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 | $452 (Mytrip) |
One-way from | $232 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $769 |
Good round-trip deal | $782 or less |
Good one-way deal | $479 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 2/19
9:15 pm-6:20 pm
1 stop15h 05m
Rome Fiumicino
Sat 2/28
6:45 am-7:20 pm
1 stop18h 35m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 2/16
5:30 pm-11:25 am
1 stop11h 55m
Rome Fiumicino
Sun 2/22
12:15 pm-9:00 pm
1 stop14h 45m
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-4:50 pm
1 stop12h 05m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 2/17
5:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Wed 2/25
9:45 am-8:15 pm
1 stop16h 30m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 2/10
1:15 pm-9:25 am
1 stop14h 10m
Rome Fiumicino
Wed 2/18
11:00 am-3:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Tue 2/24
5:40 pm-8:30 am
Nonstop8h 50m
Rome Fiumicino
Thu 3/5
11:00 am-3:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 1/21
4:30 pm-11:05 am
1 stop12h 35m
Rome Fiumicino
Fri 1/30
11:00 am-3:25 pm
Nonstop10h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 12/28
4:30 pm-11:00 pm
2 stops24h 30m
Rome Fiumicino
Fri 1/9
1:35 pm-8:15 pm
1 stop12h 40m
BaltimoreRome
BWI - FCO
BWIFCO
Baltimore/Washington
Tue 2/24
10:30 am-7:45 am
1 stop15h 15m
Rome Fiumicino
Thu 3/5
9:40 am-9:42 pm
2 stops18h 02m
BaltimoreRome
BWI - FCO
BWIFCO
Baltimore/Washington
Wed 2/18
10:30 am-7:55 am
2 stops15h 25m
Rome Fiumicino
Wed 2/25
9:45 am-9:27 pm
2 stops17h 42m
| 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*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 $266). Flying from Washington, D.C. to Rome Fiumicino Airport in July is currently the most expensive (average of $550). 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.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Kent,Aug 2025
CPH - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$383 | Average$647 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$419 | Average$727 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$421 | Average$729 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$444 | Average$585 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$475 | Average$865 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$481 | Average$737 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$485 | Average$809 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$499 | Average$1,042 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$508 | Average$844 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$548 | Average$621 | FlexibilityNo cancel fee | On-time77% |