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$415+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Find 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 October 28, 2025.

This Air Canada deal was found by Cheapflights users on 10/26. 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.
Tue 11/256:00 amDCA - BNE
2 stops35h 45mAir Canada
Tue 12/210:45 amBNE - DCA
2 stops38h 36mAir Canada
Deal found 10/26$765
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:00 amDCA - BNE
2 stops35h 45mAir Canada
Sat 12/1310:45 amBNE - DCA
2 stops26h 11mAir Canada
Deal found 10/27$770
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Tue 11/256:00 amDCA - BNE
2 stops35h 45mAir Canada
Sun 12/1410:45 amBNE - DCA
2 stops38h 36mAir Canada
Deal found 10/27$822
This Aunt Betty deal was found by Cheapflights users on 10/26. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:52 pmDCA - BNE
1 stop24h 38mQantas Airways
Sun 11/99:40 amBNE - DCA
1 stop25h 10mQantas Airways
Deal found 10/26$824
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Tue 11/256:00 amDCA - BNE
2 stops35h 45mAir Canada
Sat 12/1310:45 amBNE - DCA
2 stops40h 34mAir Canada
Deal found 10/27$825
This Air Canada deal was found by Cheapflights users on 10/27. 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 11/2811:05 amDCA - BNE
2 stops30h 40mAir Canada
Sat 12/1310:45 amBNE - DCA
2 stops26h 11mAir Canada
Deal found 10/27$828
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/265:59 pmDCA - BNE
1 stop22h 31mUnited Airlines
Fri 12/1211:40 amBNE - DCA
1 stop20h 09mUnited Airlines
Deal found 10/27$850
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/2612:50 pmDCA - SYD
1 stop26h 10mUnited Airlines
Wed 12/312:10 pmSYD - DCA
1 stop20h 39mUnited Airlines
Deal found 10/27$851
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/275:59 pmDCA - BNE
1 stop22h 31mUnited Airlines
Fri 12/1211:40 amBNE - DCA
1 stop20h 09mUnited Airlines
Deal found 10/27$853
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 11/254:17 pmDCA - BNE
2 stops24h 13mUnited Airlines
Fri 12/1211:40 amBNE - DCA
1 stop20h 09mUnited Airlines
Deal found 10/27$854
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/2712:50 pmDCA - SYD
1 stop26h 10mUnited Airlines
Tue 12/912:10 pmSYD - DCA
1 stop20h 39mUnited Airlines
Deal found 10/27$854
This Delta deal was found by Cheapflights users on 10/26. 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 11/1112:36 pmDCA - SYD
2 stops27h 54mDelta
Wed 12/1010:40 amSYD - DCA
2 stops22h 41mDelta
Deal found 10/26$855

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$765
(Air Canada)

One-way from

$415
(SmartFares)

Popular in

December

Cheapest in

August

Average price

$1,447
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.
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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. 22% potential increase in price ($350 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 28, 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

Thu 1/1

2:45 pm-6:30 am

2 stops24h 45m

Brisbane

Sat 1/17

9:40 am-4:50 pm

2 stops22h 10m

$848

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Wed 11/26

5:59 pm-7:30 am

1 stop22h 31m

Brisbane

Fri 12/12

11:40 am-4:49 pm

1 stop20h 09m

$850

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 11/26

4:34 pm-7:00 am

1 stop22h 26m

Sydney Kingsford Smith

Tue 12/9

2:00 pm-9:36 pm

1 stop23h 36m

$851

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 11/27

12:00 pm-9:05 am

2 stops29h 05m

Sydney Kingsford Smith

Tue 12/9

2:00 pm-9:36 pm

1 stop23h 36m

$854

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 11/25

4:34 pm-7:00 am

1 stop22h 26m

Sydney Kingsford Smith

Thu 12/4

11:50 am-8:56 pm

1 stop25h 06m

$854

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 11/2

10:20 am-8:30 am

2 stops30h 10m

Sydney Kingsford Smith

Sun 11/16

10:40 am-8:41 pm

2 stops26h 01m

$855

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 11/1

5:59 pm-9:15 am

1 stop24h 16m

Sydney Kingsford Smith

Fri 11/7

11:50 am-6:42 pm

1 stop22h 52m

$857

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 11/1

5:07 pm-9:15 am

3 stops49h 08m

Sydney Kingsford Smith

Sat 11/8

11:50 am-11:44 pm

1 stop27h 54m

$858

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 11/20

9:34 am-8:30 am

2 stops30h 56m

Sydney Kingsford Smith

Fri 11/28

10:40 am-11:31 pm

2 stops28h 51m

$861

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 11/1

12:42 pm-7:30 am

2 stops27h 48m

Sydney Kingsford Smith

Sat 11/8

10:40 am-3:46 pm

1 stop21h 06m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 $638). Flying from Washington, D.C. Reagan-National Airport to Australia in November is currently the most expensive (average of $957). 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 October 28, 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 17% 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 October 28, 2025.
Peruse reviews from past customers who have flown with Delta, Qantas Airways, and American 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
7,993 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Qantas Airways
7.5
Good
924 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,993 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Entertainment

7.9

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $850, American Airlines can have you in Australia from Washington, D.C. Reagan-National Airport in 22h 31m. Washington, D.C. Reagan-National Airport and Australia are separated by a distance of 9461 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Australia one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $421. Users have also found prices from $421 and $431 on American Airlines and United Airlines, respectively.

  • 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 - Sydney Kingsford Smith, Washington, D.C. Reagan-National - Melbourne 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 $638). Flying from Washington, D.C. Reagan-National Airport to Australia in November is currently the most expensive (average of $957). 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 3 airlines flying from Reagan-National to Australia

Discover the top 3 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$807Average$1,355FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$818Average$985FlexibilityNo cancel feeOn-time71%
DeltaCheapest$848Average$910FlexibilityNo cancel feeOn-timeN/A

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