How long does it take to fly to Adelaide?

Flight times vary depending on what airport in Washington, D.C. you fly out of and what airport in Adelaide you fly into. For example, flying from Baltimore to Adelaide takes 27h 05m on average. On the other hand, flying from Washington, D.C. to Adelaide takes 29h 10m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

When did momondo last update prices for flights from Washington, D.C. to Adelaide Airport?

Prices for flights from Washington, D.C. to Adelaide Airport refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Adelaide Airport?

The number of operators available for flights from Washington, D.C. to Adelaide Airport is 1 as of October 2026.

How old do you have to be to fly from Washington, D.C. to Adelaide Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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 license 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.

$788 Cheap Flights from Washington, D.C. to Adelaide in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Adelaide

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 1:55 pmBWI Baltimore/Washington-ADL Adelaide

40h 25m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

7:55 pm - 9:32 pmADL Adelaide-BWI Baltimore/Washington

41h 07m3 stops Sydney Kingsford Smith Los Angeles Chicago O'Hare Intl

$1,371United Airlines

Wed, Feb 24 - Sun, Feb 28

12:40 pm - 1:55 pmBWI Baltimore/Washington-ADL Adelaide

33h 45m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

7:55 pm - 4:32 pmADL Adelaide-BWI Baltimore/Washington

36h 07m2 stops Sydney Kingsford Smith Los Angeles

$1,371United Airlines

Wed, Feb 24 - Sun, Feb 28

7:00 pm - 11:00 amDCA Washington, D.C. Reagan-National-ADL Adelaide

48h 30m2 stops Dallas/Fort Worth Sydney Kingsford Smith

5:20 pm - 8:59 pmADL Adelaide-DCA Washington, D.C. Reagan-National

42h 09m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,393Qantas Airways

Sat, Dec 5 - Sun, Mar 21

5:54 pm - 9:25 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

48h 01m2 stops Dallas/Fort Worth Melbourne

6:05 am - 10:48 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

32h 13m2 stops Melbourne Dallas/Fort Worth

$1,426Qantas Airways

Sat, Feb 27 - Sat, Mar 13

11:51 am - 9:00 amBWI Baltimore/Washington-ADL Adelaide

29h 39m2 stops Dallas/Fort Worth Melbourne

7:10 pm - 6:07 pmADL Adelaide-BWI Baltimore/Washington

37h 27m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,431Qantas Airways

Sat, Dec 5 - Sun, Mar 21

7:18 am - 11:00 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

36h 12m2 stops Dallas/Fort Worth Sydney Kingsford Smith

5:20 pm - 10:48 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

43h 58m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,434Qantas Airways

Sat, Dec 5 - Sun, Mar 21

8:44 am - 9:30 amBWI Baltimore/Washington-ADL Adelaide

33h 16m2 stops Los Angeles San Francisco

6:10 am - 5:10 pmADL Adelaide-BWI Baltimore/Washington

25h 30m2 stops Brisbane San Francisco

$1,454United Airlines

Mon, Jan 18 - Mon, Mar 15

8:44 am - 9:30 amBWI Baltimore/Washington-ADL Adelaide

33h 16m2 stops Los Angeles San Francisco

6:10 am - 8:59 pmADL Adelaide-BWI Baltimore/Washington

29h 19m3 stops Melbourne Los Angeles Chicago O'Hare Intl

$1,457United Airlines

Mon, Jan 18 - Mon, Mar 15

4:59 pm - 3:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

31h 16m2 stops Los Angeles Melbourne

7:10 pm - 8:59 pmADL Adelaide-DCA Washington, D.C. Reagan-National

41h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,550Qantas Airways

Mon, Feb 15 - Fri, Feb 19

4:59 pm - 7:20 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

34h 51m2 stops Los Angeles Sydney Kingsford Smith

8:05 pm - 7:49 pmADL Adelaide-DCA Washington, D.C. Reagan-National

39h 14m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,560Qantas Airways

Mon, Feb 15 - Fri, Feb 19

Cheap last minute flights

Enter your travel dates to find the best prices.

