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Cheap flights from Australia to Seattle from $793

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 20/5. 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

Enter your travel dates to find the best prices.
United Airlines Logo
10:55 - 16:20
MEL
-
SEA
22h 25m
1 stop
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
$1,299United Airlines
Tue, 2 Jun - Wed, 8 Jul
United Airlines Logo
10:55 - 23:32
MEL
-
SEA
29h 37m
1 stop
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
$1,302United Airlines
Sat, 6 Jun - Sat, 13 Jun
United Airlines Logo
10:55 - 12:34
MEL
-
SEA
18h 39m
1 stop
United Airlines Logo
05:07 - 08:15
SEA
-
MEL
34h 08m
2 stops
$1,303United Airlines
Fri, 29 May - Wed, 24 Jun
United Airlines Logo
10:55 - 14:30
MEL
-
SEA
20h 35m
1 stop
United Airlines Logo
19:05 - 08:15
SEA
-
MEL
20h 10m
1 stop
$1,304United Airlines
Fri, 29 May - Wed, 24 Jun
Qantas Airways Logo
09:45 - 21:45
MEL
-
SEA
29h 00m
1 stop
Qantas Airways Logo
17:22 - 06:45
SEA
-
MEL
20h 23m
1 stop
$1,495Qantas Airways
Mon, 3 Aug - Sat, 5 Sep
Qantas Airways Logo
14:25 - 21:02
ADL
-
SEA
47h 07m
2 stops
Qantas Airways Logo
18:10 - 11:05
SEA
-
ADL
24h 25m
2 stops
$1,747Qantas Airways
Tue, 21 Jul - Wed, 5 Aug
Virgin Australia Logo
06:05 - 20:53
ADL
-
SEA
31h 18m
2 stops
Virgin Australia Logo
17:06 - 19:25
SEA
-
ADL
33h 49m
2 stops
$1,870Virgin Australia
Sun, 7 Jun - Sun, 14 Jun
Singapore Airlines Logo
16:55 - 08:45
PER
-
SEA
30h 50m
1 stop
Singapore Airlines Logo
08:45 - 05:25
SEA
-
PER
28h 40m
1 stop
$1,918Singapore Airlines
Thu, 22 Oct - Thu, 5 Nov
Air Canada Logo
22:40 - 10:05
PER
-
SEA
26h 25m
2 stops
Air Canada Logo
19:20 - 15:45
SEA
-
PER
29h 25m
2 stops
$1,925Air Canada
Thu, 4 Jun - Thu, 11 Jun
Singapore Airlines Logo
18:15 - 08:45
CNS
-
SEA
55h 30m
1 stop
Singapore Airlines Logo
10:15 - 17:00
SEA
-
CNS
37h 45m
1 stop
$1,979Singapore Airlines
Tue, 1 Sep - Fri, 18 Sep

Virgin Australia flights from Australia to Seattle

Our best Virgin Australia deals on Australia to Seattle flight tickets
Virgin Australia
1 June
MEL10:55Melbourne
20h 35m
1 stop
SEA14:30Seattle/Tacoma Intl
10 June
SEA15:33Seattle/Tacoma Intl
23h 42m
1 stop
MEL08:15Melbourne
$1,598
Virgin Australia
10 June
MEL10:55Melbourne
26h 58m
1 stop
SEA20:53Seattle/Tacoma Intl
17 June
SEA19:05Seattle/Tacoma Intl
20h 10m
1 stop
MEL08:15Melbourne
$1,599
Virgin Australia
10 June
MEL06:00Melbourne
29h 47m
2 stops
SEA18:47Seattle/Tacoma Intl
17 June
SEA19:05Seattle/Tacoma Intl
20h 10m
1 stop
MEL08:15Melbourne
$1,622

