Cheap flights from Washington, D.C. to London

Washington
WAS
London
LON

Flight deals from Washington, D.C. to London

Below you can see the best deals on flights Washington, D.C. — London for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 5 October, from $258.

Top 10 cheap flights from Washington, D.C. to London

DL
Z0
$ 326

Washington, D.C. — London

12:25—06:20
12 Sep 2026
12 h 55 m
1 stop
DL
Z0
$ 326

Washington, D.C. — London

11:10—06:20
12 Sep 2026
14 h 10 m
1 stop
DL
Z0
$ 326

Washington, D.C. — London

06:10—06:20
12 Sep 2026
19 h 10 m
1 stop
DL
Z0
$ 327

Washington, D.C. — London

13:15—06:20
12 Sep 2026
12 h 5 m
1 stop
DL
Z0
$ 327

Washington, D.C. — London

11:00—06:20
12 Sep 2026
14 h 20 m
1 stop
DL
Z0
$ 327

Washington, D.C. — London

08:25—06:20
12 Sep 2026
16 h 55 m
1 stop
DL
Z0
$ 327

Washington, D.C. — London

06:20—06:20
12 Sep 2026
19 h
1 stop
DL
Z0
$ 344

Washington, D.C. — London

06:10—06:20
11 Sep 2026
19 h 10 m
1 stop
DL
Z0
$ 345

Washington, D.C. — London

06:20—06:20
11 Sep 2026
19 h
1 stop
B6
Z0
$ 348

Washington, D.C. — London

06:30—06:20
12 Sep 2026
18 h 50 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

When is the best time to book a flight from Washington, D.C. to London?

The price of a flight from Washington, D.C. to London changes depending on how far ahead you book. For the best chance of a lower fare, book around 8 days before departure, when the average ticket costs about $569. Fares also tend to climb as the departure date gets closer.

About the Washington, D.C. — London flight

Looking for cheap flights from Washington, D.C. to London? Compare fares from different airlines, check the flight schedule and travel time — and book your Washington, D.C. — London ticket online at the best price.

The route has direct flights — around 119 flights per week, flights are operated by British Airways, United Airlines, Virgin Atlantic, Aer Lingus and 4 more airlines, a nonstop flight takes about 7 h 25 min, the distance between the cities is around 5,913 km.

Planning your trip? You may find our London travel guide, how to get from the airport into town and London weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $242Min. price
DecemberCheapest
JunePeak season
YesDirect flights
5,913 kmDistance
7 h 25 minTravel time
8Airlines
119 / wkFlights

Flight schedule from Washington, D.C. to London

The table shows direct flights from Washington, D.C. to London on the selected date. The flight takes approximately 7 h 25 min. Regular flights are operated by British Airways, United Airlines, Virgin Atlantic and Aer Lingus. Departures from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport airports, arrivals at Heathrow Airport, London Gatwick Airport and Stansted Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 14 Aug 2026

Flight ticket prices by day: Washington, D.C. — London

Below is a calendar of the lowest flight ticket prices for Washington, D.C. — London by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $242 in December, and the most expensive are around $462 in June. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Washington, D.C. to London by month. Tickets are usually cheapest in January (around $544) and priciest in July (about $906) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$544lowMay$725mediumSep$749medium
Feb$568lowJun$846highOct$701medium
Mar$604lowJul$906highNov$628low
Apr$665mediumAug$882highDec$822high

Some values are estimated based on seasonality.

When to fly

Weather in London: it is warmest in July (up to 22 °C on average) and coolest in January (around 7 °C). The driest month is June.

Tickets are usually cheapest in December and most expensive in June. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · London

Dry and wet days · London

Wind speed and direction · London

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How to get the best deal on a Washington, D.C. — London ticket

  • Book ahead: fares for Washington, D.C. — London are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Washington, D.C. is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to London is usually December — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Washington, D.C. — London route are operated by 8 airlines; British Airways runs the most flights (around 47% of all flights). Compare carriers, flight shares and schedules below.

