The cheapest times to fly from SYD to IAD are
- January 22nd to March 25th
- July 23rd to December 2nd (except the weeks of September 24th and October 1st)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SYD to IAD is early September. Prices can be as high as $2239 for Saturday flights during early January, or as low as $905 for Tuesday flights around early September.
When to Fly to Washington
Flying from Sydney (SYD) to Washington, DC (IAD) will usually cost between $919 to $1679 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $919. Due to high demand the most expensive time to fly is early January, with an average price of $2070. Planning your trip to low-cost times can easily save you $1151 on economy flights and even more on first-class flights. Generally, any price below $1090 can be considered a good price for a round-trip SYD to IAD flight.
See below for a graph of average weekly prices for the SYD to IAD route. All prices are for round-trip tickets in USD.
Compared to other flights, the SYD to IAD flight is priced close to the average and costs about as much as the average flight leaving from Sydney. The average price per mile (for a direct flight) is $0.07, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly to Washington, and Fridays are the most expensive days to return to Sydney. Selecting flights on the least expensive days could save you up to $118 (8%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1101. Return trip prices are from the IAD to SYD flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SYD to IAD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 31 minutes may not be realistic.
Alternative Nearby Airports
Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from SYD to IAD while comparing.
- 100 miles (161 km) away from IAD
- Usually 8.26% less expensive than IAD
- 1-layover flights available
Flight Hacking SYD to IAD
Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SYD to IAD — but Champion Traveler does!
- Price for both tickets: $994
- Average savings: $96 (8.81%)
Flight Questions Answered
Still have questions about flying from SYD to IAD? We’ve got answers.
Which airlines fly this route?
You can find 20 major airlines flying this route most often: Air Canada, Air China, Air India, Air New Zealand, Air Tahiti Nui, Alaska, American, ANA, Asiana, Avianca, Cathay Pacific, Delta, Emirates, Fiji Airways, Hawaiian, JAL, Korean Air, Qantas, United, Virgin Australia, and potentially more during busy seasons.
How far away is it from Washington Dulles International Airport to Sydney International Airport?
The distance between the two airports is roughly 9742 miles or 15678 kilometers.
How long does it take to fly from SYD to IAD?
The real-world flight time for a nonstop SYD to IAD flight is about 18 hour 31 minutes.
How many flights go between Sydney and Washington, DC?
It depends on the day of the week and the date, but a typical day might have around 71 available flights from SYD to IAD.
Airport Location Info
|Origination airport name||Sydney International Airport|
|Destination airport name||Washington Dulles International Airport|
|Country||the United States|
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.