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Cheap flights from District of Columbia to Sydney from $844

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 17/2. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 5 November 2025.

Round-trip from

$1,623

One-way from

$844

Popular in

December

Cheapest in

August

Average price

$1,994
Air Canada
  • Air Canada
  • 9/3-18/3
  • 4 total stops
  • 66h 15m total
  • District of Columbia to Sydney
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Fiji Airways
  • Fiji Airways
  • 17/2
  • 2 total stops
  • 27h 35m total
  • District of Columbia to Sydney
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($822 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($124 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from District of Columbia to Sydney

Enter your travel dates to find the best prices.

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 5 November 2025.

Thu 4/1213:20IAD - SYD
2 stops28h 15mAir Canada
Thu 11/1216:00SYD - IAD
2 stops35h 39mAir Canada
Deal found 4/11$1,785
Sat 8/1122:11IAD - SYD
2 stops43h 24mAir Canada
Sun 16/1111:20SYD - IAD
2 stops45h 07mAir Canada
Deal found 4/11$1,788
Sun 16/1113:20IAD - SYD
2 stops28h 15mAir Canada
Tue 2/1211:20SYD - IAD
2 stops25h 39mAir Canada
Deal found 4/11$1,802
Sun 16/1106:00IAD - SYD
2 stops33h 25mMultiple Airlines
Tue 2/1211:20SYD - IAD
2 stops43h 09mMultiple Airlines
Deal found 4/11$1,812
Sun 16/1109:40DCA - SYD
2 stops31h 55mAir Canada
Tue 2/1211:20SYD - DCA
2 stops27h 15mAir Canada
Deal found 4/11$1,820
Sat 22/1120:40DCA - SYD
2 stops44h 55mAir Canada
Tue 2/1211:20SYD - DCA
2 stops40h 59mAir Canada
Deal found 2/11$1,854
Mon 1/1206:55IAD - SYD
2 stops34h 05mMultiple Airlines
Wed 17/1217:45SYD - IAD
2 stops33h 53mMultiple Airlines
Deal found 4/11$1,863
Sun 16/1108:35DCA - SYD
1 stop32h 25mAmerican Airlines
Tue 2/1211:20SYD - DCA
2 stops24h 30mAmerican Airlines
Deal found 4/11$1,901
Sun 9/1113:58IAD - SYD
2 stops27h 02mAmerican Airlines
Sun 23/1114:05SYD - IAD
1 stop42h 06mAmerican Airlines
Deal found 4/11$1,903
Sat 8/1118:50DCA - SYD
2 stops46h 45mAir Canada
Sun 16/1111:20SYD - DCA
2 stops39h 06mAir Canada
Deal found 4/11$1,908
Sun 9/1116:59DCA - SYD
1 stop24h 01mMultiple Airlines
Sun 23/1114:05SYD - DCA
1 stop20h 37mMultiple Airlines
Deal found 3/11$1,909
Tue 11/1116:59DCA - SYD
1 stop24h 01mAmerican Airlines
Wed 10/1211:20SYD - DCA
1 stop25h 24mAmerican Airlines
Deal found 4/11$1,917

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 5 November 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

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 16/11

17:59-09:15

1 stop23h 16m

Sydney Kingsford Smith

Tue 2/12

11:50-15:58

1 stop20h 08m

$1,928

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 8/2

16:11-09:05

2 stops24h 54m

Sydney Kingsford Smith

Wed 11/2

11:20-16:22

1 stop21h 02m

$1,943

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 28/4

17:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Sun 3/5

09:30-18:40

1 stop23h 10m

$1,943

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 24/2

16:10-09:15

1 stop25h 05m

Sydney Kingsford Smith

Tue 24/3

14:00-00:25

1 stop25h 25m

$1,943

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 1/4

10:05-07:55

1 stop30h 50m

Sydney Kingsford Smith

Tue 28/4

10:20-19:07

1 stop22h 47m

$1,943

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 24/11

12:00-09:05

2 stops29h 05m

Sydney Kingsford Smith

Tue 2/12

11:50-20:56

1 stop25h 06m

$1,943

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Mon 24/11

16:34-07:00

1 stop22h 26m

Sydney Kingsford Smith

Mon 1/12

11:50-10:53

2 stops39h 03m

$1,951

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 23/11

16:34-07:00

1 stop22h 26m

Sydney Kingsford Smith

Mon 1/12

11:50-10:53

2 stops39h 03m

$1,951

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Thu 12/2

16:59-09:00

1 stop24h 01m

Sydney Kingsford Smith

Tue 3/3

14:05-19:46

1 stop21h 41m

$1,994

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sun 19/4

13:00-06:55

2 stops27h 55m

Sydney Kingsford Smith

Thu 23/4

10:20-16:56

1 stop20h 36m

$2,018

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 41 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 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 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 $211). Flying from District of Columbia to Sydney in October is currently the most expensive (average of $1,290). 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 5 November 2025.

It’s optimal to fly from District of Columbia to Sydney in the afternoon. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at midday.

How much does it cost for a return flight 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?

    Sydney Kingsford Smith (SYD), located 7.5 km from the city centre, is the airport you fly into when you book flights from District of Columbia to Sydney.

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

    There are many flights that can get you from District of Columbia to Sydney in 23h 16m. Fly via United Airlines to get the fastest option. District of Columbia and Sydney are separated by a distance of 15704 km.

  • 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 holiday 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 $211). Flying from District of Columbia to Sydney in October is currently the most expensive (average of $1,290). 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 Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla

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Top airline flying from District of Columbia to Sydney

Discover the top airline 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 647,157 searches. Data last updated 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,229Average$2,664FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from District of Columbia to Sydney?

Cheapflights helps you search for flights from District of Columbia to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from District of Columbia to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from District of Columbia to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from District of Columbia to Sydney, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from District of Columbia to Sydney become cheaper?

Yes, Cheapflights offers price alerts on District of Columbia to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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