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Cheap flights from Australia to Seattle from $395

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 3/4. 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
0 bags

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Find the cheapest flights from Australia to Seattle

Recent round-trip flight deals from Australia to Seattle

Enter your travel dates to find the best prices.
American Airlines Logo
9:40 am - 10:54 am
BNE
-
SEA
43h 14m
1 stop
American Airlines Logo
6:22 pm - 5:00 am
SEA
-
BNE
41h 38m
2 stops
$592American Airlines
Fri, Mar 6 - Mon, Mar 9
American Airlines Logo
9:40 am - 7:29 pm
BNE
-
SEA
27h 49m
1 stop
American Airlines Logo
6:22 pm - 5:30 am
SEA
-
BNE
42h 08m
2 stops
$594American Airlines
Fri, Mar 6 - Mon, Mar 9
Qantas Airways Logo
7:40 pm - 8:58 pm
BNE
-
SEA
18h 18m
1 stop
Qantas Airways Logo
2:53 pm - 5:00 am
SEA
-
BNE
21h 07m
1 stop
$648Qantas Airways
Tue, Mar 10 - Tue, Mar 24
Delta Logo
10:00 am - 10:01 pm
MEL
-
SEA
29h 01m
2 stops
Delta Logo
9:30 am - 7:50 am
SEA
-
MEL
29h 20m
1 stop
$816Delta
Fri, May 29 - Wed, Jun 24
Delta Logo
9:10 am - 12:49 pm
MEL
-
SEA
21h 39m
1 stop
Delta Logo
7:59 pm - 8:50 am
SEA
-
MEL
42h 51m
1 stop
$817Delta
Wed, Mar 18 - Thu, Mar 26
Air Canada Logo
9:20 am - 2:20 pm
SYD
-
SEA
22h 00m
1 stop
Air Canada Logo
3:00 pm - 7:20 am
SEA
-
SYD
23h 20m
1 stop
$850Air Canada
Wed, May 20 - Tue, Jun 9
Air Canada Logo
10:20 am - 7:16 pm
SYD
-
SEA
26h 56m
1 stop
Air Canada Logo
10:10 am - 8:35 am
SEA
-
SYD
28h 25m
1 stop
$851Air Canada
Wed, Mar 11 - Wed, Mar 25
United Airlines Logo
10:30 am - 6:04 pm
MEL
-
SEA
25h 34m
2 stops
United Airlines Logo
3:30 pm - 8:30 am
SEA
-
MEL
23h 00m
2 stops
$916United Airlines
Mon, Mar 16 - Thu, Mar 26
United Airlines Logo
9:30 am - 9:10 pm
MEL
-
SEA
28h 40m
2 stops
United Airlines Logo
8:45 am - 8:15 am
SEA
-
MEL
30h 30m
1 stop
$918United Airlines
Wed, Jun 3 - Sat, Jul 11
Qantas Airways Logo
11:45 am - 8:42 pm
CNS
-
SEA
25h 57m
2 stops
Qantas Airways Logo
2:53 pm - 2:05 pm
SEA
-
CNS
30h 12m
2 stops
$1,011Qantas Airways
Thu, Mar 19 - Mon, Mar 23

Air Canada flights from Australia to Seattle

Our best Air Canada deals on Australia to Seattle flight tickets
Air Canada
Feb 23
BNE10:45 amBrisbane
30h 12m
1 stop
SEA10:57 pmSeattle/Tacoma Intl
Mar 14
SEA3:40 pmSeattle/Tacoma Intl
23h 05m
1 stop
BNE7:45 amBrisbane
$712
Air Canada
Feb 23
BNE10:45 amBrisbane
30h 12m
1 stop
SEA10:57 pmSeattle/Tacoma Intl
Mar 14
SEA8:00 pmSeattle/Tacoma Intl
27h 55m
2 stops
BNE4:55 pmBrisbane
$764
Air Canada
Mar 6
BNE6:05 amBrisbane
21h 30m
2 stops
SEA9:35 amSeattle/Tacoma Intl
Mar 9
SEA8:00 pmSeattle/Tacoma Intl
22h 30m
2 stops
BNE11:30 amBrisbane
$788

