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Cheap flights from New South Wales to Seattle from $857

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 28/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Air Canada Logo
09:20 - 18:32
SYD
-
SEA
26h 12m
1 stop
Air Canada Logo
10:45 - 07:20
SEA
-
SYD
27h 35m
1 stop
$1,155Air Canada
Mon, 27 Jul - Tue, 11 Aug
Multiple Airlines Logo
09:20 - 18:32
SYD
-
SEA
26h 12m
1 stop
Multiple Airlines Logo
19:20 - 11:40
SEA
-
SYD
23h 20m
2 stops
$1,176Multiple Airlines
Mon, 27 Jul - Tue, 11 Aug
Air Canada Logo
09:20 - 18:32
SYD
-
SEA
26h 12m
1 stop
Air Canada Logo
10:45 - 07:20
SEA
-
SYD
27h 35m
1 stop
$1,206Air Canada
Mon, 27 Jul - Tue, 11 Aug
Air Canada Logo
09:20 - 14:22
SYD
-
SEA
22h 02m
1 stop
Air Canada Logo
19:20 - 08:20
SEA
-
SYD
19h 00m
1 stop
$1,215Air Canada
Tue, 8 Sep - Tue, 6 Oct
Air Canada Logo
09:20 - 14:22
SYD
-
SEA
22h 02m
1 stop
Air Canada Logo
10:30 - 07:20
SEA
-
SYD
27h 50m
1 stop
$1,220Air Canada
Tue, 15 Sep - Wed, 23 Sep
Air Canada Logo
10:20 - 14:37
SYD
-
SEA
22h 17m
1 stop
Air Canada Logo
15:15 - 09:35
SEA
-
SYD
23h 20m
1 stop
$1,223Air Canada
Tue, 27 Oct - Wed, 11 Nov
Multiple Airlines Logo
06:00 - 09:52
SYD
-
SEA
20h 52m
2 stops
Multiple Airlines Logo
15:00 - 08:20
SEA
-
SYD
23h 20m
1 stop
$1,227Multiple Airlines
Tue, 8 Sep - Tue, 6 Oct
Multiple Airlines Logo
09:20 - 10:07
SYD
-
SEA
17h 47m
1 stop
Multiple Airlines Logo
19:20 - 10:40
SEA
-
SYD
22h 20m
2 stops
$1,234Multiple Airlines
Wed, 29 Jul - Tue, 1 Sep
Multiple Airlines Logo
06:20 - 09:17
SYD
-
SEA
20h 57m
2 stops
Multiple Airlines Logo
19:05 - 09:35
SEA
-
SYD
19h 30m
1 stop
$1,237Multiple Airlines
Tue, 27 Oct - Wed, 11 Nov
Multiple Airlines Logo
06:00 - 10:07
SYD
-
SEA
21h 07m
2 stops
Multiple Airlines Logo
19:20 - 12:40
SEA
-
SYD
24h 20m
2 stops
$1,243Multiple Airlines
Wed, 29 Jul - Tue, 1 Sep

United Airlines flights from New South Wales to Seattle

Our best United Airlines deals on New South Wales to Seattle flight tickets
United Airlines
12 Aug
SYD09:30Sydney Kingsford Smith
19h 04m
1 stop
SEA11:34Seattle/Tacoma Intl
6 Sept
SEA12:15Seattle/Tacoma Intl
25h 45m
1 stop
SYD07:00Sydney Kingsford Smith
$1,381
United Airlines
18 June
SYD10:20Sydney Kingsford Smith
38h 40m
2 stops
SEA08:00Seattle/Tacoma Intl
3 July
SEA17:15Seattle/Tacoma Intl
68h 40m
2 stops
SYD06:55Sydney Kingsford Smith
$1,383
United Airlines
28 July
SYD10:20Sydney Kingsford Smith
23h 00m
1 stop
SEA16:20Seattle/Tacoma Intl
31 Aug
SEA15:30Seattle/Tacoma Intl
22h 25m
1 stop
SYD06:55Sydney Kingsford Smith
$1,386

Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets
Delta
20 July
SYD09:15Sydney Kingsford Smith
29h 50m
1 stop
SEA22:05Seattle/Tacoma Intl
27 July
SEA10:05Seattle/Tacoma Intl
27h 45m
1 stop
SYD06:50Sydney Kingsford Smith
$1,374
Delta
13 July
SYD09:15Sydney Kingsford Smith
29h 50m
1 stop
SEA22:05Seattle/Tacoma Intl
29 July
SEA11:09Seattle/Tacoma Intl
26h 41m
2 stops
SYD06:50Sydney Kingsford Smith
$1,383
Delta
9 June
SYD09:15Sydney Kingsford Smith
29h 50m
2 stops
SEA22:05Seattle/Tacoma Intl
30 June
SEA10:05Seattle/Tacoma Intl
27h 45m
1 stop
SYD06:50Sydney Kingsford Smith
$1,386

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 6 June 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 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

10:45-07:20

1 stop27h 35m

$1,155

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

19:20-11:40

2 stops23h 20m

$1,176

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 27/7

09:20-18:32

1 stop26h 12m

Seattle/Tacoma Intl

Tue 11/8

10:45-07:20

1 stop27h 35m

$1,206

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

09:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Tue 6/10

19:20-08:20

1 stop19h 00m

$1,215

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 15/9

09:20-14:22

1 stop22h 02m

Seattle/Tacoma Intl

Wed 23/9

10:30-07:20

1 stop27h 50m

$1,220

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 27/10

10:20-14:37

1 stop22h 17m

Seattle/Tacoma Intl

Wed 11/11

15:15-09:35

1 stop23h 20m

$1,223

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 8/9

06:00-09:52

2 stops20h 52m

Seattle/Tacoma Intl

Tue 6/10

15:00-08:20

1 stop23h 20m

$1,227
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 29/7

09:20-10:07

1 stop17h 47m

Seattle/Tacoma Intl

Tue 1/9

19:20-10:40

2 stops22h 20m

$1,234

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 27/10

06:20-09:17

2 stops20h 57m

Seattle/Tacoma Intl

Wed 11/11

19:05-09:35

1 stop19h 30m

$1,237

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 29/7

06:00-10:07

2 stops21h 07m

Seattle/Tacoma Intl

Tue 1/9

19:20-12:40

2 stops24h 20m

$1,243

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 June is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $688. If you are unable to visit Seattle during the month of June, then departing from New South Wales during the month July is also very affordable. Most momondo users find prices during this month for around $770.

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 $1,461 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 $982 on momondo.

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

You could potentially save up to 6% 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 47m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 19h 47m
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
DeltaPriceFrom $689Free cancellationRating
7.8
8,395 reviews
Search Delta flights
Air CanadaPriceFrom $1,060Free cancellationRating
7.1
11,129 reviews
Search Air Canada flights
Hawaiian AirlinesPriceFrom $1,067Free cancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $1,069Free cancellationRating
7.9
12,469 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $1,143Free cancellationRating
7.4
9,777 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,208Free cancellationRating
7.5
1,044 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,250Free cancellationRating
7.1
11,651 reviews
Search American Airlines flights
ANAPriceFrom $1,300Free cancellationRating
8.3
1,221 reviews
Search ANA flights
Asiana AirlinesPriceFrom $1,382Free cancellationRating
8.1
539 reviews
Search Asiana Airlines 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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