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Cheap flights from New South Wales to Seattle from $625

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 17/3. 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

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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
14:00 - 18:51
SYD
-
SEA
22h 51m
2 stops
Multiple Airlines Logo
09:08 - 12:50
SEA
-
SYD
33h 42m
2 stops
$1,128Multiple Airlines
Wed, 18 Mar - Tue, 31 Mar
Air Canada Logo
11:20 - 09:35
SYD
-
SEA
17h 15m
1 stop
Air Canada Logo
15:40 - 08:35
SEA
-
SYD
22h 55m
1 stop
$1,165Air Canada
Thu, 5 Mar - Wed, 18 Mar
Air Canada Logo
10:20 - 09:35
SYD
-
SEA
17h 15m
1 stop
Air Canada Logo
20:00 - 08:20
SEA
-
SYD
18h 20m
1 stop
$1,172Air Canada
Wed, 18 Mar - Tue, 31 Mar
Air Canada Logo
09:00 - 09:35
SYD
-
SEA
19h 35m
2 stops
Air Canada Logo
10:10 - 08:35
SEA
-
SYD
28h 25m
1 stop
$1,186Air Canada
Thu, 5 Mar - Wed, 18 Mar
Multiple Airlines Logo
14:00 - 19:58
SYD
-
SEA
23h 58m
2 stops
Multiple Airlines Logo
17:59 - 12:35
SEA
-
SYD
24h 36m
2 stops
$1,188Multiple Airlines
Tue, 10 Mar - Wed, 25 Mar
Air Canada Logo
08:00 - 09:35
SYD
-
SEA
19h 35m
2 stops
Air Canada Logo
10:20 - 08:20
SEA
-
SYD
28h 00m
1 stop
$1,192Air Canada
Wed, 18 Mar - Tue, 31 Mar
Multiple Airlines Logo
14:00 - 19:58
SYD
-
SEA
24h 58m
2 stops
Multiple Airlines Logo
17:59 - 12:35
SEA
-
SYD
24h 36m
2 stops
$1,198Multiple Airlines
Thu, 5 Mar - Wed, 18 Mar
Air Canada Logo
09:20 - 09:35
SYD
-
SEA
17h 15m
1 stop
Air Canada Logo
20:00 - 07:20
SEA
-
SYD
18h 20m
1 stop
$1,227Air Canada
Thu, 23 Apr - Thu, 30 Apr
Air Canada Logo
09:00 - 15:01
SYD
-
SEA
25h 01m
2 stops
Air Canada Logo
20:00 - 15:55
SEA
-
SYD
25h 55m
2 stops
$1,230Air Canada
Thu, 5 Mar - Wed, 18 Mar
Air Canada Logo
10:20 - 19:16
SYD
-
SEA
26h 56m
1 stop
Air Canada Logo
20:00 - 08:20
SEA
-
SYD
18h 20m
1 stop
$1,265Air Canada
Fri, 13 Mar - Sat, 28 Mar

American Airlines flights from New South Wales to Seattle

Our best American Airlines deals on New South Wales to Seattle flight tickets
American Airlines
13 July
SYD09:10Sydney Kingsford Smith
30h 45m
1 stop
SEA22:55Seattle/Tacoma Intl
28 July
SEA07:00Seattle/Tacoma Intl
31h 05m
1 stop
SYD07:05Sydney Kingsford Smith
$1,285
American Airlines
13 July
SYD09:10Sydney Kingsford Smith
21h 35m
1 stop
SEA13:45Seattle/Tacoma Intl
28 July
SEA14:32Seattle/Tacoma Intl
23h 58m
1 stop
SYD07:30Sydney Kingsford Smith
$1,296
American Airlines
12 July
SYD20:40Sydney Kingsford Smith
34h 05m
2 stops
SEA13:45Seattle/Tacoma Intl
28 July
SEA23:20Seattle/Tacoma Intl
38h 35m
1 stop
SYD06:55Sydney Kingsford Smith
$1,339

Air Canada flights from New South Wales to Seattle

Our best Air Canada deals on New South Wales to Seattle flight tickets
Air Canada
5 Mar
SYD11:20Sydney Kingsford Smith
17h 15m
1 stop
SEA09:35Seattle/Tacoma Intl
18 Mar
SEA15:40Seattle/Tacoma Intl
22h 55m
1 stop
SYD08:35Sydney Kingsford Smith
$1,165
Air Canada
18 Mar
SYD10:20Sydney Kingsford Smith
17h 15m
1 stop
SEA09:35Seattle/Tacoma Intl
31 Mar
SEA20:00Seattle/Tacoma Intl
18h 20m
1 stop
SYD08:20Sydney Kingsford Smith
$1,172
Air Canada
5 Mar
SYD09:00Sydney Kingsford Smith
19h 35m
2 stops
SEA09:35Seattle/Tacoma Intl
18 Mar
SEA10:10Seattle/Tacoma Intl
28h 25m
1 stop
SYD08:35Sydney Kingsford Smith
$1,186

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 14 February 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

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

14:00-18:51

2 stops22h 51m

Seattle/Tacoma Intl

Tue 31/3

09:08-12:50

2 stops33h 42m

$1,128

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

11:20-09:35

1 stop17h 15m

Seattle/Tacoma Intl

Wed 18/3

15:40-08:35

1 stop22h 55m

$1,165

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

10:20-09:35

1 stop17h 15m

Seattle/Tacoma Intl

Tue 31/3

20:00-08:20

1 stop18h 20m

$1,172

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

09:00-09:35

2 stops19h 35m

Seattle/Tacoma Intl

Wed 18/3

10:10-08:35

1 stop28h 25m

$1,186

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 10/3

14:00-19:58

2 stops23h 58m

Seattle/Tacoma Intl

Wed 25/3

17:59-12:35

2 stops24h 36m

$1,188

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 18/3

08:00-09:35

2 stops19h 35m

Seattle/Tacoma Intl

Tue 31/3

10:20-08:20

1 stop28h 00m

$1,192

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

14:00-19:58

2 stops24h 58m

Seattle/Tacoma Intl

Wed 18/3

17:59-12:35

2 stops24h 36m

$1,198

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 23/4

09:20-09:35

1 stop17h 15m

Seattle/Tacoma Intl

Thu 30/4

20:00-07:20

1 stop18h 20m

$1,227

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 5/3

09:00-15:01

2 stops25h 01m

Seattle/Tacoma Intl

Wed 18/3

20:00-15:55

2 stops25h 55m

$1,230

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 13/3

10:20-19:16

1 stop26h 56m

Seattle/Tacoma Intl

Sat 28/3

20:00-08:20

1 stop18h 20m

$1,265

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 $1,267. 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 $1,309.

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 $1,512 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 $1,292 on momondo.

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 11m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 19h 11m
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?

  • 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 $686Free cancellationRating
7.9
8,200 reviews
Search Delta flights
Virgin AustraliaPriceFrom $1,062Free cancellationRating
7.5
439 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $1,081Free cancellationRating
7.1
10,717 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $1,107Free cancellationRating
8.0
11,882 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $1,123Free cancellationRating
7.4
9,292 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $1,158Free cancellationRating
7.8
2,833 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $1,171Free cancellationRating
7.5
989 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,196Free cancellationRating
7.2
11,288 reviews
Search American Airlines flights
Philippine AirlinesPriceFrom $1,208Free cancellationRating
7.3
955 reviews
Search Philippine Airlines flights
Asiana AirlinesPriceFrom $1,371Free cancellationRating
8.1
503 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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