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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $633

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
2 Jul — 9 Jul1
1 adult

Cheap 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 27 June 2025.

Round-trip from

$1,284

One-way from

$633

Popular in

January

Cheapest in

March

Average price

$1,414
Delta
  • Delta
  • 18/8-31/8
  • 2 total stops
  • 44h 00m total
  • Washington, D.C. to Sydney
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Delta
  • Delta
  • 21/8
  • 2 total stops
  • 26h 55m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($451 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($122 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Find 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 27 June 2025.

Mon 18/817:10DCA - SYD
1 stop23h 25mDelta
Sun 31/809:25SYD - DCA
1 stop20h 35mDelta
Deal found 25/6$1,284
Mon 11/809:59DCA - SYD
1 stop31h 06mMultiple Airlines
Mon 18/809:10SYD - DCA
1 stop26h 32mMultiple Airlines
Deal found 27/6$1,772
Sat 1/1119:17DCA - SYD
2 stops26h 13mFiji Airways
Sat 15/1114:30SYD - DCA
2 stops22h 24mFiji Airways
Deal found 24/6$1,826
Mon 11/808:00DCA - SYD
2 stops33h 05mAlaska Airlines
Mon 18/809:10SYD - DCA
1 stop26h 32mAlaska Airlines
Deal found 27/6$1,943
Tue 5/814:54DCA - SYD
2 stops27h 51mAir New Zealand
Tue 2/911:50SYD - DCA
2 stops24h 19mAir New Zealand
Deal found 25/6$2,055
Mon 27/1011:00DCA - SYD
2 stops30h 35mAir Canada
Wed 12/1111:20SYD - DCA
3 stops38h 59mAir Canada
Deal found 25/6$2,107
Tue 4/1117:30DCA - SYD
1 stop23h 30mQantas Airways
Mon 17/1114:20SYD - DCA
1 stop24h 40mQantas Airways
Deal found 25/6$2,219
Sun 30/1108:40DCA - SYD
1 stop30h 45mAmerican Airlines
Wed 10/1211:15SYD - DCA
1 stop25h 43mAmerican Airlines
Deal found 25/6$2,359
Mon 29/1207:00DCA - SYD
1 stop31h 20mUnited Airlines
Mon 12/112:10SYD - DCA
1 stop20h 46mUnited Airlines
Deal found 25/6$2,384

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 27 June 2025.
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

Reagan-National

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 18/8

17:10-06:35

1 stop23h 25m

Sydney Kingsford Smith

Tue 11/11

11:05-16:07

1 stop21h 02m

$1,284

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/11

19:17-12:30

2 stops26h 13m

Sydney Kingsford Smith

Sat 15/11

14:30-20:54

2 stops22h 24m

$1,826

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 5/8

14:54-08:45

2 stops27h 51m

Sydney Kingsford Smith

Tue 2/9

11:50-22:09

2 stops24h 19m

$2,055

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 18/10

09:59-15:40

2 stops38h 41m

Sydney Kingsford Smith

Sat 25/10

18:45-20:00

1 stop40h 15m

$2,060

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 27/10

11:00-08:35

2 stops30h 35m

Sydney Kingsford Smith

Wed 12/11

11:20-10:19

3 stops38h 59m

$2,107

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 28/8

08:59-07:30

1 stop32h 31m

Sydney Kingsford Smith

Tue 9/9

21:30-17:59

1 stop34h 29m

$2,119

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 27/8

17:30-07:05

1 stop23h 35m

Sydney Kingsford Smith

Tue 9/9

09:10-20:59

1 stop25h 49m

$2,212

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 30/11

08:40-07:25

1 stop30h 45m

Sydney Kingsford Smith

Wed 10/12

11:15-20:58

1 stop25h 43m

$2,359

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 10/12

06:00-07:00

1 stop33h 00m

Sydney Kingsford Smith

Wed 31/12

14:00-21:13

1 stop23h 13m

$2,384

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 21/8

13:40-06:35

2 stops26h 55m

$633

Flights are sorted by cheapest return flights first.

Deals found on 24/6

Showing 1-10 of 26 results
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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 return 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

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from Reagan-National to Sydney. Price data was last updated on 20 June 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Reagan-National Airport to Sydney, you should look to book at least 11 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $129). Flying from Washington, D.C. Reagan-National Airport to Sydney in October is currently the most expensive (average of $171). 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.

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 27 June 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, Japan Airlines, andANA from Washington, D.C. Reagan-National Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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
1,504 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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
887 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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.
Asiana Airlines
8.2
Very Good
449 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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
8.0
Very Good
202 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Crew

9.0

Overall

8.7

Comfort

8.1

Food

7.8

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 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?

    Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Kingsford Smith (SYD) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 0 different airlines.

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

    According to our current data, Delta ($1,284), Fiji Airways ($1,826), and Air New Zealand ($2,055) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Sydney. Delta is currently priced 28% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $633 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $1,058 and Fiji Airways from $1,101 one-way.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Sydney (average of $129). Flying from Washington, D.C. Reagan-National Airport to Sydney in October is currently the most expensive (average of $171). 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

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Manly
Penrith
Coogee
Randwick
Cronulla
Terrigal
Lithgow
Bondi Beach
Leura

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Alternative routes for Reagan-National to Sydney

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