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Cheap flights from Adelaide to Seattle from $934

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 14/5. 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 Adelaide to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:35 - 09:38
ADL
-
SEA
30h 33m
2 stops
Multiple Airlines Logo
20:00 - 13:30
SEA
-
ADL
25h 00m
2 stops
$1,463Multiple Airlines
Wed, 15 Apr - Wed, 22 Apr
Air Canada Logo
20:00 - 09:35
ADL
-
SEA
30h 05m
2 stops
Air Canada Logo
15:40 - 11:50
SEA
-
ADL
27h 40m
2 stops
$1,579Air Canada
Mon, 13 Apr - Mon, 20 Apr
Air Canada Logo
20:00 - 19:20
ADL
-
SEA
39h 50m
2 stops
Air Canada Logo
15:45 - 15:55
SEA
-
ADL
31h 40m
2 stops
$1,642Air Canada
Thu, 16 Apr - Thu, 23 Apr
Qantas Airways Logo
19:10 - 22:01
ADL
-
SEA
43h 21m
2 stops
Qantas Airways Logo
14:32 - 11:05
SEA
-
ADL
28h 03m
2 stops
$1,734Qantas Airways
Wed, 15 Jul - Thu, 30 Jul
Qantas Airways Logo
11:50 - 22:44
ADL
-
SEA
27h 24m
2 stops
Qantas Airways Logo
14:32 - 22:35
SEA
-
ADL
39h 33m
2 stops
$1,757Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
Qantas Airways Logo
11:50 - 22:44
ADL
-
SEA
27h 24m
2 stops
Qantas Airways Logo
14:32 - 11:05
SEA
-
ADL
28h 03m
2 stops
$1,768Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
United Airlines Logo
19:00 - 21:06
ADL
-
SEA
42h 36m
3 stops
United Airlines Logo
07:12 - 11:05
SEA
-
ADL
35h 23m
2 stops
$1,815United Airlines
Wed, 15 Apr - Wed, 22 Apr
Qantas Airways Logo
17:10 - 22:44
ADL
-
SEA
22h 04m
2 stops
Qantas Airways Logo
14:32 - 22:35
SEA
-
ADL
39h 33m
2 stops
$1,839Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
Qantas Airways Logo
13:25 - 22:55
ADL
-
SEA
26h 00m
2 stops
Qantas Airways Logo
14:32 - 11:15
SEA
-
ADL
28h 13m
2 stops
$1,857Qantas Airways
Tue, 21 Jul - Wed, 5 Aug
United Airlines Logo
06:05 - 12:34
ADL
-
SEA
22h 59m
2 stops
United Airlines Logo
17:04 - 11:05
SEA
-
ADL
25h 31m
2 stops
$1,910United Airlines
Tue, 21 Jul - Wed, 5 Aug

Air Canada flights from Adelaide to Seattle

Our best Air Canada deals on Adelaide to Seattle flight tickets
Air Canada
13 Apr
ADL20:00Adelaide
30h 05m
2 stops
SEA09:35Seattle/Tacoma Intl
20 Apr
SEA15:40Seattle/Tacoma Intl
27h 40m
2 stops
ADL11:50Adelaide
$1,579
Air Canada
16 Apr
ADL20:00Adelaide
39h 50m
2 stops
SEA19:20Seattle/Tacoma Intl
23 Apr
SEA15:45Seattle/Tacoma Intl
31h 40m
2 stops
ADL15:55Adelaide
$1,642
Air Canada
16 Apr
ADL20:00Adelaide
42h 23m
3 stops
SEA21:53Seattle/Tacoma Intl
23 Apr
SEA08:00Seattle/Tacoma Intl
39h 25m
3 stops
ADL15:55Adelaide
$3,773

Cathay Pacific flights from Adelaide to Seattle

Our best Cathay Pacific deals on Adelaide to Seattle flight tickets
Cathay Pacific
16 Apr
ADL06:00Adelaide
43h 29m
3 stops
SEA08:59Seattle/Tacoma Intl
23 Apr
SEA11:45Seattle/Tacoma Intl
30h 50m
2 stops
ADL11:05Adelaide
$2,314
Cathay Pacific
28 May
ADL06:00Adelaide
43h 27m
3 stops
SEA08:57Seattle/Tacoma Intl
18 June
SEA12:25Seattle/Tacoma Intl
36h 50m
2 stops
ADL17:45Adelaide
$11,706
Cathay Pacific
28 May
ADL14:20Adelaide
47h 17m
3 stops
SEA21:07Seattle/Tacoma Intl
18 June
SEA12:25Seattle/Tacoma Intl
32h 40m
2 stops
ADL13:35Adelaide
$11,749

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 4 March 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

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/4

19:35-09:38

2 stops30h 33m

Seattle/Tacoma Intl

Wed 22/4

20:00-13:30

2 stops25h 00m

$1,463

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 13/4

20:00-09:35

2 stops30h 05m

Seattle/Tacoma Intl

Mon 20/4

15:40-11:50

2 stops27h 40m

$1,579

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 16/4

20:00-19:20

2 stops39h 50m

Seattle/Tacoma Intl

Thu 23/4

15:45-15:55

2 stops31h 40m

$1,642

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/7

19:10-22:01

2 stops43h 21m

Seattle/Tacoma Intl

Thu 30/7

14:32-11:05

2 stops28h 03m

$1,734

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

11:50-22:44

2 stops27h 24m

Seattle/Tacoma Intl

Thu 30/7

14:32-22:35

2 stops39h 33m

$1,757

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

11:50-22:44

2 stops27h 24m

Seattle/Tacoma Intl

Thu 30/7

14:32-11:05

2 stops28h 03m

$1,768

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/4

19:00-21:06

3 stops42h 36m

Seattle/Tacoma Intl

Wed 22/4

07:12-11:05

2 stops35h 23m

$1,815

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

17:10-22:44

2 stops22h 04m

Seattle/Tacoma Intl

Thu 30/7

14:32-22:35

2 stops39h 33m

$1,839

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-22:55

2 stops26h 00m

Seattle/Tacoma Intl

Wed 5/8

14:32-11:15

2 stops28h 13m

$1,857

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

06:05-12:34

2 stops22h 59m

Seattle/Tacoma Intl

Wed 5/8

17:04-11:05

2 stops25h 31m

$1,910

Flights are sorted by cheapest return 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 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

Can stopping save me money on Adelaide to Seattle flights?

You could potentially save up to 8% 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

30h 33m

Direct flights

None
The fastest flight from Adelaide to Seattle takes 30h 33m
There are no direct flights from Adelaide to Seattle. There are no popular flight routes from Adelaide to Seattle.
Search flight deals

  • 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 30h 33m.

  • 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 New ZealandPriceFrom $869Free cancellationRating
8.0
606 reviews
Search Air New Zealand flights
Air CanadaPriceFrom $1,181Free cancellationRating
7.1
10,770 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,270Free cancellationRating
7.5
1,001 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,493Free cancellationRating
7.4
9,380 reviews
Search United Airlines flights
Virgin AustraliaPriceFrom $1,604Free cancellationRating
7.6
445 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 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.

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