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Cheap flights from Washington, D.C. to Adelaide from $2,832

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — ADL
23 Apr — 30 Apr1
1 adult

Cheap flight deals from Washington, D.C. to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 18 April 2025.

Round-trip from

$2,832

Popular in

October

Cheapest in

March

Average price

$2,254
Air New Zealand
  • Air New Zealand
  • 30/5-20/6
  • 4 total stops
  • 82h 29m total
  • Washington, D.C. to Adelaide
Highest demand for flights based on searches. 13% potential increase in price ($703 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease ($327 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Washington, D.C. to Adelaide

Cheapest flights from Washington, D.C. to Adelaide
Explore the most affordable flight options available from Washington, D.C. to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Fri 30/515:05BWI - ADL
2 stops30h 20mAir New Zealand
Fri 20/614:55ADL - BWI
2 stops52h 09mAir New Zealand
Deal found 17/4$2,832
Fri 30/517:53IAD - ADL
2 stops27h 32mAir New Zealand
Fri 20/606:00ADL - IAD
2 stops32h 14mAir New Zealand
Deal found 17/4$2,848
Sun 1/617:07IAD - ADL
2 stops30h 53mQantas Airways
Sun 8/606:00ADL - IAD
2 stops30h 09mQantas Airways
Deal found 16/4$2,961
Tue 9/1215:24BWI - ADL
2 stops28h 21mQantas Airways
Fri 9/109:30ADL - BWI
2 stops28h 23mQantas Airways
Deal found 18/4$3,165
Tue 9/1218:00DCA - ADL
2 stops28h 40mUnited Airlines
Fri 9/106:00ADL - DCA
2 stops31h 38mUnited Airlines
Deal found 18/4$3,187
Tue 9/1212:35IAD - ADL
2 stops34h 05mUnited Airlines
Fri 9/106:00ADL - IAD
2 stops32h 06mUnited Airlines
Deal found 18/4$3,187
Sun 1/622:09IAD - ADL
2 stops47h 16mMultiple Airlines
Sun 8/621:40ADL - IAD
1 stop31h 30mMultiple Airlines
Deal found 16/4$3,412
Sun 1/615:30IAD - ADL
3 stops30h 50mAir Canada
Sun 8/618:50ADL - IAD
2 stops49h 01mAir Canada
Deal found 16/4$3,448
Tue 9/1209:40DCA - ADL
3 stops36h 45mAir Canada
Fri 9/106:00ADL - DCA
3 stops32h 07mAir Canada
Deal found 17/4$3,831
Fri 30/515:29BWI - ADL
2 stops29h 21mMultiple Airlines
Fri 20/608:00ADL - BWI
3 stops38h 14mMultiple Airlines
Deal found 17/4$4,452
Sun 1/621:00IAD - ADL
1 stop29h 20mQatar Airways
Sun 8/621:40ADL - IAD
1 stop31h 30mQatar Airways
Deal found 16/4$4,503
Tue 9/1217:00IAD - ADL
3 stops56h 50mSingapore Airlines
Fri 9/118:35ADL - IAD
2 stops38h 50mSingapore Airlines
Deal found 18/4$4,553

Cheapflights Fare Finder

Customise your flight search to find flights from Washington, D.C. 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, Cheapflights users made 647,157 searches. Data last updated 18 April 2025.
Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.

Fly from

Washington, D.C.

Fly to

Adelaide

Route

Depart

Return

Price

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 30/5

15:05-10:55

2 stops30h 20m

Adelaide

Fri 20/6

14:55-05:34

2 stops52h 09m

$2,832

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Fri 30/5

17:53-10:55

2 stops27h 32m

Adelaide

Fri 20/6

06:00-00:44

2 stops32h 14m

$2,848

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 1/6

17:07-13:30

2 stops30h 53m

Adelaide

Sun 8/6

06:00-22:39

2 stops30h 09m

$2,961

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 1/6

22:09-10:55

2 stops47h 16m

Adelaide

Sun 8/6

21:40-15:40

1 stop31h 30m

$3,412

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 1/6

15:30-11:50

3 stops30h 50m

Adelaide

Sun 8/6

18:50-06:21

2 stops49h 01m

$3,448

BaltimoreAdelaide

BWI - ADL

BWIADL

Baltimore/Washington

Fri 30/5

15:29-10:20

2 stops29h 21m

Adelaide

Fri 20/6

08:00-08:44

3 stops38h 14m

$4,452

Washington, D.C.Adelaide

IAD - ADL

IADADL

Washington, D.C. Dulles Intl

Sun 1/6

21:00-15:50

1 stop29h 20m

Adelaide

Sun 8/6

21:40-15:40

1 stop31h 30m

$4,503

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Best time to book a flight from Washington, D.C. to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Washington, D.C. 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 Washington, D.C. to Adelaide

Rainfall in Adelaide by month

Plan your trip to Adelaide by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Adelaide ranges from 10.0 - 60.0 inches per month. July is typically the wettest month, when rainfall can reach 60.0 mm. January is typically the driest time to visit Adelaide when rainfall is around 10.0 mm.

Temperature in Adelaide by month

Plan your trip to Adelaide by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Adelaide, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. 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 Adelaide. Reviews last updated 18 April 2025.

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.4

Food

7.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

IAH - MSP

wish I didn't have to pay for wifi as I could not redeem my miles from my phone to pay for drinks

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Adelaide. 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 into for flights to Adelaide from Washington, D.C.?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Washington, D.C. to Adelaide. You should not have trouble finding flights to Adelaide from Washington, D.C.; the airport handles an average of 0 inbound flights from Washington, D.C. per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Adelaide airport from Washington, D.C.. It is only a 6.6 km journey from Adelaide (ADL) to Adelaide’s city centre.

  • What are the cheapest airlines flying from Washington, D.C. to Adelaide round-trip?

    Flying on Air New Zealand is currently your cheapest option to Adelaide, with prices starting at $2,832. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and Air Canada, with the lowest prices starting at $2,961 and $3,448, respectively. Air New Zealand is 3% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most popular routes from Washington, D.C. to Adelaide?

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

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

  • How can I find direct flights from Washington, D.C. to Adelaide?

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

  • Can I find deals for business class flights from Washington, D.C. to Adelaide?

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

  • What is the cheapest month to book a flight from Washington, D.C. to Adelaide?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Adelaide (average of $168). Flying from Washington, D.C. to Adelaide in October is currently the most expensive (average of $241). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Glenelg
Stirling

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Can Cheapflights find flights from Washington, D.C. to Adelaide with no change fees?

Certainly. Search results for flights to Adelaide from Washington, D.C. 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 Washington, D.C. to Adelaide become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Adelaide from Washington, D.C. today and book when prices fit your budget.

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