Sydney

$410+ Cheap flights from Washington, D.C. (WAS) 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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SYD
Jan 26 — Feb 21
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The best prices from Washington, D.C. to Sydney Kingsford Smith are usually found in February or March, booked 88 days in advance, depart on a Tuesday or Thursday 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 January 21, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$860
(Flighttix)

One-way from

$410
(Justfly.com)

Popular in

December

Cheapest in

February

Average price

$1,537
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
From Washington, D.C. (WAS) to Sydney Kingsford Smith
One-way flight from Washington, D.C. (WAS) to Sydney Kingsford Smith
Highest demand for flights based on searches. 16% potential increase in price ($264 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in January 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 January 21, 2025.

This Flighttix deal was found by Cheapflights users on 1/20. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/18:00 amDCA - SYD
1 stop31h 25mBritish Airways
Fri 3/711:50 amSYD - DCA
1 stop40h 09mBritish Airways
Deal found 1/20$860
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/16:12 amIAD - SYD
1 stop32h 23mAmerican Airlines
Fri 3/711:50 amSYD - IAD
1 stop20h 32mAmerican Airlines
Deal found 1/20$861
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/12:59 pmDCA - SYD
1 stop23h 36mAmerican Airlines
Fri 3/711:50 amSYD - DCA
1 stop22h 51mAmerican Airlines
Deal found 1/20$863
This oojo deal was found by Cheapflights users on 1/19. 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 2/128:00 amDCA - SYD
1 stop33h 00mQantas Airways
Fri 2/2111:50 amSYD - DCA
1 stop25h 00mQantas Airways
Deal found 1/19$867
This Qantas Airways deal was found by Cheapflights users on 1/21. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/265:30 pmDCA - SYD
1 stop23h 30mMultiple Airlines
Sat 2/811:50 amSYD - DCA
1 stop23h 12mMultiple Airlines
Deal found 1/21$893
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/95:45 amBWI - SYD
3 stops38h 45mMultiple Airlines
Sat 2/152:30 pmSYD - BWI
3 stops34h 35mMultiple Airlines
Deal found 1/19$951
This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/175:13 pmIAD - SYD
2 stops25h 07mQantas Airways
Thu 2/277:30 amSYD - IAD
2 stops24h 42mQantas Airways
Deal found 1/21$1,020
This StudentUniverse deal was found by Cheapflights users on 1/20. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/296:58 pmDCA - SYD
2 stops26h 32mFiji Airways
Sat 4/52:45 pmSYD - DCA
2 stops23h 14mFiji Airways
Deal found 1/20$1,161
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/65:18 pmIAD - SYD
3 stops34h 27mAlaska Airlines
Sun 3/99:40 pmSYD - IAD
2 stops33h 38mAlaska Airlines
Deal found 1/21$1,218
This Fiji Airways deal was found by Cheapflights users on 1/21. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/45:36 pmIAD - SYD
2 stops38h 34mMultiple Airlines
Thu 9/186:15 amSYD - IAD
2 stops30h 15mMultiple Airlines
Deal found 1/21$1,221
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:30 pmIAD - SYD
1 stop23h 50mAir Canada
Mon 6/29:20 amSYD - IAD
2 stops36h 24mAir Canada
Deal found 1/21$1,223
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/29:40 amDCA - SYD
2 stops31h 40mAir Canada
Wed 6/119:20 amSYD - DCA
2 stops38h 59mAir Canada
Deal found 1/20$1,223

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

Customize 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 2,558,603 searches. Data last updated January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 3/1

