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Cheap flights from Adelaide to Washington from $1,734

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — SEA
9 Sep — 16 Sep1
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 10 August 2026.

Tue 25/813:25 -
2 stops27h 04m
Tue 1/917:55 -
2 stops25h 30m
Deal found 7/8$1,734
Tue 22/906:00 -
3 stops29h 06m
Tue 29/910:57 -
3 stops31h 28m
Deal found 7/8$1,839
Fri 7/819:10 -
2 stops61h 37m
Tue 11/810:30 -
2 stops43h 35m
Deal found 6/8$1,874
Tue 24/1106:10 -
2 stops30h 42m
Tue 15/1215:15 -
2 stops25h 10m
Deal found 9/8$1,898
Tue 24/1106:10 -
2 stops21h 47m
Tue 15/1215:15 -
2 stops25h 10m
Deal found 5/8$1,953
Thu 5/1106:10 -
2 stops34h 17m
Mon 9/1108:40 -
2 stops39h 00m
Deal found 5/8$1,965
Thu 24/920:00 -
2 stops41h 06m
Thu 1/1015:33 -
2 stops31h 52m
Deal found 10/8$2,066
Tue 22/920:00 -
2 stops39h 02m
Tue 29/919:15 -
2 stops26h 10m
Deal found 7/8$2,359
Thu 5/1119:45 -
2 stops55h 55m
Mon 9/1110:50 -
1 stop29h 10m
Deal found 5/8$2,372
Tue 24/1118:20 -
2 stops31h 20m
Tue 15/1208:45 -
1 stop38h 05m
Deal found 6/8$2,403
Fri 7/820:00 -
2 stops30h 01m
Tue 11/810:10 -
2 stops33h 10m
Deal found 5/8$2,426
Tue 25/813:25 -
2 stops23h 55m
Tue 1/917:55 -
3 stops27h 10m
Deal found 7/8$2,600

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 10 August 2026.

Round-trip from

$1,734

Popular in

May

Cheapest in

July

Average price

$1,843
Qantas Airways
  • Qantas Airways
  • 25/8-1/9
  • 4 total stops
  • 52h 34m total
  • Adelaide to Washington
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($262 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($87 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 August 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

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:10-18:22

2 stops30h 42m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,899
Fastest return journey

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

06:10-09:27

2 stops21h 47m

Seattle/Tacoma Intl

Tue 15/12

15:15-10:55

2 stops25h 10m

$1,953

AdelaidePortland

ADL Adelaide - PDX Portland

ADLPDX

Adelaide

Thu 24/9

16:30-21:55

2 stops45h 55m

Portland

Thu 1/10

07:30-13:55

3 stops37h 55m

$2,130

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Thu 5/11

19:45-09:10

2 stops55h 55m

Seattle/Tacoma Intl

Mon 9/11

10:50-10:30

1 stop29h 10m

$2,372

AdelaideSeattle

ADL Adelaide - SEA Seattle/Tacoma Intl

ADLSEA

Adelaide

Tue 24/11

18:20-07:10

2 stops31h 20m

Seattle/Tacoma Intl

Tue 15/12

08:45-17:20

1 stop38h 05m

$2,403

AdelaidePortland

ADL Adelaide - PDX Portland

ADLPDX

Adelaide

Tue 25/8

13:25-20:50

2 stops23h 55m

Portland

Tue 1/9

17:55-13:35

3 stops27h 10m

$2,600

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Sorted by cheapest first

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 10 August 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
11,458 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

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
11,458 reviews
Air Canada
7.1
Good
11,458 reviews
Check prices

Entertainment

6.8

Food

6.3

Boarding

7.3

Crew

7.8

Comfort

7.1

Overall

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 $1,899, Air Canada can have you in State of Washington from Adelaide in 30h 42m. 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 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,178Average$1,465FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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