HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sydney

$570+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
May 23 — May 301
Sat 5/23
Sat 5/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Sydney with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 4/19. 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.
Tue 11/39:30 am
DCA
-
SYD
2 stops42h 15m
Multiple Airlines
Tue 11/179:40 pm
SYD
-
DCA
2 stops38h 20m
Multiple Airlines
Deal found 4/19$1,337
This oojo deal was found by Cheapflights users on 4/19. 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 6/296:55 pm
DCA
-
SYD
1 stop22h 00m
Qantas Airways
Sun 8/2312:00 pm
SYD
-
DCA
1 stop21h 14m
Qantas Airways
Deal found 4/19$1,364
This oojo deal was found by Cheapflights users on 4/20. 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.
Wed 6/31:53 pm
DCA
-
SYD
1 stop27h 02m
Qantas Airways
Wed 6/2412:00 pm
SYD
-
DCA
1 stop21h 13m
Qantas Airways
Deal found 4/20$1,366
This Rumbo deal was found by Cheapflights users on 4/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/204:59 pm
DCA
-
SYD
1 stop24h 06m
Qantas Airways
Mon 5/412:00 pm
SYD
-
DCA
1 stop21h 57m
Qantas Airways
Deal found 4/19$1,380
This Alaska Airlines deal was found by Cheapflights users on 4/18. 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.
Tue 9/19:30 am
DCA
-
SYD
1 stop32h 00m
Alaska Airlines
Tue 9/155:50 pm
SYD
-
DCA
1 stop40h 10m
Alaska Airlines
Deal found 4/18$1,382
This oojo deal was found by Cheapflights users on 4/20. 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 7/265:31 pm
DCA
-
SYD
1 stop23h 34m
Qantas Airways
Sun 8/2312:00 pm
SYD
-
DCA
1 stop23h 27m
Qantas Airways
Deal found 4/20$1,383
This oojo deal was found by Cheapflights users on 4/19. 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 7/63:18 pm
DCA
-
SYD
1 stop25h 37m
Qantas Airways
Mon 8/312:00 pm
SYD
-
DCA
1 stop20h 59m
Qantas Airways
Deal found 4/19$1,385
This oojo deal was found by Cheapflights users on 4/19. 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.
Wed 6/39:59 am
DCA
-
SYD
1 stop31h 06m
Multiple Airlines
Wed 6/109:10 am
SYD
-
DCA
1 stop24h 50m
Multiple Airlines
Deal found 4/19$1,390
This oojo deal was found by Cheapflights users on 4/19. 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 6/15:16 pm
DCA
-
SYD
1 stop24h 14m
Qantas Airways
Mon 6/812:00 pm
SYD
-
DCA
1 stop21h 13m
Qantas Airways
Deal found 4/19$1,397
This oojo deal was found by Cheapflights users on 4/21. 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.
Wed 4/228:30 am
DCA
-
SYD
1 stop32h 35m
Multiple Airlines
Wed 4/299:10 am
SYD
-
DCA
1 stop24h 50m
Multiple Airlines
Deal found 4/21$1,398
This Cheapflightsfares deal was found by Cheapflights users on 4/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:30 am
DCA
-
SYD
1 stop32h 35m
Qantas Airways
Wed 5/612:00 pm
SYD
-
DCA
1 stop21h 57m
Qantas Airways
Deal found 4/20$1,406

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,364
(oojo)

One-way from

$570
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$1,506
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 ($174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 23, 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
Quickest round-trip

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/29

5:16 pm-7:05 am

1 stop23h 49m

Sydney Kingsford Smith

Mon 8/3

12:00 pm-11:00 pm

1 stop25h 00m

$1,465

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 7/25

8:40 am-7:05 am

1 stop32h 25m

Sydney Kingsford Smith

Thu 8/6

12:00 pm-9:27 pm

1 stop23h 27m

$1,565

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 6/20

8:29 am-7:05 am

1 stop32h 36m

Sydney Kingsford Smith

Thu 7/9

12:00 pm-9:30 pm

1 stop23h 30m

$1,565

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 7/12

8:40 am-7:05 am

1 stop32h 25m

Sydney Kingsford Smith

Thu 8/6

12:00 pm-9:27 pm

1 stop23h 27m

$1,590

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 8/26

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Sun 9/27

9:25 pm-9:00 pm

2 stops37h 35m

$1,615

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 6/4

9:59 am-6:50 pm

2 stops42h 51m

Sydney Kingsford Smith

Thu 6/11

8:45 pm-9:00 pm

2 stops38h 15m

$1,625

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/7

5:31 pm-7:05 am

1 stop23h 34m

Sydney Kingsford Smith

Sun 7/26

8:40 pm-9:30 pm

2 stops38h 50m

$1,672

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 8/27

9:30 am-7:30 am

1 stop32h 00m

Sydney Kingsford Smith

Sun 9/27

9:25 pm-8:00 pm

2 stops36h 35m

$1,703

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 7/7

9:59 am-7:30 am

1 stop31h 31m

Sydney Kingsford Smith

Thu 7/23

5:50 pm-4:00 pm

2 stops36h 10m

$1,724

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 6/14

9:59 am-6:50 pm

2 stops42h 51m

Sydney Kingsford Smith

Sun 6/28

8:45 pm-8:00 pm

2 stops37h 15m

$1,829

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

Showing 1-10 of 19 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 April.
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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $980). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,803). 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 April 23, 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
1,025 reviews

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Food

7.0

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
1,025 reviews
Qantas Airways
7.5
Good
1,025 reviews

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Food

7.0

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
11,664 reviews
Qantas Airways
7.5
Good
1,025 reviews

Overall

7.5

Crew

8.1

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Food

7.0

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?

    Qantas Airways and Alaska Airlines can get you from Washington, D.C. Reagan-National Airport to Sydney in just under 23h 49m. Your travel time can differ by up to 8h 11m. 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 42% 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $980). Flying from Washington, D.C. Reagan-National Airport to Sydney in May is currently the most expensive (average of $1,803). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Sydney flights
Baltimore to Sydney flights

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 April 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$836Average$1,599FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$1,032Average$1,507FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.