The cheapest times to fly from IAD to YQY are
- January 1st to March 4th (except the week of February 19th)
- August 13th to December 9th
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 IAD to YQY is early to mid September. Prices can be as high as $973 for Sunday flights during mid December, or as low as $404 for Tuesday flights around early to mid September.
When to Fly to Sydney
Flying from Washington, DC (IAD) to Sydney (YQY) will usually cost between $406 to $809 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid September with an average ticket price of $404. Due to high demand the most expensive time to fly is mid December, with an average price of $826. Planning your trip to low-cost times can easily save you $421 on economy flights and even more on first-class flights. Generally, any price below $616 can be considered a good price for a round-trip IAD to YQY flight.
See below for a graph of average weekly prices for the IAD to YQY route. All prices are for round-trip tickets in USD.
Compared to other flights, the IAD to YQY flight is cheaper than the average and costs less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.38, which is a bit above average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to fly to YQY, and Wednesday the cheapest day to fly back into IAD. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $109 (16%) 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 $559. Return trip prices are from the YQY to IAD 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 IAD to YQY can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 2 hour 48 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 IAD to YQY while comparing.
- 147 miles (237 km) away from YQY
- Usually 10.96% less expensive than YQY
- 1-layover flights available
Flight Questions Answered
Still have questions about flying from IAD to YQY? We’ve got answers.
Which airlines fly this route?
You can find 5 major airlines flying this route most often: Air Canada, Avianca, Delta, United, WestJet, and potentially more during busy seasons.
How far away is it from Sydney Airport to Washington Dulles International Airport?
The distance between the two airports is roughly 1013 miles or 1630 kilometers.
How long does it take to fly from IAD to YQY?
The real-world flight time for a nonstop IAD to YQY flight is about 2 hour 48 minutes.
How many flights go between Washington, DC and Sydney?
It depends on the day of the week and the date, but a typical day might have around 20 available flights from IAD to YQY.
Airport Location Info
|Origination airport name||Washington Dulles International Airport|
|Country||the United States|
|Destination airport name||Sydney Airport|
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.