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Cheap flights from Seattle to Adelaide from $1,002

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Adelaide departing on 17/5. 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.
Qantas Airways Logo
17:28 - 11:55
SEA
-
ADL
25h 57m
2 stops
Qantas Airways Logo
13:20 - 21:58
ADL
-
SEA
25h 08m
2 stops
$1,731Qantas Airways
Fri, 5 Jun - Tue, 16 Jun
Multiple Airlines Logo
17:06 - 09:25
SEA
-
ADL
23h 49m
2 stops
Multiple Airlines Logo
06:00 - 12:56
ADL
-
SEA
23h 26m
2 stops
$1,764Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
17:00 - 09:25
SEA
-
ADL
23h 55m
2 stops
Multiple Airlines Logo
06:00 - 12:56
ADL
-
SEA
23h 26m
2 stops
$1,777Multiple Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
13:00 - 11:05
SEA
-
ADL
29h 35m
2 stops
Multiple Airlines Logo
13:15 - 22:44
ADL
-
SEA
25h 59m
2 stops
$1,784Multiple Airlines
Thu, 7 May - Wed, 20 May
Multiple Airlines Logo
17:28 - 11:05
SEA
-
ADL
25h 07m
2 stops
Multiple Airlines Logo
13:25 - 12:01
ADL
-
SEA
39h 06m
2 stops
$1,789Multiple Airlines
Fri, 15 May - Wed, 27 May
Multiple Airlines Logo
18:40 - 11:05
SEA
-
ADL
23h 55m
2 stops
Multiple Airlines Logo
13:25 - 21:07
ADL
-
SEA
24h 12m
2 stops
$1,795Multiple Airlines
Thu, 7 May - Wed, 20 May
Multiple Airlines Logo
19:16 - 09:25
SEA
-
ADL
45h 39m
2 stops
Multiple Airlines Logo
06:25 - 21:49
ADL
-
SEA
31h 54m
2 stops
$1,805Multiple Airlines
Sat, 30 May - Tue, 9 Jun
Multiple Airlines Logo
07:35 - 22:35
SEA
-
ADL
22h 30m
2 stops
Multiple Airlines Logo
12:40 - 23:59
ADL
-
SEA
27h 49m
2 stops
$1,809Multiple Airlines
Fri, 29 May - Fri, 5 Jun
Multiple Airlines Logo
17:06 - 09:25
SEA
-
ADL
23h 49m
2 stops
Multiple Airlines Logo
09:15 - 21:07
ADL
-
SEA
28h 22m
2 stops
$1,834Multiple Airlines
Mon, 4 May - Wed, 20 May
Multiple Airlines Logo
20:50 - 22:35
SEA
-
ADL
33h 15m
2 stops
Multiple Airlines Logo
14:25 - 23:59
ADL
-
SEA
26h 04m
2 stops
$1,842Multiple Airlines
Wed, 3 Jun - Tue, 16 Jun

Qatar Airways flights from Seattle to Adelaide

Our best Qatar Airways deals on Seattle to Adelaide flight tickets
Qatar Airways
6 July
SEA16:25Seattle/Tacoma Intl
50h 35m
2 stops
ADL11:30Adelaide
24 July
ADL21:40Adelaide
31h 15m
1 stop
SEA12:25Seattle/Tacoma Intl
$2,291
Qatar Airways
1 May
SEA21:41Seattle/Tacoma Intl
54h 59m
3 stops
ADL21:10Adelaide
18 May
ADL14:30Adelaide
49h 39m
3 stops
SEA23:39Seattle/Tacoma Intl
$4,773
Qatar Airways
1 May
SEA21:41Seattle/Tacoma Intl
54h 59m
3 stops
ADL21:10Adelaide
16 May
ADL09:45Adelaide
69h 30m
2 stops
SEA14:45Seattle/Tacoma Intl
$6,293

Qantas Airways flights from Seattle to Adelaide

Our best Qantas Airways deals on Seattle to Adelaide flight tickets
Qantas Airways
5 June
SEA17:28Seattle/Tacoma Intl
25h 57m
2 stops
ADL11:55Adelaide
16 June
ADL13:20Adelaide
25h 08m
2 stops
SEA21:58Seattle/Tacoma Intl
$1,731
Qantas Airways
7 June
SEA14:40Seattle/Tacoma Intl
39h 25m
2 stops
ADL22:35Adelaide
23 June
ADL13:15Adelaide
25h 13m
2 stops
SEA21:58Seattle/Tacoma Intl
$1,845
Qantas Airways
2 June
SEA17:28Seattle/Tacoma Intl
24h 22m
2 stops
ADL10:20Adelaide
16 June
ADL06:00Adelaide
32h 19m
2 stops
SEA21:49Seattle/Tacoma Intl
$1,884

momondo Fare Finder

 
Customise your flight search to find flights from Seattle to Adelaide 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 18 April 2026.
Use the filters below to find and compare flights from Seattle to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 5/6

17:28-11:55

2 stops25h 57m

Adelaide

Tue 16/6

13:20-21:58

2 stops25h 08m

$1,731
Fastest return journey

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 12/5

17:06-09:25

2 stops23h 49m

Adelaide

Tue 19/5

06:00-12:56

2 stops23h 26m

$1,764

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 1/6

17:00-09:25

2 stops23h 55m

Adelaide

Mon 8/6

06:00-12:56

2 stops23h 26m

$1,777

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 7/5

13:00-11:05

2 stops29h 35m

Adelaide

Wed 20/5

13:15-22:44

2 stops25h 59m

$1,784

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 15/5

17:28-11:05

2 stops25h 07m

Adelaide

Wed 27/5

13:25-12:01

2 stops39h 06m

$1,789

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 7/5

18:40-11:05

2 stops23h 55m

Adelaide

Wed 20/5

13:25-21:07

2 stops24h 12m

$1,795

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 30/5

19:16-09:25

2 stops45h 39m

Adelaide

Tue 9/6

06:25-21:49

2 stops31h 54m

$1,805

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 29/5

07:35-22:35

2 stops22h 30m

Adelaide

Fri 5/6

12:40-23:59

2 stops27h 49m

$1,809

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 4/5

17:06-09:25

2 stops23h 49m

Adelaide

Wed 20/5

09:15-21:07

2 stops28h 22m

$1,834

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Wed 3/6

20:50-22:35

2 stops33h 15m

Adelaide

Tue 16/6

14:25-23:59

2 stops26h 04m

$1,842

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Adelaide from

How to get the cheapest flight ticket from Seattle to Adelaide

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 airline that flies from Seattle/Tacoma Intl to Adelaide?

United Airlines and Cathay Pacific are the most popular carriers operating from Seattle/Tacoma Intl to Adelaide

When to book flights from Seattle to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Adelaide (SEA to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Adelaide

Fastest flight time

22h 05m

Direct flights

None
The fastest flight from Seattle to Adelaide takes 22h 05m
There are no direct flights from Seattle to Adelaide. There are no popular flight routes from Seattle to Adelaide.
Search flight deals

Frequently asked questions about flying from Seattle to Adelaide

  • How far is Seattle/Tacoma Intl to Adelaide by plane?

    The distance between Seattle/Tacoma Intl and Adelaide is about 13407.3 km. Typically, this will take 22h 05m by plane in normal conditions.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Adelaide Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Adelaide Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The necessary travel and health documents for your Adelaide Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Adelaide?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Adelaide from Seattle.

Can I find flights from Seattle to Adelaide with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Adelaide flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Adelaide?

momondo provides multiple filters to help you find the best flight to Adelaide from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Adelaide right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Adelaide flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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