Which airports can I use when flying from Seattle to Adelaide?

Flights from Seattle to Adelaide usually depart from Seattle/Tacoma Intl (SEA) and arrive at Adelaide (ADL).

Which cabin classes can I book on flights from Seattle to Adelaide?

Only Economy class is available on flights from Seattle to Adelaide.

Can I save money by using flexible dates for flights from Seattle to Adelaide?

Yes. Flexible dates can save you up to 31% on flights from Seattle to Adelaide. Thursday is the cheapest departure day at $1,585 return on average, while Sunday is the most expensive at $2,290, a difference of $705. KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Adelaide?

Some of the most popular sights in Adelaide are Adelaide Convention Centre, Adelaide Casino, and Victoria Park. These are among the most viewed places in Adelaide on KAYAK.

How long is a flight from Seattle to Adelaide?

A direct flight from Seattle to Adelaide takes 00m, covering 21,580 km.

Do I need a passport to fly from Seattle to Adelaide?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How are flight prices from Seattle to Adelaide looking right now?

One-way fares from Seattle to Adelaide are currently higher than usual. Average one-way flight prices are about $1,050, which is 8% above the typical average for this route.

What is the time difference between Seattle and Adelaide?

Adelaide is 17 hours ahead of Seattle (Central Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Which car hire options are available at Adelaide Airport (ADL)?

Adelaide Airport (ADL) hosts 5 major car hire companies, with daily rates starting from around $16 for economy cars. Top options include: • Bargain Car Rentals • Simba Car Hire • East Coast Car Rentals • Europcar • Thrifty

How much should I expect to pay for a Seattle to Adelaide flight?

Return flights from Seattle to Adelaide range from $1,602 to $1,880, with an average of $1,729 over the past 12 months. Anything below $1,602 counts as a good deal.

How much is a return flight from Seattle to Adelaide?

Return flights from Seattle to Adelaide typically range from $1,602 to $1,880. The lowest price found in the past 5 days was $1,507 on Air Canada.

What's the cheapest day of the week to fly from Seattle to Adelaide?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Seattle to Adelaide. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 32% higher.

Which airline is the cheapest to fly from Seattle to Adelaide?

Air Canada ($1,507) offered the cheapest return ticket from Seattle to Adelaide in the last 5 days.

$893 CHEAP FLIGHTS from Seattle to Adelaide (SEA - ADL)

Save 26% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

$1,507

Typical prices: $1,602-$1,880

Air Canada

Wed 14/2Tue 20/2

SEA - ADL • 2 stops

Cheapest one-way flight

$893

Typical prices: $905-$1,050

Cathay Pacific

Fri 23/11

SEA - ADL • 1 stop

Direct flights

Not available

There are currently no direct flights between Seattle and Adelaide. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

March

Cheapest • 18% price drop

March

Most popular

Good to know

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Adelaide!

Flight Deals

Cheap Flights from Seattle to Adelaide (SEA-ADL)

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Recent return flight deals from Seattle to Adelaide