3:57 pm - 3:45 pmBWI Baltimore/Washington-ADL Adelaide

56h 18m2 stops Dallas/Fort Worth Melbourne

7:45 pm - 10:47 pmADL Adelaide-BWI Baltimore/Washington

42h 32m2 stops Melbourne Dallas/Fort Worth

$1,410Qantas Airways

Mon, Nov 2 - Mon, Feb 1

8:00 am - 10:55 amBWI Baltimore/Washington-ADL Adelaide

59h 25m2 stops San Francisco Sydney Kingsford Smith

2:55 pm - 6:52 amADL Adelaide-BWI Baltimore/Washington

31h 27m1 stop San Francisco

$1,516United Airlines

Mon, Nov 2 - Mon, Feb 1

6:34 pm - 1:55 pmBWI Baltimore/Washington-ADL Adelaide

27h 51m2 stops San Francisco Sydney Kingsford Smith

2:55 pm - 9:32 pmADL Adelaide-BWI Baltimore/Washington

46h 07m3 stops San Francisco Los Angeles Chicago O'Hare Intl

$1,520United Airlines

Mon, Nov 2 - Mon, Feb 1

12:50 pm - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

30h 35m2 stops Houston George Bush Intcntl Auckland Intl

12:05 pm - 8:51 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

24h 16m2 stops Auckland Intl Houston George Bush Intcntl

$1,670Air New Zealand

Mon, Nov 2 - Mon, Feb 1

7:05 pm - 8:10 amBWI Baltimore/Washington-ADL Adelaide

45h 35m3 stops Dallas/Fort Worth Hong Kong Intl Sydney Kingsford Smith

7:45 pm - 12:19 amADL Adelaide-BWI Baltimore/Washington

44h 04m3 stops Melbourne Hong Kong Intl Chicago O'Hare Intl

$1,751Multiple Airlines

Mon, Nov 2 - Mon, Feb 1

7:09 pm - 8:10 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

45h 31m3 stops Dallas/Fort Worth Hong Kong Intl Sydney Kingsford Smith

2:30 pm - 10:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

47h 55m3 stops Sydney Kingsford Smith Hong Kong Intl Dallas/Fort Worth

$1,753Multiple Airlines

Mon, Nov 2 - Mon, Feb 1

8:05 pm - 3:55 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 20m1 stop Doha Hamad Intl

10:00 pm - 3:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,421Qatar Airways

Mon, Nov 2 - Mon, Feb 1

8:05 pm - 8:40 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

33h 05m2 stops Doha Hamad Intl Melbourne

10:00 pm - 3:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

33h 25m1 stop Doha Hamad Intl

$2,516Qatar Airways

Mon, Nov 2 - Mon, Feb 1

8:05 pm - 10:35 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

47h 00m3 stops Doha Hamad Intl Kuala Lumpur Intl Perth

11:00 am - 3:55 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

44h 25m2 stops Kuala Lumpur Intl Doha Hamad Intl

$3,507Multiple Airlines

Mon, Nov 2 - Mon, Feb 1

5:35 pm - 1:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

29h 40m2 stops Los Angeles Sydney Kingsford Smith

6:05 am - 7:01 pmADL Adelaide-DCA Washington, D.C. Reagan-National

28h 26m2 stops Melbourne Dallas/Fort Worth

$13,026Qantas Airways

Fri, Oct 30 - Thu, Nov 5

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Cathay Pacific flights from Washington, D.C. to Adelaide

