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Cheap flights from Washington, D.C. Reagan-National Airport to Sydney from $717

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SYD
21 May — 28 May1
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 16 May 2025.

Round-trip from

$1,775

One-way from

$717

Popular in

January

Cheapest in

October

Average price

$2,132
28/8-12/9
  • 28/8-12/9
  • 3 total stops
  • 79h 55m total
  • Washington, D.C. to Sydney
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10/9
  • 10/9
  • 2 total stops
  • 53h 45m total
  • Washington, D.C. to Sydney
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($504 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease ($132 potential savings vs. average return price).
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Average for round-trip flights in May 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 16 May 2025.

Thu 28/809:59DCA - SYD
2 stops38h 41mMultiple Airlines
Fri 12/917:45SYD - DCA
1 stop41h 14mMultiple Airlines
Deal found 15/5$1,775
Sat 1/1119:17DCA - SYD
2 stops35h 33mFiji Airways
Sat 8/1114:30SYD - DCA
2 stops22h 24mFiji Airways
Deal found 15/5$1,856
Wed 3/1213:15DCA - SYD
2 stops29h 35mQantas Airways
Wed 17/1207:05SYD - DCA
2 stops28h 45mQantas Airways
Deal found 15/5$1,857
Tue 5/816:59DCA - SYD
2 stops25h 46mAir New Zealand
Tue 12/809:55SYD - DCA
2 stops26h 20mAir New Zealand
Deal found 15/5$2,027
Wed 22/1009:59DCA - SYD
2 stops42h 46mAlaska Airlines
Tue 28/1021:40SYD - DCA
2 stops38h 15mAlaska Airlines
Deal found 15/5$2,166
Sat 27/920:40DCA - SYD
2 stops44h 40mAir Canada
Sun 19/1010:20SYD - DCA
2 stops26h 31mAir Canada
Deal found 15/5$2,214
Mon 7/717:30DCA - SYD
1 stop23h 35mAmerican Airlines
Mon 14/709:10SYD - DCA
1 stop21h 11mAmerican Airlines
Deal found 15/5$2,404
Wed 10/1214:50DCA - SYD
2 stops26h 15mUnited Airlines
Wed 31/1212:10SYD - DCA
1 stop25h 03mUnited Airlines
Deal found 15/5$2,428
Sun 9/1117:25DCA - SYD
1 stop23h 10mDelta
Sun 30/1111:05SYD - DCA
1 stop21h 02mDelta
Deal found 14/5$2,442

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 16 May 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

Thu 28/8

09:59-14:40

2 stops38h 41m

Sydney Kingsford Smith

Fri 12/9

17:45-20:59

1 stop41h 14m

$1,775

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/11

19:17-21:50

2 stops35h 33m

Sydney Kingsford Smith

Sat 8/11

14:30-20:54

2 stops22h 24m

$1,856

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 5/8

16:59-08:45

2 stops25h 46m

Sydney Kingsford Smith

Tue 12/8

09:55-22:15

2 stops26h 20m

$2,027

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 1/11

15:20-11:45

2 stops29h 25m

Sydney Kingsford Smith

Sat 8/11

14:20-20:54

1 stop22h 34m

$2,074

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 22/10

09:59-19:45

2 stops42h 46m

Sydney Kingsford Smith

Tue 28/10

21:40-20:55

2 stops38h 15m

$2,166

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 27/9

20:40-07:20

2 stops44h 40m

Sydney Kingsford Smith

Sun 19/10

10:20-21:51

2 stops26h 31m

$2,214

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 7/7

17:30-07:05

1 stop23h 35m

Sydney Kingsford Smith

Mon 14/7

09:10-16:21

1 stop21h 11m

$2,404

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 9/11

17:25-08:35

1 stop23h 10m

Sydney Kingsford Smith

Sun 30/11

11:05-16:07

1 stop21h 02m

$2,442

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 24/8

07:00-06:55

1 stop33h 55m

Sydney Kingsford Smith

Tue 2/9

10:20-21:37

1 stop25h 17m

$2,453

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 14/7

15:30-19:15

2 stops37h 45m

Sydney Kingsford Smith

Sun 20/7

20:55-15:48

2 stops32h 53m

$2,537

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 23 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 9 May 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.

Rainfall in Sydney by month

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

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

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

If weather is an important factor for your trip to Sydney, 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 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

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 16 May 2025.
To help decide which airline to fly from Washington, D.C. to Sydney, see what other customers have to say about Air Tahiti Nui, Japan Airlines and ANA. In addition to providing an overall rating, 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

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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
Check prices

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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
1,473 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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.
Singapore Airlines
8.1
Very Good
1,294 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Overall

8.7

Crew

9.0

Comfort

8.1

Entertainment

7.3

Food

7.8

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 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, Fiji Airways ($1,856), Air New Zealand ($2,027), and Qantas Airways ($2,074) offers the cheapest pricing from Washington, D.C. Reagan-National Airport to Sydney.

  • 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 $1,038 on Fiji Airways. Other airlines that offer cheap prices include Qantas Airways from $1,311 and American Airlines from $1,390 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
Swansea

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Alternative routes for Reagan-National to Sydney

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