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Cheap flights from Washington, D.C. to Sydney from $613

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
26 Feb — 5 Mar1
1 adult

The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in February or March, booked 79 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 21 February 2025.

Round-trip from

$1,312

One-way from

$613

Popular in

December

Cheapest in

February

Average price

$1,463
American Airlines
  • American Airlines
  • 13/8-20/8
  • 3 total stops
  • 51h 30m total
  • Washington, D.C. to Sydney
American Airlines
  • American Airlines
  • 12/4
  • 2 total stops
  • 26h 23m total
  • Washington, D.C. to Sydney
Highest demand for flights based on searches. 18% potential increase in price ($728 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($121 potential savings vs. average return price).
Average for round-trip flights in February 2025

Find flight deals from Washington, D.C. to Sydney

Cheapest flights from Washington, D.C. to Sydney
Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Wed 13/813:56IAD - SYD
2 stops26h 59mAmerican Airlines
Wed 20/812:10SYD - IAD
1 stop24h 31mAmerican Airlines
Deal found 20/2$1,312
Tue 1/717:40DCA - SYD
2 stops23h 15mAmerican Airlines
Tue 15/710:25SYD - DCA
1 stop20h 04mAmerican Airlines
Deal found 21/2$1,312
Sun 9/317:35DCA - SYD
1 stop24h 25mQantas Airways
Thu 20/311:50SYD - DCA
1 stop28h 00mQantas Airways
Deal found 20/2$1,419
Sun 9/317:20IAD - SYD
1 stop22h 15mQantas Airways
Fri 21/311:50SYD - IAD
1 stop25h 24mQantas Airways
Deal found 20/2$1,420
Sun 13/415:05IAD - SYD
2 stops25h 30mDelta
Tue 22/409:25SYD - IAD
2 stops28h 01mDelta
Deal found 21/2$1,452
Sun 13/417:25DCA - SYD
1 stop23h 10mDelta
Wed 23/409:25SYD - DCA
2 stops26h 35mDelta
Deal found 21/2$1,452
Mon 11/816:00IAD - SYD
2 stops28h 35mAir New Zealand
Sun 24/809:55SYD - IAD
2 stops28h 29mAir New Zealand
Deal found 20/2$1,874
Wed 27/816:15BWI - SYD
2 stops26h 30mAir New Zealand
Tue 9/909:55SYD - BWI
2 stops26h 39mAir New Zealand
Deal found 19/2$1,875
Tue 18/1118:59DCA - SYD
2 stops25h 31mFiji Airways
Thu 4/1206:00SYD - DCA
2 stops33h 07mFiji Airways
Deal found 19/2$1,919
Thu 19/614:56DCA - SYD
2 stops27h 49mAir New Zealand
Tue 15/711:50SYD - DCA
2 stops26h 09mAir New Zealand
Deal found 19/2$1,947
Sat 16/817:35IAD - SYD
2 stops28h 10mMultiple Airlines
Sat 30/813:45SYD - IAD
2 stops22h 56mMultiple Airlines
Deal found 20/2$1,982
Thu 17/407:00DCA - SYD
2 stops33h 35mMultiple Airlines
Mon 28/417:45SYD - DCA
1 stop41h 13mMultiple Airlines
Deal found 19/2$2,032

Find flights from Washington, D.C. to Sydney within your budget

Customise your flight search to find flights from Washington, D.C. 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 21 February 2025.

Fly from

Washington, D.C.

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 13/8

13:56-06:55

2 stops26h 59m

Sydney Kingsford Smith

Wed 20/8

12:10-22:41

1 stop24h 31m

$1,312

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 15/4

16:55-06:55

2 stops24h 00m

Sydney Kingsford Smith

Wed 23/4

10:25-17:59

2 stops21h 34m

$1,312

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 9/3

17:35-09:00

1 stop24h 25m

Sydney Kingsford Smith

Fri 21/3

11:50-18:51

1 stop22h 01m

$1,419

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 9/3

17:20-06:35

1 stop22h 15m

Sydney Kingsford Smith

Fri 21/3

11:50-22:14

1 stop25h 24m

$1,420

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 13/4

15:05-06:35

2 stops25h 30m

Sydney Kingsford Smith

Tue 22/4

09:25-23:26

2 stops28h 01m

$1,452

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 25/6

17:25-06:35

1 stop23h 10m

Sydney Kingsford Smith

Mon 28/7

09:25-16:20

1 stop20h 55m

$1,461

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 11/8

16:00-10:35

2 stops28h 35m

Sydney Kingsford Smith

Sun 24/8

09:55-00:24

2 stops28h 29m

$1,874

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Tue 6/5

16:19-08:45

2 stops26h 26m

Sydney Kingsford Smith

Mon 2/6

08:45-22:50

2 stops28h 05m

$1,889

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 19/6

14:56-08:45

2 stops27h 49m

Sydney Kingsford Smith

Tue 15/7

11:50-23:59

2 stops26h 09m

$1,947

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 16/8

17:35-11:45

2 stops28h 10m

Sydney Kingsford Smith

Sat 30/8

13:45-22:41

2 stops22h 56m

$1,982

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 50 results
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Best time to book a flight from Washington, D.C. to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. 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.

Travel insights for flights from Washington, D.C. to Sydney

Get recent, data-driven insights about flights from Washington, D.C. to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Sydney. Price data was last updated on 14 February 2025.

Booking 79 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. 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.

What is the cheapest time of day to fly from WAS to SYD?

Find hourly flight availability from Washington, D.C. to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

It’s typically best to fly out from Washington, D.C. to Sydney in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.

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 21 February 2025.
Peruse reviews from past customers who have flown with Air Tahiti Nui, ANA and Singapore Airlines from Washington, D.C. to Sydney to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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.

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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.

8.4
Very Good

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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.

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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.

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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.

8.0
Very Good

Entertainment

7.2

Overall

8.7

Food

7.8

Crew

9.1

Boarding

8.7

Comfort

8.0

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 Washington, D.C. 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.?

    If you book a flight to Sydney from Washington, D.C., you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney. There are 0 flights from Washington, D.C. to Kingsford Smith per day from 2 different airlines.

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

    Flying on American Airlines is currently your cheapest option to Sydney, with prices starting at $1,312. Additional round-trip tickets that might be worth considering are offered by Qantas Airways and Delta, with the lowest prices starting at $1,419 and $1,452, respectively. American Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapet airlines for a one-way flight from Washington, D.C. to Sydney are American Airlines ($613), Qantas Airways ($640), and Fiji Airways ($1,038).

  • What are the most popular routes from Washington, D.C. to Sydney?

  • Can I find deals for flights from Washington, D.C. to Sydney that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Sydney?

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

  • Can I find deals for business class flights from Washington, D.C. to Sydney?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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. to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $129). Flying from Washington, D.C. 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.?

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

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Alternative routes for Washington, D.C. to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Washington, D.C. to Sydney

Discover the top 2 airlines that operate flights from Washington, D.C. 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 647,157 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,878Average$2,286FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$2,131Average$2,445FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Sydney flexibly with Cheapflights today.

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Yes! Start tracking prices for Washington, D.C. to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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