Our best Cathay Pacific deals on Washington, D.C. to Adelaide flight tickets

Cathay Pacific

Feb 15

DCA10:15 amWashington, D.C. Reagan-National

32h 45m

2 stops

ADL10:30 amAdelaide

Feb 19

ADL12:00 pmAdelaide

50h 19m

2 stops

DCA10:49 pmWashington, D.C. Reagan-National

$1,703

Cathay Pacific

Nov 10

DCA6:00 amWashington, D.C. Reagan-National

44h 55m

3 stops

ADL6:25 pmAdelaide

Nov 14

ADL2:30 pmAdelaide

47h 46m

3 stops

DCA10:46 pmWashington, D.C. Reagan-National

$1,997

Cathay Pacific

Dec 8

BWI5:39 pmBaltimore/Washington

45h 56m

3 stops

ADL7:05 amAdelaide

Dec 15

ADL12:00 pmAdelaide

45h 16m

2 stops

BWI5:46 pmBaltimore/Washington

$2,374

Air New Zealand flights from Washington, D.C. to Adelaide

Our best Air New Zealand deals on Washington, D.C. to Adelaide flight tickets

Air New Zealand

Dec 6

IAD10:24 pmWashington, D.C. Dulles Intl

45h 01m

2 stops

ADL10:55 amAdelaide

Dec 13

ADL12:05 pmAdelaide

26h 05m

2 stops

IAD10:40 pmWashington, D.C. Dulles Intl

$1,568

Air New Zealand

Nov 2

IAD12:50 pmWashington, D.C. Dulles Intl

30h 35m

2 stops

ADL10:55 amAdelaide

Feb 1

ADL12:05 pmAdelaide

24h 16m

2 stops

IAD8:51 pmWashington, D.C. Dulles Intl

$1,670

Air New Zealand

Jan 18

BWI6:25 pmBaltimore/Washington

27h 50m

2 stops

ADL1:45 pmAdelaide

Mar 15

ADL12:05 pmAdelaide

32h 00m

2 stops

BWI5:35 amBaltimore/Washington

$1,681

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Wed 2/24

6:00 am-1:55 pm

2 stops40h 25m

Adelaide

Sun 2/28

7:55 pm-9:32 pm

3 stops41h 07m

$1,371

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Wed 2/24

12:40 pm-1:55 pm

2 stops33h 45m

Adelaide

Sun 2/28

7:55 pm-4:32 pm

2 stops36h 07m

$1,371

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Sat 12/5

7:00 pm-11:00 am

2 stops48h 30m

Adelaide

Sun 3/21

5:20 pm-8:59 pm

2 stops42h 09m

$1,393

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Sat 2/27

5:54 pm-9:25 am

2 stops48h 01m

Adelaide

Sat 3/13

6:05 am-10:48 pm

2 stops32h 13m

$1,426

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Sat 12/5

11:51 am-9:00 am

2 stops29h 39m

Adelaide

Sun 3/21

7:10 pm-6:07 pm

2 stops37h 27m

$1,431

Washington, D.C.Adelaide

IAD Washington, D.C. Dulles Intl - ADL Adelaide

IADADL

Washington, D.C. Dulles Intl

Sat 12/5

7:18 am-11:00 am

2 stops36h 12m

Adelaide

Sun 3/21

5:20 pm-10:48 pm

2 stops43h 58m

$1,434

Quickest round-trip

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Mon 1/18

8:44 am-9:30 am

2 stops33h 16m

Adelaide

Mon 3/15

6:10 am-5:10 pm

2 stops25h 30m

$1,454

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Mon 1/18

8:44 am-9:30 am

2 stops33h 16m

Adelaide

Mon 3/15

6:10 am-8:59 pm

3 stops29h 19m

$1,457

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

4:59 pm-3:45 pm

2 stops31h 16m

Adelaide

Fri 2/19

7:10 pm-8:59 pm

2 stops41h 19m

$1,550

Washington, D.C.Adelaide

DCA Washington, D.C. Reagan-National - ADL Adelaide

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

4:59 pm-7:20 pm

2 stops34h 51m

Adelaide

Fri 2/19

8:05 pm-7:49 pm

2 stops39h 14m

$1,560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Airlines

Other information

What is the cheapest airline that flies from Washington, D.C. to Adelaide?

United Airlines, Cathay Pacific, and Qatar Airways are the most popular carriers operating from Washington, D.C. to Adelaide

When to book flights from Washington, D.C. to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Adelaide according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Adelaide (WAS to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Adelaide

Best Price Found	$788
Fastest flight time	27h 05m
Direct flights	None

The best one-way flight to Adelaide from Washington, D.C. in the past 72 hours is $788. The best round-trip flight deal from Washington, D.C. to Adelaide found on momondo in the last 72 hours is $1,371.

The fastest flight from Washington, D.C. to Adelaide takes 27h 05m

There are no direct flights from Washington, D.C. to Adelaide. There are no popular flight routes from Washington, D.C. to Adelaide.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Adelaide

How far is Washington, D.C. to Adelaide by plane?
There are 10454.6 mi between Washington, D.C. and Adelaide. A reasonable flight in good conditions will take 27h 05m.
When did momondo last update prices for flights from Washington, D.C. to Adelaide Airport?
Prices for flights from Washington, D.C. to Adelaide Airport refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Adelaide Airport?
The number of operators available for flights from Washington, D.C. to Adelaide Airport is 1 as of October 2026.
How old do you have to be to fly from Washington, D.C. to Adelaide Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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 license 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.

Best airlines flying from Washington, D.C. to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. to Adelaide with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,167	Free Cancellation	Rating 7.5 1,118 reviews		Search Qantas Airways flights

Glenelg

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Why should I use momondo to find a flight deal from Washington, D.C. to Adelaide?

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

Can I find flights from Washington, D.C. to Adelaide with flexible booking policies on momondo?

Flights from Washington, D.C. to Adelaide with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington, D.C. to Adelaide?

Once you have performed a search for Washington, D.C. to Adelaide flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Adelaide from Washington, D.C. 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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Cheap flights from Washington, D.C. to Adelaide from $788

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, D.C. to Adelaide departing on 11/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cathay Pacific flights from Washington, D.C. to Adelaide

Our best Cathay Pacific deals on Washington, D.C. to Adelaide flight tickets

Air New Zealand flights from Washington, D.C. to Adelaide

Our best Air New Zealand deals on Washington, D.C. to Adelaide flight tickets

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See travel insights to Adelaide from

How to get the cheapest flight ticket from Washington, D.C. to Adelaide

What is the cheapest airline that flies from Washington, D.C. to Adelaide?

How long does it take to fly to Adelaide?

When to book flights from Washington, D.C. to Adelaide

Cheap Washington, D.C. to Adelaide (WAS to ADL) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Adelaide

Best airlines flying from Washington, D.C. to Adelaide

Compare and see reviews for airlines that fly from Washington, D.C. to Adelaide with momondo

Traveling to a place near Adelaide?

Why use momondo?

An easier way to manage your Adelaide trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Adelaide. Availability may vary depending on flight origin and airline.

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