The cheapest times to fly from FCO to IAD are

  • January 8th to April 1st
  • September 10th 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 FCO to IAD is mid to late November. Prices can be as high as $1205 for Saturday flights during early to mid July, or as low as $547 for Tuesday flights around mid to late November.


When to Fly to Washington

Flying from Rome (FCO) to Washington, DC (IAD) will usually cost between $601 to $1138 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late November with an average ticket price of $603. Due to high demand the most expensive time to fly is early to mid July, with an average price of $1168. Planning your trip to low-cost times can easily save you $565 on economy flights and even more on first-class flights. Generally, any price below $685 can be considered a good price for a round-trip FCO to IAD flight.

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

FCO to IAD Flight Prices

Compared to other flights, the FCO to IAD flight is cheaper than the average and costs about as much as the average flight leaving from Rome. The average price per mile (for a direct flight) is $0.09, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to IAD, and Monday the cheapest day to fly back into FCO. Saturdays 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 (13%) 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 $715. Return trip prices are from the IAD to FCO 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 FCO to IAD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 9 hour 4 minutes may be realistic.


Flight Hacking FCO 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 FCO to IAD — but Champion Traveler does!

Hack #1: Copenhagen (FCO > CPH > IAD)

  • Price for both tickets: $518
  • Average savings: $167 (24.38%)

See FCO to OSL flights

Hack #2: Oslo (FCO > OSL > IAD)

  • Price for both tickets: $531
  • Average savings: $154 (22.48%)

See FCO to CPH flights

Hack #3: Stockholm (FCO > ARN > IAD)

  • Price for both tickets: $572
  • Average savings: $114 (16.57%)

See FCO to ARN flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 26 major airlines flying this route most often: Aer Lingus, Aeroflot, Air Canada, Air Europa, Air France, Air India, Alitalia, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, KLM, LOT, Lufthansa, Royal Air Maroc, SAS, SWISS, TACV, Tap Air Portugal, Turkish Airlines, United, Virgin Atlantic, and potentially more during busy seasons.

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

The distance between the two airports is roughly 4493 miles or 7231 kilometers.

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

The real-world flight time for a nonstop FCO to IAD flight is about 9 hour 4 minutes.

How many flights go between Rome and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 65 available flights from FCO to IAD.


Airport Location Info


Departing Airport

Origination code FCO
Origination airport name Fiumicino Airport
City Rome
Country Italy
Latitude 41.8
Longitude 12.3

Return Airport

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


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.