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.

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

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.

$772 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.

11:10 - 21:20SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 10m1 stop Los Angeles

16:30 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 30m1 stop Los Angeles

$1,308American Airlines

Mon, 9 Nov - Mon, 16 Nov

11:10 - 13:00SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 50m1 stop Los Angeles

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

23h 00m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,308American Airlines

Mon, 9 Nov - Mon, 16 Nov

10:15 - 18:52SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

26h 37m2 stops Los Angeles Salt Lake City

07:15 - 07:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 05m2 stops Salt Lake City Los Angeles

$1,314Delta

Mon, 12 Oct - Sun, 25 Oct

10:15 - 14:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 35m2 stops Los Angeles Salt Lake City

14:30 - 07:20SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 50m1 stop Los Angeles

$1,314Delta

Mon, 12 Oct - Sun, 25 Oct

11:10 - 13:00SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 50m1 stop Los Angeles

11:25 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

26h 35m2 stops Phoenix Sky Harbor Intl Los Angeles

$1,371British Airways

Thu, 5 Nov - Thu, 12 Nov

11:10 - 21:35SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

29h 25m1 stop Los Angeles

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

30h 50m1 stop Los Angeles

$1,378British Airways

Thu, 5 Nov - Thu, 12 Nov

18:50 - 22:37SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

21h 47m1 stop Los Angeles

16:59 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

21h 01m1 stop Los Angeles

$1,399Qantas Airways

Fri, 23 Oct - Sat, 7 Nov

11:10 - 14:12SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

22h 02m1 stop Los Angeles

15:59 - 09:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

22h 01m1 stop Los Angeles

$1,409Qantas Airways

Sat, 7 Nov - Sat, 14 Nov

11:50 - 18:57SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

25h 07m2 stops San Francisco Denver Intl

08:30 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

27h 30m2 stops Denver Intl Houston George Bush Intcntl

$1,577United Airlines

Sun, 1 Nov - Wed, 11 Nov

10:55 - 11:14SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

18h 19m1 stop Los Angeles

23:59 - 07:00SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

36h 01m1 stop Houston George Bush Intcntl

$1,654United Airlines

Sat, 31 Oct - Fri, 6 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

09:20 - 07:06SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

38h 46m1 stop Vancouver Intl

19:05 - 09:35SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

19h 30m1 stop Vancouver Intl

$1,516Multiple Airlines

Tue, 29 Sep - Tue, 10 Nov

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

30h 27m1 stop Vancouver Intl

19:05 - 22:25SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

32h 20m2 stops Vancouver Intl Brisbane

$1,634Multiple Airlines

Tue, 29 Sep - Tue, 10 Nov

10:15 - 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

$1,778Philippine Airlines

Tue, 29 Sep - Sun, 4 Oct

09:20 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

17h 45m1 stop Vancouver Intl

10:50 - 12:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

31h 50m2 stops Vancouver Intl Brisbane

$2,497Air Canada

Wed, 30 Sep - Sun, 11 Oct

09:30 - 23:26SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

30h 56m3 stops Los Angeles Denver Intl San Francisco

07:00 - 07:55SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

30h 55m1 stop San Francisco

$2,763United Airlines

Tue, 29 Sep - Sun, 4 Oct

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

22h 35m2 stops Los Angeles Salt Lake City

17:40 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 10m1 stop Los Angeles

$2,778Delta

Mon, 28 Sep - Sun, 4 Oct

09:15 - 16:50SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

24h 35m2 stops Los Angeles Salt Lake City

17:45 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

20h 05m1 stop Los Angeles

$2,778Delta

Wed, 30 Sep - Thu, 8 Oct

09:15 - 12:27SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 12m1 stop Los Angeles

09:45 - 07:50SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

28h 05m1 stop Los Angeles

$2,778Delta

Wed, 30 Sep - Sun, 11 Oct

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

20h 05m2 stops Brisbane Vancouver Intl

05:50 - 07:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

55h 50m2 stops Vancouver Intl Brisbane

$3,407Air Canada

Wed, 30 Sep - Sun, 4 Oct

06:30 - 10:05SYD Sydney Kingsford Smith-SEA Seattle/Tacoma Intl

20h 35m2 stops Brisbane Vancouver Intl

05:50 - 07:40SEA Seattle/Tacoma Intl-SYD Sydney Kingsford Smith

55h 50m2 stops Vancouver Intl Brisbane

$3,407Air Canada

Thu, 1 Oct - Sun, 4 Oct

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Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets

