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$552+ Cheap flights from Reagan-National (DCA) to Australia

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 1/26. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Australia

Cheapest flights from Reagan-National to Australia
Explore the most affordable flight options available from Reagan-National to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:35 amDCA - SYD
2 stops42h 15mCathay Pacific
Wed 1/2110:20 pmSYD - DCA
2 stops36h 24mCathay Pacific
Deal found 12/11$1,706
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:35 pmDCA - MEL
2 stops36h 25mCathay Pacific
Wed 1/213:35 pmMEL - DCA
2 stops43h 09mCathay Pacific
Deal found 12/11$1,729
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmDCA - MEL
2 stops44h 35mCathay Pacific
Wed 2/113:35 pmMEL - DCA
2 stops43h 24mCathay Pacific
Deal found 12/11$1,779
This oojo deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:00 pmDCA - MEL
2 stops33h 45mMultiple Airlines
Sat 1/107:00 amMEL - DCA
2 stops31h 56mMultiple Airlines
Deal found 12/11$1,812
This Air Canada deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:00 amDCA - BNE
2 stops35h 45mAir Canada
Fri 12/2610:45 amBNE - DCA
2 stops38h 36mAir Canada
Deal found 12/11$1,845
This United Airlines deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:59 pmDCA - MEL
1 stop24h 01mUnited Airlines
Wed 1/141:00 pmMEL - DCA
1 stop24h 52mUnited Airlines
Deal found 12/9$1,856
This United Airlines deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:00 amDCA - SYD
1 stop28h 00mUnited Airlines
Mon 1/1911:50 amSYD - DCA
1 stop20h 07mUnited Airlines
Deal found 12/10$1,863
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:59 pmDCA - MEL
1 stop24h 01mUnited Airlines
Wed 1/211:00 pmMEL - DCA
1 stop24h 52mUnited Airlines
Deal found 12/11$1,906
This Delta deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:56 pmDCA - SYD
1 stop23h 34mDelta
Mon 1/1910:40 amSYD - DCA
1 stop20h 53mDelta
Deal found 12/10$1,913
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amDCA - SYD
2 stops34h 35mCathay Pacific
Sun 2/1511:05 amSYD - DCA
2 stops47h 54mCathay Pacific
Deal found 12/10$1,916
This United Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:45 pmDCA - SYD
1 stop26h 15mUnited Airlines
Sun 1/1812:10 pmSYD - DCA
2 stops27h 49mUnited Airlines
Deal found 12/11$1,917
This Delta deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:49 pmDCA - MEL
2 stops45h 11mDelta
Fri 1/910:10 amMEL - DCA
2 stops29h 13mDelta
Deal found 12/9$1,918

Find flight deals from Reagan-National to Australia

Keep the following information in mind while searching for Reagan-National to Australia flight deals. Data was last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$1,006
(Air Canada)

One-way from

$552
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,664
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
Search Deals
From Washington, D.C. Reagan-National to Australia
Search Deals
One-way flight from Washington, D.C. Reagan-National to Australia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Australia 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Australia that are best for you.

Fly from

Reagan-National

Fly to

Australia

Route

Depart

Return

Price

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sun 1/25

11:05 am-8:45 am

2 stops30h 40m

Brisbane

Sun 2/1

10:45 am-9:58 pm

2 stops26h 13m

$1,007

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 2/1

5:30 pm-9:00 am

1 stop23h 30m

Sydney Kingsford Smith

Tue 2/10

2:05 pm-6:41 pm

1 stop20h 36m

$1,196

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 3/3

5:50 pm-10:00 am

1 stop24h 10m

Melbourne

Sun 4/19

10:55 am-9:53 pm

1 stop24h 58m

$1,206

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Sun 2/8

5:59 pm-10:00 am

1 stop24h 01m

Melbourne

Tue 2/24

1:00 pm-9:39 pm

1 stop24h 39m

$1,206

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 1/13

5:30 pm-5:45 am

1 stop21h 15m

Brisbane

Sat 2/7

9:40 am-2:57 pm

1 stop20h 17m

$1,206

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 3/3

5:50 pm-10:00 am

1 stop24h 10m

Melbourne

Wed 3/18

12:00 pm-9:45 pm

1 stop24h 45m

$1,206

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 2/11

4:38 pm-8:00 am

1 stop23h 22m

Melbourne

Wed 2/25

10:10 am-3:34 pm

1 stop21h 24m

$1,213

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Wed 2/11

4:38 pm-8:00 am

1 stop23h 22m

Melbourne

Sun 2/22

10:10 am-3:34 pm

1 stop21h 24m

$1,213

Washington, D.C.Adelaide

DCA - ADL

DCAADL

Washington, D.C. Reagan-National

Wed 3/11

2:14 pm-9:25 am

2 stops28h 41m

Adelaide

Wed 4/8

10:10 am-8:00 pm

2 stops23h 20m

$1,214

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Sat 2/21

9:59 am-5:00 am

1 stop28h 01m

Brisbane

Sat 3/21

8:20 am-6:41 pm

2 stops24h 21m

$1,217

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 60 results
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Best time to book a flight from Reagan-National to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Reagan-National with our price prediction graph.
Estimated round-trip 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. Reagan-National Airport to Australia

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Australia?

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Australia (average of $614). Flying from Washington, D.C. Reagan-National Airport to Australia in December is currently the most expensive (average of $971). 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.

What is the cheapest time of day to fly from DCA to AU?

Find hourly flight availability from Reagan-National to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Australia at noon. Doing so could potentially save you 26% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and United Airlines from Washington, D.C. Reagan-National Airport to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Qantas Airways
7.5
Good
947 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Comfort

7.9

Boarding

8.1

Food

7.3

Crew

8.5

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Australia?

    For as low as $1,196, Air Canada can have you in Australia from Washington, D.C. Reagan-National Airport in 23h 30m. Washington, D.C. Reagan-National Airport and Australia are separated by a distance of 9758 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Australia?

    When deciding which route to take from Washington, D.C. Reagan-National Airport to Australia consider Washington, D.C. Reagan-National - Melbourne, Washington, D.C. Reagan-National - Sydney Kingsford Smith or Washington, D.C. Reagan-National - Brisbane as they are the most popular.

  • Can I find deals for flights from Reagan-National to Australia that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Australia.

  • Can I find deals for business class flights from Reagan-National to Australia?

    Yes. Cheapflights offers flight deals from Reagan-National to Australia 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. Reagan-National Airport to Australia?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Australia (average of $614). Flying from Washington, D.C. Reagan-National Airport to Australia in December is currently the most expensive (average of $971). 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

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Alternative routes for Reagan-National to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Reagan-National to Australia

Discover the top 4 airlines that operate flights from Reagan-National to Australia. 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$346Average$1,267FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$807Average$1,373FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$818Average$975FlexibilityNo cancel feeOn-time71%
DeltaCheapest$850Average$968FlexibilityNo cancel feeOn-timeN/A

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