Expect long security queues at IAD during afternoon and evening hours. Plan to arrive early to navigate check-in and security smoothly.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $478 (Scandinavian Airlines) |
One-way from | $219 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $732 |
Good round-trip deal | $784 or less |
Good one-way deal | $581 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 4/26
8:20 pm-7:20 pm
2 stops17h 00m
Rome Fiumicino
Wed 4/29
7:25 pm-4:50 pm
1 stop27h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 1/14
8:45 pm-4:10 pm
1 stop13h 25m
Rome Fiumicino
Sat 1/24
5:10 pm-6:45 pm
1 stop31h 35m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Sat 1/10
7:40 pm-8:55 pm
2 stops19h 15m
Rome Ciampino
Sat 1/17
6:05 am-6:30 pm
2 stops18h 25m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Wed 1/14
7:40 pm-8:35 pm
2 stops18h 55m
Rome Ciampino
Wed 1/21
6:40 am-6:30 pm
2 stops17h 50m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Mon 1/26
7:40 pm-8:30 pm
2 stops18h 50m
Rome Ciampino
Fri 1/30
6:10 am-6:30 pm
2 stops18h 20m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Sun 3/1
7:40 pm-3:45 pm
2 stops14h 05m
Rome Ciampino
Sat 3/7
6:00 am-6:30 pm
2 stops18h 30m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 3/30
1:19 pm-6:35 pm
2 stops23h 16m
Rome Fiumicino
Fri 4/3
12:15 pm-4:50 pm
2 stops34h 35m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Thu 1/15
1:30 pm-3:25 pm
2 stops19h 55m
Rome Ciampino
Wed 1/28
4:40 pm-11:45 am
2 stops25h 05m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Tue 1/13
6:00 pm-3:30 pm
2 stops15h 30m
Rome Ciampino
Tue 1/20
6:00 am-4:40 pm
2 stops16h 40m
Washington, D.C.Rome
IAD - CIA
IADCIA
Washington, D.C. Dulles Intl
Wed 3/25
1:19 pm-9:00 pm
3 stops26h 41m
Rome Ciampino
Tue 4/7
4:25 pm-4:50 pm
2 stops30h 25m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
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, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Rome (average of $410). Flying from Washington, D.C. Dulles Intl Airport to Rome in January is currently the most expensive (average of $578). 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 32% 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 Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).
About 33% of weekly flights between Washington, D.C. and Rome have experienced delays in the past year, with the average delay time being 166 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 31% of flights being delayed.
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Anonymous,May 2025
ATL - CPH
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$609 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$420 | Average$710 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$421 | Average$505 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$444 | Average$585 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$475 | Average$833 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$481 | Average$737 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$499 | Average$676 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$788 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$527 | Average$929 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$548 | Average$616 | FlexibilityNo cancel fee | On-time77% |