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Cheap flights from Adelaide to Seattle from $1,017

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 28/7. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
06:10 - 14:37
ADL
-
SEA
26h 57m
2 stops
Air Canada Logo
19:05 - 10:55
SEA
-
ADL
45h 20m
2 stops
$1,716Air Canada
Tue, 24 Nov - Mon, 14 Dec
Qantas Airways Logo
13:25 - 21:58
ADL
-
SEA
25h 03m
2 stops
Qantas Airways Logo
18:10 - 11:55
SEA
-
ADL
25h 15m
2 stops
$1,733Qantas Airways
Tue, 21 Jul - Wed, 5 Aug
Qantas Airways Logo
13:25 - 20:56
ADL
-
SEA
24h 01m
2 stops
Qantas Airways Logo
17:10 - 11:55
SEA
-
ADL
26h 15m
2 stops
$1,735Qantas Airways
Tue, 21 Jul - Wed, 5 Aug
Multiple Airlines Logo
06:10 - 09:17
ADL
-
SEA
21h 37m
2 stops
Multiple Airlines Logo
19:05 - 13:45
SEA
-
ADL
24h 10m
2 stops
$1,774Multiple Airlines
Tue, 24 Nov - Fri, 11 Dec
Virgin Australia Logo
06:05 - 23:10
ADL
-
SEA
33h 35m
2 stops
Virgin Australia Logo
17:04 - 10:05
SEA
-
ADL
24h 31m
2 stops
$1,864Virgin Australia
Tue, 7 Jul - Fri, 31 Jul
Virgin Australia Logo
06:05 - 23:10
ADL
-
SEA
33h 35m
2 stops
Virgin Australia Logo
17:04 - 10:05
SEA
-
ADL
24h 31m
2 stops
$1,880Virgin Australia
Tue, 7 Jul - Fri, 31 Jul
Qantas Airways Logo
19:45 - 20:01
ADL
-
SEA
40h 46m
2 stops
Qantas Airways Logo
18:10 - 11:05
SEA
-
ADL
24h 25m
2 stops
$1,881Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
Qantas Airways Logo
20:00 - 20:01
ADL
-
SEA
40h 31m
2 stops
Qantas Airways Logo
18:10 - 11:55
SEA
-
ADL
25h 15m
2 stops
$1,890Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
Qantas Airways Logo
20:00 - 20:01
ADL
-
SEA
40h 31m
2 stops
Qantas Airways Logo
18:10 - 11:55
SEA
-
ADL
25h 15m
2 stops
$1,891Qantas Airways
Fri, 17 Jul - Thu, 30 Jul
Qantas Airways Logo
20:00 - 20:01
ADL
-
SEA
40h 31m
2 stops
Qantas Airways Logo
18:10 - 11:55
SEA
-
ADL
25h 15m
2 stops
$1,893Qantas Airways
Fri, 17 Jul - Thu, 30 Jul

United Airlines flights from Adelaide to Seattle

Our best United Airlines deals on Adelaide to Seattle flight tickets
United Airlines
7 July
ADL06:05Adelaide
26h 45m
2 stops
SEA16:20Seattle/Tacoma Intl
31 July
SEA06:00Seattle/Tacoma Intl
35h 35m
2 stops
ADL10:05Adelaide
$1,894
United Airlines
17 July
ADL06:40Adelaide
24h 20m
2 stops
SEA14:30Seattle/Tacoma Intl
30 July
SEA15:33Seattle/Tacoma Intl
27h 02m
2 stops
ADL11:05Adelaide
$1,973
United Airlines
30 Oct
ADL06:10Adelaide
22h 53m
2 stops
SEA11:33Seattle/Tacoma Intl
1 Nov
SEA05:00Seattle/Tacoma Intl
38h 40m
2 stops
ADL14:10Adelaide
$2,024

Singapore Airlines flights from Adelaide to Seattle

Our best Singapore Airlines deals on Adelaide to Seattle flight tickets
Singapore Airlines
30 Oct
ADL18:35Adelaide
31h 05m
1 stop
SEA08:10Seattle/Tacoma Intl
1 Nov
SEA08:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$2,156
Singapore Airlines
30 Oct
ADL18:35Adelaide
31h 05m
1 stop
SEA08:10Seattle/Tacoma Intl
1 Nov
SEA08:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$2,162
Singapore Airlines
24 Nov
ADL10:15Adelaide
39h 25m
1 stop
SEA07:10Seattle/Tacoma Intl
15 Dec
SEA08:45Seattle/Tacoma Intl
29h 35m
1 stop
ADL08:50Adelaide
$2,218

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 6 June 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

Tue 24/11

06:10-14:37

2 stops26h 57m

Seattle/Tacoma Intl

Mon 14/12

19:05-10:55

2 stops45h 20m

$1,716

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-21:58

2 stops25h 03m

Seattle/Tacoma Intl

Wed 5/8

18:10-11:55

2 stops25h 15m

$1,733

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-20:56

2 stops24h 01m

Seattle/Tacoma Intl

Wed 5/8

17:10-11:55

2 stops26h 15m

$1,735
Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:10-09:17

2 stops21h 37m

Seattle/Tacoma Intl

Fri 11/12

19:05-13:45

2 stops24h 10m

$1,774

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 7/7

06:05-23:10

2 stops33h 35m

Seattle/Tacoma Intl

Fri 31/7

17:04-10:05

2 stops24h 31m

$1,864

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 7/7

06:05-23:10

2 stops33h 35m

Seattle/Tacoma Intl

Fri 31/7

17:04-10:05

2 stops24h 31m

$1,880

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

19:45-20:01

2 stops40h 46m

Seattle/Tacoma Intl

Thu 30/7

18:10-11:05

2 stops24h 25m

$1,881

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

20:00-20:01

2 stops40h 31m

Seattle/Tacoma Intl

Thu 30/7

18:10-11:55

2 stops25h 15m

$1,890

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

20:00-20:01

2 stops40h 31m

Seattle/Tacoma Intl

Thu 30/7

18:10-11:55

2 stops25h 15m

$1,891

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

20:00-20:01

2 stops40h 31m

Seattle/Tacoma Intl

Thu 30/7

18:10-11:55

2 stops25h 15m

$1,893

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 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 typical price of a round-trip flight between Adelaide and Seattle?

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 November is also very affordable. Most momondo users find prices during this month for around $1,318.

Can stopping save me money on Adelaide to Seattle flights?

You could potentially save up to 23% 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

24h 50m

Direct flights

None
The fastest flight from Adelaide to Seattle takes 24h 50m
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 24h 50m.

  • 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 $1,174Free cancellationRating
7.1
11,129 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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