
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $533 |
One-way from | $490 (Thrive Travel) |
Popular in | July |
Cheapest in | February |
Average price | $606 |
Good round-trip deal | $571 or less |
Good one-way deal | $635 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Mon 3/9
7:30 am-3:35 pm
1 stop12h 05m
Washington, D.C. Dulles Intl
Tue 3/17
7:20 pm-6:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Thu 2/26
12:20 pm-10:59 pm
1 stop15h 39m
Washington, D.C. Reagan-National
Wed 3/4
6:00 am-9:40 pm
1 stop10h 40m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 3/10
8:40 am-5:05 pm
1 stop12h 25m
Washington, D.C. Dulles Intl
Wed 3/18
11:20 pm-10:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 3/24
12:20 pm-10:59 pm
1 stop14h 39m
Washington, D.C. Reagan-National
Tue 3/31
3:39 pm-6:30 am
1 stop9h 51m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sun 3/8
12:05 pm-4:35 pm
Nonstop8h 30m
Washington, D.C. Dulles Intl
Thu 3/19
7:20 pm-6:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Wed 3/11
4:50 pm-9:30 pm
Nonstop8h 40m
Washington, D.C. Dulles Intl
Wed 3/18
11:20 pm-10:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 3/7
12:05 pm-3:35 pm
Nonstop8h 30m
Washington, D.C. Dulles Intl
Sun 3/15
7:20 pm-6:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 3/10
12:05 pm-4:35 pm
Nonstop8h 30m
Washington, D.C. Dulles Intl
Fri 3/20
7:20 pm-6:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 3/7
12:05 pm-3:35 pm
Nonstop8h 30m
Washington, D.C. Dulles Intl
Wed 3/18
7:20 pm-6:40 am
Nonstop7h 20m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sat 3/7
12:05 pm-3:35 pm
Nonstop8h 30m
Washington, D.C. Dulles Intl
Fri 3/20
7:20 pm-6:40 am
Nonstop7h 20m
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to District of Columbia (average of $505). Flying from London Heathrow Airport to District of Columbia in June is currently the most expensive (average of $629). 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.
When flying from London Heathrow Airport to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from LHR to USDC are scheduled on a Wednesday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (18 on average).
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
Crew
Comfort
Boarding
Overall
Entertainment
Food
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$271 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$320 | Average$949 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$431 | Average$984 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$466 | Average$689 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$473 | Average$730 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$559 | Average$765 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$562 | Average$772 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$567 | Average$784 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$572 | Average$846 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$663 | FlexibilityNo cancel fee | On-time67% |