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 36% 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?

Delta and United Airlines 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 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.

$778 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

17:06 - 11:50

SEA

SYD

25h 44m

2 stops

$1,275Multiple Airlines

Sat, 25 Apr - Sat, 2 May

09:10 - 16:44

SYD

SEA

24h 34m

2 stops

06:20 - 07:05

SEA

SYD

31h 45m

2 stops

$1,310American Airlines

Wed, 3 Jun - Sun, 28 Jun

17:50 - 21:59

SYD

SEA

21h 09m

1 stop

07:00 - 07:05

SEA

SYD

31h 05m

1 stop

$1,321American Airlines

Wed, 3 Jun - Sun, 28 Jun

09:10 - 20:13

SYD

SEA

28h 03m

2 stops

10:00 - 07:05

SEA

SYD

28h 05m

1 stop

$1,324American Airlines

Thu, 23 Apr - Wed, 6 May

10:15 - 20:05

SYD

SEA

26h 50m

1 stop

23:10 - 08:00

SEA

SYD

39h 50m

1 stop

$1,325Philippine Airlines

Tue, 1 Sep - Wed, 9 Sep

09:10 - 17:49

SYD

SEA

25h 39m

2 stops

18:40 - 07:05

SEA

SYD

19h 25m

1 stop

$1,329American Airlines

Mon, 27 Apr - Mon, 4 May

09:10 - 17:49

SYD

SEA

25h 39m

2 stops

18:40 - 07:05

SEA

SYD

19h 25m

1 stop

$1,331British Airways

Mon, 27 Apr - Mon, 4 May

09:10 - 18:07

SYD

SEA

25h 57m

1 stop

18:40 - 07:05

SEA

SYD

19h 25m

1 stop

$1,334British Airways

Mon, 27 Apr - Mon, 4 May

10:20 - 10:43

SYD

SEA

17h 23m

1 stop

23:52 - 06:55

SEA

SYD

38h 03m

2 stops

$1,351United Airlines

Mon, 18 May - Sun, 24 May

06:00 - 19:53

SYD

SEA

30h 53m

2 stops

13:00 - 22:10

SEA

SYD

40h 10m

2 stops

$1,361Multiple Airlines

Sat, 25 Apr - Sat, 2 May

United Airlines flights from New South Wales to Seattle

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

United Airlines

18 May

SYD10:20Sydney Kingsford Smith

17h 23m

1 stop

SEA10:43Seattle/Tacoma Intl

24 May

SEA23:52Seattle/Tacoma Intl

38h 03m

2 stops

SYD06:55Sydney Kingsford Smith

$1,351

United Airlines

22 Mar

SYD10:20Sydney Kingsford Smith

28h 54m

2 stops

SEA21:14Seattle/Tacoma Intl

28 Mar

SEA14:15Seattle/Tacoma Intl

47h 45m

2 stops

SYD08:00Sydney Kingsford Smith

$2,599

Air Canada flights from New South Wales to Seattle

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

Air Canada

15 Apr

SYD09:20Sydney Kingsford Smith

17h 18m

1 stop

SEA09:38Seattle/Tacoma Intl

19 Apr

SEA05:40Seattle/Tacoma Intl

32h 40m

1 stop

SYD07:20Sydney Kingsford Smith

$1,541

Air Canada

15 Apr

SYD09:20Sydney Kingsford Smith

27h 00m

1 stop

SEA19:20Seattle/Tacoma Intl

24 Apr

SEA15:40Seattle/Tacoma Intl

22h 40m

1 stop

SYD07:20Sydney Kingsford Smith

$1,558

Air Canada

18 May

SYD09:20Sydney Kingsford Smith

17h 30m

1 stop

SEA09:50Seattle/Tacoma Intl

24 May

SEA10:30Seattle/Tacoma Intl

27h 50m

1 stop

SYD07:20Sydney Kingsford Smith

$1,560

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 25/4

13:15-18:40

2 stops22h 25m

Seattle/Tacoma Intl

Sat 2/5

17:06-11:50

2 stops25h 44m

$1,275

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/6

09:10-16:44

2 stops24h 34m

Seattle/Tacoma Intl

Sun 28/6

06:20-07:05

2 stops31h 45m

$1,310

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/6

17:50-21:59

1 stop21h 09m

Seattle/Tacoma Intl

Sun 28/6

07:00-07:05

1 stop31h 05m

$1,321

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/4

09:10-20:13

2 stops28h 03m

Seattle/Tacoma Intl

Wed 6/5

10:00-07:05

1 stop28h 05m

$1,324

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 1/9

10:15-20:05

1 stop26h 50m

Seattle/Tacoma Intl

Wed 9/9

23:10-08:00

1 stop39h 50m

$1,325

Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/4

09:10-17:49

2 stops25h 39m

Seattle/Tacoma Intl

Mon 4/5

18:40-07:05

1 stop19h 25m

$1,329

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/4

09:10-17:49

2 stops25h 39m

Seattle/Tacoma Intl

Mon 4/5

18:40-07:05

1 stop19h 25m

$1,331

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/4

09:10-18:07

1 stop25h 57m

Seattle/Tacoma Intl

Mon 4/5

18:40-07:05

1 stop19h 25m

$1,334

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 18/5

10:20-10:43

1 stop17h 23m

Seattle/Tacoma Intl

Sun 24/5

23:52-06:55

2 stops38h 03m

$1,351

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 25/4

06:00-19:53

2 stops30h 53m

Seattle/Tacoma Intl

Sat 2/5

13:00-22:10

2 stops40h 10m

$1,361

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 $1,273. 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 $1,311.

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 $1,506 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 $1,257 on momondo.

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

You could potentially save up to 15% 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	17h 23m
Direct flights	None

The fastest flight from New South Wales to Seattle takes 17h 23m

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 $690	Free cancellation	Rating 7.9 8,294 reviews	Search Delta flights
Virgin Australia	PriceFrom $1,068	Free cancellation	Rating 7.5 447 reviews	Search Virgin Australia flights
Air Canada	PriceFrom $1,078	Free cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
Alaska Airlines	PriceFrom $1,113	Free cancellation	Rating 8.0 12,044 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $1,129	Free cancellation	Rating 7.4 9,427 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $1,153	Free cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
Qantas Airways	PriceFrom $1,178	Free cancellation	Rating 7.5 1,004 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,253	Free cancellation	Rating 7.1 11,467 reviews	Search American Airlines flights
ANA	PriceFrom $1,303	Free cancellation	Rating 8.4 1,127 reviews	Search ANA flights
Asiana Airlines	PriceFrom $1,379	Free cancellation	Rating 8.1 506 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 $778

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 29/7. 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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United Airlines flights from New South Wales to Seattle

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

Air Canada flights from New South Wales to Seattle

Our best Air Canada 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

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List of cabin classes available on flights landing in Seattle. Availability may vary depending on flight origin and airline.

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