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 38m on average. On the other hand, flying from Washington, D.C. to Adelaide takes 30h 57m 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 September 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.

$857 Cheap Flights from Washington, D.C. to Adelaide in 2026

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:34 pm - 2:10 pmBWI Baltimore/Washington-ADL Adelaide

29h 06m2 stops San Francisco Melbourne

7:55 pm - 11:38 pmADL Adelaide-BWI Baltimore/Washington

43h 13m2 stops Sydney Kingsford Smith Houston George Bush Intcntl

$1,503United Airlines

Sun, Oct 25 - Sun, Nov 1

5:48 pm - 1:45 pmBWI Baltimore/Washington-ADL Adelaide

29h 27m3 stops Charlotte Douglas Los Angeles Sydney Kingsford Smith

6:00 am - 8:17 pmADL Adelaide-BWI Baltimore/Washington

28h 47m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,567American Airlines

Sun, Oct 25 - Sun, Nov 1

3:04 pm - 10:55 amBWI Baltimore/Washington-ADL Adelaide

29h 21m2 stops Houston George Bush Intcntl Sydney Kingsford Smith

6:10 am - 5:26 pmADL Adelaide-BWI Baltimore/Washington

25h 46m2 stops Brisbane San Francisco

$1,600United Airlines

Sat, Oct 24 - Sat, Oct 31

5:56 pm - 8:10 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

46h 44m2 stops Los Angeles Sydney Kingsford Smith

12:05 pm - 1:21 amADL Adelaide-IAD Washington, D.C. Dulles Intl

28h 46m2 stops Auckland Intl San Francisco

$1,623Air New Zealand

Tue, Nov 17 - Thu, Dec 10

5:48 pm - 1:45 pmBWI Baltimore/Washington-ADL Adelaide

29h 27m3 stops Charlotte Douglas Los Angeles Sydney Kingsford Smith

6:00 am - 8:17 pmADL Adelaide-BWI Baltimore/Washington

28h 47m3 stops Sydney Kingsford Smith Los Angeles Dallas/Fort Worth

$1,687American Airlines

Sun, Oct 25 - Sun, Nov 1

7:00 am - 11:05 amBWI Baltimore/Washington-ADL Adelaide

37h 35m2 stops Dallas/Fort Worth Sydney Kingsford Smith

11:50 am - 7:26 pmADL Adelaide-BWI Baltimore/Washington

46h 06m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,703Qantas Airways

Sun, Oct 11 - Sun, Oct 18

10:13 am - 10:30 amDCA Washington, D.C. Reagan-National-ADL Adelaide

32h 47m2 stops Chicago O'Hare Intl Hong Kong Intl

12:00 pm - 11:00 pmADL Adelaide-DCA Washington, D.C. Reagan-National

50h 30m2 stops Hong Kong Intl Dallas/Fort Worth

$1,706Cathay Pacific

Mon, Feb 15 - Fri, Feb 19

6:15 am - 10:55 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

38h 10m2 stops Houston George Bush Intcntl Auckland Intl

5:20 pm - 7:44 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

40h 54m2 stops Sydney Kingsford Smith Los Angeles

$1,737Air New Zealand

Sat, Oct 24 - Sat, Oct 31

10:19 pm - 6:10 pmIAD Washington, D.C. Dulles Intl-ADL Adelaide

53h 21m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

2:30 pm - 9:10 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

45h 10m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$1,756Air Canada

Sat, Oct 24 - Sat, Oct 31

5:27 pm - 12:35 pmBWI Baltimore/Washington-ADL Adelaide

27h 38m2 stops Dallas/Fort Worth Brisbane

1:20 pm - 10:52 pmADL Adelaide-BWI Baltimore/Washington

49h 02m2 stops Brisbane Dallas/Fort Worth

$1,866Qantas Airways

Wed, Feb 24 - Sun, Feb 28

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 11:55 amDCA Washington, D.C. Reagan-National-ADL Adelaide

