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$535+ Cheap flights from District of Columbia 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap flight deals from District of Columbia to Sydney

Cheapest flights from District of Columbia to Sydney
Explore the most affordable flight options available from District of Columbia to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 12/314:50 pmDCA - SYD
1 stop24h 10mAmerican Airlines
Tue 1/611:20 amSYD - DCA
1 stop20h 16mAmerican Airlines
Deal found 12/20$1,402
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:12 amIAD - SYD
2 stops28h 58mAmerican Airlines
Sun 2/1511:20 amSYD - IAD
2 stops28h 39mAmerican Airlines
Deal found 12/19$1,407
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:35 amIAD - SYD
2 stops31h 35mAmerican Airlines
Wed 2/1111:20 amSYD - IAD
2 stops25h 57mAmerican Airlines
Deal found 12/19$1,427
This oojo deal was found by Cheapflights users on 12/20. 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.
Thu 12/254:50 pmDCA - SYD
1 stop24h 10mQantas Airways
Wed 1/2111:20 amSYD - DCA
1 stop24h 40mQantas Airways
Deal found 12/20$1,525
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/258:35 amDCA - SYD
1 stop30h 50mAmerican Airlines
Thu 1/1511:20 amSYD - DCA
1 stop20h 16mAmerican Airlines
Deal found 12/20$1,552
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/251:57 pmIAD - SYD
2 stops27h 03mAmerican Airlines
Sat 1/1711:20 amSYD - IAD
2 stops28h 22mAmerican Airlines
Deal found 12/19$1,556
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Thu 12/252:54 pmDCA - SYD
2 stops26h 06mAmerican Airlines
Wed 1/2111:20 amSYD - DCA
2 stops23h 21mAmerican Airlines
Deal found 12/20$1,556
This Ovago deal was found by Cheapflights users on 12/20. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/241:07 pmDCA - SYD
2 stops26h 18mQantas Airways
Fri 12/269:25 pmSYD - DCA
2 stops29h 29mQantas Airways
Deal found 12/20$1,621
This Air Canada deal was found by Cheapflights users on 12/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmIAD - SYD
2 stops28h 20mAir Canada
Wed 2/1111:20 amSYD - IAD
3 stops40h 09mAir Canada
Deal found 12/19$1,723
This FlightHub deal was found by Cheapflights users on 12/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:15 pmIAD - SYD
2 stops28h 20mAir Canada
Sun 2/1511:20 amSYD - IAD
1 stop26h 01mAir Canada
Deal found 12/19$1,725
This Air Canada deal was found by Cheapflights users on 12/20. 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 12/299:45 amIAD - SYD
2 stops31h 50mAir Canada
Fri 3/2710:20 amSYD - IAD
2 stops25h 34mAir Canada
Deal found 12/20$1,759
This oojo deal was found by Cheapflights users on 12/20. 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.
Thu 12/254:50 pmDCA - SYD
1 stop24h 10mQantas Airways
Sun 1/182:05 pmSYD - DCA
1 stop24h 55mQantas Airways
Deal found 12/20$1,764

Find flight deals from District of Columbia to Sydney

Keep the following information in mind while searching for District of Columbia to Sydney flight deals. Data was last updated December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$949
(oojo)

One-way from

$535
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,663
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney Kingsford Smith flights.
Search Deals
From District of Columbia to Sydney Kingsford Smith
Search Deals
One-way flight from District of Columbia to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($225 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 December 21, 2025.
Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

Fly from

District of Columbia

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-7:45 pm

2 stops33h 41m

Sydney Kingsford Smith

Tue 1/27

9:40 pm-4:26 pm

2 stops34h 46m

$1,377

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 1/12

5:26 pm-7:45 pm

3 stops34h 19m

Sydney Kingsford Smith

Fri 1/23

9:40 pm-4:26 pm

2 stops34h 46m

$1,382

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 3/31

9:55 am-8:20 am

3 stops31h 25m

Sydney Kingsford Smith

Sun 4/19

9:20 am-8:29 pm

2 stops25h 09m

$1,387

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 1/12

9:59 am-7:45 pm

2 stops41h 46m

Sydney Kingsford Smith

Fri 5/1

8:45 pm-8:01 pm

2 stops37h 16m

$1,410

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 2/3

6:04 pm-7:45 pm

2 stops33h 41m

Sydney Kingsford Smith

Thu 2/19

9:40 pm-5:20 pm

2 stops35h 40m

$1,414

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-7:45 pm

2 stops33h 41m

Sydney Kingsford Smith

Thu 4/30

8:45 pm-11:52 pm

2 stops41h 07m

$1,423

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-7:45 pm

2 stops33h 41m

Sydney Kingsford Smith

Sun 5/3

8:45 pm-11:52 pm

2 stops41h 07m

$1,423

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 1/20

6:56 pm-7:45 pm

2 stops32h 49m

Sydney Kingsford Smith

Tue 6/9

8:45 pm-5:59 pm

2 stops35h 14m

$1,433

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 1/18

6:04 pm-7:45 pm

2 stops33h 41m

Sydney Kingsford Smith

Sat 1/24

9:40 pm-5:04 pm

3 stops35h 24m

$1,437

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Tue 1/13

9:59 am-7:45 pm

2 stops41h 46m

Sydney Kingsford Smith

Sun 5/3

8:45 pm-8:01 pm

2 stops37h 16m

$1,437

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 40 results
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Best time to book a flight from District of Columbia to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from District of Columbia 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 District of Columbia to Sydney

What is the cheapest month to book a flight from District of Columbia to Sydney?

Currently, August is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $137). Flying from District of Columbia to Sydney in May is currently the most expensive (average of $835). 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 DC to SYD?

Find hourly flight availability from District of Columbia 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 December 21, 2025.

It’s optimal to fly from District of Columbia to Sydney at noon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from District of Columbia to Sydney?

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

Travelers seeking maximum savings on their District of Columbia to Sydney flight should consider departing on Tuesday 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.

How much does it cost to fly round-trip from District of Columbia to Sydney?

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

  • How long is the flight from District of Columbia to Sydney?

    Airlines like Air Canada and Qantas Airways fly from District of Columbia to Sydney in about 31h 25m. The time it takes to get you to your destination can typically vary by up to 55m. The distance from District of Columbia to Sydney is about 9737 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from District of Columbia to Sydney one-way?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $385. American Airlines flights start at $395 while deals on Fiji Airways start at $549 one-way.

  • Can I find deals for flights from District of Columbia to Sydney that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Sydney?

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

  • Can I find deals for business class flights from District of Columbia to Sydney?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Sydney?

    Currently, August is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $137). Flying from District of Columbia to Sydney in May is currently the most expensive (average of $835). 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
Manly
Coogee

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Top 7 airlines flying from District of Columbia to Sydney

Discover the top 7 airlines that operate flights from District of Columbia 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$276Average$900FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$346Average$1,457FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$787Average$1,266FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$829Average$1,080FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$854Average$1,260FlexibilityNo cancel feeOn-time67%
Air New ZealandCheapest$1,289Average$1,874FlexibilityNo cancel feeOn-time78%
ANACheapest$1,370Average$1,392FlexibilityNo cancel feeOn-time80%

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