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

American Airlines 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 33% 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.

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 March 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.

$791 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.

13:15 - 18:40

SYD

SEA

22h 25m

2 stops

18:14 - 12:05

SEA

SYD

24h 51m

2 stops

$1,379Multiple Airlines

Fri, 1 May - Mon, 18 May

13:15 - 19:53

SYD

SEA

23h 38m

2 stops

17:06 - 11:50

SEA

SYD

25h 44m

2 stops

$1,382Multiple Airlines

Fri, 24 Apr - Sat, 9 May

13:15 - 19:16

SYD

SEA

23h 01m

2 stops

17:00 - 12:05

SEA

SYD

26h 05m

2 stops

$1,392Multiple Airlines

Mon, 1 Jun - Mon, 8 Jun

13:15 - 20:50

SYD

SEA

24h 35m

2 stops

17:31 - 22:10

SEA

SYD

35h 39m

2 stops

$1,400Multiple Airlines

Sat, 9 May - Sat, 16 May

13:15 - 21:07

SYD

SEA

24h 52m

2 stops

18:07 - 11:50

SEA

SYD

24h 43m

2 stops

$1,403Multiple Airlines

Thu, 4 Jun - Sat, 4 Jul

17:50 - 22:58

SYD

SEA

22h 08m

1 stop

17:06 - 07:05

SEA

SYD

20h 59m

1 stop

$1,420Qantas Airways

Tue, 21 Apr - Wed, 6 May

20:15 - 10:41

SYD

SEA

31h 26m

2 stops

10:00 - 07:05

SEA

SYD

28h 05m

1 stop

$1,424American Airlines

Thu, 16 Apr - Tue, 28 Apr

09:10 - 09:17

SYD

SEA

41h 07m

2 stops

11:11 - 07:05

SEA

SYD

26h 54m

2 stops

$1,432American Airlines

Mon, 27 Apr - Sun, 10 May

09:20 - 09:38

SYD

SEA

17h 18m

1 stop

10:45 - 07:20

SEA

SYD

27h 35m

1 stop

$1,442Air Canada

Mon, 27 Apr - Sun, 10 May

06:00 - 18:40

SYD

SEA

29h 40m

2 stops

07:00 - 11:50

SEA

SYD

35h 50m

2 stops

$1,461Multiple Airlines

Fri, 8 May - Fri, 15 May

Qantas Airways flights from New South Wales to Seattle

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

Qantas Airways

21 Apr

SYD17:50Sydney Kingsford Smith

22h 08m

1 stop

SEA22:58Seattle/Tacoma Intl

6 May

SEA17:06Seattle/Tacoma Intl

20h 59m

1 stop

SYD07:05Sydney Kingsford Smith

$1,420

Qantas Airways

7 May

SYD17:50Sydney Kingsford Smith

19h 03m

1 stop

SEA19:53Seattle/Tacoma Intl

14 May

SEA18:40Seattle/Tacoma Intl

19h 25m

1 stop

SYD07:05Sydney Kingsford Smith

$1,472

Qantas Airways

29 Apr

SYD09:10Sydney Kingsford Smith

27h 43m

1 stop

SEA19:53Seattle/Tacoma Intl

3 June

SEA16:28Seattle/Tacoma Intl

21h 37m

1 stop

SYD07:05Sydney Kingsford Smith

$1,532

American Airlines flights from New South Wales to Seattle

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

American Airlines

16 Apr

SYD20:15Sydney Kingsford Smith

31h 26m

2 stops

SEA10:41Seattle/Tacoma Intl

28 Apr

SEA10:00Seattle/Tacoma Intl

28h 05m

1 stop

SYD07:05Sydney Kingsford Smith

$1,424

American Airlines

27 Apr

SYD09:10Sydney Kingsford Smith

41h 07m

2 stops

SEA09:17Seattle/Tacoma Intl

10 May

SEA11:11Seattle/Tacoma Intl

26h 54m

2 stops

SYD07:05Sydney Kingsford Smith

$1,432

American Airlines

7 May

SYD09:10Sydney Kingsford Smith

25h 39m

2 stops

SEA17:49Seattle/Tacoma Intl

14 May

SEA11:41Seattle/Tacoma Intl

26h 24m

2 stops

SYD07:05Sydney Kingsford Smith

$1,484

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 1/5

13:15-18:40

2 stops22h 25m

Seattle/Tacoma Intl

Mon 18/5

18:14-12:05

2 stops24h 51m

$1,379

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 24/4

13:15-19:53

2 stops23h 38m

Seattle/Tacoma Intl

Sat 9/5

17:06-11:50

2 stops25h 44m

$1,382

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 1/6

13:15-19:16

2 stops23h 01m

Seattle/Tacoma Intl

Mon 8/6

17:00-12:05

2 stops26h 05m

$1,392

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 9/5

13:15-20:50

2 stops24h 35m

Seattle/Tacoma Intl

Sat 16/5

17:31-22:10

2 stops35h 39m

$1,400

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 4/6

13:15-21:07

2 stops24h 52m

Seattle/Tacoma Intl

Sat 4/7

18:07-11:50

2 stops24h 43m

$1,402

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 21/4

17:50-22:58

1 stop22h 08m

Seattle/Tacoma Intl

Wed 6/5

17:06-07:05

1 stop20h 59m

$1,420

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 16/4

20:15-10:41

2 stops31h 26m

Seattle/Tacoma Intl

Tue 28/4

10:00-07:05

1 stop28h 05m

$1,424

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/4

09:10-09:17

2 stops41h 07m

Seattle/Tacoma Intl

Sun 10/5

11:11-07:05

2 stops26h 54m

$1,432

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/4

09:20-09:38

1 stop17h 18m

Seattle/Tacoma Intl

Sun 10/5

10:45-07:20

1 stop27h 35m

$1,442

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 8/5

06:00-18:40

2 stops29h 40m

Seattle/Tacoma Intl

Fri 15/5

07:00-11:50

2 stops35h 50m

$1,461

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 $1,299. 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 $1,339.

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 $1,538 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 $1,283 on momondo.

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

You could potentially save up to 21% 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	20h 52m
Direct flights	None

The fastest flight from New South Wales to Seattle takes 20h 52m

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 March 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 $705	Free cancellation	Rating 7.9 8,357 reviews	Search Delta flights
Air Canada	PriceFrom $1,085	Free cancellation	Rating 7.1 10,853 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,091	Free cancellation	Rating 7.6 449 reviews	Search Virgin Australia flights
Alaska Airlines	PriceFrom $1,137	Free cancellation	Rating 7.9 12,133 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,153	Free cancellation	Rating 7.4 9,499 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,162	Free cancellation	Rating 7.5 1,013 reviews	Search Qantas Airways flights
Hawaiian Airlines	PriceFrom $1,177	Free cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $1,280	Free cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
ANA	PriceFrom $1,331	Free cancellation	Rating 8.4 1,148 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,408	Free cancellation	Rating 8.1 507 reviews	Search Asiana 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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Cheap flights from New South Wales to Seattle from $791

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 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

American Airlines flights from New South Wales to Seattle

Our best American 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?

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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