Which airlines fly to Seattle?

Virgin Australia, Qantas Airways and Air Canada are the top three most popular airlines that fly to Seattle from Adelaide according to our data. Virgin Australia is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 6 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

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?

There are 6 operators available for flights from Adelaide Airport to Seattle/Tacoma Intl Airport as of January 2026.

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.

$1,441 Cheap Flights from Adelaide to Seattle in 2026

1 adult

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Find the cheapest flights from Adelaide to Seattle

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 13:59

ADL

SEA

24h 39m

2 stops

19:05 - 17:45

SEA

ADL

29h 10m

2 stops

$1,441Qantas Airways

Tue, 3 Mar - Tue, 10 Mar

13:25 - 22:49

ADL

SEA

25h 54m

2 stops

17:26 - 09:25

SEA

ADL

23h 29m

2 stops

$1,494Multiple Airlines

Mon, 18 May - Tue, 26 May

12:40 - 22:49

ADL

SEA

50h 39m

2 stops

07:00 - 09:25

SEA

ADL

33h 55m

2 stops

$1,497American Airlines

Sun, 17 May - Wed, 27 May

12:40 - 18:07

ADL

SEA

45h 57m

2 stops

14:32 - 13:40

SEA

ADL

30h 38m

2 stops

$1,506American Airlines

Sun, 17 May - Tue, 26 May

12:40 - 22:49

ADL

SEA

26h 39m

2 stops

07:00 - 09:25

SEA

ADL

33h 55m

2 stops

$1,507American Airlines

Mon, 18 May - Mon, 25 May

14:55 - 21:01

ADL

SEA

24h 36m

1 stop

19:10 - 08:30

SEA

ADL

43h 50m

2 stops

$1,530United Airlines

Wed, 4 Mar - Wed, 11 Mar

12:40 - 22:49

ADL

SEA

26h 39m

2 stops

14:32 - 09:25

SEA

ADL

26h 23m

2 stops

$1,583American Airlines

Sun, 17 May - Mon, 25 May

17:35 - 08:45

ADL

SEA

31h 40m

1 stop

10:15 - 07:25

SEA

ADL

28h 40m

1 stop

$1,589Singapore Airlines

Mon, 18 May - Tue, 26 May

06:05 - 14:18

ADL

SEA

24h 43m

2 stops

19:32 - 11:05

SEA

ADL

23h 03m

2 stops

$1,797United Airlines

Wed, 8 Jul - Wed, 29 Jul

17:50 - 10:43

ADL

SEA

33h 23m

3 stops

17:30 - 11:05

SEA

ADL

25h 05m

2 stops

$1,859Virgin Australia

Mon, 18 May - Tue, 26 May

United Airlines flights from Adelaide to Seattle

Our best United Airlines deals on Adelaide to Seattle flight tickets

United Airlines

4 Mar

ADL14:55Adelaide

24h 36m

1 stop

SEA21:01Seattle/Tacoma Intl

11 Mar

SEA19:10Seattle/Tacoma Intl

43h 50m

2 stops

ADL08:30Adelaide

$1,530

United Airlines

8 July

ADL06:05Adelaide

24h 43m

2 stops

SEA14:18Seattle/Tacoma Intl

29 July

SEA19:32Seattle/Tacoma Intl

23h 03m

2 stops

ADL11:05Adelaide

$1,797

Emirates flights from Adelaide to Seattle

Our best Emirates deals on Adelaide to Seattle flight tickets

Emirates

3 Mar

ADL22:40Adelaide

32h 25m

1 stop

SEA12:35Seattle/Tacoma Intl

10 Mar

SEA17:05Seattle/Tacoma Intl

34h 15m

1 stop

ADL20:50Adelaide

$3,445

Emirates

4 Mar

ADL22:40Adelaide

32h 25m

1 stop

SEA12:35Seattle/Tacoma Intl

11 Mar

SEA17:05Seattle/Tacoma Intl

34h 15m

1 stop

ADL20:50Adelaide

$16,982

Fly from

Fly to

Route

Depart

Return

Price

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 3/3

07:50-13:59

2 stops24h 39m

Seattle/Tacoma Intl

Tue 10/3

19:05-17:45

2 stops29h 10m

$1,441

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 18/5

13:25-22:49

2 stops25h 54m

Seattle/Tacoma Intl

Tue 26/5

17:26-09:25

2 stops23h 29m

$1,494

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 17/5

12:40-22:49

2 stops50h 39m

Seattle/Tacoma Intl

Wed 27/5

07:00-09:25

2 stops33h 55m

$1,497

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 17/5

12:40-18:07

2 stops45h 57m

Seattle/Tacoma Intl

Tue 26/5

14:32-13:40

2 stops30h 38m

$1,506

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 18/5

12:40-22:49

2 stops26h 39m

Seattle/Tacoma Intl

Mon 25/5

07:00-09:25

2 stops33h 55m

$1,507

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 4/3

14:55-21:01

1 stop24h 36m

Seattle/Tacoma Intl

Wed 11/3

19:10-08:30

2 stops43h 50m

$1,530

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Sun 17/5

12:40-22:49

2 stops26h 39m

Seattle/Tacoma Intl

Mon 25/5

14:32-09:25

2 stops26h 23m

$1,583

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 18/5

17:35-08:45

1 stop31h 40m

Seattle/Tacoma Intl

Tue 26/5

10:15-07:25

1 stop28h 40m

$1,589

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 8/7

06:05-14:18

2 stops24h 43m

Seattle/Tacoma Intl

Wed 29/7

19:32-11:05

2 stops23h 03m

$1,797

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 18/5

17:50-10:43

3 stops33h 23m

Seattle/Tacoma Intl

Tue 26/5

17:30-11:05

2 stops25h 05m

$1,858

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

Prices

Airlines

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	23h 47m
Direct flights	None

The fastest flight from Adelaide to Seattle takes 23h 47m

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 23h 47m.
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?
There are 6 operators available for flights from Adelaide Airport to Seattle/Tacoma Intl Airport as of January 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Adelaide to Seattle is Virgin Australia (26% of total bookings). The next most popular airlines are Qantas Airways (22%), Air Canada (15%), and United Airlines (15%).

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 Zealand	PriceFrom $917	Free cancellation	Rating 8.0 572 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $1,340	Free cancellation	Rating 7.5 972 reviews	Search Qantas Airways flights
Singapore Airlines	PriceFrom $1,390	Free cancellation	Rating 8.1 1,431 reviews	Search Singapore Airlines flights
Air Canada	PriceFrom $1,441	Free cancellation	Rating 7.1 10,632 reviews	Search Air Canada flights
Virgin Australia	PriceFrom $1,691	Free cancellation	Rating 7.6 430 reviews	Search Virgin Australia flights
United Airlines	PriceFrom $1,704	Free cancellation	Rating 7.4 9,176 reviews	Search United Airlines flights

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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.