Sun, 14 Feb - Sat, 20 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

14:30 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

37h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,507Air Canada

Sun, 14 Feb - Sat, 20 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

14:30 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

37h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,547Air Canada

Sun, 14 Feb - Sat, 20 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

14:30 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

37h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,548Air Canada

Sun, 14 Feb - Sat, 20 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

14:30 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

37h 32m2 stops Sydney Kingsford Smith Vancouver Intl

$1,550Air Canada

Fri, 12 Feb - Sun, 21 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

06:10 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

30h 42m2 stops Brisbane Vancouver Intl

$1,551Air Canada

Fri, 12 Feb - Sun, 21 Feb

19:05 - 14:05SEA Seattle/Tacoma Intl-ADL Adelaide

24h 30m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

22h 02m2 stops Sydney Kingsford Smith Vancouver Intl

$1,555Multiple Airlines

Fri, 12 Feb - Sun, 21 Feb

19:05 - 14:05SEA Seattle/Tacoma Intl-ADL Adelaide

24h 30m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

22h 02m2 stops Sydney Kingsford Smith Vancouver Intl

$1,557Multiple Airlines

Fri, 12 Feb - Sun, 21 Feb

15:15 - 13:55SEA Seattle/Tacoma Intl-ADL Adelaide

28h 10m2 stops Vancouver Intl Sydney Kingsford Smith

06:00 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

30h 52m2 stops Sydney Kingsford Smith Vancouver Intl

$1,558Air Canada

Sun, 14 Feb - Sat, 20 Feb

15:30 - 16:20SEA Seattle/Tacoma Intl-ADL Adelaide

30h 20m2 stops San Francisco Brisbane

06:10 - 21:12ADL Adelaide-SEA Seattle/Tacoma Intl

33h 32m3 stops Melbourne Los Angeles Denver Intl

$1,797United Airlines

Tue, 8 Dec - Tue, 15 Dec

13:14 - 16:20SEA Seattle/Tacoma Intl-ADL Adelaide

32h 36m2 stops San Francisco Brisbane

06:10 - 18:28ADL Adelaide-SEA Seattle/Tacoma Intl

30h 48m2 stops Brisbane San Francisco

$1,844United Airlines

Recent last minute flight deals from Seattle to Adelaide

Sat, 31 Oct - Wed, 4 Nov

17:23 - 13:00SEA Seattle/Tacoma Intl-ADL Adelaide

26h 07m2 stops San Francisco Melbourne

19:55 - 19:37ADL Adelaide-SEA Seattle/Tacoma Intl

42h 12m2 stops Sydney Kingsford Smith Los Angeles

$1,872United Airlines

Sat, 31 Oct - Wed, 4 Nov

17:23 - 13:00SEA Seattle/Tacoma Intl-ADL Adelaide

26h 07m2 stops San Francisco Melbourne

19:55 - 19:37ADL Adelaide-SEA Seattle/Tacoma Intl

42h 12m2 stops Sydney Kingsford Smith Los Angeles

$1,874United Airlines

Sat, 31 Oct - Wed, 4 Nov

17:23 - 13:00SEA Seattle/Tacoma Intl-ADL Adelaide

26h 07m2 stops San Francisco Melbourne

19:55 - 19:37ADL Adelaide-SEA Seattle/Tacoma Intl

42h 12m2 stops Sydney Kingsford Smith Los Angeles

$1,875United Airlines

Sat, 31 Oct - Wed, 4 Nov

17:05 - 20:50SEA Seattle/Tacoma Intl-ADL Adelaide

34h 15m1 stop Dubai Intl

22:40 - 13:35ADL Adelaide-SEA Seattle/Tacoma Intl

33h 25m1 stop Dubai Intl

$3,846Emirates

Sat, 31 Oct - Wed, 4 Nov

17:05 - 20:50SEA Seattle/Tacoma Intl-ADL Adelaide

34h 15m1 stop Dubai Intl

22:40 - 13:35ADL Adelaide-SEA Seattle/Tacoma Intl

33h 25m1 stop Dubai Intl

$3,848Emirates

Sat, 31 Oct - Wed, 4 Nov

16:50 - 15:55SEA Seattle/Tacoma Intl-ADL Adelaide

29h 35m1 stop Doha Hamad Intl

11:00 - 12:15ADL Adelaide-SEA Seattle/Tacoma Intl

67h 45m2 stops Kuala Lumpur Intl Doha Hamad Intl

$3,895Qatar Airways

Sat, 31 Oct - Wed, 4 Nov

17:05 - 20:50SEA Seattle/Tacoma Intl-ADL Adelaide

34h 15m1 stop Dubai Intl

22:40 - 13:35ADL Adelaide-SEA Seattle/Tacoma Intl

33h 25m1 stop Dubai Intl

$4,062Emirates

Sat, 31 Oct - Wed, 4 Nov

16:50 - 15:55SEA Seattle/Tacoma Intl-ADL Adelaide

29h 35m1 stop Doha Hamad Intl

11:00 - 12:15ADL Adelaide-SEA Seattle/Tacoma Intl

67h 45m2 stops Kuala Lumpur Intl Doha Hamad Intl

$4,185Qatar Airways

Sat, 31 Oct - Wed, 4 Nov

16:50 - 15:55SEA Seattle/Tacoma Intl-ADL Adelaide

29h 35m1 stop Doha Hamad Intl

11:00 - 12:15ADL Adelaide-SEA Seattle/Tacoma Intl

67h 45m2 stops Kuala Lumpur Intl Doha Hamad Intl

$4,301Qatar Airways

Sat, 31 Oct - Wed, 4 Nov

17:05 - 20:50SEA Seattle/Tacoma Intl-ADL Adelaide

34h 15m1 stop Dubai Intl

22:40 - 13:35ADL Adelaide-SEA Seattle/Tacoma Intl

33h 25m1 stop Dubai Intl

$5,676Emirates

Booking Insights

