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Cheap flights from Australia to Seattle from $726

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Seattle departing on 18/9. 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 Australia to Seattle

Recent return flight deals from Australia to Seattle

Japan Airlines Logo
12:25 - 10:35PER-SEA
37h 10m2 stops
Japan Airlines Logo
13:30 - 00:40SEA-PER
44h 10m2 stops
$1,222Japan Airlines
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Mon, 18 Aug - Wed, 17 Sep
Air Canada Logo
10:20 - 14:16SYD-SEA
21h 56m1 stop
Air Canada Logo
10:05 - 09:35SEA-SYD
28h 30m1 stop
$1,222Air Canada
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Tue, 14 Oct - Tue, 11 Nov
United Airlines Logo
11:20 - 12:02SYD-SEA
18h 42m1 stop
United Airlines Logo
13:55 - 06:20SEA-SYD
45h 25m2 stops
$1,276United Airlines
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Wed, 22 Oct - Sat, 10 Jan
United Airlines Logo
10:20 - 12:07SYD-SEA
18h 47m1 stop
United Airlines Logo
12:43 - 06:55SEA-SYD
25h 12m2 stops
$1,278United Airlines
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Thu, 11 Sep - Mon, 22 Sep
Qantas Airways Logo
09:10 - 21:36SYD-SEA
29h 26m1 stop
Qantas Airways Logo
16:30 - 07:30SEA-SYD
21h 00m1 stop
$1,373Qantas Airways
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Mon, 8 Sep - Thu, 16 Oct
Virgin Australia Logo
11:30 - 16:09MEL-SEA
23h 39m1 stop
Virgin Australia Logo
06:30 - 09:30SEA-MEL
32h 00m1 stop
$1,647Virgin Australia
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Mon, 15 Dec - Thu, 15 Jan
Qantas Airways Logo
22:45 - 18:03PER-SEA
35h 18m2 stops
Qantas Airways Logo
06:00 - 21:15SEA-PER
47h 15m2 stops
$1,690Qantas Airways
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Wed, 19 Nov - Sun, 7 Dec
Virgin Australia Logo
06:00 - 00:59ADL-SEA
37h 29m2 stops
Virgin Australia Logo
15:25 - 22:15SEA-ADL
36h 20m2 stops
$1,718Virgin Australia
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Sun, 14 Dec - Tue, 20 Jan
Singapore Airlines Logo
00:35 - 08:10MEL-SEA
25h 35m1 stop
Singapore Airlines Logo
08:45 - 10:50SEA-MEL
31h 05m1 stop
$1,942Singapore Airlines
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Sat, 1 Nov - Sat, 22 Nov
Singapore Airlines Logo
00:35 - 08:45MEL-SEA
26h 10m1 stop
Singapore Airlines Logo
09:45 - 08:15SEA-MEL
28h 30m1 stop
$1,991Singapore Airlines
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Thu, 16 Oct - Fri, 31 Oct

Air Canada flights from Australia to Seattle

Our best Air Canada deals on Australia to Seattle flight tickets
Air Canada
14 Oct
SYD10:20Sydney Kingsford Smith
21h 56m
1 stop
SEA14:16Seattle/Tacoma Intl
11 Nov
SEA10:05Seattle/Tacoma Intl
28h 30m
1 stop
SYD09:35Sydney Kingsford Smith
$1,222
Find similar
Air Canada
14 Oct
SYD08:30Sydney Kingsford Smith
28h 06m
2 stops
SEA18:36Seattle/Tacoma Intl
11 Nov
SEA15:40Seattle/Tacoma Intl
22h 55m
1 stop
SYD09:35Sydney Kingsford Smith
$1,244
Find similar
Air Canada
28 Aug
SYD07:00Sydney Kingsford Smith
19h 21m
2 stops
SEA09:21Seattle/Tacoma Intl
29 Aug
SEA10:00Seattle/Tacoma Intl
28h 20m
1 stop
SYD07:20Sydney Kingsford Smith
$1,248
Find similar

American Airlines flights from Australia to Seattle

Our best American Airlines deals on Australia to Seattle flight tickets
American Airlines
8 Sept
SYD09:10Sydney Kingsford Smith
22h 39m
1 stop
SEA14:49Seattle/Tacoma Intl
17 Oct
SEA23:20Seattle/Tacoma Intl
38h 45m
2 stops
SYD08:05Sydney Kingsford Smith
$1,258
Find similar
American Airlines
14 Sept
SYD09:10Sydney Kingsford Smith
29h 48m
1 stop
SEA21:58Seattle/Tacoma Intl
21 Sept
SEA07:25Seattle/Tacoma Intl
30h 40m
1 stop
SYD07:05Sydney Kingsford Smith
$1,259
Find similar
American Airlines
17 Sept
SYD09:10Sydney Kingsford Smith
29h 48m
1 stop
SEA21:58Seattle/Tacoma Intl
24 Sept
SEA15:23Seattle/Tacoma Intl
22h 42m
1 stop
SYD07:05Sydney Kingsford Smith
$1,265
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Australia 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 2 August 2025.
Use the filters below to find and compare flights from Australia to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PerthSeattle

