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Cheap flights from Adelaide to Washington from $1,054

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
23 Apr — 30 Apr1
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 24 March 2026.

Thu 7/517:15
ADL
-
PDX
2 stops32h 45m
Multiple Airlines
Thu 14/519:45
PDX
-
ADL
2 stops25h 25m
Multiple Airlines
Deal found 23/3$1,551
Wed 15/720:00
ADL
-
SEA
2 stops30h 22m
Air Canada
Sun 26/705:40
SEA
-
ADL
2 stops39h 45m
Air Canada
Deal found 22/3$1,570
Thu 16/706:00
ADL
-
SEA
2 stops23h 21m
Multiple Airlines
Sun 26/715:59
SEA
-
ADL
3 stops24h 56m
Multiple Airlines
Deal found 22/3$1,583
Tue 21/714:45
ADL
-
SEA
2 stops23h 44m
Multiple Airlines
Wed 5/812:00
SEA
-
ADL
2 stops27h 30m
Multiple Airlines
Deal found 22/3$1,587
Tue 27/1006:10
ADL
-
PDX
2 stops20h 45m
Air Canada
Sat 31/1015:15
PDX
-
ADL
2 stops33h 25m
Air Canada
Deal found 19/3$1,589
Thu 16/720:00
ADL
-
SEA
2 stops34h 52m
Air Canada
Sun 26/719:20
SEA
-
ADL
2 stops23h 20m
Air Canada
Deal found 22/3$1,619
Wed 15/713:15
ADL
-
SEA
2 stops25h 14m
Multiple Airlines
Sat 25/721:15
SEA
-
ADL
2 stops45h 20m
Multiple Airlines
Deal found 22/3$1,643
Fri 8/519:00
ADL
-
SEA
2 stops31h 35m
Air Canada
Fri 15/514:55
SEA
-
ADL
2 stops30h 30m
Air Canada
Deal found 24/3$1,698
Fri 17/720:00
ADL
-
SEA
2 stops43h 18m
Air Canada
Thu 30/705:40
SEA
-
ADL
2 stops39h 45m
Air Canada
Deal found 23/3$1,721
Thu 7/506:05
ADL
-
PDX
2 stops35h 24m
United Airlines
Thu 14/515:59
PDX
-
ADL
3 stops50h 36m
United Airlines
Deal found 23/3$2,079
Thu 3/912:40
ADL
-
PDX
2 stops24h 40m
Multiple Airlines
Mon 7/907:20
PDX
-
ADL
2 stops35h 15m
Multiple Airlines
Deal found 23/3$2,278
Thu 7/510:10
ADL
-
PDX
3 stops47h 09m
Cathay Pacific
Thu 14/517:40
PDX
-
ADL
3 stops47h 15m
Cathay Pacific
Deal found 23/3$3,344

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 24 March 2026.

Round-trip from

$1,474

One-way from

$1,054

Popular in

June

Cheapest in

November

Average price

$1,712
Air Canada
  • Air Canada
  • 4/5-11/5
  • 4 total stops
  • 63h 55m total
  • Adelaide to Washington
Search Deals
25/5
  • 25/5
  • 2 total stops
  • 26h 44m total
  • Adelaide to Washington
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($145 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 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

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 7/5

17:15-09:30

2 stops32h 45m

Portland

Thu 14/5

19:45-13:40

2 stops25h 25m

$1,582

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 21/7

14:45-21:59

2 stops23h 44m

Seattle/Tacoma Intl

Wed 5/8

12:00-08:00

2 stops27h 30m

$1,593

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Thu 16/7

13:25-22:27

3 stops25h 32m

Seattle/Tacoma Intl

Sun 26/7

15:59-09:25

3 stops24h 56m

$1,602

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Tue 25/8

08:50-21:40

2 stops29h 20m

Seattle/Tacoma Intl

Fri 28/8

08:00-11:05

2 stops34h 35m

$1,735
Fastest return journey

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Fri 17/7

17:10-22:44

2 stops22h 04m

Seattle/Tacoma Intl

Thu 30/7

15:59-11:15

3 stops26h 46m

$1,767

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 15/7

06:00-14:35

3 stops25h 05m

Seattle/Tacoma Intl

Sat 25/7

14:20-09:25

2 stops26h 35m

$2,089

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 3/9

12:40-20:50

2 stops24h 40m

Portland

Mon 7/9

07:20-11:05

2 stops35h 15m

$2,271

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Wed 2/9

09:10-08:45

1 stop40h 05m

Seattle/Tacoma Intl

Sun 6/9

10:15-07:25

1 stop28h 40m

$2,296

AdelaidePortland

ADL - PDX

ADLPDX

Adelaide

Thu 7/5

10:10-16:49

3 stops47h 09m

Portland

Thu 14/5

17:40-09:25

3 stops47h 15m

$3,344
Cheapest one-way

AdelaideSeattle

ADL - SEA

ADLSEA

Adelaide

Mon 25/5

07:15-19:09

2 stops28h 24m

$1,060

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 14 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
No data available for this route at this time. Please check back soon.

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 24 March 2026.
Read reviews from past customers who have flown with Virgin Australia,Qantas Airways, andUnited Airlines from Adelaide to Washington. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
449 reviews
Check prices

Crew

8.2

Food

6.4

Entertainment

6.4

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
449 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Crew

8.2

Food

6.4

Entertainment

6.4

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Qantas Airways
7.5
Good
1,009 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Crew

8.2

Food

6.4

Entertainment

6.4

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
United Airlines
7.4
Good
9,478 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Crew

8.2

Food

6.4

Entertainment

6.4

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Air Canada
7.1
Good
10,837 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Crew

8.2

Food

6.4

Entertainment

6.4

Comfort

7.5

Overall

7.6

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

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 $1,474, Air Canada can have you in State of Washington from Adelaide in 29h. The distance from Adelaide to State of Washington is about 13409 km.

  • 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 4 airlines flying from Adelaide to Washington

Discover the top 4 airlines 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,195Average$1,528FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Qantas AirwaysCheapest$1,285Average$1,657FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$1,510Average$1,856FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,622Average$1,712FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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