SEA - ADL

$830 Find Cheap Flights from Seattle to Adelaide

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Adelaide departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Adelaide

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Adelaide, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Adelaide, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Seattle to Adelaide (SEA-ADL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Adelaide that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Adelaide

Mon, 23 Jun - Wed, 27 Aug
Logo
14:40 - 11:20SEA-ADL
28h 10m2 stops
Logo
12:00 - 20:24ADL-SEA
24h 54m2 stops
$1,549
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Wed, 19 Nov - Wed, 4 Feb
Logo
16:30 - 12:35SEA-ADL
25h 35m2 stops
Logo
09:25 - 18:51ADL-SEA
27h 56m2 stops
$1,589
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Thu, 7 Aug - Thu, 28 Aug
Qantas Airways Logo
17:55 - 16:15SEA-ADL
29h 50m2 stops
Qantas Airways Logo
06:00 - 21:33ADL-SEA
32h 03m2 stops
$1,593Qantas Airways
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Fri, 26 Sep - Sun, 5 Oct
Qantas Airways Logo
17:59 - 16:15SEA-ADL
29h 46m2 stops
Qantas Airways Logo
19:15 - 10:55ADL-SEA
33h 10m2 stops
$1,606Qantas Airways
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Fri, 8 Aug - Wed, 27 Aug
Qantas Airways Logo
14:32 - 12:05SEA-ADL
29h 03m2 stops
Qantas Airways Logo
12:45 - 21:33ADL-SEA
25h 18m2 stops
$1,607Qantas Airways
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Sat, 5 Jul - Thu, 31 Jul
Hawaiian Airlines Logo
08:15 - 08:55SEA-ADL
32h 10m2 stops
Hawaiian Airlines Logo
16:30 - 21:40ADL-SEA
21h 40m2 stops
$1,891Hawaiian Airlines
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Wed, 19 Nov - Sat, 7 Feb
American Airlines Logo
01:33 - 11:15SEA-ADL
39h 12m2 stops
American Airlines Logo
07:55 - 21:19ADL-SEA
31h 54m2 stops
$1,905American Airlines
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Wed, 24 Sep - Mon, 6 Oct
United Airlines Logo
17:14 - 10:05SEA-ADL
24h 21m2 stops
United Airlines Logo
06:00 - 21:15ADL-SEA
32h 45m3 stops
$1,956United Airlines
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Thu, 20 Nov - Wed, 18 Mar
United Airlines Logo
07:00 - 16:20SEA-ADL
38h 50m2 stops
United Airlines Logo
13:55 - 00:51ADL-SEA
28h 26m1 stop
$1,968United Airlines
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Sat, 5 Jul - Thu, 31 Jul
Hawaiian Airlines Logo
08:15 - 08:55SEA-ADL
32h 10m2 stops
Hawaiian Airlines Logo
16:30 - 21:40ADL-SEA
21h 40m2 stops
$2,011Hawaiian Airlines
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KAYAK's insights & trends for Seattle to Adelaide flights

Get data-powered insights and trends into flights from Seattle to Adelaide to help you find the cheapest flights, the best time to fly and much more.

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

The average price of all round-trip flights from Seattle to Adelaide clicked on KAYAK for each day over the last 12 months.

If you are looking for a flight deal from Seattle to Adelaide, look for departures on Mondays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Adelaide, Tuesday is the cheapest day to fly and Sunday is the most expensive.

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Good to know

Low seasonMarch
High seasonDecember
Cheapest flight$830
Best time to beat the crowds (23% less expensive on average)
Most popular time to fly (16% more expensive on average)
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.

FAQs for booking flights from Seattle to Adelaide

  • What is the cheapest flight from Seattle to Adelaide?

    In the last 3 days, the lowest price for a flight from Seattle to Adelaide was $541 for a one-way ticket and $1,009 for a return.

  • Which airports will I be using when flying from Seattle to Adelaide?

    Seattle airport is called Seattle/Tacoma Intl and the only airport in Adelaide is Adelaide.

  • Which aircraft models fly most regularly from Seattle to Adelaide?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Seattle to Adelaide?

    oneworld, and Star Alliance are the airline alliances operating flights between Seattle and Adelaide, with oneworld being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Seattle to Adelaide?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Adelaide.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Adelaide?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Adelaide from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Adelaide?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Adelaide with an airline and back to Seattle with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Adelaide?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Adelaide from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Adelaide

Information on your arrival and departure airports

Seattle (SEA)
Adelaide (ADL)

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