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Cheap flights from District of Columbia to Sydney from $679

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 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SYD
8 Apr — 15 Apr1
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
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 9 March 2026.

Wed 22/417:37
IAD
-
SYD
2 stops27h 03m
Air New Zealand
Wed 29/411:55
SYD
-
IAD
2 stops24h 49m
Air New Zealand
Deal found 8/3$1,726
Wed 22/414:33
DCA
-
SYD
2 stops28h 12m
Air New Zealand
Wed 29/411:55
SYD
-
DCA
2 stops24h 20m
Air New Zealand
Deal found 8/3$1,726
Mon 27/417:37
IAD
-
SYD
2 stops25h 08m
Air New Zealand
Mon 11/511:55
SYD
-
IAD
2 stops24h 54m
Air New Zealand
Deal found 8/3$1,736
Mon 27/416:34
DCA
-
SYD
2 stops26h 11m
Air New Zealand
Mon 11/509:55
SYD
-
DCA
2 stops28h 03m
Air New Zealand
Deal found 8/3$1,760
Mon 4/517:55
IAD
-
SYD
2 stops26h 45m
Air New Zealand
Mon 25/511:55
SYD
-
IAD
2 stops27h 00m
Air New Zealand
Deal found 5/3$1,762
Wed 3/617:59
DCA
-
SYD
2 stops24h 46m
Air New Zealand
Wed 10/611:55
SYD
-
DCA
2 stops24h 20m
Air New Zealand
Deal found 5/3$1,762
Tue 16/617:55
IAD
-
SYD
2 stops24h 50m
Air New Zealand
Tue 21/709:55
SYD
-
IAD
2 stops29h 00m
Air New Zealand
Deal found 5/3$1,763
Sun 26/707:00
IAD
-
SYD
2 stops35h 45m
Air New Zealand
Sun 23/809:55
SYD
-
IAD
2 stops29h 22m
Air New Zealand
Deal found 5/3$1,764
Wed 26/818:00
DCA
-
SYD
2 stops24h 45m
Air New Zealand
Wed 2/911:55
SYD
-
DCA
2 stops24h 13m
Air New Zealand
Deal found 6/3$1,764
Wed 26/817:59
IAD
-
SYD
2 stops24h 46m
Air New Zealand
Tue 8/911:55
SYD
-
IAD
2 stops26h 45m
Air New Zealand
Deal found 5/3$1,766
Sun 5/408:30
IAD
-
SYD
2 stops34h 15m
Air New Zealand
Mon 27/411:55
SYD
-
IAD
2 stops26h 04m
Air New Zealand
Deal found 5/3$1,774
Sat 2/522:20
IAD
-
SYD
2 stops46h 20m
Air New Zealand
Tue 12/511:55
SYD
-
IAD
2 stops32h 05m
Air New Zealand
Deal found 6/3$1,776

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 9 March 2026.

Round-trip from

$1,726

One-way from

$679

Popular in

December

Cheapest in

August

Average price

$2,233
Air New Zealand
  • Air New Zealand
  • 22/4-29/4
  • 4 total stops
  • 51h 52m total
  • District of Columbia to Sydney
Search Deals
14/4
  • 14/4
  • 3 total stops
  • 37h 50m total
  • District of Columbia to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 9 March 2026.
Use the filters below to find and compare flights from District of Columbia to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 28/4

07:10-18:50

2 stops45h 40m

Sydney Kingsford Smith

Tue 5/5

20:45-00:09

2 stops41h 24m

$2,025

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Fri 21/8

13:00-08:45

3 stops29h 45m

Sydney Kingsford Smith

Fri 28/8

09:55-22:08

2 stops26h 13m

$2,033

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Sat 22/8

11:30-08:45

3 stops31h 15m

Sydney Kingsford Smith

Thu 3/9

11:55-22:08

2 stops24h 13m

$2,035

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 12/8

18:14-18:50

2 stops34h 36m

Sydney Kingsford Smith

Tue 18/8

20:45-16:26

3 stops33h 41m

$2,272

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Sun 26/7

12:40-06:55

1 stop28h 15m

Sydney Kingsford Smith

Sun 23/8

10:20-19:04

1 stop22h 44m

$2,288

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Wed 1/4

17:55-08:00

1 stop23h 05m

Sydney Kingsford Smith

Tue 28/4

10:20-16:25

1 stop20h 05m

$2,288

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 27/4

17:59-06:55

1 stop22h 56m

Sydney Kingsford Smith

Fri 8/5

12:00-23:26

1 stop25h 26m

$2,358

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Tue 7/7

14:51-06:55

1 stop26h 04m

Sydney Kingsford Smith

Thu 23/7

10:20-22:19

1 stop25h 59m

$2,359

Washington, D.C.Sydney

DCA - SYD

DCASYD

Washington, D.C. Reagan-National

Wed 27/5

16:50-06:50

1 stop24h 00m

Sydney Kingsford Smith

Sat 6/6

09:15-15:40

1 stop20h 25m

$2,361

Washington, D.C.Sydney

IAD - SYD

IADSYD

Washington, D.C. Dulles Intl

Mon 6/4

16:10-06:55

1 stop24h 45m

Sydney Kingsford Smith

Thu 16/4

09:30-21:15

1 stop25h 45m

$2,361

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Showing 1-10 of 44 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
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 $188). Flying from District of Columbia to Sydney in March is currently the most expensive (average of $1,217). 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?

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 22h 56m. Fly via United Airlines, Qantas Airways, or Delta 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, August is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $188). Flying from District of Columbia to Sydney in March is currently the most expensive (average of $1,217). 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
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

Browse thousands of different options on Cheapflights for your next trip

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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 9 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,845Average$2,466FlexibilityNo 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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