  • British AirwaysBA
    19x/week
    WebsiteFleet: 29243M pax/year
    • Direct flight IAD → LHR14x/week
      Duration
      7h 28m
      Days
      MTWTFSS
    • Direct flight BWI → LHR5x/week
      Duration
      7h 20m
      Days
      MTWTFSS
    47.1%Open →
  • United AirlinesUA
    9x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAD → LHR9x/week
      Duration
      7h 25m
      Days
      MTWTFSS
    23.5%Open →
  • Virgin AtlanticVS
    5x/week
    WebsiteFleet: 415.3M pax/year
    • Direct flight IAD → LHR5x/week
      Duration
      7h 25m
      Days
      MTWTFSS
    11.8%Open →
  • Aer LingusEI
    3x/week
    WebsiteFleet: 5710.7M pax/year
    • Direct flight IAD → LHR3x/week
      Duration
      7h 33m
      Days
      MTWTFSS
    8.4%Open →
  • DeltaDL
    1x/week
    WebsiteFleet: 986190M pax/year
    • Direct flight IAD → LHR1x/week
      Duration
      7h 25m
      Days
      MTWTFSS
    3.4%Open →
  • LufthansaLH
    1x/week
    WebsiteFleet: 38764.5M pax/year
    • Direct flight IAD → LHR1x/week
    2.5%Open →
  • IberiaIB
    1x/week
    WebsiteFleet: 9224M pax/year
    • Direct flight IAD → LHR1x/week
    1.7%Open →
  • Air FranceAF
    1x/week
    WebsiteFleet: 22045M pax/year
    • Direct flight IAD → LHR1x/week
      Duration
      7h 25m
      Days
      MTWTFSS
    1.7%Open →

Cities and airports on the Washington, D.C. — London route

Flights Washington, D.C. — London depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National Airport and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport and London Luton Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Washington, D.C.

WAS
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

London

LON
United Kingdom
About the cityHow to get thereWeatherAll about the country United Kingdom
Departure airports
Arrival airports

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Frequently asked questions about the Washington, D.C. — London flight

How long is the flight from Washington, D.C. to London?

A nonstop Washington, D.C. — London flight takes about 7 h 25 min — the distance between the cities is around 5,913 km.

How far is it from Washington, D.C. to London?

The distance from Washington, D.C. to London is about 5,913 km, which a nonstop flight covers in around 7 h 25 min.

Are there direct flights from Washington, D.C. to London?

Yes, there are nonstop flights Washington, D.C. — London — around 119 flights per week.

Which airlines fly from Washington, D.C. to London?

Airlines operating Washington, D.C. — London include British Airways, United Airlines, Virgin Atlantic, Aer Lingus, Delta. See the full list with schedules in the "Airlines" section on this page.

Which airports do Washington, D.C. — London flights use?

Flights from Washington, D.C. depart from Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport, Ronald Reagan National Airport, and arrive at Heathrow Airport, London Gatwick Airport, Stansted Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Washington, D.C. to London?

The price of a Washington, D.C. — London ticket depends on your travel date, season and demand: it is usually cheapest to fly in December, and most expensive in June. Tickets typically cost between $242 and $462. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Washington, D.C. — London?

Flights Washington, D.C. — London are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is December. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Washington, D.C. to London?

To catch a low fare Washington, D.C. — London, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually December.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Washington, D.C.

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New York CityChicagoAtlantaBostonOrlandoTorontoCharlotteHoustonDetroitSeattleMinneapolisDallasMiamiFort LauderdaleMontrealDenverRaleighLos AngelesNashvilleSan FranciscoPittsburghTampaIndianapolisBuffaloCincinnatiProvidencePhiladelphiaRochesterOttawaKnoxvilleColumbusClevelandAlbanySouth PortlandNorth CharlestonSan SalvadorSan DiegoBurlingtonSavannahNorfolk

Where else you can fly from London

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New York CityAmsterdamMadridBarcelonaDublinParisFrankfurt am MainMilanPalmaMalagaEdinburghIstanbulGenevaGlasgowBelfastLisbonFaroZurichNiceRomeLos AngelesCopenhagenAthensAlicanteBerlinSan FranciscoDubaiBostonIbizaTorontoMunichAntalyaChicagoDohaBristolStockholmOsloViennaDusseldorfCardiff

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