Price, demand, and travel trends for Seattle to Adelaide flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a return flight from Seattle to Adelaide? This analysis is based on the cheapest return price found on KAYAK in the last 12 months by searching for a flight from Seattle to Adelaide departing in February.
What's the cheapest day of the week to fly from Seattle to Adelaide?: Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Seattle to Adelaide. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 32% higher.

Find deals

Low season	October
High season	March
Cheapest flight	$893

Beat the crowds with an average 71% drop in traveller numbers.

The most popular month to fly with an average 55% increase in traveller numbers.

One-way flight from Seattle to Adelaide

When to book flights from Seattle to Adelaide

Are your dates flexible? Find out the best times to travel from Seattle to Adelaide based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated return price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Seattle to Adelaide?
Only Economy class is available on flights from Seattle to Adelaide.
How long is a flight from Seattle to Adelaide?
A direct flight from Seattle to Adelaide takes 00m, covering 21,580 km.
Do I need a passport to fly from Seattle to Adelaide?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Seattle to Adelaide flight?
Return flights from Seattle to Adelaide range from $1,602 to $1,880, with an average of $1,729 over the past 12 months. Anything below $1,602 counts as a good deal.
How are flight prices from Seattle to Adelaide looking right now?
One-way fares from Seattle to Adelaide are currently higher than usual. Average one-way flight prices are about $1,050, which is 8% above the typical average for this route.
Which car hire options are available at Adelaide Airport (ADL)?
Adelaide Airport (ADL) hosts 5 major car hire companies, with daily rates starting from around $16 for economy cars. Top options include:

• Bargain Car Rentals
• Simba Car Hire
• East Coast Car Rentals
• Europcar
• Thrifty
Which airports can I use when flying from Seattle to Adelaide?
Flights from Seattle to Adelaide usually depart from Seattle/Tacoma Intl (SEA) and arrive at Adelaide (ADL).
Can I save money by using flexible dates for flights from Seattle to Adelaide?
Yes. Flexible dates can save you up to 31% on flights from Seattle to Adelaide. Thursday is the cheapest departure day at $1,585 return on average, while Sunday is the most expensive at $2,290, a difference of $705.

KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between Seattle and Adelaide?
Adelaide is 17 hours ahead of Seattle (Central Australia Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Adelaide?
Some of the most popular sights in Adelaide are Adelaide Convention Centre, Adelaide Casino, and Victoria Park. These are among the most viewed places in Adelaide on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $1,585, about $705 less than Sunday fares (31% savings) based on the last 12 months.
If you can choose when to travel, plan your Seattle to Adelaide trip for March. Fares historically average $1,410 return in that month – typically $2,098 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Adelaide Airport.

• Atura Adelaide Airport
• Lockleys Hotel

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SEA - ADL

$893 Find Cheap Flights from Seattle to Adelaide – Compare and Save

Everything you should know

Cheap Flights from Seattle to Adelaide (SEA-ADL)

Recent return flight deals from Seattle to Adelaide

Recent one-way flight deals from Seattle to Adelaide

Recent last minute flight deals from Seattle to Adelaide

Price, demand, and travel trends for Seattle to Adelaide flights

How much is a return flight from Seattle to Adelaide?

What's the cheapest day of the week to fly from Seattle to Adelaide?

Which airline is the cheapest to fly from Seattle to Adelaide?

Key details for Seattle to Adelaide flights

Low season

High season

Cheapest flight

When to book flights from Seattle to Adelaide

Your Seattle to Adelaide flight questions, answered

Your guide to booking Seattle to Adelaide flights

More options for your flight from Seattle to Adelaide

Complete your trip to Adelaide with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights from Seattle to Adelaide

Find direct flights to and from Seattle and Adelaide

Flights from domestic origins to Adelaide

Flights to other popular destinations

Find deals for your return flight