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$431+ 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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$871
(Delta)

One-way from

$431
(Delta)

Popular in

December

Cheapest in

February

Average price

$979
From Washington, D.C. Reagan-National to Australia
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One-way flight from Washington, D.C. Reagan-National to Australia
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Highest demand for flights based on searches. 20% potential increase in price ($325 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/12. 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.
Sun 7/275:10 pmDCA - SYD
1 stop23h 25mDelta
Sun 8/39:25 amSYD - DCA
1 stop20h 35mDelta
Deal found 6/12$871
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 8/127:31 pmDCA - MEL
2 stops33h 49mMultiple Airlines
Sat 8/237:30 amMEL - DCA
2 stops29h 29mMultiple Airlines
Deal found 6/10$1,188
This oojo deal was found by Cheapflights users on 6/10. 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.
Sat 11/17:17 pmDCA - SYD
2 stops26h 13mFiji Airways
Sat 11/82:30 pmSYD - DCA
2 stops22h 24mFiji Airways
Deal found 6/10$1,202
This oojo deal was found by Cheapflights users on 6/10. 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.
Mon 8/115:59 pmDCA - MEL
2 stops26h 51mAir New Zealand
Mon 12/158:35 amMEL - DCA
2 stops28h 00mAir New Zealand
Deal found 6/10$1,297
This KAYAK deal was found by Cheapflights users on 6/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:31 pmDCA - BNE
2 stops24h 54mFiji Airways
Thu 8/2811:40 amBNE - DCA
2 stops25h 19mFiji Airways
Deal found 6/9$1,298
This Gurufare deal was found by Cheapflights users on 6/9. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/185:59 pmDCA - BNE
2 stops27h 01mAir New Zealand
Wed 8/279:45 amBNE - DCA
2 stops26h 24mAir New Zealand
Deal found 6/9$1,324
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/244:47 pmDCA - SYD
2 stops25h 58mAir New Zealand
Sun 9/711:50 amSYD - DCA
2 stops24h 19mAir New Zealand
Deal found 6/11$1,328
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:59 amDCA - SYD
1 stop31h 31mMultiple Airlines
Fri 7/184:20 pmSYD - DCA
2 stops44h 39mMultiple Airlines
Deal found 6/10$1,352
This Air Canada deal was found by Cheapflights users on 6/12. 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 10/149:40 amDCA - SYD
3 stops31h 40mAir Canada
Tue 11/1111:20 amSYD - DCA
2 stops25h 40mAir Canada
Deal found 6/12$1,378
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:59 pmDCA - SYD
2 stops33h 46mAlaska Airlines
Tue 10/289:40 pmSYD - DCA
2 stops37h 20mAlaska Airlines
Deal found 6/10$1,386
This Aunt Betty deal was found by Cheapflights users on 6/12. 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 7/278:20 amDCA - BNE
2 stops34h 10mMultiple Airlines
Sun 8/39:45 amBNE - DCA
2 stops25h 57mMultiple Airlines
Deal found 6/12$1,406
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/35:30 pmDCA - MEL
1 stop23h 15mQantas Airways
Mon 8/183:05 pmMEL - DCA
1 stop21h 54mQantas Airways
Deal found 6/11$1,437

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 June 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.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/27

5:10 pm-6:35 am

1 stop23h 25m

Sydney Kingsford Smith

Sun 8/3

9:25 am-4:00 pm

1 stop20h 35m

$871

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Tue 8/12

7:31 pm-7:20 pm

2 stops33h 49m

Melbourne

Sat 8/23

7:30 am-10:59 pm

2 stops29h 29m

$1,188

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/26

7:31 pm-10:10 pm

2 stops36h 39m

Sydney Kingsford Smith

Tue 9/9

6:00 am-11:00 pm

2 stops31h 00m

$1,216

Washington, D.C.Melbourne

DCA - MEL

DCAMEL

Washington, D.C. Reagan-National

Mon 8/11

5:59 pm-10:50 am

2 stops26h 51m

Melbourne

Mon 12/15

8:35 am-8:35 pm

2 stops28h 00m

$1,297

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Tue 8/19

7:31 pm-10:25 am

2 stops24h 54m

Brisbane

Thu 8/28

11:40 am-10:59 pm

2 stops25h 19m

$1,298

Washington, D.C.Brisbane

DCA - BNE

DCABNE

Washington, D.C. Reagan-National

Mon 8/18

5:59 pm-11:00 am

2 stops27h 01m

Brisbane

Wed 8/27

9:45 am-10:09 pm

2 stops26h 24m

$1,324

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 8/24

4:47 pm-8:45 am

2 stops25h 58m

Sydney Kingsford Smith

Sun 9/7

11:50 am-10:09 pm

2 stops24h 19m

$1,328

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/8

9:59 am-7:30 am

1 stop31h 31m

Sydney Kingsford Smith

Fri 7/18

4:20 pm-10:59 pm

2 stops44h 39m

$1,352

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 9/9

9:40 am-7:20 am

3 stops31h 40m

Sydney Kingsford Smith

Tue 9/23

9:20 am-9:51 pm

2 stops26h 31m

$1,379

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/12

6:58 pm-7:45 pm

2 stops34h 47m

Sydney Kingsford Smith

Thu 8/21

9:40 pm-8:59 pm

2 stops37h 19m

$1,406

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Australia (average of $1,041). Flying from Washington, D.C. Reagan-National Airport to Australia in December is currently the most expensive (average of $1,635). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Australia as you normally would.

Rainfall in Australia by month

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

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

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

If weather is an important factor for your trip to Australia, 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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Australia, such as Air Tahiti Nui, Japan Airlines and ANA. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very good
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,490 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
194 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Emirates
8.1
Very good
3,264 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Crew

9.0

Overall

8.7

Food

7.8

Comfort

8.1

Entertainment

7.3

Boarding

8.7

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 Delta. According to our data, you can fly for as low as $431. Users have also found prices from $629 and $696 on Fiji Airways and Alaska 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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Australia (average of $1,041). Flying from Washington, D.C. Reagan-National Airport to Australia in December is currently the most expensive (average of $1,635). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$346Average$1,557FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$807Average$1,338FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$818Average$920FlexibilityNo cancel feeOn-time71%
DeltaCheapest$848Average$910FlexibilityNo cancel feeOn-timeN/A

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