Expect long security queues at IAD during afternoon and evening hours. Plan to arrive early to navigate check-in and security smoothly.
Round-trip from | $506 (oojo) |
---|---|
One-way from | $217 (SmartFares) |
Popular in | December |
Cheapest in | February |
Average price | $788 |
Good round-trip deal | $675 or less |
Good one-way deal | $299 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 11/5
6:20 pm-12:25 pm
1 stop12h 05m
Rome Fiumicino
Tue 11/11
12:20 pm-7:55 pm
1 stop13h 35m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 11/5
6:20 pm-9:55 pm
1 stop21h 35m
Rome Fiumicino
Thu 11/13
7:40 am-3:35 pm
1 stop13h 55m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 11/2
6:20 pm-2:30 pm
1 stop14h 10m
Rome Fiumicino
Wed 11/12
7:50 am-3:35 pm
1 stop13h 45m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 10/2
8:30 pm-2:35 pm
1 stop12h 05m
Rome Fiumicino
Wed 10/8
3:45 pm-10:10 pm
1 stop12h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 11/17
6:00 pm-6:10 pm
1 stop18h 10m
Rome Fiumicino
Mon 12/1
6:40 pm-3:35 pm
2 stops26h 55m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 11/4
6:00 pm-3:30 pm
1 stop15h 30m
Rome Fiumicino
Tue 12/2
6:40 pm-3:35 pm
2 stops26h 55m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 10/7
10:05 pm-6:45 pm
1 stop14h 40m
Rome Fiumicino
Sat 10/25
11:55 am-7:59 pm
1 stop14h 04m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 10/19
10:05 pm-6:45 pm
1 stop14h 40m
Rome Fiumicino
Sat 10/25
11:55 am-7:59 pm
1 stop14h 04m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 11/6
8:30 pm-11:05 am
1 stop32h 35m
Rome Fiumicino
Tue 11/11
11:55 am-5:15 pm
1 stop35h 20m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 10/1
10:05 pm-3:25 pm
1 stop11h 20m
Rome Fiumicino
Tue 10/7
11:55 am-7:59 pm
1 stop14h 04m
Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Rome. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Rome (average of $644). Flying from Washington, D.C. Dulles Intl Airport to Rome in June is currently the most expensive (average of $1,136). 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.
It’s typically best to fly out from Washington, D.C. Dulles Intl Airport to Rome at noon. Doing so could potentially save you 48% on the flight price compared to flying in the evening, which is usually more expensive.
The most flights from IAD to ROM are scheduled on a Tuesday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).
Copenhagen (CPH) – chosen by Cheapflights users on 47% of 1-stop itineraries from Washington, D.C. Dulles Intl Airport to Rome on Cheapflights.
Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $456.
Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 11h 15m.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 25m.
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Entertainment
Food
Overall
Boarding
Crew
Comfort
Reviews
Anonymous,Jul 2025
OSL - CPH
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$383 | Average$621 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$420 | Average$756 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$449 | Average$591 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$475 | Average$505 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$481 | Average$929 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$481 | Average$737 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$483 | Average$825 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$508 | Average$768 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$526 | Average$681 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$550 | Average$635 | FlexibilityNo cancel fee | On-time77% |