39h 25m3 stops Denver Intl Los Angeles Sydney Kingsford Smith

6:00 am - 12:11 pmADL Adelaide-DCA Washington, D.C. Reagan-National

67h 41m3 stops Melbourne Los Angeles Denver Intl

$1,687Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

6:58 pm - 8:05 amDCA Washington, D.C. Reagan-National-ADL Adelaide

47h 37m3 stops Dallas/Fort Worth Hong Kong Intl Sydney Kingsford Smith

7:45 pm - 8:06 pmADL Adelaide-DCA Washington, D.C. Reagan-National

37h 51m3 stops Melbourne Hong Kong Intl Chicago O'Hare Intl

$1,756Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

3:57 pm - 3:00 pmBWI Baltimore/Washington-ADL Adelaide

57h 33m2 stops Dallas/Fort Worth Doha Hamad Intl

10:00 pm - 10:54 pmADL Adelaide-BWI Baltimore/Washington

39h 24m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,794Multiple Airlines

Tue, Sep 15 - Tue, Oct 6

6:01 am - 3:00 pmBWI Baltimore/Washington-ADL Adelaide

43h 29m2 stops Chicago O'Hare Intl Doha Hamad Intl

10:00 pm - 10:59 pmADL Adelaide-BWI Baltimore/Washington

38h 29m2 stops Doha Hamad Intl Dallas/Fort Worth

$1,983Qatar Airways

Thu, Sep 17 - Thu, Oct 1

4:56 pm - 11:05 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 39m2 stops Dallas/Fort Worth Sydney Kingsford Smith

7:50 am - 8:24 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

26h 04m2 stops Melbourne Dallas/Fort Worth

$1,994Qantas Airways

Mon, Sep 14 - Mon, Sep 28

5:35 pm - 11:55 amDCA Washington, D.C. Reagan-National-ADL Adelaide

28h 50m2 stops Los Angeles Sydney Kingsford Smith

10:10 am - 10:58 pmADL Adelaide-DCA Washington, D.C. Reagan-National

26h 18m2 stops Melbourne Dallas/Fort Worth

$1,994Qantas Airways

Mon, Sep 14 - Mon, Sep 28

2:47 pm - 11:05 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

30h 48m2 stops San Francisco Sydney Kingsford Smith

12:05 pm - 9:07 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

23h 32m2 stops Auckland Intl Houston George Bush Intcntl

$2,013Air New Zealand

Tue, Sep 15 - Tue, Oct 6

9:30 am - 11:55 amDCA Washington, D.C. Reagan-National-ADL Adelaide

36h 55m2 stops Los Angeles Sydney Kingsford Smith

7:10 pm - 8:00 pmADL Adelaide-DCA Washington, D.C. Reagan-National

38h 20m2 stops Sydney Kingsford Smith Los Angeles

$2,034Multiple Airlines

Mon, Sep 14 - Mon, Sep 28

6:00 am - 5:45 pmDCA Washington, D.C. Reagan-National-ADL Adelaide

46h 15m3 stops New York John F Kennedy Intl Hong Kong Intl Melbourne

2:30 pm - 10:46 pmADL Adelaide-DCA Washington, D.C. Reagan-National

47h 46m3 stops Sydney Kingsford Smith Hong Kong Intl Dallas/Fort Worth

$2,042Cathay Pacific

Sun, Sep 13 - Sat, Nov 14

4:56 pm - 11:05 amIAD Washington, D.C. Dulles Intl-ADL Adelaide

28h 39m2 stops Dallas/Fort Worth Sydney Kingsford Smith

10:10 am - 8:24 pmADL Adelaide-IAD Washington, D.C. Dulles Intl

23h 44m2 stops Melbourne Dallas/Fort Worth

$2,047Qantas Airways

Mon, Sep 14 - Mon, Sep 28

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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