United Airlines flights from Australia to Seattle

Our best United Airlines deals on Australia to Seattle flight tickets
United Airlines
Mar 16
MEL10:30 amMelbourne
25h 34m
2 stops
SEA6:04 pmSeattle/Tacoma Intl
Mar 26
SEA3:30 pmSeattle/Tacoma Intl
23h 00m
2 stops
MEL8:30 amMelbourne
$916
United Airlines
Jun 3
MEL9:30 amMelbourne
28h 40m
2 stops
SEA9:10 pmSeattle/Tacoma Intl
Jul 11
SEA8:45 amSeattle/Tacoma Intl
30h 30m
1 stop
MEL8:15 amMelbourne
$918
United Airlines
Jun 14
MEL10:55 amMelbourne
30h 04m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
Jul 7
SEA7:32 pmSeattle/Tacoma Intl
19h 43m
1 stop
MEL8:15 amMelbourne
$922

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 8, 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

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 3/6

9:40 am-10:54 am

1 stop43h 14m

Seattle/Tacoma Intl

Mon 3/9

6:22 pm-5:00 am

2 stops41h 38m

$592

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Fri 3/6

9:40 am-7:29 pm

1 stop27h 49m

Seattle/Tacoma Intl

Mon 3/9

6:22 pm-5:30 am

2 stops42h 08m

$594

BrisbaneSeattle

BNE - SEA

BNESEA

Brisbane

Tue 3/10

7:40 pm-8:58 pm

1 stop18h 18m

Seattle/Tacoma Intl

Tue 3/24

2:53 pm-5:00 am

1 stop21h 07m

$648

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Fri 5/29

10:00 am-10:01 pm

2 stops29h 01m

Seattle/Tacoma Intl

Wed 6/24

9:30 am-7:50 am

1 stop29h 20m

$816

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 3/18

9:10 am-12:49 pm

1 stop21h 39m

Seattle/Tacoma Intl

Thu 3/26

7:59 pm-8:50 am

1 stop42h 51m

$817

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 5/20

9:20 am-2:20 pm

1 stop22h 00m

Seattle/Tacoma Intl

Tue 6/9

3:00 pm-7:20 am

1 stop23h 20m

$850

SydneySeattle

SYD - SEA

SYDSEA

Sydney Kingsford Smith

Wed 3/11

10:20 am-7:16 pm

1 stop26h 56m

Seattle/Tacoma Intl

Wed 3/25

10:10 am-8:35 am

1 stop28h 25m

$851

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Mon 3/16

10:30 am-6:04 pm

2 stops25h 34m

Seattle/Tacoma Intl

Thu 3/26

3:30 pm-8:30 am

2 stops23h 00m

$916

MelbourneSeattle

MEL - SEA

MELSEA

Melbourne

Wed 6/3

9:30 am-9:10 pm

2 stops28h 40m

Seattle/Tacoma Intl

Sat 7/11

8:45 am-8:15 am

1 stop30h 30m

$918

CairnsSeattle

CNS - SEA

CNSSEA

Cairns

Thu 3/19

11:45 am-8:42 pm

2 stops25h 57m

Seattle/Tacoma Intl

Mon 3/23

2:53 pm-2:05 pm

2 stops30h 12m

$1,011

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, August is the cheapest month to fly from Australia to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $904. If you don’t want to visit Seattle in August, then you should wait until September to fly from Australia, when ticket prices are also cheap, with an average price of $948.

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 $1,078 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Australia for as low as $909 on momondo.

Can stopping save me money on Australia to Seattle flights?

You could potentially save up to 32% 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

17h 44m

Direct flights

None
The fastest flight from Australia to Seattle takes 17h 44m
There are no direct flights from Australia to Seattle. There are no popular flight routes from Australia to Seattle.
Search flight deals

  • 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 are updated 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 layovers. 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 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 license 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 Australia to Seattle

Compare and see reviews for airlines that fly from Australia to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $431Free CancellationRating
7.1
10,697 reviews
Search Air Canada flights
United AirlinesPriceFrom $794Free CancellationRating
7.4
9,254 reviews
Search United Airlines flights
DeltaPriceFrom $802Free CancellationRating
7.9
8,172 reviews
Search Delta flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Westport
Kirkland
Centralia
Fife
Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Australia to Seattle?

It is quick and easy to find Australia to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits 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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Australia to Seattle.

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

Price alerts on flights to Seattle from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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