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 39% 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 New South Wales to Seattle/Tacoma Intl?

Qantas Airways and Fiji Airways 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 February 2026, there are 10 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.

$761 Cheap Flights from New South Wales to Seattle in 2026

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Find the cheapest flights from New South Wales to Seattle

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

14:00 - 22:42

SYD

SEA

26h 42m

2 stops

17:59 - 22:25

SEA

SYD

34h 26m

2 stops

$1,112Multiple Airlines

Wed, 18 Mar - Tue, 31 Mar

14:00 - 18:57

SYD

SEA

22h 57m

2 stops

17:59 - 12:50

SEA

SYD

24h 51m

2 stops

$1,170Multiple Airlines

Tue, 17 Mar - Wed, 1 Apr

10:20 - 22:57

SYD

SEA

30h 37m

1 stop

15:40 - 08:20

SEA

SYD

22h 40m

1 stop

$1,240Air Canada

Tue, 17 Mar - Wed, 1 Apr

09:20 - 09:17

SYD

SEA

16h 57m

1 stop

05:40 - 07:20

SEA

SYD

32h 40m

1 stop

$1,247Air Canada

Mon, 17 Aug - Wed, 2 Sep

09:20 - 09:35

SYD

SEA

17h 15m

1 stop

15:00 - 07:20

SEA

SYD

23h 20m

1 stop

$1,249Air Canada

Tue, 28 Apr - Wed, 20 May

14:00 - 18:51

SYD

SEA

22h 51m

2 stops

07:40 - 12:50

SEA

SYD

35h 10m

2 stops

$1,257Multiple Airlines

Wed, 18 Mar - Thu, 2 Apr

09:20 - 18:30

SYD

SEA

26h 10m

1 stop

19:20 - 07:20

SEA

SYD

19h 00m

1 stop

$1,262Air Canada

Fri, 1 May - Fri, 22 May

06:30 - 09:35

SYD

SEA

20h 05m

2 stops

19:20 - 07:20

SEA

SYD

19h 00m

1 stop

$1,272Air Canada

Tue, 28 Apr - Mon, 25 May

09:20 - 19:20

SYD

SEA

27h 00m

1 stop

10:20 - 07:20

SEA

SYD

28h 00m

1 stop

$1,276Air Canada

Sat, 18 Apr - Thu, 23 Apr

11:20 - 22:42

SYD

SEA

29h 22m

1 stop

06:00 - 08:05

SEA

SYD

32h 05m

1 stop

$1,279American Airlines

Wed, 18 Mar - Tue, 31 Mar

Qantas Airways flights from New South Wales to Seattle

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

Qantas Airways

18 Mar

SYD11:20Sydney Kingsford Smith

22h 22m

1 stop

SEA15:42Seattle/Tacoma Intl

17 Apr

SEA18:59Seattle/Tacoma Intl

19h 31m

1 stop

SYD07:30Sydney Kingsford Smith

$1,349

Qantas Airways

18 Mar

SYD11:20Sydney Kingsford Smith

25h 33m

1 stop

SEA18:53Seattle/Tacoma Intl

17 Apr

SEA18:40Seattle/Tacoma Intl

19h 50m

1 stop

SYD07:30Sydney Kingsford Smith

$1,351

Qantas Airways

18 Mar

SYD17:45Sydney Kingsford Smith

19h 06m

1 stop

SEA18:51Seattle/Tacoma Intl

17 Apr

SEA18:59Seattle/Tacoma Intl

19h 31m

1 stop

SYD07:30Sydney Kingsford Smith

$1,353

United Airlines flights from New South Wales to Seattle

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

United Airlines

19 Aug

SYD09:30Sydney Kingsford Smith

28h 42m

2 stops

SEA21:12Seattle/Tacoma Intl

31 Aug

SEA17:33Seattle/Tacoma Intl

20h 22m

1 stop

SYD06:55Sydney Kingsford Smith

$1,317

United Airlines

12 July

SYD09:30Sydney Kingsford Smith

28h 40m

2 stops

SEA21:10Seattle/Tacoma Intl

28 July

SEA19:32Seattle/Tacoma Intl

18h 23m

1 stop

SYD06:55Sydney Kingsford Smith

$1,354

United Airlines

15 Aug

SYD10:20Sydney Kingsford Smith

25h 13m

1 stop

SEA18:33Seattle/Tacoma Intl

1 Sept

SEA19:32Seattle/Tacoma Intl

18h 23m

1 stop

SYD06:55Sydney Kingsford Smith

$1,367

Fly from

Fly to

Route

Depart

Return

Price

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

14:00-22:42

2 stops26h 42m

Seattle/Tacoma Intl

Tue 31/3

17:59-22:25

2 stops34h 26m

$1,112

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 17/3

14:00-18:57

2 stops22h 57m

Seattle/Tacoma Intl

Wed 1/4

17:59-12:50

2 stops24h 51m

$1,170

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 17/3

10:20-22:57

1 stop30h 37m

Seattle/Tacoma Intl

Wed 1/4

15:40-08:20

1 stop22h 40m

$1,240

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 17/8

09:20-09:17

1 stop16h 57m

Seattle/Tacoma Intl

Wed 2/9

05:40-07:20

1 stop32h 40m

