
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $652 (Kiwi.com) |
One-way from | $292 (FlightHub) |
Popular in | June |
Cheapest in | September |
Average price | $700 |
Good round-trip deal | $841 or less |
Good one-way deal | $491 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Sun 4/19
1:20 pm-6:25 pm
2 stops24h 05m
London Luton
Tue 4/28
1:35 pm-11:35 am
2 stops27h 00m
Washington, D.C.Birmingham
IAD - BHX
IADBHX
Washington, D.C. Dulles Intl
Sun 9/13
9:45 pm-12:05 pm
1 stop33h 20m
Birmingham
Tue 10/6
1:00 pm-11:35 am
1 stop27h 35m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Tue 4/28
8:30 pm-2:40 pm
1 stop13h 10m
London Gatwick
Thu 5/7
1:00 pm-7:20 pm
1 stop11h 20m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Thu 9/3
8:30 pm-2:40 pm
1 stop13h 10m
London Gatwick
Sat 9/12
3:40 pm-10:15 pm
1 stop11h 35m
Washington, D.C.Birmingham
IAD - BHX
IADBHX
Washington, D.C. Dulles Intl
Sun 9/13
9:45 pm-9:05 am
1 stop30h 20m
Birmingham
Sat 9/19
5:35 pm-11:35 am
1 stop23h 00m
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Mon 4/27
8:30 pm-1:10 am
3 stops23h 40m
London Luton
Sun 5/10
5:40 am-5:20 am
2 stops28h 40m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Tue 4/28
8:30 pm-2:40 pm
1 stop13h 10m
London Gatwick
Sun 5/3
1:00 pm-7:20 pm
1 stop11h 20m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Sat 4/25
8:30 pm-2:40 pm
1 stop13h 10m
London Gatwick
Sun 5/3
1:00 pm-7:20 pm
1 stop11h 20m
Washington, D.C.Edinburgh
IAD - EDI
IADEDI
Washington, D.C. Dulles Intl
Mon 5/4
8:20 pm-6:25 pm
1 stop17h 05m
Edinburgh Turnhouse
Wed 5/13
9:20 am-5:00 pm
2 stops36h 40m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Fri 8/28
11:20 pm-11:45 am
1 stop31h 25m
London Gatwick
Sat 9/5
3:40 pm-10:15 pm
1 stop11h 35m
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to England (average of $357). Flying from Washington, D.C. Dulles Intl Airport to England in June is currently the most expensive (average of $612). 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.
One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to England is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 50% on airfare.
The most flights from IAD to GBENG are scheduled on a Monday (28 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
Overall
Boarding
Food
Comfort
Entertainment
Crew
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$398 | Average$608 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$411 | Average$550 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$454 | Average$629 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$530 | Average$826 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$536 | Average$811 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$536 | Average$849 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$556 | Average$866 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$561 | Average$800 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$568 | Average$761 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$571 | Average$803 | FlexibilityNo cancel fee | On-time71% |