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Cheap flights from New South Wales to Seattle from $780

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 16/11. 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
13:00 - 09:28
SYD
-
SEA
38h 28m
1 stop
American Airlines Logo
07:40 - 08:05
SEA
-
SYD
30h 25m
1 stop
$1,196American Airlines
Mon, 19 Oct - Wed, 21 Oct
American Airlines Logo
10:10 - 21:26
SYD
-
SEA
29h 16m
1 stop
American Airlines Logo
07:40 - 06:25
SEA
-
SYD
28h 45m
2 stops
$1,213American Airlines
Mon, 19 Oct - Tue, 20 Oct
American Airlines Logo
13:00 - 09:28
SYD
-
SEA
38h 28m
1 stop
American Airlines Logo
07:40 - 08:05
SEA
-
SYD
30h 25m
1 stop
$1,246American Airlines
Tue, 20 Oct - Thu, 22 Oct
Multiple Airlines Logo
14:15 - 18:48
SYD
-
SEA
22h 33m
2 stops
Multiple Airlines Logo
08:15 - 12:50
SEA
-
SYD
34h 35m
2 stops
$1,252Multiple Airlines
Thu, 8 Oct - Tue, 20 Oct
Multiple Airlines Logo
14:15 - 22:57
SYD
-
SEA
26h 42m
2 stops
Multiple Airlines Logo
08:15 - 12:50
SEA
-
SYD
34h 35m
2 stops
$1,255Multiple Airlines
Thu, 8 Oct - Tue, 20 Oct
American Airlines Logo
13:00 - 19:50
SYD
-
SEA
24h 50m
2 stops
American Airlines Logo
07:40 - 08:05
SEA
-
SYD
30h 25m
1 stop
$1,263American Airlines
Wed, 21 Oct - Thu, 22 Oct
American Airlines Logo
21:25 - 10:24
SYD
-
SEA
30h 59m
2 stops
American Airlines Logo
07:40 - 08:05
SEA
-
SYD
30h 25m
1 stop
$1,282American Airlines
Tue, 20 Oct - Thu, 22 Oct
Multiple Airlines Logo
13:15 - 09:17
SYD
-
SEA
37h 02m
3 stops
Multiple Airlines Logo
14:15 - 11:50
SEA
-
SYD
28h 35m
2 stops
$1,301Multiple Airlines
Fri, 31 Jul - Wed, 16 Sep
American Airlines Logo
10:10 - 21:26
SYD
-
SEA
29h 16m
1 stop
American Airlines Logo
12:00 - 08:00
SEA
-
SYD
26h 00m
2 stops
$1,303American Airlines
Sun, 18 Oct - Mon, 19 Oct
Multiple Airlines Logo
20:45 - 23:59
SYD
-
SEA
20h 14m
1 stop
Multiple Airlines Logo
08:00 - 18:50
SEA
-
SYD
17h 50m
1 stop
$1,304Multiple Airlines
Tue, 14 Jul - Wed, 29 Jul

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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
13 July
SYD10:20Sydney Kingsford Smith
29h 50m
1 stop
SEA23:10Seattle/Tacoma Intl
27 July
SEA19:05Seattle/Tacoma Intl
18h 50m
1 stop
SYD06:55Sydney Kingsford Smith
$1,360
United Airlines
13 July
SYD10:20Sydney Kingsford Smith
31h 55m
1 stop
SEA01:15Seattle/Tacoma Intl
28 July
SEA19:05Seattle/Tacoma Intl
18h 50m
1 stop
SYD06:55Sydney Kingsford Smith
$1,365
United Airlines
13 July
SYD10:20Sydney Kingsford Smith
29h 50m
2 stops
SEA23:10Seattle/Tacoma Intl
26 July
SEA07:00Seattle/Tacoma Intl
30h 55m
1 stop
SYD06:55Sydney Kingsford Smith
$1,367

Delta flights from New South Wales to Seattle

Our best Delta deals on New South Wales to Seattle flight tickets
Delta
27 July
SYD09:15Sydney Kingsford Smith
29h 45m
2 stops
SEA22:00Seattle/Tacoma Intl
9 Aug
SEA09:40Seattle/Tacoma Intl
28h 10m
2 stops
SYD06:50Sydney Kingsford Smith
$1,374
Delta
8 Sept
SYD09:15Sydney Kingsford Smith
24h 32m
1 stop
SEA16:47Seattle/Tacoma Intl
6 Oct
SEA07:20Seattle/Tacoma Intl
30h 30m
1 stop
SYD07:50Sydney Kingsford Smith
$1,375
Delta
15 July
SYD09:15Sydney Kingsford Smith
22h 20m
2 stops
SEA14:35Seattle/Tacoma Intl
25 July
SEA20:25Seattle/Tacoma Intl
41h 25m
1 stop
SYD06:50Sydney Kingsford Smith
$1,377

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 18 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 19/10

13:00-09:28

1 stop38h 28m

Seattle/Tacoma Intl

Wed 21/10

07:40-08:05

1 stop30h 25m

$1,196

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 19/10

10:10-21:26

1 stop29h 16m

Seattle/Tacoma Intl

Tue 20/10

07:40-06:25

2 stops28h 45m

$1,213

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 20/10

13:00-09:28

1 stop38h 28m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,246

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/10

14:15-18:48

2 stops22h 33m

Seattle/Tacoma Intl

Tue 20/10

08:15-12:50

2 stops34h 35m

$1,252

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 8/10

14:15-22:57

2 stops26h 42m

Seattle/Tacoma Intl

Tue 20/10

08:15-12:50

2 stops34h 35m

$1,255

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 21/10

13:00-19:50

2 stops24h 50m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,263

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 20/10

21:25-10:24

2 stops30h 59m

Seattle/Tacoma Intl

Thu 22/10

07:40-08:05

1 stop30h 25m

$1,282

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Fri 31/7

13:15-09:17

3 stops37h 02m

Seattle/Tacoma Intl

Wed 16/9

14:15-11:50

2 stops28h 35m

$1,301

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Sun 18/10

10:10-21:26

1 stop29h 16m

Seattle/Tacoma Intl

Mon 19/10

12:00-08:00

2 stops26h 00m

$1,303
Fastest return journey

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 14/7

20:45-23:59

1 stop20h 14m

Seattle/Tacoma Intl

Wed 29/7

08:00-18:50

1 stop17h 50m

$1,304

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 November is, on average, the cheapest month to fly to Seattle from New South Wales, with most prices found around $777. If you are unable to visit Seattle during the month of November, then departing from New South Wales during the month February is also very affordable. Most momondo users find prices during this month for around $817.

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 $1,491 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 $981 on momondo.

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

You could potentially save up to 1% 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 44m

Direct flights

None
The fastest flight from New South Wales to Seattle takes 17h 44m
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 $1,066Free cancellationRating
7.8
2,828 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $1,068Free cancellationRating
7.9
12,536 reviews
Search Alaska Airlines flights
DeltaPriceFrom $1,076Free cancellationRating
7.8
8,410 reviews
Search Delta flights
Air CanadaPriceFrom $1,095Free cancellationRating
7.1
11,214 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,172Free cancellationRating
7.4
9,860 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,207Free cancellationRating
7.5
1,047 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $1,249Free cancellationRating
7.1
11,688 reviews
Search American Airlines flights
Asiana AirlinesPriceFrom $1,380Free cancellationRating
8.1
544 reviews
Search Asiana Airlines flights
ANAPriceFrom $1,506Free cancellationRating
8.3
1,242 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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