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Cheap flights from Washington to Adelaide from $802

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Adelaide departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:55 - 11:50
SEA
-
ADL
28h 25m
2 stops
Multiple Airlines Logo
17:15 - 14:20
ADL
-
SEA
37h 35m
2 stops
$1,395Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
14:55 - 13:55
SEA
-
ADL
30h 30m
2 stops
Multiple Airlines Logo
17:15 - 10:05
ADL
-
SEA
33h 20m
2 stops
$1,503Multiple Airlines
Thu, 7 May - Thu, 14 May
Multiple Airlines Logo
15:40 - 16:40
SEA
-
ADL
32h 30m
2 stops
Multiple Airlines Logo
20:00 - 09:38
ADL
-
SEA
30h 08m
2 stops
$1,517Multiple Airlines
Sat, 25 Apr - Tue, 28 Apr
Multiple Airlines Logo
19:20 - 18:10
SEA
-
ADL
30h 20m
2 stops
Multiple Airlines Logo
17:15 - 10:05
ADL
-
SEA
33h 20m
2 stops
$1,529Multiple Airlines
Sat, 9 May - Sat, 16 May
Multiple Airlines Logo
19:20 - 13:30
SEA
-
ADL
25h 40m
2 stops
Multiple Airlines Logo
19:35 - 09:52
ADL
-
SEA
30h 47m
2 stops
$1,654Multiple Airlines
Mon, 6 Jul - Fri, 24 Jul
Multiple Airlines Logo
19:20 - 13:30
SEA
-
ADL
25h 40m
2 stops
Multiple Airlines Logo
19:35 - 09:52
ADL
-
SEA
30h 47m
2 stops
$1,655Multiple Airlines
Mon, 6 Jul - Fri, 24 Jul
Multiple Airlines Logo
19:20 - 13:55
SEA
-
ADL
26h 05m
2 stops
Multiple Airlines Logo
19:35 - 09:52
ADL
-
SEA
30h 47m
2 stops
$1,664Multiple Airlines
Mon, 6 Jul - Fri, 24 Jul
Air Canada Logo
10:45 - 15:55
SEA
-
ADL
36h 40m
2 stops
Air Canada Logo
20:00 - 10:05
ADL
-
SEA
30h 35m
2 stops
$1,702Air Canada
Fri, 8 May - Tue, 12 May
Multiple Airlines Logo
19:06 - 13:35
SEA
-
ADL
25h 59m
3 stops
Multiple Airlines Logo
06:00 - 13:01
ADL
-
SEA
23h 31m
2 stops
$1,949Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
07:40 - 19:05
SEA
-
ADL
42h 55m
2 stops
Multiple Airlines Logo
08:50 - 06:00
ADL
-
SEA
37h 40m
2 stops
$2,068Multiple Airlines
Mon, 13 Apr - Fri, 24 Apr

Air Canada flights from State of Washington to Adelaide

Our best Air Canada deals on State of Washington to Adelaide flight tickets
Air Canada
8 May
SEA10:45Seattle/Tacoma Intl
36h 40m
2 stops
ADL15:55Adelaide
12 May
ADL20:00Adelaide
30h 35m
2 stops
SEA10:05Seattle/Tacoma Intl
$1,702
Air Canada
25 Apr
SEA08:00Seattle/Tacoma Intl
35h 20m
3 stops
ADL11:50Adelaide
28 Apr
ADL20:00Adelaide
30h 08m
2 stops
SEA09:38Seattle/Tacoma Intl
$3,167

Emirates flights from State of Washington to Adelaide

Our best Emirates deals on State of Washington to Adelaide flight tickets
Emirates
5 May
SEA17:15Seattle/Tacoma Intl
34h 20m
1 stop
ADL20:05Adelaide
12 May
ADL22:00Adelaide
31h 55m
1 stop
SEA13:25Seattle/Tacoma Intl
$3,525
Emirates
8 May
SEA17:15Seattle/Tacoma Intl
34h 20m
1 stop
ADL20:05Adelaide
12 May
ADL22:00Adelaide
31h 55m
1 stop
SEA13:25Seattle/Tacoma Intl
$3,718
Emirates
5 May
SEA11:39Seattle/Tacoma Intl
39h 56m
2 stops
ADL20:05Adelaide
12 May
ADL22:00Adelaide
31h 55m
1 stop
SEA13:25Seattle/Tacoma Intl
$3,953

momondo Fare Finder

 
Customise your flight search to find flights from State of Washington 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 25 March 2026.
Use the filters below to find and compare flights from Washington 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

Tue 5/5

14:55-11:50

2 stops28h 25m

Adelaide

Tue 12/5

17:15-14:20

2 stops37h 35m

$1,395

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Thu 7/5

14:55-13:55

2 stops30h 30m

Adelaide

Thu 14/5

17:15-10:05

2 stops33h 20m

$1,503

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 25/4

15:40-16:40

2 stops32h 30m

Adelaide

Tue 28/4

20:00-09:38

2 stops30h 08m

$1,517

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Sat 9/5

19:20-18:10

2 stops30h 20m

Adelaide

Sat 16/5

17:15-10:05

2 stops33h 20m

$1,529

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 6/7

19:20-13:30

2 stops25h 40m

Adelaide

Fri 24/7

19:35-09:52

2 stops30h 47m

$1,654

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 6/7

19:20-13:30

2 stops25h 40m

Adelaide

Fri 24/7

19:35-09:52

2 stops30h 47m

$1,655

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 6/7

19:20-13:55

2 stops26h 05m

Adelaide

Fri 24/7

19:35-09:52

2 stops30h 47m

$1,664

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Fri 8/5

10:45-15:55

2 stops36h 40m

Adelaide

Tue 12/5

20:00-10:05

2 stops30h 35m

$1,702
Fastest return journey

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Tue 5/5

19:06-13:35

3 stops25h 59m

Adelaide

Tue 12/5

06:00-13:01

2 stops23h 31m

$1,949

SeattleAdelaide

SEA - ADL

SEAADL

Seattle/Tacoma Intl

Mon 13/4

07:40-19:05

2 stops42h 55m

Adelaide

Fri 24/4

08:50-06:00

2 stops37h 40m

$2,068

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 State of Washington 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 Washington to Adelaide?

Air Canada is the most popular carrier operating from Washington to Adelaide

Cheap State of Washington to Adelaide flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Adelaide

Fastest flight time

25h 40m

Direct flights

None
The fastest flight from State of Washington to Adelaide takes 25h 40m
There are no direct flights from State of Washington to Adelaide. There are no popular flight routes from State of Washington to Adelaide.
Search flight deals

  • When did momondo last update prices for flights from Washington to Adelaide Airport?

    Prices for flights from Washington to Adelaide Airport were last updated today.

  • How old do you have to be to fly from Washington to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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 Washington to Adelaide?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Adelaide. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Adelaide from Washington which offer a flexible booking policy as well as other useful filters and features.

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

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 Washington to Adelaide.

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

Price alerts on flights to Adelaide from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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