
| Most accurate provider | OneTravel 3 stars | 
|---|---|
| Most trusted provider | OneTravel 3 stars | 
| Round-trip from | $541 (Justfly.com) | 
| One-way from | $282 (Kiwi.com) | 
| Popular in | July | 
| Cheapest in | February | 
| Average price | $745 | 
| Good round-trip deal | $755 or less | 
| Good one-way deal | $686 or less | 
Fly from
Fly to
Route
Depart
Return
Price
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Thu 12/4
2:35 pm-4:05 pm
2 stops30h 30m
Washington, D.C. Dulles Intl
Wed 12/10
6:05 pm-7:40 pm
2 stops20h 35m
LondonWashington, D.C.
STN - IAD
STNIAD
London Stansted
Fri 11/21
3:00 pm-4:05 pm
2 stops30h 05m
Washington, D.C. Dulles Intl
Tue 11/25
6:05 pm-8:15 pm
2 stops21h 10m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Tue 1/20
9:20 am-9:51 pm
1 stop17h 31m
Washington, D.C. Reagan-National
Tue 2/3
1:00 pm-6:55 am
1 stop12h 55m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 12/3
9:20 am-9:03 pm
1 stop16h 43m
Washington, D.C. Reagan-National
Wed 12/10
9:45 am-6:55 am
1 stop16h 10m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Mon 11/24
8:05 am-2:59 pm
1 stop11h 54m
Washington, D.C. Reagan-National
Tue 12/9
6:00 am-9:40 pm
1 stop10h 40m
LondonWashington, D.C.
LTN - IAD
LTNIAD
London Luton
Tue 11/25
7:00 am-6:30 pm
1 stop16h 30m
Washington, D.C. Dulles Intl
Tue 12/9
7:40 pm-2:50 pm
1 stop14h 10m
LondonWashington, D.C.
LTN - IAD
LTNIAD
London Luton
Tue 11/11
9:00 am-3:35 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 11/16
5:05 pm-11:45 am
1 stop13h 40m
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 4/15
8:25 am-3:59 pm
1 stop12h 34m
Washington, D.C. Reagan-National
Wed 4/29
3:59 pm-6:30 am
1 stop9h 31m
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Thu 11/27
11:55 am-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Sun 12/7
7:40 pm-10:55 am
1 stop10h 15m
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Tue 11/25
11:55 am-6:30 pm
1 stop11h 35m
Washington, D.C. Dulles Intl
Wed 12/10
7:40 pm-10:55 am
1 stop10h 15m
Currently, February is the cheapest month in which you can book a flight from United Kingdom to District of Columbia (average of $305). Flying from United Kingdom 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.
When flying from United Kingdom to District of Columbia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 16% versus a flight at noon.
Travelers seeking maximum savings on their United Kingdom 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.
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
Overall
Entertainment
Boarding
Food
Crew
Comfort
Reviews
Jorge,Jun 2025
SFO - LHR
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$304 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$320 | Average$958 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$390 | Average$883 | 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$876 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$562 | Average$733 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$567 | Average$905 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$594 | Average$829 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$635 | Average$663 | FlexibilityNo cancel fee | On-time67% |