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. Being flexible with your travel dates can save you up to 39% on the Seattle to Adelaide route. Thursday is the cheapest departure day at $1,589 return on average, while Sunday is the most expensive at $2,579, a difference of $991. KAYAK's flexible dates feature shows options up to 3 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 0h 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 $1,850, which is 87% above the typical average for this route.

What is the time difference between Seattle and Adelaide?

Adelaide is 16 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 • Budget

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

Return flights from Seattle to Adelaide range from $1,588 to $2,030, with an average of $1,760 over the past 12 months. Anything below $1,588 counts as a good deal.

How much is a return flight from Seattle to Adelaide?

Return flights from Seattle to Adelaide start at $1,732. Prices are typical for this route right now, with typical return fares ranging from $1,588 to $2,030. The lowest price found in the past 5 days was $1,732 on Air New Zealand.

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

Thursday is the cheapest day of the week to fly from Seattle to Adelaide and is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 46% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

Air New Zealand ($1,732) and Air Canada ($1,765) are the cheapest airlines to fly return from Seattle to Adelaide according to KAYAK data over the last 5 days.

$1,022 CHEAP FLIGHTS from Seattle to Adelaide (SEA - ADL)

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Cheapest return flight

$1,732

Typical prices: $1,588-$2,030

Air New Zealand

Mon 12/2Wed 21/2

SEA - ADL • 2 stops

Cheapest one-way flight

$1,022

Typical prices: $924-$1,001

Qantas Airways

Mon 31/12

SEA - ADL • 2 stops

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 • 10% price drop

March

Most popular

Good to know

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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

Fri, 12 Feb - Sun, 21 Feb

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Auckland Intl

12:05 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

24h 47m2 stops Auckland Intl Vancouver Intl

$1,732Air New Zealand

Wed, 11 Nov - Wed, 18 Nov

15:48 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

24h 37m2 stops San Francisco Auckland Intl

12:05 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

24h 47m2 stops Auckland Intl Vancouver Intl

$1,734Multiple Airlines

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

$1,765Air Canada

Fri, 12 Feb - Sun, 21 Feb

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Auckland Intl

12:05 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

24h 47m2 stops Auckland Intl Vancouver Intl

$1,799Air New Zealand

Fri, 12 Feb - Sun, 21 Feb

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Auckland Intl

12:05 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

24h 47m2 stops Auckland Intl Vancouver Intl

$1,801Air New Zealand

Fri, 12 Feb - Sun, 21 Feb

15:15 - 10:55SEA Seattle/Tacoma Intl-ADL Adelaide

25h 10m2 stops Vancouver Intl Auckland Intl

12:05 - 18:22ADL Adelaide-SEA Seattle/Tacoma Intl

24h 47m2 stops Auckland Intl Vancouver Intl

$1,804Air New Zealand

Sat, 7 Nov - Sat, 14 Nov

19:05 - 22:30SEA Seattle/Tacoma Intl-ADL Adelaide

32h 55m2 stops Vancouver Intl Brisbane

06:10 - 09:32ADL Adelaide-SEA Seattle/Tacoma Intl

21h 52m2 stops Brisbane Vancouver Intl

$1,813Air Canada

Sat, 20 Feb - Tue, 2 Mar

19:05 - 16:20SEA Seattle/Tacoma Intl-ADL Adelaide

26h 45m2 stops Vancouver Intl Brisbane

06:10 - 18:20ADL Adelaide-SEA Seattle/Tacoma Intl

30h 40m2 stops Brisbane Vancouver Intl

$1,815Air 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

$1,819Air 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

$1,822Air Canada

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 from Seattle to Adelaide 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?: Thursday is the cheapest day of the week to fly from Seattle to Adelaide and is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 46% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	October
High season	March
Cheapest flight	$1,022

Best time to beat the crowds but there is an average 2% increase in price.

Most popular time to fly and prices are also 10% lower on average.

Flights 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.

How long is a flight from Seattle to Adelaide?
A direct flight from Seattle to Adelaide takes 0h 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 $1,588 to $2,030, with an average of $1,760 over the past 12 months. Anything below $1,588 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 $1,850, which is 87% 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
• Budget
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. Being flexible with your travel dates can save you up to 39% on the Seattle to Adelaide route. Thursday is the cheapest departure day at $1,589 return on average, while Sunday is the most expensive at $2,579, a difference of $991. KAYAK's flexible dates feature shows options up to 3 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 16 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 instead of Sunday. On this route, Thursday flights average $1,589 – about $991 less than Sunday (38% 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 $1,579 return in that month – typically $770 less than the most expensive month, which is November (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

$1,022 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?

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

Key details for Seattle to Adelaide flights

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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

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