
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $882 (Justfly.com) |
One-way from | $380 (Super.com) |
Popular in | June |
Cheapest in | September |
Average price | $1,277 |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.London
DCA - LGW
DCALGW
Washington, D.C. Reagan-National
Sun 8/9
1:25 pm-9:35 am
1 stop15h 10m
London Gatwick
Mon 8/17
12:20 pm-9:50 pm
1 stop14h 30m
Washington, D.C.London
DCA - LGW
DCALGW
Washington, D.C. Reagan-National
Tue 8/11
5:00 pm-9:35 am
1 stop11h 35m
London Gatwick
Mon 8/17
12:20 pm-7:56 pm
1 stop12h 36m
Washington, D.C.London
DCA - STN
DCASTN
Washington, D.C. Reagan-National
Tue 7/14
6:55 pm-8:00 pm
2 stops20h 05m
London Stansted
Wed 7/22
6:30 am-8:52 am
3 stops31h 22m
Washington, D.C.London
DCA - STN
DCASTN
Washington, D.C. Reagan-National
Wed 8/19
12:40 pm-9:40 pm
3 stops28h 00m
London Stansted
Sat 8/22
5:55 am-9:48 pm
2 stops20h 53m
Washington, D.C.London
DCA - LCY
DCALCY
Washington, D.C. Reagan-National
Tue 9/22
3:15 pm-9:30 am
2 stops13h 15m
London City
Wed 9/30
8:25 am-7:50 pm
2 stops16h 25m
Washington, D.C.London
DCA - LHR
DCALHR
Washington, D.C. Reagan-National
Mon 10/12
5:00 pm-8:50 am
1 stop10h 50m
London Heathrow
Fri 11/20
4:10 pm-11:04 pm
1 stop11h 54m
Washington, D.C.London
DCA - LHR
DCALHR
Washington, D.C. Reagan-National
Sat 11/7
3:55 pm-6:55 am
1 stop10h 00m
London Heathrow
Wed 11/18
9:20 am-5:19 pm
1 stop12h 59m
Washington, D.C.London
DCA - LHR
DCALHR
Washington, D.C. Reagan-National
Wed 11/11
6:25 am-8:45 pm
1 stop9h 20m
London Heathrow
Thu 11/12
9:20 am-4:20 pm
1 stop12h 00m
Washington, D.C.London
DCA - STN
DCASTN
Washington, D.C. Reagan-National
Tue 7/7
6:00 am-10:40 pm
3 stops35h 40m
London Stansted
Wed 7/15
10:00 pm-6:12 pm
3 stops25h 12m
Washington, D.C.London
DCA - LTN
DCALTN
Washington, D.C. Reagan-National
Thu 7/23
6:00 am-11:10 pm
3 stops36h 10m
London Luton
Wed 7/29
8:55 am-7:57 pm
2 stops16h 02m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star |
Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to London (average of $31). Flying from Washington, D.C. Reagan-National Airport to London in June is currently the most expensive (average of $718). 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.
New York (JFK) – chosen by Cheapflights users on 90% of 1-stop itineraries from Washington, D.C. Reagan-National Airport to London on Cheapflights.
Boston (BOS) is the most affordable 1-stop option, with an average round-trip price of $677.
Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 9h 35m.
Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 46m.
The price you pay for your flight from Washington, D.C. Reagan-National Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
Crew
Overall
Entertainment
Food
Boarding
Comfort
Reviews
Pratap,Aug 2025
JFK - LHR
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$497 | Average$835 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$497 | Average$724 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$529 | Average$802 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$558 | Average$995 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$577 | Average$887 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$598 | Average$898 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$639 | Average$775 | FlexibilityNo cancel fee | On-time62% |