PER - SEA

PERSEA

Perth

Mon 18/8

12:25-10:35

2 stops37h 10m

Seattle/Tacoma Intl

Wed 17/9

13:30-00:40

2 stops44h 10m

$1,222

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Tue 14/10

10:20-14:16

1 stop21h 56m

Seattle/Tacoma Intl

Tue 11/11

10:05-09:35

1 stop28h 30m

$1,222

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 22/10

11:20-12:02

1 stop18h 42m

Seattle/Tacoma Intl

Sat 10/1

13:55-06:20

2 stops45h 25m

$1,276

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Thu 11/9

10:20-12:07

1 stop18h 47m

Seattle/Tacoma Intl

Mon 22/9

12:43-06:55

2 stops25h 12m

$1,278

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Mon 8/9

09:10-21:36

1 stop29h 26m

Seattle/Tacoma Intl

Thu 16/10

16:30-07:30

1 stop21h 00m

$1,373

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 15/12

11:30-16:09

1 stop23h 39m

Seattle/Tacoma Intl

Thu 15/1

06:30-09:30

1 stop32h 00m

$1,647

PerthSeattle

PER - SEA

PERSEA

Perth

Wed 19/11

22:45-18:03

2 stops35h 18m

Seattle/Tacoma Intl

Sun 7/12

06:00-21:15

2 stops47h 15m

$1,690

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 14/12

06:00-00:59

2 stops37h 29m

Seattle/Tacoma Intl

Tue 20/1

15:25-22:15

2 stops36h 20m

$1,718

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 1/11

00:35-08:10

1 stop25h 35m

Seattle/Tacoma Intl

Sat 22/11

08:45-10:50

1 stop31h 05m

$1,942

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Thu 16/10

00:35-08:45

1 stop26h 10m

Seattle/Tacoma Intl

Fri 31/10

09:45-08:15

1 stop28h 30m

$1,991

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 Australia 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 February is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $1,500. If you are unable to visit Seattle during the month of February, then departing from Australia during the month October is also very affordable. Most momondo users find prices during this month for around $1,565.

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

The cheapest day to depart from Australia to Seattle is on a Thursday. Travellers who choose to depart for Seattle on a Thursday will often find tickets for as low as $1,589. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Seattle for around $1,827.

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 Australia to Seattle at midday for as low as $1,514. 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 $1,848.

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $1,706 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 Australia for as low as $1,472 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 2% on your flight if you consider stops on a Australia to Seattle flight.

Cheap Australia to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Seattle

Best price found

$726

Fastest flight time

16h 02m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Australia in the past 72 hours is $726. The best return flight deal from Australia to Seattle found on momondo in the last 72 hours is $1,222.
The fastest flight from Australia to Seattle takes 16h 02m
There are no direct flights from Australia to Seattle. Popular non-direct routes for this connection are Melbourne Airport - Seattle/Tacoma Intl Airport, Sydney Kingsford Smith Airport - Seattle/Tacoma Intl Airport and Brisbane Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • When did momondo last update prices for flights from Australia to Seattle/Tacoma Intl Airport?

    Prices for flights from Australia to Seattle/Tacoma Intl Airport refresh daily.

  • How many operators does momondo search for flights from Australia to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Australia to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Australia to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo
Airline
Rating
Free cancellation
Price
Alaska AirlinesPriceFrom $354Free cancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Air New ZealandPriceFrom $947Free cancellationRating
7.9
501 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $1,005Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $1,181Free cancellationRating
7.1
9,860 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,225Free cancellationRating
7.5
887 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,227Free cancellationRating
7.4
8,905 reviews
Search United Airlines flights
Philippine AirlinesPriceFrom $1,274Free cancellationRating
7.2
895 reviews
Search Philippine Airlines flights
DeltaPriceFrom $1,328Free cancellationRating
8.0
7,985 reviews
Search Delta flights
EVA AirPriceFrom $1,331Free cancellationRating
8.4
1,222 reviews
Search EVA Air flights
Virgin AustraliaPriceFrom $1,350Free cancellationRating
7.5
411 reviews
Search Virgin Australia 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 Australia to Seattle?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Australia to Seattle for you.

Can I find flights from Australia to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from Australia with this policy.

How can momondo help me find flights from Australia to Seattle?

momondo helps you find the best flight between Australia and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Australia to Seattle right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Australia to Seattle flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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