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Cheap flights from District of Columbia to Sydney from $273

IAD — SYD
14 Oct — 21 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap 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

Thu 29/1017:35 -
1 stop24h 25m
Thu 5/1114:05 -
1 stop23h 09m
Deal found 14/9$273
Sat 24/1017:35 -
1 stop24h 25m
Sat 31/1013:05 -
1 stop23h 40m
Deal found 13/9$275
Mon 19/1006:00 -
3 stops39h 50m
Sun 25/1014:00 -
3 stops36h 34m
Deal found 11/9$1,542
Sun 22/1109:25 -
2 stops33h 10m
Wed 9/1211:50 -
2 stops26h 07m
Deal found 14/9$1,758
Wed 11/1112:35 -
2 stops28h 00m
Wed 18/1114:05 -
2 stops33h 07m
Deal found 11/9$1,760
Sun 8/1108:15 -
2 stops32h 20m
Wed 18/1109:55 -
2 stops28h 35m
Deal found 10/9$1,760
Sat 24/1022:18 -
2 stops43h 17m
Tue 10/1111:50 -
2 stops33h 29m
Deal found 14/9$1,772
Sat 7/1117:54 -
2 stops46h 41m
Sun 15/1111:50 -
2 stops33h 36m
Deal found 10/9$1,774
Tue 20/1011:00 -
2 stops30h 20m
Tue 27/1010:20 -
2 stops24h 38m
Deal found 11/9$1,774
Sat 5/1217:52 -
2 stops46h 43m
Sun 13/1211:50 -
2 stops28h 40m
Deal found 10/9$1,779
Sat 7/1117:49 -
2 stops48h 46m
Wed 18/1111:50 -
2 stops26h 40m
Deal found 10/9$1,779
Sun 22/1108:15 -
2 stops32h 20m
Mon 7/1219:25 -
2 stops49h 44m
Deal found 14/9$1,785

Find flight deals from District of Columbia to Sydney

Round-trip from

$275

Popular in

December

Cheapest in

April

Average price

$2,025
Qantas Airways
  • Qantas Airways
  • 24/10-31/10
  • 2 total stops
  • 48h 05m total
  • District of Columbia to Sydney
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Highest demand for flights based on searches. 4% potential increase in price ($136 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease ($55 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 23/2

06:10-09:35

2 stops35h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,106

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Wed 10/3

06:10-09:35

2 stops35h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,106

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sun 8/11

22:01-09:35

2 stops43h 34m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,123

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sun 8/11

06:00-09:50

2 stops35h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,156

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sat 20/2

17:50-20:50

2 stops35h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,190

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sat 28/11

08:43-13:00

2 stops36h 17m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,190
Fastest return journey

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Sat 20/2

09:30-06:25

1 stop28h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,198

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Sun 10/1

13:30-19:25

2 stops37h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,203

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - SYD Sydney Kingsford Smith

IADSYD

Washington, D.C. Dulles Intl

Tue 5/1

13:30-19:25

2 stops37h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,203

Washington, D.C.Sydney

DCA Washington, D.C. Reagan-National - SYD Sydney Kingsford Smith

DCASYD

Washington, D.C. Reagan-National

Wed 10/3

09:30-06:25

1 stop28h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,219

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 36 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $1,878). Flying from District of Columbia to Sydney in December is currently the most expensive (average of $2,742). 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.

How much does it cost for a return flight from District of Columbia to Sydney?

Airfare is below average for this route at the moment.
District of Columbia to Sydney flights typically cost between $1,758 and $2,517 in October.
The cheapest return price found within the last 5 days was $1,542 on Multiple Airlines (19 Oct–25 Oct).

How far ahead should I book a flight from District of Columbia to Sydney?

The best time to book flights from District of Columbia to Sydney is 8 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Related info for your journey

  • 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 27h 16m. Fly via Delta or United Airlines to get the fastest option. District of Columbia and Sydney are separated by a distance of 15670 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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, February is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $1,878). Flying from District of Columbia to Sydney in December is currently the most expensive (average of $2,742). 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
Penrith
Manly
Katoomba
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

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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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