Alaska Airlines flights from Australia to Seattle

Our best Alaska Airlines deals on Australia to Seattle flight tickets
Alaska Airlines
9 June
SYD20:45Sydney Kingsford Smith
18h 08m
1 stop
SEA21:53Seattle/Tacoma Intl
28 June
SEA21:10Seattle/Tacoma Intl
28h 40m
1 stop
SYD18:50Sydney Kingsford Smith
$1,602
Alaska Airlines
9 June
SYD20:45Sydney Kingsford Smith
18h 08m
1 stop
SEA21:53Seattle/Tacoma Intl
26 June
SEA08:00Seattle/Tacoma Intl
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
$1,614
Alaska Airlines
12 June
SYD20:45Sydney Kingsford Smith
17h 49m
1 stop
SEA21:34Seattle/Tacoma Intl
28 June
SEA21:10Seattle/Tacoma Intl
28h 40m
1 stop
SYD18:50Sydney Kingsford Smith
$1,625

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 12 May 2026.
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

Cheapest return flight

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Tue 2/6

10:55-16:20

1 stop22h 25m

Seattle/Tacoma Intl

Wed 8/7

19:05-08:15

1 stop20h 10m

$1,299

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Sat 6/6

10:55-23:32

1 stop29h 37m

Seattle/Tacoma Intl

Sat 13/6

19:05-08:15

1 stop20h 10m

$1,302

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:55-12:34

1 stop18h 39m

Seattle/Tacoma Intl

Wed 24/6

05:07-08:15

2 stops34h 08m

$1,303
Fastest return journey

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 29/5

10:55-14:30

1 stop20h 35m

Seattle/Tacoma Intl

Wed 24/6

19:05-08:15

1 stop20h 10m

$1,304

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 3/8

09:45-21:45

1 stop29h 00m

Seattle/Tacoma Intl

Sat 5/9

17:22-06:45

1 stop20h 23m

$1,495

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

14:25-21:02

2 stops47h 07m

Seattle/Tacoma Intl

Wed 5/8

18:10-11:05

2 stops24h 25m

$1,747

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 7/6

06:05-20:53

2 stops31h 18m

Seattle/Tacoma Intl

Sun 14/6

17:06-19:25

2 stops33h 49m

$1,870

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 22/10

16:55-08:45

1 stop30h 50m

Seattle/Tacoma Intl

Thu 5/11

08:45-05:25

1 stop28h 40m

$1,918

PerthSeattle

PER - SEA

PERSEA

Perth

Thu 4/6

22:40-10:05

2 stops26h 25m

Seattle/Tacoma Intl

Thu 11/6

19:20-15:45

2 stops29h 25m

$1,925

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Tue 1/9

18:15-08:45

1 stop55h 30m

Seattle/Tacoma Intl

Fri 18/9

10:15-17:00

1 stop37h 45m

$1,979

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 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 December is, on average, the cheapest month to fly to Seattle from Australia, with most prices found around $591. If you are unable to visit Seattle during the month of December, then departing from Australia during the month August is also very affordable. Most momondo users find prices during this month for around $596.

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 $1,408 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 $957 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 1% 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

Fastest flight time

18h 12m

Direct flights

None
The fastest flight from Australia to Seattle takes 18h 12m
There are no direct flights from Australia to Seattle. There are no popular flight routes from Australia to Seattle.
Search flight deals

Frequently asked questions about flying from Australia to Seattle

  • 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
DeltaPriceFrom $671Free cancellationRating
7.9
8,445 reviews
Search Delta flights
Virgin AustraliaPriceFrom $798Free cancellationRating
7.6
451 reviews
Search Virgin Australia flights
Air CanadaPriceFrom $911Free cancellationRating
7.1
11,022 reviews
Search Air Canada flights
United AirlinesPriceFrom $928Free cancellationRating
7.4
9,701 reviews
Search United Airlines flights
American AirlinesPriceFrom $936Free cancellationRating
7.1
11,662 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $1,016Free cancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Qantas AirwaysPriceFrom $1,041Free cancellationRating
7.5
1,035 reviews
Search Qantas Airways flights
Alaska AirlinesPriceFrom $1,042Free cancellationRating
7.9
12,352 reviews
Search Alaska Airlines flights
EVA AirPriceFrom $1,103Free cancellationRating
8.5
1,445 reviews
Search EVA Air flights
Air New ZealandPriceFrom $1,145Free cancellationRating
8.0
642 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 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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