Cheap Flights from Washington D.C., DC to London from $179

Return flight: London – Washington D.C.
Cheap Flights Flights Schedule

On Cheapflightsplus.com you will find 15 direct and 985 connecting flights from Washington D.C. to London. You can compare airfare deals from 26 airlines and multiple travel sites from $179, book and save on cheap plane tickets and last minute offers. Also check out WAS-LON flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Washington D.C. to London depends on and how to choose the most interesting flight option for you.

Distance between Washington D.C. and London is 5899 miles. Time difference between the cities is 5h. Airplanes depart 01:05 to 23:15 from 2 Washington D.C. airports and arrive 01:05 to 23:15 to 10 London airports. Average flight time is 7h 20m.

  • The fastest flight 7h 15m
  • Average flight time 7h 20m
  • The earliest flight 01:05
  • The latest flight 23:15
  • Distance 3666 ml

Best Flights from Washington D.C. to London Today

Take a look at the list of non stop flights and flights with layovers from Washington D.C. to London with the lowest price of $179. The fastest direct flight takes 7h 15m and the fastest connecting – 9h 18m.
Price Departure Arrival Flight Duration Airline Flight
from $361
Find flight
22:45
Washington D.C.
Dulles International
 11:05+1 день
London
Heathrow
 7h 20m Iberia
IB3631
from $363
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19:25
Washington D.C.
Dulles International
 07:45+1 день
London
Heathrow
 7h 20m British Airways
BA290
from $395
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18:40
Washington D.C.
Dulles International
 06:55+1 день
London
Heathrow
 7h 15m United Airlines
UA918
from $179
Find flight
23:15
Washington D.C.
Dulles International
 11:55+2 дня
London
Heathrow
 31h 40m
layover
22h 35m - Reykjavik
 Icelandair
FI648
FI450
from $202
Find flight
17:50
Washington D.C.
Dulles International
 22:55+1 день
London
Heathrow
 24h 5m
layover
14h 0m - Lisbon
 TAP Portugal
TP232
TP1366
from $232
Find flight
06:10
Washington D.C.
Dulles International
 06:55+1 день
London
Gatwick
 19h 45m
layover
1h 8m - Atlanta
6h 1m - Miami
 Frontier Airlines
F94707
F94406
Z0724
from $240
Find flight
23:15
Washington D.C.
Dulles International
 08:40+3 дня
London
Gatwick
 52h 25m
layover
22h 45m - Reykjavik
16h 20m - Rome
 Icelandair
FI648
FI562
W46001
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on October 25, 2025

The cheapest months to travel to London are july (from 179 $), august (from 202 $), october (from 226 $).

The most expensive months are may (from 432 $), december (from 386 $), february (from 283 $).

What is the lowest airfare Washington D.C. to London?

The cheapest plane ticket found by our users is $179. This airfare is for economy class on one-way FI648 flight by Icelandair for September 27, 2025 which leaves Dulles International in Washington D.C. at 23:15 am and arrives at London Heathrow at 11:55.

Economy class
$179
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Business class
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First class
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Flight Schedule Washington D.C. (District of Columbia) to London

