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Cheap flights from New South Wales to Seattle from $856

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 26/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from New South Wales to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:00 - 09:25
SYD
-
SEA
38h 25m
1 stop
American Airlines Logo
07:10 - 07:05
SEA
-
SYD
30h 55m
1 stop
$1,353American Airlines
Mon, 7 Sep - Wed, 23 Sep
United Airlines Logo
09:30 - 21:10
SYD
-
SEA
28h 40m
2 stops
United Airlines Logo
07:00 - 06:55
SEA
-
SYD
30h 55m
2 stops
$1,356United Airlines
Thu, 6 Aug - Tue, 18 Aug
United Airlines Logo
10:20 - 11:25
SYD
-
SEA
18h 05m
1 stop
United Airlines Logo
16:30 - 07:00
SEA
-
SYD
21h 30m
1 stop
$1,364United Airlines
Wed, 2 Sep - Sun, 13 Sep
Delta Logo
09:15 - 23:44
SYD
-
SEA
31h 29m
1 stop
Delta Logo
21:35 - 06:50
SEA
-
SYD
40h 15m
1 stop
$1,366Delta
Thu, 3 Sep - Sat, 12 Sep
United Airlines Logo
09:30 - 19:03
SYD
-
SEA
26h 33m
1 stop
United Airlines Logo
12:15 - 07:00
SEA
-
SYD
25h 45m
1 stop
$1,367United Airlines
Tue, 4 Aug - Tue, 11 Aug
United Airlines Logo
10:20 - 12:20
SYD
-
SEA
19h 00m
1 stop
United Airlines Logo
11:03 - 07:00
SEA
-
SYD
26h 57m
2 stops
$1,369United Airlines
Thu, 20 Aug - Mon, 31 Aug
Delta Logo
09:15 - 12:27
SYD
-
SEA
20h 12m
1 stop
Delta Logo
14:50 - 06:50
SEA
-
SYD
23h 00m
1 stop
$1,370Delta
Thu, 6 Aug - Tue, 18 Aug
American Airlines Logo
21:25 - 09:23
SYD
-
SEA
28h 58m
2 stops
American Airlines Logo
07:10 - 07:05
SEA
-
SYD
30h 55m
1 stop
$1,373American Airlines
Tue, 8 Sep - Mon, 21 Sep
United Airlines Logo
10:20 - 11:25
SYD
-
SEA
18h 05m
1 stop
United Airlines Logo
15:30 - 06:55
SEA
-
SYD
22h 25m
1 stop
$1,377United Airlines
Wed, 2 Sep - Wed, 23 Sep
American Airlines Logo
12:00 - 22:26
SYD
-
SEA
27h 26m
1 stop
American Airlines Logo
07:10 - 07:05
SEA
-
SYD
30h 55m
1 stop
$1,384American Airlines
Sat, 29 Aug - Tue, 15 Sep

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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
United Airlines
6 Aug
SYD09:30Sydney Kingsford Smith
28h 40m
2 stops
SEA21:10Seattle/Tacoma Intl
18 Aug
SEA07:00Seattle/Tacoma Intl
30h 55m
2 stops
SYD06:55Sydney Kingsford Smith
$1,356
United Airlines
27 July
SYD09:30Sydney Kingsford Smith
22h 06m
1 stop
SEA14:36Seattle/Tacoma Intl
12 Aug
SEA13:16Seattle/Tacoma Intl
24h 39m
1 stop
SYD06:55Sydney Kingsford Smith
$1,359
United Airlines
2 Sept
SYD10:20Sydney Kingsford Smith
18h 05m
1 stop
SEA11:25Seattle/Tacoma Intl
13 Sept
SEA16:30Seattle/Tacoma Intl
21h 30m
1 stop
SYD07:00Sydney Kingsford Smith
$1,364

American Airlines flights from New South Wales to Seattle

Our best American Airlines deals on New South Wales to Seattle flight tickets
American Airlines
7 Sept
SYD12:00Sydney Kingsford Smith
38h 25m
1 stop
SEA09:25Seattle/Tacoma Intl
23 Sept
SEA07:10Seattle/Tacoma Intl
30h 55m
1 stop
SYD07:05Sydney Kingsford Smith
$1,353
American Airlines
8 Sept
SYD21:25Sydney Kingsford Smith
28h 58m
2 stops
SEA09:23Seattle/Tacoma Intl
21 Sept
SEA07:10Seattle/Tacoma Intl
30h 55m
1 stop
SYD07:05Sydney Kingsford Smith
$1,373
American Airlines
29 Aug
SYD12:00Sydney Kingsford Smith
27h 26m
1 stop
SEA22:26Seattle/Tacoma Intl
15 Sept
SEA07:10Seattle/Tacoma Intl
30h 55m
1 stop
SYD07:05Sydney Kingsford Smith
$1,384

momondo Fare Finder

 
Customise your flight search to find flights from New South Wales to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 78,305 searches. Data last updated 19 July 2026.
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 - SEA

SYDSEA

Sydney Kingsford Smith

Mon 7/9

12:00-09:25

1 stop38h 25m

Seattle/Tacoma Intl

Wed 23/9

07:10-07:05

1 stop30h 55m

$1,353

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 6/8

09:30-21:10

2 stops28h 40m

Seattle/Tacoma Intl

Tue 18/8

07:00-06:55

2 stops30h 55m

$1,356
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 2/9

10:20-11:25

1 stop18h 05m

Seattle/Tacoma Intl

Sun 13/9

16:30-07:00

1 stop21h 30m

$1,364

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 3/9

09:15-23:44

1 stop31h 29m

Seattle/Tacoma Intl

Sat 12/9

21:35-06:50

1 stop40h 15m

$1,366

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 4/8

09:30-19:03

1 stop26h 33m

Seattle/Tacoma Intl

Tue 11/8

12:15-07:00

1 stop25h 45m

$1,367

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 20/8

10:20-12:20

1 stop19h 00m

Seattle/Tacoma Intl

Mon 31/8

11:03-07:00

2 stops26h 57m

$1,369

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 6/8

09:15-12:27

1 stop20h 12m

Seattle/Tacoma Intl

Tue 18/8

14:50-06:50

1 stop23h 00m

$1,370

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

21:25-09:23

2 stops28h 58m

Seattle/Tacoma Intl

Mon 21/9

07:10-07:05

1 stop30h 55m

$1,373

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 2/9

10:20-11:25

1 stop18h 05m

Seattle/Tacoma Intl

Wed 23/9

15:30-06:55

1 stop22h 25m

$1,377

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 29/8

12:00-22:26

1 stop27h 26m

Seattle/Tacoma Intl

Tue 15/9

07:10-07:05

1 stop30h 55m

$1,384

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

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

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 $1,237. 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 $1,367.

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 $1,526 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 $945 on momondo.

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

You could potentially save up to 24% 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

19h 05m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 19h 05m
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?

  • 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 AirlinesPriceFrom $1,052Free cancellationRating
7.8
2,823 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $1,087Free cancellationRating
7.8
8,475 reviews
Search Delta flights
Air CanadaPriceFrom $1,118Free cancellationRating
7.1
11,359 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,183Free cancellationRating
7.4
10,011 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,215Free cancellationRating
7.5
1,064 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,262Free cancellationRating
7.1
11,822 reviews
Search American Airlines flights
ANAPriceFrom $1,312Free cancellationRating
8.3
1,272 reviews
Search ANA flights

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
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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