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Cheap flights from New South Wales to Seattle from $803

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 21/1. 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.
Air Canada Logo
11:20 - 14:31SYD-SEA
22h 11m1 stop
Air Canada Logo
15:40 - 09:35SEA-SYD
22h 55m1 stop
$1,311Air Canada
Find Deal
Sun, 15 Feb - Sun, 22 Feb
Air Canada Logo
19:15 - 09:31SYD-SEA
33h 16m2 stops
Air Canada Logo
10:05 - 09:35SEA-SYD
28h 30m1 stop
$1,326Air Canada
Find Deal
Sun, 15 Feb - Sun, 22 Feb
Air Canada Logo
19:15 - 09:31SYD-SEA
33h 16m2 stops
Air Canada Logo
20:00 - 18:05SEA-SYD
27h 05m2 stops
$1,378Air Canada
Find Deal
Sun, 15 Feb - Sun, 22 Feb
Philippine Airlines Logo
11:35 - 20:05SYD-SEA
25h 30m1 stop
Philippine Airlines Logo
23:10 - 09:45SEA-SYD
41h 35m1 stop
$1,381Philippine Airlines
Find Deal
Thu, 30 Apr - Thu, 7 May
Asiana Airlines Logo
10:20 - 14:55SYD-SEA
22h 35m1 stop
Asiana Airlines Logo
00:10 - 08:30SEA-SYD
38h 20m1 stop
$1,466Asiana Airlines
Find Deal
Sat, 14 Mar - Sat, 28 Mar
Qantas Airways Logo
17:30 - 20:52SYD-SEA
22h 22m2 stops
Qantas Airways Logo
15:57 - 09:20SEA-SYD
22h 23m2 stops
$1,495Qantas Airways
Find Deal
Mon, 19 Jan - Mon, 2 Feb
Air Canada Logo
16:00 - 14:31SYD-SEA
17h 31m1 stop
Air Canada Logo
15:40 - 09:35SEA-SYD
22h 55m1 stop
$1,509Air Canada
Find Deal
Mon, 19 Jan - Mon, 2 Feb
Air Canada Logo
11:20 - 14:31SYD-SEA
22h 11m1 stop
Air Canada Logo
20:00 - 09:35SEA-SYD
18h 35m1 stop
$1,512Air Canada
Find Deal
Thu, 12 Feb - Mon, 2 Mar
Air Canada Logo
08:30 - 09:31SYD-SEA
20h 01m2 stops
Air Canada Logo
15:40 - 09:35SEA-SYD
22h 55m1 stop
$1,532Air Canada
Find Deal
Mon, 19 Jan - Mon, 2 Feb
Multiple Airlines Logo
13:15 - 18:47SYD-SEA
22h 32m2 stops
Multiple Airlines Logo
18:40 - 11:45SEA-SYD
24h 05m2 stops
$1,548Multiple Airlines
Find Deal
Thu, 30 Apr - Thu, 7 May

Asiana Airlines flights from New South Wales to Seattle

Our best Asiana Airlines deals on New South Wales to Seattle flight tickets
Asiana Airlines
14 Mar
SYD10:20Sydney Kingsford Smith
22h 35m
1 stop
SEA14:55Seattle/Tacoma Intl
28 Mar
SEA00:10Seattle/Tacoma Intl
38h 20m
1 stop
SYD08:30Sydney Kingsford Smith
$1,466
Find similar
Asiana Airlines
15 Feb
SYD10:20Sydney Kingsford Smith
22h 35m
1 stop
SEA13:55Seattle/Tacoma Intl
21 Feb
SEA00:10Seattle/Tacoma Intl
37h 10m
1 stop
SYD08:20Sydney Kingsford Smith
$1,582
Find similar
Asiana Airlines
30 Apr
SYD09:30Sydney Kingsford Smith
22h 25m
1 stop
SEA14:55Seattle/Tacoma Intl
6 May
SEA00:10Seattle/Tacoma Intl
38h 20m
1 stop
SYD07:30Sydney Kingsford Smith
$1,614
Find similar

