Cheap flights from District of Columbia to Sydney from $768
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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
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 4 September 2025.
Find flight deals from District of Columbia to Sydney
Cheapest flights from District of Columbia to SydneyExplore 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 4 September 2025.
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 4 September 2025.
Cheapflights Fare Finder
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
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Fri 24/10
06:15-08:05
2 stops34h 50m
Sydney Kingsford Smith
Fri 31/10
13:05-23:29
2 stops25h 24m
Washington, D.C.Sydney
DCA - SYD
DCASYD
Washington, D.C. Reagan-National
Sat 21/2
17:10-12:30
2 stops27h 20m
Sydney Kingsford Smith
Tue 3/3
14:10-20:57
2 stops22h 47m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sat 7/2
17:15-21:50
2 stops36h 35m
Sydney Kingsford Smith
Sat 21/2
14:10-22:12
2 stops24h 02m
Washington, D.C.Sydney
DCA - SYD
DCASYD
Washington, D.C. Reagan-National
Tue 24/2
17:10-12:30
2 stops27h 20m
Sydney Kingsford Smith
Tue 3/3
06:00-20:57
2 stops30h 57m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Sat 21/2
11:30-12:30
2 stops33h 00m
Sydney Kingsford Smith
Sat 7/3
06:00-22:12
2 stops32h 12m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Tue 17/2
17:15-12:30
2 stops27h 15m
Sydney Kingsford Smith
Tue 26/5
13:15-22:27
2 stops23h 12m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Thu 16/10
06:25-08:05
2 stops34h 40m
Sydney Kingsford Smith
Thu 23/10
10:10-00:23
2 stops29h 13m
Washington, D.C.Sydney
DCA - SYD
DCASYD
Washington, D.C. Reagan-National
Sat 1/11
19:02-12:30
2 stops26h 28m
Sydney Kingsford Smith
Sat 8/11
14:30-20:59
2 stops22h 29m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Tue 21/10
17:37-12:45
2 stops28h 08m
Sydney Kingsford Smith
Thu 13/11
14:00-22:18
2 stops24h 18m
Washington, D.C.Sydney
IAD - SYD
IADSYD
Washington, D.C. Dulles Intl
Tue 28/10
17:37-12:45
2 stops28h 08m
Sydney Kingsford Smith
Thu 6/11
06:00-22:18
2 stops32h 18m
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.
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, May is the cheapest month in which you can book a flight from District of Columbia to Sydney (average of $129). Flying from District of Columbia to Sydney in October is currently the most expensive (average of $171). 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 4 September 2025.
When flying from District of Columbia to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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.
Travelling to a place near Sydney?
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Alternative routes for District of Columbia to Sydney
See prices for flight routes from nearby airports that may be better suited for you.
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 4 September 2025.
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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.