17:50 — 22:55+1day
24h 5m flight time
Find flight
from$202
17:00 — 05:20 Washington D.C. — Lisbon
TP232 TAP Portugal
14h stop
20:10 — 22:55 Lisbon — London
TP1366 TAP Portugal
17:50 — 06:20+1day
7h 30m flight time
Find flight
from$399
Washington D.C. — London
KL4817 KLM
17:50 — 06:20+1day
7h 30m flight time
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from$399
Washington D.C. — London
AF9652 Air France
17:55 — 06:15+1day
7h 20m flight time
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from$374
Washington D.C. — London
BA216 British Airways
17:55 — 06:15+1day
7h 20m flight time
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from$423
Washington D.C. — London
IB3589 Iberia
18:40 — 06:55+1day
7h 15m flight time
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from$395
Washington D.C. — London
UA918 United Airlines
19:25 — 06:55+2days
30h 30m flight time
Find flight
from$222
15:38 — 18:26 Washington D.C. — Miami
F93747 Frontier Airlines
19h 3m stop
17:15 — 06:55 Miami — London
Z0724 Z0
19:25 — 07:45+1day
7h 20m flight time
Find flight
from$363
Washington D.C. — London
BA290 British Airways
20:30 — 11:45+1day
10h 15m flight time
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from$220
20:30 — 06:25 Washington D.C. — Reykjavik
FI644 Icelandair
1h 10m stop
07:35 — 11:45 Reykjavik — London
FI470 Icelandair
22:25 — 10:40+1day
7h 15m flight time
Find flight
from$395
Washington D.C. — London
UA924 United Airlines
22:35 — 09:45+2days
30h 10m flight time
Find flight
from$210
22:20 — 10:40 Washington D.C. — Lisbon
TP234 TAP Portugal
20h stop
07:05 — 09:45 Lisbon — London
TP1334 TAP Portugal
22:45 — 11:05+1day
7h 20m flight time
Find flight
from$361
Washington D.C. — London
IB3631 Iberia
22:45 — 11:05+1day
7h 20m flight time
Find flight
from$363
Washington D.C. — London
BA292 British Airways
23:15 — 11:55+2days
31h 40m flight time
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from$179
23:15 — 09:05 Washington D.C. — Reykjavik
FI648 Icelandair
22h 35m stop
07:40 — 11:55 Reykjavik — London
FI450 Icelandair
23:15 — 11:45+2days
31h 30m flight time
Find flight
from$222
23:15 — 09:05 Washington D.C. — Reykjavik
FI648 Icelandair
22h 30m stop
07:35 — 11:45 Reykjavik — London
FI470 Icelandair
Full flight schedule will help you in detecting at what time planes fly from Washington D.C. to London. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 25, 2025.

Popular Airlines on the Route

The flight Washington D.C. — London is served by 26 regular airlines and 6 low-cost airlines. Most of the flights on this route are operated by Icelandair - 229 departures per week at the price of from $ 179 . And the most expensive tickets are offered by TAP Portugal airline - from $ 528.

Direct flights

There are 15 nonstop flights on the route. The fastest direct flight is UA918 by United Airlines takes 7h 15m and the cheapest is FI648 by Icelandair for $361.

  • KL - KLM
    from $399
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  • OS - Austrian Airlines
    from $486
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  • AF - Air France
    from $399
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  • AY - Finnair
    from $498
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  • IB - Iberia
    from $361
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  • UA - United Airlines
    from $395
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  • LH - Lufthansa
    from $468
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  • VS - Virgin Atlantic Airways
    from $463
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  • BA - British Airways
    from $363
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See more direct flights

Connecting Flights

There are 985 flights with layovers on the route. The fastest connecting flight is BA1860 by British Airways takes 9h 18m and the cheapest is FI648 by Icelandair for $179.

  • FI - Icelandair
    from $179
    Find
  • LX - SWISS International Air Lines
    from $373
    Find
  • UA - United Airlines
    from $392
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  • G4 - Allegiant Air
    from $265
    Find
  • SK - SAS
    from $350
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  • IB - Iberia
    from $374
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  • SN - Brussels Airlines
    from $390
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  • WS - WestJet
    from $464
    Find
  • KL - KLM
    from $399
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  • AC - Air Canada
    from $356
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  • OS - Austrian Airlines
    from $384
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  • EI - Aer Lingus
    from $459
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See more connecting flights

Airports

You can fly from Washington D.C. to London from 2 airports (Dulles International, Ronald Reagan).

Washington D.C. airports

  • Dulles International-IAD
    from $179
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  • Ronald Reagan-DCA
    from $356
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London airports

  • London City-LCY
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  • London-Waterloo-QQW
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  • Heathrow-LHR
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  • Luton-LTN
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  • British Rail Terminal-ZLX
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  • London Biggin Hill-BQH
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  • Stansted-STN
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  • Gatwick-LGW
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  • Ebbsfleet International Rail St-XQE
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  • Stratford International Rail St-XOF
    Find

Airplanes

There are flights to London from Washington D.C. by 26 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Washington D.C.

You may also consider searching for discounted plane tickets to some other popular places from Washington D.C. within United States.

Top International Destinations from Washington D.C.

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

How to book a plane ticket yourself?

How to book an air ticket yourself?
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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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