Delta

12 Oct

SYD10:15Sydney Kingsford Smith

22h 35m

2 stops

SEA14:50Seattle/Tacoma Intl

25 Oct

SEA14:30Seattle/Tacoma Intl

22h 50m

1 stop

SYD07:20Sydney Kingsford Smith

$1,314

Delta

8 Oct

SYD10:15Sydney Kingsford Smith

28h 12m

1 stop

SEA20:27Seattle/Tacoma Intl

21 Oct

SEA09:45Seattle/Tacoma Intl

28h 05m

1 stop

SYD07:50Sydney Kingsford Smith

$1,321

Delta

19 Oct

SYD10:15Sydney Kingsford Smith

20h 25m

1 stop

SEA12:40Seattle/Tacoma Intl

26 Oct

SEA05:30Seattle/Tacoma Intl

31h 50m

2 stops

SYD07:20Sydney Kingsford Smith

$1,333

Air New Zealand flights from New South Wales to Seattle

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

Air New Zealand

24 Oct

SYD07:50Sydney Kingsford Smith

32h 57m

2 stops

SEA22:47Seattle/Tacoma Intl

30 Oct

SEA17:23Seattle/Tacoma Intl

21h 12m

2 stops

SYD08:35Sydney Kingsford Smith

$1,807

Air New Zealand

15 Nov

SYD07:30Sydney Kingsford Smith

33h 20m

2 stops

SEA21:50Seattle/Tacoma Intl

21 Nov

SEA15:15Seattle/Tacoma Intl

22h 20m

2 stops

SYD08:35Sydney Kingsford Smith

$1,858

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 9/11

11:10-21:20

1 stop29h 10m

Seattle/Tacoma Intl

Mon 16/11

16:30-09:00

1 stop21h 30m

$1,308

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 9/11

11:10-13:00

1 stop20h 50m

Seattle/Tacoma Intl

Mon 16/11

15:00-09:00

2 stops23h 00m

$1,308

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 12/10

10:15-18:52

2 stops26h 37m

Seattle/Tacoma Intl

Sun 25/10

07:15-07:20

2 stops30h 05m

$1,314

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 12/10

10:15-14:50

2 stops22h 35m

Seattle/Tacoma Intl

Sun 25/10

14:30-07:20

1 stop22h 50m

$1,314

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 5/11

11:10-13:00

1 stop20h 50m

Seattle/Tacoma Intl

Thu 12/11

11:25-09:00

2 stops26h 35m

$1,371

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 5/11

11:10-21:35

1 stop29h 25m

Seattle/Tacoma Intl

Thu 12/11

07:10-09:00

1 stop30h 50m

$1,378

Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 23/10

18:50-22:37

1 stop21h 47m

Seattle/Tacoma Intl

Sat 7/11

16:59-09:00

1 stop21h 01m

$1,399

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 7/11

11:10-14:12

1 stop22h 02m

Seattle/Tacoma Intl

Sat 14/11

15:59-09:00

1 stop22h 01m

$1,409

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sun 1/11

11:50-18:57

2 stops25h 07m

Seattle/Tacoma Intl

Wed 11/11

08:30-07:00

2 stops27h 30m

$1,577

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Sat 31/10

10:55-11:14

1 stop18h 19m

Seattle/Tacoma Intl

Fri 6/11

23:59-07:00

1 stop36h 01m

$1,654

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 $1,427. 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 $1,434.

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 $1,580 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 $1,466 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	$772
Fastest flight time	24h 30m
Direct flights	None

The best one-way flight to Seattle from New South Wales in the past 72 hours is $772. The best return flight deal from New South Wales to Seattle found on momondo in the last 72 hours is $1,308.

The fastest flight from New South Wales to Seattle takes 24h 30m

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
Hawaiian Airlines	PriceFrom $1,166	Free cancellation	Rating 7.8 2,809 reviews	Search Hawaiian Airlines flights
Air Canada	PriceFrom $1,185	Free cancellation	Rating 7.1 11,694 reviews	Search Air Canada flights
United Airlines	PriceFrom $1,223	Free cancellation	Rating 7.4 10,248 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,255	Free cancellation	Rating 7.0 12,103 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $1,274	Free cancellation	Rating 7.5 1,102 reviews	Search Qantas Airways flights
Delta	PriceFrom $1,370	Free cancellation	Rating 7.8 8,609 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.

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Cheap flights from New South Wales to Seattle from $772

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 20/1. 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

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Big names, great deals

Big names, great deals

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Filter for what you want

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Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets

Air New Zealand flights from New South Wales to Seattle

Our best Air New Zealand 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

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According to popular flight searches on momondo this year

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