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Cheap flights from Adelaide to Seattle from $1,168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Adelaide to Seattle departing on 10/8. 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 Adelaide to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:25 - 06:11
ADL
-
SEA
40h 16m
2 stops
Multiple Airlines Logo
07:20 - 22:35
SEA
-
ADL
22h 45m
2 stops
$1,640Multiple Airlines
Thu, 27 Aug - Mon, 31 Aug
Singapore Airlines Logo
10:15 - 07:10
ADL
-
SEA
39h 25m
1 stop
Singapore Airlines Logo
08:45 - 17:20
SEA
-
ADL
38h 05m
1 stop
$1,694Singapore Airlines
Mon, 16 Nov - Sat, 28 Nov
Multiple Airlines Logo
06:25 - 13:05
ADL
-
SEA
25h 10m
2 stops
Multiple Airlines Logo
17:55 - 13:30
SEA
-
ADL
25h 05m
2 stops
$1,815Multiple Airlines
Tue, 24 Nov - Fri, 11 Dec
United Airlines Logo
20:00 - 21:10
ADL
-
SEA
41h 40m
3 stops
United Airlines Logo
17:20 - 11:10
SEA
-
ADL
25h 20m
2 stops
$1,822United Airlines
Sun, 9 Aug - Wed, 26 Aug
United Airlines Logo
20:00 - 12:34
ADL
-
SEA
33h 04m
2 stops
United Airlines Logo
17:20 - 11:10
SEA
-
ADL
25h 20m
2 stops
$1,822United Airlines
Sun, 9 Aug - Wed, 26 Aug
Multiple Airlines Logo
14:25 - 23:53
ADL
-
SEA
25h 58m
2 stops
Multiple Airlines Logo
07:20 - 11:55
SEA
-
ADL
36h 05m
2 stops
$1,852Multiple Airlines
Thu, 27 Aug - Mon, 31 Aug
Air Canada Logo
06:10 - 09:27
ADL
-
SEA
21h 47m
2 stops
Air Canada Logo
15:15 - 18:10
SEA
-
ADL
32h 25m
2 stops
$1,878Air Canada
Tue, 24 Nov - Tue, 15 Dec
Singapore Airlines Logo
10:15 - 07:10
ADL
-
SEA
39h 25m
1 stop
Singapore Airlines Logo
08:45 - 12:00
SEA
-
ADL
32h 45m
2 stops
$1,885Singapore Airlines
Mon, 16 Nov - Sat, 28 Nov
Air Canada Logo
06:10 - 18:22
ADL
-
SEA
30h 42m
2 stops
Air Canada Logo
15:15 - 10:55
SEA
-
ADL
25h 10m
2 stops
$1,909Air Canada
Tue, 24 Nov - Tue, 15 Dec
United Airlines Logo
08:40 - 09:40
ADL
-
SEA
43h 30m
2 stops
United Airlines Logo
23:59 - 09:30
SEA
-
ADL
63h 01m
2 stops
$1,909United Airlines
Tue, 24 Nov - Tue, 15 Dec

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Singapore Airlines flights from Adelaide to Seattle

Our best Singapore Airlines deals on Adelaide to Seattle flight tickets
Singapore Airlines
16 Nov
ADL10:15Adelaide
39h 25m
1 stop
SEA07:10Seattle/Tacoma Intl
28 Nov
SEA08:45Seattle/Tacoma Intl
38h 05m
1 stop
ADL17:20Adelaide
$1,694
Singapore Airlines
16 Nov
ADL10:15Adelaide
39h 25m
1 stop
SEA07:10Seattle/Tacoma Intl
28 Nov
SEA08:45Seattle/Tacoma Intl
32h 45m
2 stops
ADL12:00Adelaide
$1,885
Singapore Airlines
24 Nov
ADL18:20Adelaide
31h 20m
2 stops
SEA07:10Seattle/Tacoma Intl
11 Dec
SEA08:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$2,196

