
Most accurate provider | OneTravel 3 stars |
|---|---|
Most trusted provider | OneTravel 3 stars |
Round-trip from | $621 (Cheapflightsfares) |
One-way from | $574 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $798 |
Good round-trip deal | $680 or less |
Good one-way deal | $706 or less |
Fly from
Fly to
Route
Depart
Return
Price
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Sun 1/25
10:35 am-3:20 pm
2 stops33h 45m
Washington, D.C. Dulles Intl
Sat 1/31
8:30 pm-4:00 pm
1 stop14h 30m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Mon 1/26
10:20 am-10:03 pm
2 stops16h 43m
Washington, D.C. Reagan-National
Thu 2/5
5:45 pm-8:40 pm
2 stops21h 55m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 1/21
7:30 am-10:03 pm
2 stops19h 33m
Washington, D.C. Reagan-National
Thu 2/5
5:45 pm-5:00 pm
2 stops18h 15m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 1/20
4:15 pm-10:03 pm
2 stops34h 48m
Washington, D.C. Reagan-National
Thu 2/5
5:45 pm-5:00 pm
2 stops18h 15m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 1/20
10:20 am-10:03 pm
2 stops16h 43m
Washington, D.C. Reagan-National
Mon 2/2
5:45 pm-5:00 pm
2 stops18h 15m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Tue 1/20
7:30 am-11:12 pm
2 stops20h 42m
Washington, D.C. Dulles Intl
Sun 2/1
9:45 pm-10:00 am
Nonstop7h 15m
LondonWashington, D.C.
LTN - IAD
LTNIAD
London Luton
Tue 1/27
7:00 am-6:30 pm
1 stop16h 30m
Washington, D.C. Dulles Intl
Tue 2/3
7:40 pm-2:50 pm
1 stop14h 10m
LondonWashington, D.C.
LTN - IAD
LTNIAD
London Luton
Thu 2/26
6:00 am-6:30 pm
1 stop17h 30m
Washington, D.C. Dulles Intl
Tue 3/3
7:40 pm-2:50 pm
1 stop14h 10m
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Wed 1/21
8:50 am-3:35 pm
1 stop11h 45m
Washington, D.C. Dulles Intl
Mon 2/2
9:45 pm-10:00 am
Nonstop7h 15m
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Fri 1/23
11:55 am-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 2/1
7:40 pm-10:55 am
1 stop10h 15m
Currently, February is the cheapest month in which you can book a flight from London to District of Columbia (average of $305). Flying from London to District of Columbia in July is currently the most expensive (average of $641). 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 London to District of Columbia in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their London to District of Columbia flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from LON to USDC are scheduled on a Monday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
Food
Overall
Comfort
Crew
Entertainment
Boarding
Reviews
Pratap,Aug 2025
JFK - LHR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$950 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$833 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$431 | Average$984 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$473 | Average$730 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$510 | Average$695 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$559 | Average$743 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$567 | Average$808 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$590 | Average$859 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$593 | Average$820 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$663 | FlexibilityNo cancel fee | On-time67% |