Expect long security queues at IAD, especially in the afternoon and evening. Plan extra time for check-in and security procedures.

Most accurate provider | Mytrip 3 stars |
|---|---|
Most trusted provider | Mytrip 3 stars |
Round-trip from | $444 (Trip.com) |
One-way from | $237 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $805 |
Good round-trip deal | $745 or less |
Good one-way deal | $527 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 5/13
9:45 pm-5:30 pm
1 stop13h 45m
Rome Fiumicino
Fri 5/22
6:30 am-3:35 pm
1 stop15h 05m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 4/21
7:59 pm-5:30 pm
2 stops15h 31m
Rome Fiumicino
Thu 5/7
6:30 am-3:35 pm
1 stop15h 05m
BaltimoreRome
BWI - FCO
BWIFCO
Baltimore/Washington
Sat 1/17
7:40 pm-8:00 pm
2 stops18h 20m
Rome Fiumicino
Sat 1/24
9:15 am-6:40 pm
2 stops15h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 4/28
6:15 pm-5:30 pm
1 stop17h 15m
Rome Fiumicino
Thu 5/7
6:30 am-4:29 pm
2 stops15h 59m
Washington, D.C.Rome
DCA - FCO
DCAFCO
Washington, D.C. Reagan-National
Wed 4/15
7:30 am-7:35 am
1 stop18h 05m
Rome Fiumicino
Thu 4/30
10:10 am-6:11 pm
1 stop14h 01m
Washington, D.C.Rome
DCA - FCO
DCAFCO
Washington, D.C. Reagan-National
Mon 4/13
10:35 am-6:50 am
1 stop14h 15m
Rome Fiumicino
Tue 4/28
9:00 am-4:29 pm
1 stop13h 29m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 5/7
9:45 pm-4:00 pm
1 stop12h 15m
Rome Fiumicino
Tue 5/26
6:30 am-7:16 pm
2 stops18h 46m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sat 5/2
7:59 pm-7:55 am
1 stop29h 56m
Rome Fiumicino
Sat 5/16
6:30 am-7:16 pm
2 stops18h 46m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 2/2
8:30 pm-11:05 am
1 stop32h 35m
Rome Fiumicino
Thu 2/5
11:55 am-7:09 pm
2 stops37h 14m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 5/6
7:59 pm-7:05 pm
2 stops17h 06m
Rome Fiumicino
Sun 5/24
6:30 am-3:35 pm
1 stop15h 05m
| 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 Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
Booking 27 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. 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, October is the cheapest month in which you can book a flight from Washington, D.C. to Rome Fiumicino Airport (average of $295). Flying from Washington, D.C. to Rome Fiumicino Airport in July is currently the most expensive (average of $547). 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 optimal to fly from Washington, D.C. to Rome Fiumicino Airport in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Washington, D.C. to Rome Fiumicino Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Kent,Aug 2025
CPH - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$639 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$397 | Average$630 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$421 | Average$729 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$452 | Average$590 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$474 | Average$862 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$481 | Average$752 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$485 | Average$836 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$1,043 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$502 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$527 | Average$625 | FlexibilityNo cancel fee | On-time77% |