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Cheap flights from New South Wales to Seattle from $858

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from New South Wales to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 18:26SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
31h 26m2 stops Nadi Los Angeles
Multiple Airlines Logo
12:42 - 12:35SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
28h 53m2 stops Los Angeles Nadi
$1,235Multiple Airlines
Thu, 19 Nov - Sun, 22 Nov
Multiple Airlines Logo
14:00 - 18:26SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
23h 26m2 stops Nadi Los Angeles
Multiple Airlines Logo
11:06 - 06:25SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
24h 19m1 stop Los Angeles
$1,300Multiple Airlines
Wed, 4 Nov - Wed, 18 Nov
Air Canada Logo
11:20 - 14:37SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 17m1 stop Vancouver Intl
Air Canada Logo
15:15 - 14:40SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
28h 25m2 stops Vancouver Intl Brisbane
$1,494Air Canada
Thu, 19 Nov - Sun, 22 Nov
Air Canada Logo
06:30 - 18:32SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
29h 02m2 stops Brisbane Vancouver Intl
Air Canada Logo
19:15 - 07:20SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
19h 05m1 stop Vancouver Intl
$1,508Air Canada
Tue, 8 Sep - Tue, 15 Sep
Qantas Airways Logo
17:50 - 23:21SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 31m1 stop Los Angeles
Qantas Airways Logo
16:59 - 07:05SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
21h 06m1 stop Los Angeles
$1,627Qantas Airways
Tue, 8 Sep - Wed, 23 Sep
Qantas Airways Logo
09:10 - 13:39SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
21h 29m1 stop Los Angeles
Qantas Airways Logo
12:55 - 07:05SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
25h 10m1 stop Los Angeles
$1,700Qantas Airways
Thu, 10 Sep - Fri, 25 Sep
United Airlines Logo
09:30 - 15:50SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
23h 20m1 stop Los Angeles
United Airlines Logo
23:13 - 07:55SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
38h 42m2 stops Chicago O'Hare Intl San Francisco
$1,704United Airlines
Wed, 30 Sep - Tue, 6 Oct
United Airlines Logo
10:20 - 11:21SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
18h 01m1 stop San Francisco
United Airlines Logo
07:11 - 06:55SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
30h 44m1 stop San Francisco
$1,704United Airlines
Tue, 15 Sep - Tue, 22 Sep
Delta Logo
09:15 - 14:53SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
22h 38m1 stop Los Angeles
Delta Logo
21:35 - 06:50SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
40h 15m1 stop Los Angeles
$1,774Delta
Fri, 11 Sep - Sat, 19 Sep
Delta Logo
09:15 - 23:50SYD  Sydney Kingsford Smith-SEA Seattle/Tacoma Intl
31h 35m1 stop Los Angeles
Delta Logo
12:35 - 07:50SEA  Seattle/Tacoma Intl-SYD Sydney Kingsford Smith
25h 15m1 stop Los Angeles
$1,909Delta
Mon, 28 Sep - Mon, 5 Oct

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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
Qantas Airways
8 Sept
SYD17:50Sydney Kingsford Smith
22h 31m
1 stop
SEA23:21Seattle/Tacoma Intl
23 Sept
SEA16:59Seattle/Tacoma Intl
21h 06m
1 stop
SYD07:05Sydney Kingsford Smith
$1,627
Qantas Airways
10 Sept
SYD09:10Sydney Kingsford Smith
21h 29m
1 stop
SEA13:39Seattle/Tacoma Intl
25 Sept
SEA12:55Seattle/Tacoma Intl
25h 10m
1 stop
SYD07:05Sydney Kingsford Smith
$1,700

Air Canada flights from New South Wales to Seattle

Our best Air Canada deals on New South Wales to Seattle flight tickets
Air Canada
19 Nov
SYD11:20Sydney Kingsford Smith
22h 17m
1 stop
SEA14:37Seattle/Tacoma Intl
22 Nov
SEA15:15Seattle/Tacoma Intl
28h 25m
2 stops
SYD14:40Sydney Kingsford Smith
$1,494
Air Canada
8 Sept
SYD06:30Sydney Kingsford Smith
29h 02m
2 stops
SEA18:32Seattle/Tacoma Intl
15 Sept
SEA19:15Seattle/Tacoma Intl
19h 05m
1 stop
SYD07:20Sydney Kingsford Smith
$1,508
Air Canada
19 Nov
SYD11:20Sydney Kingsford Smith
22h 17m
1 stop
SEA14:37Seattle/Tacoma Intl
22 Nov
SEA15:15Seattle/Tacoma Intl
23h 20m
1 stop
SYD09:35Sydney Kingsford Smith
$1,513

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 16 August 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 Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 19/11

06:00-18:26

2 stops31h 26m

Seattle/Tacoma Intl

Sun 22/11

12:42-12:35

2 stops28h 53m

$1,235

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 4/11

14:00-18:26

2 stops23h 26m

Seattle/Tacoma Intl

Wed 18/11

11:06-06:25

1 stop24h 19m

$1,300

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 19/11

11:20-14:37

1 stop22h 17m

Seattle/Tacoma Intl

Sun 22/11

15:15-14:40

2 stops28h 25m

$1,494

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 8/9

06:30-18:32

2 stops29h 02m

Seattle/Tacoma Intl

Tue 15/9

19:15-07:20

1 stop19h 05m

$1,508
Fastest return journey

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 8/9

17:50-23:21

1 stop22h 31m

Seattle/Tacoma Intl

Wed 23/9

16:59-07:05

1 stop21h 06m

$1,627

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Thu 10/9

09:10-13:39

1 stop21h 29m

Seattle/Tacoma Intl

Fri 25/9

12:55-07:05

1 stop25h 10m

$1,700

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Wed 30/9

09:30-15:50

1 stop23h 20m

Seattle/Tacoma Intl

Tue 6/10

23:13-07:55

2 stops38h 42m

$1,704

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Tue 15/9

10:20-11:21

1 stop18h 01m

Seattle/Tacoma Intl

Tue 22/9

07:11-06:55

1 stop30h 44m

$1,704

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Fri 11/9

09:15-14:53

1 stop22h 38m

Seattle/Tacoma Intl

Sat 19/9

21:35-06:50

1 stop40h 15m

$1,774

SydneySeattle

SYD Sydney Kingsford Smith - SEA Seattle/Tacoma Intl

SYDSEA

Sydney Kingsford Smith

Mon 28/9

09:15-23:50

1 stop31h 35m

Seattle/Tacoma Intl

Mon 5/10

12:35-07:50

1 stop25h 15m

$1,909

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,395. 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 $1,408.

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 $1,533 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 $931 on momondo.

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

You could potentially save up to 9% 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 31m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 17h 31m
There are no direct flights from New South Wales to Seattle. There are no popular flight routes from New South Wales to Seattle.
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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 $1,037Free cancellationRating
7.8
2,817 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $1,071Free cancellationRating
7.8
8,505 reviews
Search Delta flights
Air CanadaPriceFrom $1,128Free cancellationRating
7.1
11,481 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,166Free cancellationRating
7.4
10,105 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,197Free cancellationRating
7.5
1,083 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,243Free cancellationRating
7.1
11,947 reviews
Search American Airlines flights
ANAPriceFrom $1,293Free cancellationRating
8.3
1,298 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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