United Airlines flights from Adelaide to Seattle

Our best United Airlines deals on Adelaide to Seattle flight tickets
United Airlines
9 Aug
ADL20:00Adelaide
41h 40m
3 stops
SEA21:10Seattle/Tacoma Intl
26 Aug
SEA17:20Seattle/Tacoma Intl
25h 20m
2 stops
ADL11:10Adelaide
$1,822
United Airlines
24 Nov
ADL08:40Adelaide
43h 30m
2 stops
SEA09:40Seattle/Tacoma Intl
15 Dec
SEA23:59Seattle/Tacoma Intl
63h 01m
2 stops
ADL09:30Adelaide
$1,909

momondo Fare Finder

 
Customise your flight search to find flights from Adelaide 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 29 July 2026.
Use the filters below to find and compare flights from Adelaide to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 27/8

06:25-06:11

2 stops40h 16m

Seattle/Tacoma Intl

Mon 31/8

07:20-22:35

2 stops22h 45m

$1,640

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/11

10:15-07:10

1 stop39h 25m

Seattle/Tacoma Intl

Sat 28/11

08:45-17:20

1 stop38h 05m

$1,694
Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:25-13:05

2 stops25h 10m

Seattle/Tacoma Intl

Fri 11/12

17:55-13:30

2 stops25h 05m

$1,815

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 9/8

20:00-21:10

3 stops41h 40m

Seattle/Tacoma Intl

Wed 26/8

17:20-11:10

2 stops25h 20m

$1,822

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 9/8

20:00-12:34

2 stops33h 04m

Seattle/Tacoma Intl

Wed 26/8

17:20-11:10

2 stops25h 20m

$1,822

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 27/8

14:25-23:53

2 stops25h 58m

Seattle/Tacoma Intl

Mon 31/8

07:20-11:55

2 stops36h 05m

$1,852

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:10-09:27

2 stops21h 47m

Seattle/Tacoma Intl

Tue 15/12

15:15-18:10

2 stops32h 25m

$1,878

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 16/11

10:15-07:10

1 stop39h 25m

Seattle/Tacoma Intl

Sat 28/11

08:45-12:00

2 stops32h 45m

$1,885

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:10-18:22

2 stops30h 42m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,909

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

08:40-09:40

2 stops43h 30m

Seattle/Tacoma Intl

Tue 15/12

23:59-09:30

2 stops63h 01m

$1,909

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

How to get the cheapest flight ticket from Adelaide 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 October is, on average, the cheapest month to fly to Seattle from Adelaide, with most prices found around $0. If you are unable to visit Seattle during the month of October, then departing from Adelaide during the month March is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Adelaide to Seattle flights?

You could potentially save up to 12% on your flight if you consider stops on a Adelaide to Seattle flight.

When to book flights from Adelaide to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Adelaide to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Adelaide to Seattle (ADL to SEA) flight deals and tips

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

Fastest flight time

39h 25m

Direct flights

None
The fastest flight from Adelaide to Seattle takes 39h 25m
There are no direct flights from Adelaide to Seattle. There are no popular flight routes from Adelaide to Seattle.
Search flight deals

Frequently asked questions about flying from Adelaide to Seattle

  • How far is Adelaide to Seattle/Tacoma Intl by plane?

    Adelaide and Seattle/Tacoma Intl are 13407.3 km apart from one another. A reasonable flight in good conditions will take 39h 25m.

  • When did momondo last update prices for flights from Adelaide Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Adelaide Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Adelaide Airport to Seattle/Tacoma Intl Airport.

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Adelaide to Seattle?

Best airlines flying from Adelaide to Seattle

Compare and see reviews for airlines that fly from Adelaide to Seattle with momondo
Airline
Rating
Free cancellation
Price
Air CanadaPriceFrom $1,194Free cancellationRating
7.1
11,404 reviews
Search Air Canada 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 Adelaide to Seattle?

Finding the right flight to Seattle from Adelaide is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Adelaide to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Adelaide 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 Adelaide to Seattle.

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

Yes momondo offers price alerts on flights to Seattle from Adelaide. 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.

An easier way to manage your Seattle trip

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