$1,247

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 28/4

09:20-09:35

1 stop17h 15m

Seattle/Tacoma Intl

Wed 20/5

15:00-07:20

1 stop23h 20m

$1,249

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

14:00-18:51

2 stops22h 51m

Seattle/Tacoma Intl

Thu 2/4

07:40-12:50

2 stops35h 10m

$1,257

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 1/5

09:20-18:30

1 stop26h 10m

Seattle/Tacoma Intl

Fri 22/5

19:20-07:20

1 stop19h 00m

$1,262

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 28/4

06:30-09:35

2 stops20h 05m

Seattle/Tacoma Intl

Mon 25/5

19:20-07:20

1 stop19h 00m

$1,272

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 18/4

09:20-19:20

1 stop27h 00m

Seattle/Tacoma Intl

Thu 23/4

10:20-07:20

1 stop28h 00m

$1,276

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

11:20-22:42

1 stop29h 22m

Seattle/Tacoma Intl

Tue 31/3

06:00-08:05

1 stop32h 05m

$1,279

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 $1,269. If you are unable to visit Seattle during the month of August, then departing from New South Wales during the month September is also very affordable. Most momondo users find prices during this month for around $1,312.

How far in advance should I book a flight 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 $1,515 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 $1,295 on momondo.

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

You could potentially save up to 2% 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

Fastest flight time	18h 08m
Direct flights	None

The fastest flight from New South Wales to Seattle takes 18h 08m

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

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 February 2026, there are 10 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
Delta	PriceFrom $687	Free cancellation	Rating 7.9 8,235 reviews	Search Delta flights
Virgin Australia	PriceFrom $1,065	Free cancellation	Rating 7.5 441 reviews	Search Virgin Australia flights
Air Canada	PriceFrom $1,083	Free cancellation	Rating 7.1 10,735 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $1,109	Free cancellation	Rating 8.0 11,922 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,125	Free cancellation	Rating 7.4 9,339 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $1,160	Free cancellation	Rating 7.8 2,835 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,173	Free cancellation	Rating 7.5 996 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,198	Free cancellation	Rating 7.2 11,336 reviews	Search American Airlines flights
Asiana Airlines	PriceFrom $1,374	Free cancellation	Rating 8.1 504 reviews	Search Asiana Airlines flights
ANA	PriceFrom $1,504	Free cancellation	Rating 8.4 1,098 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 $790

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 28/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

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Cheap return flights

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Qantas Airways flights from New South Wales to Seattle

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

United Airlines flights from New South Wales to Seattle

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

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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 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

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

Fastest flight time

Direct flights

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?

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

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

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

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

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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