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Cheap flights from Adelaide to Washington from $1,116

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
27 Jul — 3 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Adelaide to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Adelaide to Washington
Explore the most affordable flight options available from Adelaide to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 June 2026.

Tue 21/713:25
ADL
-
SEA
2 stops24h 01m
Qantas Airways
Wed 5/817:10
SEA
-
ADL
2 stops26h 15m
Qantas Airways
Deal found 26/6$1,761
Mon 10/812:40
ADL
-
PDX
2 stops27h 49m
Qantas Airways
Mon 17/814:39
PDX
-
ADL
2 stops27h 56m
Qantas Airways
Deal found 26/6$1,780
Tue 21/706:05
ADL
-
SEA
2 stops22h 59m
Virgin Australia
Tue 28/708:35
SEA
-
ADL
2 stops33h 50m
Virgin Australia
Deal found 23/6$1,789
Tue 24/1106:00
ADL
-
SEA
2 stops24h 55m
Qantas Airways
Fri 11/1214:10
SEA
-
ADL
2 stops26h 15m
Qantas Airways
Deal found 24/6$1,793
Sat 8/812:40
ADL
-
SEA
2 stops23h 51m
Qantas Airways
Sat 22/817:32
SEA
-
ADL
2 stops25h 03m
Qantas Airways
Deal found 24/6$1,825
Tue 24/1106:10
ADL
-
SEA
2 stops21h 47m
Air Canada
Tue 15/1219:05
SEA
-
ADL
2 stops24h 20m
Air Canada
Deal found 25/6$1,838
Sat 8/806:00
ADL
-
PDX
2 stops31h 18m
Qantas Airways
Sat 15/806:35
PDX
-
ADL
2 stops36h 00m
Qantas Airways
Deal found 24/6$1,863
Fri 17/720:00
ADL
-
SEA
2 stops42h 15m
Qantas Airways
Thu 30/718:10
SEA
-
ADL
2 stops25h 15m
Qantas Airways
Deal found 23/6$1,880
Thu 22/1007:40
ADL
-
PDX
2 stops28h 21m
United Airlines
Mon 26/1013:19
PDX
-
ADL
2 stops31h 21m
United Airlines
Deal found 24/6$1,882
Tue 24/1106:10
ADL
-
SEA
2 stops26h 57m
Multiple Airlines
Fri 11/1219:05
SEA
-
ADL
2 stops24h 10m
Multiple Airlines
Deal found 25/6$1,906
Fri 17/706:40
ADL
-
SEA
2 stops22h 24m
United Airlines
Thu 30/710:29
SEA
-
ADL
2 stops32h 06m
United Airlines
Deal found 26/6$1,930
Thu 22/1006:00
ADL
-
PDX
2 stops32h 39m
American Airlines
Mon 26/1023:59
PDX
-
ADL
2 stops43h 31m
American Airlines
Deal found 23/6$1,966

Find flight deals from Adelaide to Washington

Keep the following information in mind while searching for Adelaide to Washington flight deals. Data was last updated 27 June 2026.

Round-trip from

$1,761

One-way from

$1,116

Popular in

June

Cheapest in

August

Average price

$1,877
Qantas Airways
  • Qantas Airways
  • 21/7-5/8
  • 4 total stops
  • 50h 16m total
  • Adelaide to Washington
Search Deals
7/8
  • 7/8
  • 3 total stops
  • 42h 28m total
  • Adelaide to Washington
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($129 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($50 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Adelaide to Washington 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, Cheapflights users made 647,157 searches. Data last updated 27 June 2026.
Use the filters below to find and compare flights from Adelaide to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

13:25-20:56

2 stops24h 01m

Seattle/Tacoma Intl

Wed 5/8

17:10-11:55

2 stops26h 15m

$1,764

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

20:00-21:45

2 stops42h 15m

Seattle/Tacoma Intl

Thu 30/7

18:10-11:55

2 stops25h 15m

$1,880

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 22/10

07:40-18:31

2 stops28h 21m

Portland

Mon 26/10

13:19-14:10

2 stops31h 21m

$1,882

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:10-14:37

2 stops26h 57m

Seattle/Tacoma Intl

Fri 11/12

19:05-16:25

2 stops26h 50m

$1,906

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

06:40-12:34

2 stops22h 24m

Seattle/Tacoma Intl

Thu 30/7

10:29-11:05

2 stops32h 06m

$1,931

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 22/10

06:00-21:09

2 stops32h 39m

Portland

Mon 26/10

23:59-13:00

2 stops43h 31m

$1,966

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Mon 10/8

19:45-22:00

3 stops42h 45m

Portland

Mon 17/8

17:36-10:55

2 stops24h 49m

$2,082

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 24/11

06:00-21:23

3 stops33h 53m

Seattle/Tacoma Intl

Tue 15/12

12:15-13:55

2 stops31h 10m

$2,391

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Sat 8/8

19:45-22:48

3 stops43h 33m

Portland

Sat 15/8

07:46-22:35

2 stops22h 19m

$2,495
Cheapest one-way

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 7/8

06:15-08:13

3 stops42h 28m

$1,116

Flights are sorted by cheapest return flights first.

Deals found on 23/6

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

Best time to book a flight from Adelaide to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Adelaide with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Adelaide to Washington

How much does it cost for a return flight from Adelaide to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated 27 June 2026.
Read reviews from past customers who have flown with Air Canada from Adelaide to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,268 reviews
Check prices

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.
Air Canada
7.1
Good
11,268 reviews
Air Canada
7.1
Good
11,268 reviews
Check prices

Food

6.3

Overall

7.1

Boarding

7.3

Crew

7.8

Entertainment

6.8

Comfort

7.1

Reviews

1 / 20
6.0
Good

Paula,Mar 2026

YVR - PSP

Everything was OK, but we waited on the tarmac for an hour and 20 minutes after landing because there was no available gate. This is a daily occurrence at the Palm Springs airport, and happens with Air Canada and WestJet constantly.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Adelaide to Washington?

    Most people fly from Adelaide (ADL) if they book a flight from Adelaide to Washington. Adelaide is conveniently located just 6.6 km from Adelaide’s city centre.

  • How long is the flight from Adelaide to State of Washington?

    For as low as $1,764, Qantas Airways can have you in State of Washington from Adelaide in 24h 01m. The distance from Adelaide to State of Washington is about 13409 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Adelaide to Washington that include hotel bookings?

    Yes. In addition to deals on Adelaide to Washington flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Adelaide to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Adelaide to Washington.

  • Can I find deals for business class flights from Adelaide to Washington?

    Yes. Cheapflights offers flight deals from Adelaide to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Adelaide to Washington

Discover the top airline that operate flights from Adelaide to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 27 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,208Average$1,501FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Adelaide to Washington?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Washington from Adelaide today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Adelaide to Washington?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Adelaide to Washington.

Can Cheapflights find flights from Adelaide to Washington with no change fees?

Certainly. Search results for flights to Washington from Adelaide shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Adelaide to Washington become cheaper?

Yes! Start tracking prices for Adelaide to Washington flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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