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Cheap flights from Adelaide to Seattle from $965

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 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
06:10 - 14:31ADL-SEA
26h 51m2 stops
Air Canada Logo
15:40 - 16:20SEA-ADL
30h 10m2 stops
$1,430Air Canada
Find Deal
Thu, 29 Jan - Mon, 2 Feb
Air Canada Logo
06:10 - 14:31ADL-SEA
26h 51m2 stops
Air Canada Logo
15:40 - 16:20SEA-ADL
30h 10m2 stops
$1,439Air Canada
Find Deal
Thu, 29 Jan - Mon, 2 Feb
Qantas Airways Logo
07:50 - 14:24ADL-SEA
25h 04m2 stops
Qantas Airways Logo
17:53 - 13:40SEA-ADL
25h 17m2 stops
$1,525Qantas Airways
Find Deal
Wed, 17 Dec - Tue, 20 Jan
Qantas Airways Logo
07:50 - 14:24ADL-SEA
25h 04m2 stops
Qantas Airways Logo
17:53 - 07:05SEA-ADL
42h 42m2 stops
$1,651Qantas Airways
Find Deal
Mon, 15 Dec - Tue, 20 Jan
Multiple Airlines Logo
12:35 - 18:20ADL-SEA
24h 15m2 stops
Multiple Airlines Logo
10:50 - 09:35SEA-ADL
28h 15m2 stops
$2,122Multiple Airlines
Find Deal
Mon, 15 Dec - Tue, 20 Jan
Multiple Airlines Logo
10:10 - 18:55ADL-SEA
27h 15m2 stops
Multiple Airlines Logo
10:50 - 09:35SEA-ADL
28h 15m2 stops
$2,311Multiple Airlines
Find Deal
Tue, 16 Dec - Fri, 16 Jan
United Airlines Logo
14:55 - 12:49ADL-SEA
40h 24m2 stops
United Airlines Logo
05:00 - 09:30SEA-ADL
34h 00m2 stops
$2,322United Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
Multiple Airlines Logo
07:50 - 15:47ADL-SEA
26h 27m3 stops
Multiple Airlines Logo
15:57 - 10:55SEA-ADL
24h 28m2 stops
$2,363Multiple Airlines
Find Deal
Wed, 17 Dec - Tue, 20 Jan
United Airlines Logo
09:30 - 11:41ADL-SEA
44h 41m2 stops
United Airlines Logo
08:10 - 10:55SEA-ADL
56h 15m3 stops
$2,397United Airlines
Find Deal
Sat, 10 Jan - Sat, 17 Jan
United Airlines Logo
14:55 - 00:50ADL-SEA
28h 25m1 stop
United Airlines Logo
09:25 - 09:30SEA-ADL
29h 35m1 stop
$2,413United Airlines
Find Deal
Mon, 15 Dec - Sat, 17 Jan

Air Canada flights from Adelaide to Seattle

Our best Air Canada deals on Adelaide to Seattle flight tickets
Air Canada
29 Jan
ADL06:10Adelaide
26h 51m
2 stops
SEA14:31Seattle/Tacoma Intl
2 Feb
SEA15:40Seattle/Tacoma Intl
30h 10m
2 stops
ADL16:20Adelaide
$1,430
Find similar
Air Canada
29 Jan
ADL06:10Adelaide
26h 51m
2 stops
SEA14:31Seattle/Tacoma Intl
2 Feb
SEA15:40Seattle/Tacoma Intl
30h 10m
2 stops
ADL16:20Adelaide
$1,439
Find similar

Qantas Airways flights from Adelaide to Seattle

Our best Qantas Airways deals on Adelaide to Seattle flight tickets
Qantas Airways
17 Dec
ADL07:50Adelaide
25h 04m
2 stops
SEA14:24Seattle/Tacoma Intl
20 Jan
SEA17:53Seattle/Tacoma Intl
25h 17m
2 stops
ADL13:40Adelaide
$1,525
Find similar
Qantas Airways
15 Dec
ADL07:50Adelaide
25h 04m
2 stops
SEA14:24Seattle/Tacoma Intl
20 Jan
SEA17:53Seattle/Tacoma Intl
42h 42m
2 stops
ADL07:05Adelaide
$1,651
Find similar
Qantas Airways
16 Dec
ADL18:30Adelaide
38h 24m
2 stops
SEA14:24Seattle/Tacoma Intl
16 Jan
SEA15:45Seattle/Tacoma Intl
24h 40m
2 stops
ADL10:55Adelaide
$3,144
Find similar

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 28 November 2025.
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

Thu 29/1

06:10-14:31

2 stops26h 51m

Seattle/Tacoma Intl

Mon 2/2

15:40-16:20

2 stops30h 10m

$1,430

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 29/1

06:10-14:31

2 stops26h 51m

Seattle/Tacoma Intl

Mon 2/2

15:40-16:20

2 stops30h 10m

$1,439

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

07:50-14:24

2 stops25h 04m

Seattle/Tacoma Intl

Tue 20/1

17:53-13:40

2 stops25h 17m

$1,525

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

07:50-14:24

2 stops25h 04m

Seattle/Tacoma Intl

Tue 20/1

17:53-07:05

2 stops42h 42m

$1,651

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

12:35-18:20

2 stops24h 15m

Seattle/Tacoma Intl

Tue 20/1

10:50-09:35

2 stops28h 15m

$2,122

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 16/12

10:10-18:55

2 stops27h 15m

Seattle/Tacoma Intl

Fri 16/1

10:50-09:35

2 stops28h 15m

$2,311

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sat 10/1

14:55-12:49

2 stops40h 24m

Seattle/Tacoma Intl

Sat 17/1

05:00-09:30

2 stops34h 00m

$2,322

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 17/12

07:50-15:47

3 stops26h 27m

Seattle/Tacoma Intl

Tue 20/1

15:57-10:55

2 stops24h 28m

$2,363

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sat 10/1

09:30-11:41

2 stops44h 41m

Seattle/Tacoma Intl

Sat 17/1

08:10-10:55

3 stops56h 15m

$2,397

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 15/12

14:55-00:50

1 stop28h 25m

Seattle/Tacoma Intl

Sat 17/1

09:25-09:30

1 stop29h 35m

$2,413

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from Adelaide to Seattle is on a Tuesday. Travellers who choose to depart for Seattle on a Tuesday will often find tickets for as low as $1,610. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Adelaide to Seattle for around $2,338.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is in the afternoon. momondo users have found flights departing from Adelaide to Seattle in the afternoon for as low as $1,791. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is at midday when prices are around $2,400.

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

25h 04m

Direct flights

None
The fastest flight from Adelaide to Seattle takes 25h 04m
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 20h 35m.

  • 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 $939Free cancellationRating
8.0
537 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,372Free cancellationRating
7.5
946 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,424Free cancellationRating
8.1
1,411 reviews
Search Singapore Airlines flights
Air CanadaPriceFrom $1,475Free cancellationRating
7.1
10,484 reviews
Search Air Canada flights
Virgin AustraliaPriceFrom $1,743Free cancellationRating
7.6
425 reviews
Search Virgin Australia flights
United AirlinesPriceFrom $1,745Free cancellationRating
7.4
9,056 reviews
Search United Airlines 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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