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$632+ Cheap flights from Reagan-National (DCA) to Sydney (SYD)

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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
1 adult, Economy
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Cheap flight deals from Reagan-National to Sydney

Cheapest flights from Reagan-National to Sydney
Explore the most affordable flight options available from Reagan-National to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2026.

This Trip.com deal was found by Cheapflights users on 6/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:00 am
DCA
-
SYD
3 stops38h 50m
Multiple Airlines
Mon 8/31:15 pm
SYD
-
DCA
3 stops46h 44m
Multiple Airlines
Deal found 6/8$1,263
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:30 am
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Tue 11/1711:15 am
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 6/11$1,331
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am
DCA
-
SYD
3 stops38h 35m
Multiple Airlines
Sun 11/82:00 pm
SYD
-
DCA
3 stops42h 56m
Multiple Airlines
Deal found 6/10$1,350
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am
DCA
-
SYD
3 stops38h 35m
Multiple Airlines
Thu 11/52:00 pm
SYD
-
DCA
3 stops42h 56m
Multiple Airlines
Deal found 6/10$1,374
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:30 am
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Fri 1/2911:15 am
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 6/9$1,383
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
DCA
-
SYD
2 stops34h 30m
Multiple Airlines
Wed 9/95:50 pm
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 6/11$1,425
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 am
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Thu 1/2811:15 am
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 6/9$1,426
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:30 am
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Tue 1/2611:15 am
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 6/9$1,427
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.
Sun 10/49:30 am
DCA
-
SYD
2 stops42h 20m
Multiple Airlines
Tue 10/208:45 pm
SYD
-
DCA
2 stops38h 15m
Multiple Airlines
Deal found 6/10$1,428
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:30 am
DCA
-
SYD
1 stop28h 55m
Multiple Airlines
Sat 1/2311:15 am
SYD
-
DCA
1 stop24h 45m
Multiple Airlines
Deal found 6/9$1,431
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
DCA
-
SYD
2 stops34h 30m
Multiple Airlines
Thu 9/105:50 pm
SYD
-
DCA
1 stop40h 10m
Multiple Airlines
Deal found 6/11$1,457

Find flight deals from Reagan-National to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,263
(Trip.com)

One-way from

$632
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$1,488
Provider with most accurate pricing for Washington, D.C. Reagan-National-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Sydney Kingsford Smith flights.
Search Deals
From Washington, D.C. Reagan-National to Sydney Kingsford Smith
Search Deals
One-way flight from Washington, D.C. Reagan-National to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($162 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Sydney 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, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 8/4

5:00 pm-6:50 pm

2 stops35h 50m

Sydney Kingsford Smith

Tue 8/18

8:45 pm-8:00 pm

2 stops37h 15m

$1,538

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/26

5:16 pm-6:50 pm

2 stops35h 34m

Sydney Kingsford Smith

Sun 8/16

8:45 pm-8:00 pm

2 stops37h 15m

$1,662
Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 7/24

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sun 8/23

10:20 am-4:43 pm

1 stop20h 23m

$2,009

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/27

11:57 am-8:45 am

3 stops30h 48m

Sydney Kingsford Smith

Fri 8/7

9:55 am-10:15 pm

2 stops26h 20m

$2,060

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/20

4:45 pm-6:50 am

1 stop24h 05m

Sydney Kingsford Smith

Wed 10/21

10:15 am-4:01 pm

1 stop20h 46m

$2,133

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/13

4:45 pm-6:50 am

1 stop24h 05m

Sydney Kingsford Smith

Thu 7/23

9:15 am-8:47 pm

2 stops25h 32m

$2,228

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 9/2

12:57 pm-8:45 am

3 stops29h 48m

Sydney Kingsford Smith

Mon 9/7

9:55 am-10:13 pm

2 stops26h 18m

$2,283

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/19

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sun 8/16

10:20 am-4:43 pm

1 stop20h 23m

$2,309

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/13

7:28 pm-6:55 am

2 stops45h 27m

Sydney Kingsford Smith

Tue 7/21

10:20 am-4:47 pm

1 stop20h 27m

$2,313

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/19

4:45 pm-6:50 am

1 stop24h 05m

Sydney Kingsford Smith

Tue 10/20

10:15 am-4:01 pm

1 stop20h 46m

$2,316

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Reagan-National to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Sydney in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $865). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $2,097). 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Sydney?

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated June 12, 2026.
Read reviews from past customers who have flown Qantas Airways and American Airlines from Washington, D.C. Reagan-National Airport to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
1,046 reviews

Entertainment

7.2

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,046 reviews
Qantas Airways
7.5
Good
1,046 reviews

Entertainment

7.2

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
American Airlines
7.1
Good
11,643 reviews
Qantas Airways
7.5
Good
1,046 reviews

Entertainment

7.2

Comfort

7.5

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Washington, D.C. Reagan-National?

    If you book a flight to Sydney from Washington, D.C. Reagan-National, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 4.6 mi from the center of Sydney. There are 0 flights from Washington, D.C. Reagan-National to Kingsford Smith per day from 2 different airlines.

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

    United Airlines and Delta can get you from Washington, D.C. Reagan-National Airport to Sydney in just under 22h 56m. Your travel time can differ by up to 1h 09m. The distance between Washington, D.C. Reagan-National Airport and Sydney is about 9758 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Sydney round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Sydney round-trip from $836. Another airline that can offer you cheap pricing is Qantas Airways. Users have found that American Airlines is 40% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $865). Flying from Washington, D.C. Reagan-National Airport to Sydney in December is currently the most expensive (average of $2,097). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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Alternative routes for Reagan-National to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Reagan-National to Sydney

Discover the top 2 airlines that operate flights from Reagan-National to Sydney. 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, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$836Average$1,599FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,048Average$1,564FlexibilityNo cancel feeOn-time74%

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