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$477+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Orient Vacations deal was found by Cheapflights users on 3/8. 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 Orient Vacations is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/222:33 pm
DCA
-
SYD
2 stops28h 12m
Air New Zealand
Wed 4/2911:55 am
SYD
-
DCA
2 stops24h 20m
Air New Zealand
Deal found 3/8$1,213
This lol.travel deal was found by Cheapflights users on 3/8. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:34 pm
DCA
-
SYD
2 stops26h 11m
Air New Zealand
Mon 5/119:55 am
SYD
-
DCA
2 stops28h 03m
Air New Zealand
Deal found 3/8$1,237
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/42:35 pm
DCA
-
SYD
2 stops28h 10m
Air New Zealand
Wed 5/139:55 am
SYD
-
DCA
2 stops26h 20m
Air New Zealand
Deal found 3/8$1,238
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:59 pm
DCA
-
SYD
2 stops24h 46m
Air New Zealand
Tue 7/219:55 am
SYD
-
DCA
2 stops44h 52m
Air New Zealand
Deal found 3/8$1,253
This oojo deal was found by Cheapflights users on 3/7. 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 4/128:30 am
DCA
-
SYD
2 stops34h 15m
Air New Zealand
Sat 4/257:20 pm
SYD
-
DCA
2 stops40h 55m
Air New Zealand
Deal found 3/7$1,257
This oojo deal was found by Cheapflights users on 3/9. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/267:55 am
DCA
-
SYD
2 stops36h 45m
Air New Zealand
Sun 8/237:05 pm
SYD
-
DCA
2 stops42h 40m
Air New Zealand
Deal found 3/9$1,259
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:50 pm
DCA
-
SYD
2 stops44h 55m
Air New Zealand
Mon 12/71:55 pm
SYD
-
DCA
2 stops43h 01m
Air New Zealand
Deal found 3/8$1,264
This oojo deal was found by Cheapflights users on 3/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:59 pm
DCA
-
SYD
2 stops46h 46m
Air New Zealand
Tue 4/287:20 pm
SYD
-
DCA
2 stops40h 55m
Air New Zealand
Deal found 3/8$1,268

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,213
(Orient Vacations)

One-way from

$477
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,553
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. 2% potential increase in price ($44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 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

Mon 6/8

11:57 am-10:40 am

3 stops32h 43m

Sydney Kingsford Smith

Sat 7/11

11:55 am-10:15 pm

2 stops24h 20m

$1,594

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/10

12:59 pm-8:45 am

3 stops29h 46m

Sydney Kingsford Smith

Fri 6/19

9:55 am-10:15 pm

2 stops26h 20m

$1,669

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/1

4:59 pm-12:50 pm

2 stops28h 51m

Sydney Kingsford Smith

Tue 4/28

1:15 pm-11:59 pm

2 stops24h 44m

$1,730

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 6/3

11:57 am-8:45 am

3 stops30h 48m

Sydney Kingsford Smith

Thu 6/18

11:55 am-10:15 pm

2 stops24h 20m

$1,795

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 4/10

4:59 pm-7:05 am

1 stop24h 06m

Sydney Kingsford Smith

Fri 4/24

12:00 pm-10:56 pm

1 stop24h 56m

$1,905
Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 3/15

4:35 pm-6:05 am

1 stop22h 30m

Sydney Kingsford Smith

Wed 3/25

9:40 am-3:30 pm

1 stop20h 50m

$2,149

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 4/6

11:58 am-8:45 am

3 stops30h 47m

Sydney Kingsford Smith

Wed 5/6

11:55 am-10:15 pm

2 stops24h 20m

$2,158

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 4/4

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sat 4/11

7:20 pm-10:15 pm

2 stops40h 55m

$2,328
Cheapest one-way

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 4/24

6:00 pm-11:50 am

3 stops51h 50m

$536

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 4/8

9:59 am-7:30 am

1 stop31h 31m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $511). Flying from Washington, D.C. Reagan-National Airport to Sydney in March is currently the most expensive (average of $1,512). 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 March 12, 2026.
Read reviews from past customers who have flown Delta,Qantas Airways, andUnited 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.
Delta
7.9
Good
8,285 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

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
8,285 reviews
Delta
7.9
Good
8,285 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

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
1,004 reviews
Delta
7.9
Good
8,285 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

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
9,421 reviews
Delta
7.9
Good
8,285 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

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
7.1
Good
11,442 reviews
Delta
7.9
Good
8,285 reviews

Food

7.2

Crew

8.5

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

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 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 4 different airlines.

  • 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 $346. Other airlines that can offer you cheap pricing are Delta, from $850, and American Airlines, from $980. Users have found that United Airlines is 76% 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, December is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $511). Flying from Washington, D.C. Reagan-National Airport to Sydney in March is currently the most expensive (average of $1,512). 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 4 airlines flying from Reagan-National to Sydney

Discover the top 4 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$346Average$1,267FlexibilityNo cancel feeOn-time69%
DeltaCheapest$850Average$1,368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$980Average$1,571FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$992Average$1,500FlexibilityNo cancel feeOn-time74%

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