The cheapest times to fly from IAD to RMA are

  • January 15th to March 25th
  • April 9th to June 3rd
  • November 5th to November 18th

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 RMA is late January and early February. Prices can be as high as $6289 for Thursday flights during early to mid August, or as low as $2059 for Tuesday flights around late January and early February.


When to Fly to Roma

Flying from Washington, DC (IAD) to Roma (RMA) will usually cost between $2060 to $3604 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $2087. Due to high demand the most expensive time to fly is early to mid August, with an average price of $6289. Planning your trip to low-cost times can easily save you $4202 on economy flights and even more on first-class flights. Generally, any price below $2396 can be considered a good price for a round-trip IAD to RMA flight.

See below for a graph of average weekly prices for the IAD to RMA route. All prices are for round-trip tickets in USD.

IAD to RMA Flight Prices

Compared to other flights, the IAD to RMA flight is more expensive than the average and costs more than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to RMA, and Wednesday the cheapest day to fly back into IAD. Thursdays are the most expensive days to fly to Roma, and Fridays are the most expensive days to return to Washington. Selecting flights on the least expensive days could save you up to $315 (12%) 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 $2314. Return trip prices are from the RMA to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to RMA can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 18 hour 21 minutes may not be realistic.


Flight Hacking IAD to RMA

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 IAD to RMA — but Champion Traveler does!

Hack #1: Brisbane (IAD > BNE > RMA)

  • Price for both tickets: $1641
  • Average savings: $756 (31.53%)

See IAD to BNE flights

Hack #2: New York, NY (IAD > JFK > RMA)

  • Price for both tickets: $2093
  • Average savings: $304 (12.67%)

See IAD to JFK flights

Hack #3: San Jose, CA (IAD > SJC > RMA)

  • Price for both tickets: $2212
  • Average savings: $185 (7.7%)

See IAD to SJC flights


Flight Questions Answered

Still have questions about flying from IAD to RMA? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Air New Zealand, Qantas, and potentially more during busy seasons.

How far away is it from Roma Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 9647 miles or 15525 kilometers.

How long does it take to fly from IAD to RMA?

The real-world flight time for a nonstop IAD to RMA flight is about 18 hour 21 minutes.

How many flights go between Washington, DC and Roma?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from IAD to RMA.


Airport Location Info


Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code RMA
Destination airport name Roma Airport
City Roma
Country Australia
Latitude -26.5
Longitude 148.8


Other Resources

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.