-17:57

2 stops26h 02m

Seattle/Tacoma Intl

Fri 6/11

12:45-09:05

2 stops25h 20m

$1,134

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 27/10

11:10-13:07

1 stop19h 57m

Seattle/Tacoma Intl

Wed 11/11

13:35-09:00

1 stop24h 25m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 27/10

11:10-22:37

1 stop29h 27m

Seattle/Tacoma Intl

Wed 11/11

15:00-09:00

2 stops23h 00m

$1,321

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 22/1

11:15-10:58

1 stop18h 43m

Seattle/Tacoma Intl

Fri 29/1

15:59-06:25

1 stop19h 26m

$1,463

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 28/10

21:25-21:25

1 stop18h 00m

Seattle/Tacoma Intl

Wed 4/11

15:59-06:25

1 stop19h 26m

$1,509

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 1/11

11:20-15:37

1 stop22h 17m

Seattle/Tacoma Intl

Thu 5/11

10:10-09:35

1 stop28h 25m

$1,602

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 31/10

08:00-14:37

2 stops24h 37m

Seattle/Tacoma Intl

Wed 4/11

08:40-09:35

1 stop29h 55m

$1,658

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 $1,440. 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 $1,447.

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 $1,601 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 $1,480 on momondo.

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

You could potentially save up to 10% 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	$622
Fastest flight time	20h 29m
Direct flights	None

The best one-way flight to Seattle from New South Wales in the past 72 hours is $622. The best return flight deal from New South Wales to Seattle found on momondo in the last 72 hours is $1,063.

The fastest flight from New South Wales to Seattle takes 20h 29m

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 October 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
Hawaiian Airlines	PriceFrom $1,177	Free cancellation	Rating 7.8 2,807 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,225	Free cancellation	Rating 7.1 11,716 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,266	Free cancellation	Rating 7.0 12,132 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,320	Free cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $1,340	Free cancellation	Rating 7.4 10,285 reviews	Search United Airlines flights
Delta	PriceFrom $1,352	Free cancellation	Rating 7.8 8,626 reviews	Search Delta 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Mon 2/11

Mon 9/11

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from New South Wales

Complete your trip

Feeling lucky

Airports servicing Washington

Spokane Airport

Cheap flights from New South Wales to Seattle from $622

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 21/1. 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

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

American Airlines flights from New South Wales to Seattle

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

Qantas Airways flights from New South Wales to Seattle

Our best Qantas Airways 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

Complete your trip to Seattle

Explore popular destinations other users love

According to popular flight searches on momondo this year