
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $744 (Kiwi.com) |
One-way from | $280 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $880 |
Good round-trip deal | $981 or less |
Good one-way deal | $494 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 8/12
6:30 pm-6:55 am
Nonstop7h 25m
London Heathrow
Wed 9/2
6:50 am-2:20 pm
1 stop12h 30m
Washington, D.C.London
IAD - LTN
IADLTN
Washington, D.C. Dulles Intl
Wed 6/3
5:15 pm-12:35 pm
2 stops14h 20m
London Luton
Tue 6/9
9:40 am-8:29 pm
2 stops15h 49m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Tue 9/8
12:30 pm-6:30 pm
2 stops25h 00m
London Heathrow
Sat 9/12
6:40 am-5:00 pm
2 stops15h 20m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Tue 9/22
9:45 pm-4:00 pm
1 stop13h 15m
London Gatwick
Tue 10/6
5:00 pm-11:52 am
2 stops23h 52m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Sun 7/19
6:15 pm-4:00 pm
1 stop16h 45m
London Gatwick
Tue 9/1
10:35 am-10:59 pm
2 stops17h 24m
Washington, D.C.London
IAD - STN
IADSTN
Washington, D.C. Dulles Intl
Sat 10/17
1:20 pm-4:40 pm
1 stop22h 20m
London Stansted
Sat 10/24
5:45 pm-12:45 pm
1 stop24h 00m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Wed 8/19
8:28 am-9:25 am
2 stops19h 57m
London Gatwick
Wed 9/2
5:00 pm-11:51 am
2 stops23h 51m
Washington, D.C.London
IAD - LHR
IADLHR
Washington, D.C. Dulles Intl
Wed 9/30
6:35 pm-6:55 am
Nonstop7h 20m
London Heathrow
Thu 10/8
12:15 pm-3:30 pm
Nonstop8h 15m
Washington, D.C.London
IAD - LCY
IADLCY
Washington, D.C. Dulles Intl
Wed 8/19
11:10 am-7:15 am
2 stops15h 05m
London City
Wed 9/2
10:00 am-3:35 pm
1 stop10h 35m
Washington, D.C.London
IAD - LGW
IADLGW
Washington, D.C. Dulles Intl
Sat 5/23
7:27 pm-10:00 am
1 stop33h 33m
London Gatwick
Tue 6/9
2:00 pm-12:53 pm
1 stop27h 53m
To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to England, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to England (average of $416). Flying from Washington, D.C. Dulles Intl Airport to England in June is currently the most expensive (average of $1,051). 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 Friday (30 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (28 on average).
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
Entertainment
Crew
Comfort
Food
Boarding
Overall
Reviews
Anonymous,Apr 2026
DFW - EWR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$309 | Average$504 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$398 | Average$611 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$492 | Average$710 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$519 | Average$838 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$529 | Average$846 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$536 | Average$883 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$552 | Average$807 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$558 | Average$874 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$561 | Average$755 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$561 | Average$812 | FlexibilityNo cancel fee | On-timeN/A |