American Airlines flights from New South Wales to Seattle

Our best American Airlines deals on New South Wales to Seattle flight tickets
American Airlines
14 Mar
SYD11:20Sydney Kingsford Smith
25h 20m
2 stops
SEA18:40Seattle/Tacoma Intl
28 Mar
SEA00:59Seattle/Tacoma Intl
35h 56m
1 stop
SYD06:55Sydney Kingsford Smith
$1,717
Find similar
American Airlines
9 Jan
SYD17:30Sydney Kingsford Smith
25h 29m
2 stops
SEA23:59Seattle/Tacoma Intl
16 Jan
SEA06:00Seattle/Tacoma Intl
32h 00m
1 stop
SYD09:00Sydney Kingsford Smith
$1,927
Find similar

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 25 November 2025.
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

Sun 15/2

11:20-14:31

1 stop22h 11m

Seattle/Tacoma Intl

Sun 22/2

15:40-09:35

1 stop22h 55m

$1,311

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 15/2

19:15-09:31

2 stops33h 16m

Seattle/Tacoma Intl

Sun 22/2

10:05-09:35

1 stop28h 30m

$1,326

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 15/2

19:15-09:31

2 stops33h 16m

Seattle/Tacoma Intl

Sun 22/2

20:00-18:05

2 stops27h 05m

$1,378

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 30/4

11:35-20:05

1 stop25h 30m

Seattle/Tacoma Intl

Thu 7/5

23:10-09:45

1 stop41h 35m

$1,381

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sat 14/3

10:20-14:55

1 stop22h 35m

Seattle/Tacoma Intl

Sat 28/3

00:10-08:30

1 stop38h 20m

$1,466

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/1

17:30-20:52

2 stops22h 22m

Seattle/Tacoma Intl

Mon 2/2

15:57-09:20

2 stops22h 23m

$1,495

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/1

16:00-14:31

1 stop17h 31m

Seattle/Tacoma Intl

Mon 2/2

15:40-09:35

1 stop22h 55m

$1,509

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 12/2

11:20-14:31

1 stop22h 11m

Seattle/Tacoma Intl

Mon 2/3

20:00-09:35

1 stop18h 35m

$1,512

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/1

08:30-09:31

2 stops20h 01m

Seattle/Tacoma Intl

Mon 2/2

15:40-09:35

1 stop22h 55m

$1,532

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 30/4

13:15-18:47

2 stops22h 32m

Seattle/Tacoma Intl

Thu 7/5

18:40-11:45

2 stops24h 05m

$1,548

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 August is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $1,436. 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 $1,506.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from New South Wales to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,592. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from New South Wales to Seattle for around $1,830.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from New South Wales to Seattle at midday for as low as $1,517. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the afternoon when prices are around $1,852.

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 $1,687 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 $1,419 on momondo.

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

You could potentially save up to 25% 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

21h 12m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 21h 12m
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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  • 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
Virgin AustraliaPriceFrom $1,163Free cancellationRating
7.6
425 reviews
Search Virgin Australia flights
Alaska AirlinesPriceFrom $1,166Free cancellationRating
8.0
11,354 reviews
Search Alaska Airlines flights
DeltaPriceFrom $1,175Free cancellationRating
7.9
7,998 reviews
Search Delta flights
Air CanadaPriceFrom $1,191Free cancellationRating
7.1
10,476 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,229Free cancellationRating
7.4
9,046 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $1,274Free cancellationRating
7.8
2,814 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $1,282Free cancellationRating
7.5
944 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,309Free cancellationRating
7.2
11,038 reviews
Search American Airlines flights
Philippine AirlinesPriceFrom $1,323Free cancellationRating
7.3
937 reviews
Search Philippine Airlines flights
Air New ZealandPriceFrom $1,389Free cancellationRating
8.0
537 reviews
Search Air New Zealand 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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