Expect long security queues at IAD, especially in the afternoon and evening. Plan extra time for check-in and security procedures.
Round-trip from | $383 (FlightHub) |
---|---|
One-way from | $211 (Kiwi.com) |
Popular in | June |
Cheapest in | March |
Average price | $797 |
Good round-trip deal | $747 or less |
Good one-way deal | $614 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 3/5
8:30 pm-10:50 am
1 stop32h 20m
Rome Fiumicino
Sat 3/14
11:40 am-7:50 pm
1 stop13h 10m
Washington, D.C.Rome
DCA - FCO
DCAFCO
Washington, D.C. Reagan-National
Tue 11/4
12:55 pm-11:30 pm
3 stops28h 35m
Rome Fiumicino
Tue 11/11
7:40 am-10:35 pm
3 stops20h 55m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Wed 12/3
10:30 pm-6:45 pm
1 stop14h 15m
Rome Fiumicino
Fri 12/12
6:00 am-9:00 pm
1 stop21h 00m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 11/23
8:45 pm-4:10 pm
1 stop13h 25m
Rome Fiumicino
Thu 2/5
5:10 pm-6:45 pm
1 stop31h 35m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 11/27
9:10 pm-9:50 am
1 stop30h 40m
Rome Fiumicino
Tue 2/3
2:50 pm-7:15 pm
1 stop34h 25m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Mon 3/2
5:30 pm-12:05 am
1 stop24h 35m
Rome Fiumicino
Mon 3/9
6:00 am-4:15 pm
1 stop15h 15m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Sun 9/28
10:05 pm-6:45 pm
1 stop14h 40m
Rome Fiumicino
Wed 10/15
11:55 am-7:59 pm
1 stop14h 04m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 12/4
7:59 pm-10:50 am
2 stops32h 51m
Rome Fiumicino
Sun 12/7
11:45 am-7:19 pm
2 stops37h 34m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Thu 2/5
5:30 pm-11:25 am
1 stop11h 55m
Rome Fiumicino
Wed 2/18
6:00 am-9:00 pm
1 stop21h 00m
Washington, D.C.Rome
IAD - FCO
IADFCO
Washington, D.C. Dulles Intl
Fri 11/21
1:30 pm-9:50 am
1 stop14h 20m
Rome Fiumicino
Wed 2/4
6:45 am-7:15 pm
1 stop18h 30m
Booking 20 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Rome Fiumicino Airport (average of $644). Flying from Washington, D.C. to Rome Fiumicino Airport in June is currently the most expensive (average of $1,130). 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 34% 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 Sunday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from WAS to FCO are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
Lisbon (LIS) – chosen by Cheapflights users on 67% of 1-stop itineraries from Washington, D.C. to Rome Fiumicino Airport on Cheapflights.
Copenhagen (CPH) is the most affordable 1-stop option, with an average round-trip price of $456.
Flights via Lisbon (LIS) have the shortest average one-way travel time for 1-stop routes: 13h 00m.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 25m.
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Kent,Aug 2025
CPH - SEA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$187 | Average$1,045 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$383 | Average$638 | FlexibilityNo cancel fee | On-time76% | |
Cheapest$420 | Average$750 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$446 | Average$589 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$475 | Average$730 | FlexibilityNo cancel fee | On-time75% | |
Cheapest$479 | Average$856 | FlexibilityNo cancel fee | On-time81% | |
Cheapest$481 | Average$737 | FlexibilityNo cancel fee | On-time77% | |
Cheapest$481 | Average$809 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$508 | Average$836 | FlexibilityNo cancel fee | On-time70% | |
Cheapest$550 | Average$632 | FlexibilityNo cancel fee | On-time77% |