8:00 am-7:25 am

1 stop31h 25m

Sydney Kingsford Smith

Fri 3/7

11:50 am-11:59 am

1 stop40h 09m

$860

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 3/1

6:12 am-6:35 am

1 stop32h 23m

Sydney Kingsford Smith

Fri 3/7

11:50 am-4:22 pm

1 stop20h 32m

$861

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 3/1

2:59 pm-6:35 am

1 stop23h 36m

Sydney Kingsford Smith

Fri 3/7

11:50 am-6:41 pm

1 stop22h 51m

$863

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 2/12

8:00 am-9:00 am

1 stop33h 00m

Sydney Kingsford Smith

Fri 2/21

11:50 am-8:50 pm

1 stop25h 00m

$867

BaltimoreSydney

BWI - SYD

BWISYD

Baltimore/Washington

Sun 2/9

5:45 am-12:30 pm

3 stops38h 45m

Sydney Kingsford Smith

Sat 2/15

2:30 pm-9:05 am

3 stops34h 35m

$951

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 2/22

5:13 pm-4:50 pm

2 stops31h 37m

Sydney Kingsford Smith

Mon 3/3

11:50 am-4:12 pm

1 stop20h 22m

$953

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 3/29

6:58 pm-12:30 pm

2 stops26h 32m

Sydney Kingsford Smith

Sat 4/5

2:45 pm-10:59 pm

2 stops23h 14m

$1,161

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Thu 3/6

5:18 pm-7:45 pm

3 stops34h 27m

Sydney Kingsford Smith

Sun 3/9

9:40 pm-4:18 pm

2 stops33h 38m

$1,218

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 6/18

9:55 am-7:20 am

2 stops31h 25m

Sydney Kingsford Smith

Wed 7/9

9:20 am-7:44 am

2 stops36h 24m

$1,223

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 6/2

9:40 am-7:20 am

2 stops31h 40m

Sydney Kingsford Smith

Wed 6/11

9:20 am-10:19 am

2 stops38h 59m

$1,223

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 57 results
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Sydney in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 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.-Sydney flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-Sydney flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Sydney flights, Cheapflights users trust AranGrant the most. AranGrant 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.-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 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 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.

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 round-trip flight from Washington, D.C. to Sydney. Price data was last updated on January 17, 2025.

Booking 88 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,051). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $1,643). 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 January 21, 2025.

It’s optimal to fly from Washington, D.C. to Sydney at noon. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Washington, D.C. to Sydney?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Sydney flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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 January 21, 2025.
To help decide which airline to fly from Washington, D.C. to Sydney, see what other customers have to say about British Airways, American Airlines and Alaska Airlines. 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.
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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.

8.8
Very good
62 reviews
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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
852 reviews
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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.

8.1
Very good
1,328 reviews
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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.

8.1
Very good
188 reviews
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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
8,521 reviews
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Comfort

8.1

Crew

9.1

Entertainment

7.3

Reviews

1 / 2

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.?

    Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Sydney. 8 airlines have flights to Kingsford Smith from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Sydney Kingsford Smith should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. per day.

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

    Currently priced at $860, British Airways will fly you from Washington, D.C. to Sydney and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Qantas Airways - these airlines can fly you to your destination from $861 and $867, respectively. British Airways 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 cheapest airlines for a one-way flight from Washington, D.C. to Sydney are Qantas Airways ($410), American Airlines ($415), and Fiji Airways ($584).

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

  • Where are the most common layover locations when flying from Washington, D.C. to Sydney?

  • What are some popular things to do or see while on a layover in Los Angeles?

    Hollywood Bowl, Hollywood Walk of Fame, and L.A. Live are the most popular attractions in Los Angeles if you're in need of something to do during your layover. Hollywood Bowl, Hollywood Walk of Fame and L.A. Live are located about 12.5 mi, 11.7 mi, and 10.8 mi, respectively from Los Angeles if you are interested in checking them out. Those landing in Los Angeles looking to spend some time exploring during their layover can rent a car for about $41 per day.

  • What are some popular points of interest to see during a layover in Dallas?

    If you're on a layover in Dallas and looking for things to do, consider visiting American Airlines Center, Dos Equis Pavilion, or Majestic Theatre. American Airlines Center, Dos Equis Pavilion, and Majestic Theatre can be accessed by traveling approximately 15.0 mi, 18.3 mi, and 16.1 mi, respectively from Dallas/Fort Worth. Travelers can rent a car at Dallas/Fort Worth for an average daily rate of $51 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. to Sydney flights?

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Washington, D.C. to Sydney (average of $1,051). Flying from Washington, D.C. to Sydney in December is currently the most expensive (average of $1,643). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Wollongong
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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 8 airlines flying from Washington, D.C. to Sydney

Discover the top 8 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 2,558,603 searches. Data last updated January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$221Average$426FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$771Average$1,145FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$833Average$1,685FlexibilityNo cancel feeOn-time74%
DeltaCheapest$848Average$1,162FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$855Average$1,282FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$990Average$1,612FlexibilityNo cancel feeOn-time69%
Air New ZealandCheapest$1,340Average$1,558FlexibilityNo cancel feeOn-time78%
ANACheapest$1,554Average$1,826FlexibilityNo cancel feeOn-time80%
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