Nov 17

IAD5:56 pmWashington, D.C. Dulles Intl

46h 44m

2 stops

ADL8:10 amAdelaide

Dec 10

ADL12:05 pmAdelaide

28h 46m

2 stops

IAD1:21 amWashington, D.C. Dulles Intl

$1,623

Air New Zealand

Oct 24

IAD6:15 amWashington, D.C. Dulles Intl

38h 10m

2 stops

ADL10:55 amAdelaide

Oct 31

ADL5:20 pmAdelaide

40h 54m

2 stops

IAD7:44 pmWashington, D.C. Dulles Intl

$1,737

Air New Zealand

Oct 24

DCA12:57 pmWashington, D.C. Reagan-National

31h 28m

2 stops

ADL10:55 amAdelaide

Oct 31

ADL5:20 pmAdelaide

38h 55m

2 stops

DCA5:45 pmWashington, D.C. Reagan-National

$1,899

Qantas Airways flights from Washington, D.C. to Adelaide

Our best Qantas Airways deals on Washington, D.C. to Adelaide flight tickets

Qantas Airways

Oct 11

BWI7:00 amBaltimore/Washington

37h 35m

2 stops

ADL11:05 amAdelaide

Oct 18

ADL11:50 amAdelaide

46h 06m

2 stops

BWI7:26 pmBaltimore/Washington

$1,703

Qantas Airways

Feb 24

BWI5:27 pmBaltimore/Washington

27h 38m

2 stops

ADL12:35 pmAdelaide

Feb 28

ADL1:20 pmAdelaide

49h 02m

2 stops

BWI10:52 pmBaltimore/Washington

$1,866

Qantas Airways

Feb 24

BWI5:27 pmBaltimore/Washington

27h 38m

2 stops

ADL12:35 pmAdelaide

Feb 28

ADL1:20 pmAdelaide

49h 02m

2 stops

BWI10:52 pmBaltimore/Washington

$1,867

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

Sun 10/25

6:34 pm-2:10 pm

2 stops29h 06m

Adelaide

Sun 11/1

7:55 pm-11:38 pm

2 stops43h 13m

$1,503

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Sun 10/25

5:48 pm-1:45 pm

3 stops29h 27m

Adelaide

Sun 11/1

6:00 am-8:17 pm

2 stops28h 47m

$1,567

Quickest round-trip

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Sat 10/24

3:04 pm-10:55 am

2 stops29h 21m

Adelaide

Sat 10/31

6:10 am-5:26 pm

2 stops25h 46m

$1,600

Washington, D.C.Adelaide

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

IADADL

Washington, D.C. Dulles Intl

Tue 11/17

5:56 pm-8:10 am

2 stops46h 44m

Adelaide

Thu 12/10

12:05 pm-1:21 am

2 stops28h 46m

$1,623

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Sun 10/25

5:48 pm-1:45 pm

3 stops29h 27m

Adelaide

Sun 11/1

6:00 am-8:17 pm

3 stops28h 47m

$1,687

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Sun 10/11

7:00 am-11:05 am

2 stops37h 35m

Adelaide

Sun 10/18

11:50 am-7:26 pm

2 stops46h 06m

$1,703

Washington, D.C.Adelaide

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

DCAADL

Washington, D.C. Reagan-National

Mon 2/15

10:13 am-10:30 am

2 stops32h 47m

Adelaide

Fri 2/19

12:00 pm-11:00 pm

2 stops50h 30m

$1,706

Washington, D.C.Adelaide

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

IADADL

Washington, D.C. Dulles Intl

Sat 10/24

6:15 am-10:55 am

2 stops38h 10m

Adelaide

Sat 10/31

5:20 pm-7:44 pm

2 stops40h 54m

$1,737

Washington, D.C.Adelaide

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

IADADL

Washington, D.C. Dulles Intl

Sat 10/24

10:19 pm-6:10 pm

3 stops53h 21m

Adelaide

Sat 10/31

2:30 pm-9:10 pm

3 stops45h 10m

$1,756

BaltimoreAdelaide

BWI Baltimore/Washington - ADL Adelaide

BWIADL

Baltimore/Washington

Wed 2/24

5:27 pm-12:35 pm

2 stops27h 38m

Adelaide

Sun 2/28

1:20 pm-10:52 pm

2 stops49h 02m

$1,866

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?

American Airlines, Cathay Pacific, and Qantas 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	$857
Fastest flight time	26h 20m
Direct flights	None

The best one-way flight to Adelaide from Washington, D.C. in the past 72 hours is $857. The best round-trip flight deal from Washington, D.C. to Adelaide found on momondo in the last 72 hours is $1,503.

The fastest flight from Washington, D.C. to Adelaide takes 26h 20m

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 26h 20m.
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 September 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.
What is the most popular airline from Washington, D.C. to Adelaide?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Adelaide is United Airlines (100% of total bookings).

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 1,093 reviews		Search Qantas Airways flights

Glenelg

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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 $857

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 10/11. 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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Air New Zealand flights from Washington, D.C. to Adelaide

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

Qantas Airways flights from Washington, D.C. to Adelaide

Our best Qantas Airways 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.

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

Find better results for your trip to Australia

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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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