Expect long security queues at IAD, especially in the afternoon. Plan extra time for check-in and security to ensure a smooth departure.

Most accurate provider | Gotogate 3 stars |
|---|---|
Most trusted provider | Gotogate 3 stars |
Round-trip from | $466 (oojo) |
One-way from | $241 (Trip.com) |
Popular in | June |
Cheapest in | March |
Average price | $805 |
Good round-trip deal | $783 or less |
Good one-way deal | $589 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 4/12
8:20 pm-7:20 pm
2 stops17h 00m
Rome Fiumicino
Sat 4/18
12:55 pm-4:50 pm
2 stops33h 55m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 3/9
6:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Tue 3/24
9:45 am-4:50 pm
1 stop12h 05m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 3/2
5:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Tue 3/10
11:00 am-4:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 2/19
12:24 pm-11:05 am
2 stops16h 41m
Rome Fiumicino
Sat 2/28
11:40 am-6:50 pm
1 stop13h 10m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 3/10
6:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Tue 3/24
9:45 am-9:15 pm
1 stop16h 30m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 3/23
6:40 pm-11:00 am
1 stop11h 20m
Rome Fiumicino
Tue 3/31
10:20 am-2:25 pm
Nonstop10h 05m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 3/18
6:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Mon 3/30
1:20 pm-7:55 pm
1 stop12h 35m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Fri 3/20
6:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Fri 3/27
11:00 am-4:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 3/12
9:30 pm-2:00 pm
1 stop11h 30m
Rome Fiumicino
Fri 3/20
11:00 am-4:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sat 3/14
10:31 pm-7:55 am
2 stops28h 24m
Rome Fiumicino
Sun 3/22
7:00 am-9:15 pm
2 stops19h 15m
| 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*2 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 37 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 Fiumicino Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport (average of $414). Flying from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport in July is currently the most expensive (average of $553). 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.
When flying from Washington, D.C. Dulles Intl Airport to Rome Fiumicino Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
About 33% of weekly flights between Washington, D.C. and Rome have experienced delays in the past year, with the average delay time being 168 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.
Monday tends to have the lowest number of delays on this route, whereas Wednesday 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.
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
Food
Comfort
Overall
Entertainment
Crew
Boarding
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$585 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$397 | Average$605 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$421 | Average$505 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$434 | Average$910 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$451 | Average$651 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$472 | Average$828 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$481 | Average$839 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$499 | Average$676 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$502 | Average$783 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$520 | Average$613 | FlexibilityNo cancel fee | On-time77% |