Cheap flights from London to Washington, D.C.

Flight deals from London to Washington, D.C.

Below you can see the best deals on flights London — Washington, D.C. 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 25 September, from $411.

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

London — Washington, D.C.

08:00—15:10

8 Sep 2026

36 h 10 m

2 stops

London — Washington, D.C.

12:20—21:24

22 Sep 2026

14 h 4 m

1 stop

London — Washington, D.C.

12:20—21:24

23 Sep 2026

14 h 4 m

1 stop

London — Washington, D.C.

14:30—23:59

20 Sep 2026

14 h 29 m

1 stop

London — Washington, D.C.

12:20—21:24

19 Sep 2026

14 h 4 m

1 stop

London — Washington, D.C.

14:30—23:59

6 Sep 2026

14 h 29 m

1 stop

London — Washington, D.C.

14:30—23:59

18 Sep 2026

14 h 29 m

1 stop

London — Washington, D.C.

12:20—21:24

12 Sep 2026

14 h 4 m

1 stop

London — Washington, D.C.

12:20—21:24

15 Sep 2026

14 h 4 m

1 stop

London — Washington, D.C.

14:30—23:59

13 Sep 2026

14 h 29 m

1 stop

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

About the London — Washington, D.C. flight

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

The route has direct flights — around 142 flights per week, flights are operated by British Airways, United Airlines, Aer Lingus, Virgin Atlantic and 8 more airlines, a nonstop flight takes about 8 h, the distance between the cities is around 5,913 km.

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

from $395Min. price

NovemberCheapest

AugustPeak season

YesDirect flights

5,913 kmDistance

8 hTravel time

15Airlines

142 / wkFlights

Flight schedule from London to Washington, D.C.

The table shows direct flights from London to Washington, D.C. on the selected date. The flight takes approximately 8 h. Regular flights are operated by British Airways, United Airlines, Aer Lingus and Virgin Atlantic. Departures from Heathrow Airport, London Gatwick Airport and Stansted Airport airports, arrivals at Washington Dulles International Airport, Baltimore/Washington International Thurgood Marshall Airport and Ronald Reagan National 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: 24 Aug 2026

Airline

Flight

Departure

Arrival

Duration

Days

Status

Below is a calendar of the lowest flight ticket prices for London — Washington, D.C. by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $395 in November, and the most expensive are around $483 in August. 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.

Prices by month

Average one-way fares from London to Washington, D.C. by month. Tickets are usually cheapest in September (around $725) and priciest in July (about $1,040) — use the table and chart below to pick the best time to fly.

Month	Average price	Level	Month	Average price	Level	Month	Average price	Level
Jan	$750	low	May	$871	medium	Sep	$725	low
Feb	$738	low	Jun	$991	high	Oct	$822	medium
Mar	$762	low	Jul	$1,040	high	Nov	$774	low
Apr	$834	medium	Aug	$1,016	high	Dec	$967	high

Some values are estimated based on seasonality.

When to fly

Weather in Washington, D.C.: it is warmest in July (up to 32 °C on average) and coolest in January (around 7 °C). The driest month is October.

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

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

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Destination

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

Book ahead: fares for London — Washington, D.C. 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.
London is served by more than one airport — compare fares and travel time to each before you book.
The cheapest month to fly to Washington, D.C. is usually November — 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.

Flights on the London — Washington, D.C. route are operated by 12 airlines; British Airways runs the most flights (around 39% of all flights). Compare carriers, flight shares and schedules below.

British AirwaysBA
19x/week
WebsiteFleet: 29243M pax/year
- Direct flight LHR → IAD14x/week
  Duration
  8h 22m
  Days
  MTWTFSS
- Direct flight LHR → BWI5x/week
  Duration
  8h 15m
  Days
  MTWTFSS
39.4%Open →
United AirlinesUA
9x/week
WebsiteFleet: 956165M pax/year
- Direct flight LHR → IAD9x/week
  Duration
  8h 15m
  Days
  MTWTFSS
19.7%Open →
Aer LingusEI
8x/week
WebsiteFleet: 5710.7M pax/year
- Direct flight LHR → IAD8x/week
  Duration
  8h 15m
  Days
  MTWTFSS
- Direct flight LHR → BWI1x/week
16.9%Open →
Virgin AtlanticVS
5x/week
WebsiteFleet: 415.3M pax/year
- Direct flight LHR → IAD5x/week
9.9%Open →
LufthansaLH
2x/week
WebsiteFleet: 38764.5M pax/year
- Direct flight LHR → IAD2x/week
3.5%Open →
FinnairAY
1x/week
WebsiteFleet: 7911M pax/year
- Direct flight LHR → IAD1x/week
- Direct flight LHR → BWI1x/week
2.1%Open →
American AirlinesAA
1x/week
WebsiteFleet: 965211M pax/year
- Direct flight LHR → IAD1x/week
- Direct flight LHR → BWI1x/week
2.1%Open →
IberiaIB
1x/week
WebsiteFleet: 9224M pax/year
- Direct flight LHR → IAD1x/week
- Direct flight LHR → BWI1x/week
1.4%Open →
KLMKL
1x/week
WebsiteFleet: 11230.3M pax/year
- Direct flight LHR → IAD1x/week
0.7%Open →
SwissLX
1x/week
WebsiteFleet: 11221.1M pax/year
- Direct flight LHR → IAD1x/week
0.7%Open →
AustrianOS
1x/week
WebsiteFleet: 6814.6M pax/year
- Direct flight LHR → IAD1x/week
0.7%Open →
Air CanadaAC
1x/week
WebsiteFleet: 20346M pax/year
- Direct flight LHR → IAD1x/week
0.7%Open →

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

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

Departure

London

LON

United Kingdom

About the city How to get there Weather All about the country United Kingdom

Arrival

Washington, D.C.

WAS

United States

About the city How to get there Weather All about the country United States

Departure airports

Heathrow AirportLHR
About the airport
London Gatwick AirportLGW
About the airport
Stansted AirportSTN
About the airport
London Luton AirportLTN
About the airport
London City AirportLCY
About the airport
London Southend AirportSEN
About the airport

Arrival airports

Washington Dulles International AirportIAD
About the airport
Baltimore/Washington International Thurgood Marshall AirportBWI
About the airport
Ronald Reagan National AirportDCA
About the airport

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

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

A nonstop London — Washington, D.C. flight takes about 8 h — the distance between the cities is around 5,913 km.

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

The distance from London to Washington, D.C. is about 5,913 km, which a nonstop flight covers in around 8 h.

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

Yes, there are nonstop flights London — Washington, D.C. — around 142 flights per week.

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

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

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

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

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

The price of a London — Washington, D.C. ticket depends on your travel date, season and demand: it is usually cheapest to fly in November, and most expensive in August. Tickets typically cost between $395 and $483. Check the current lowest fare and low-price calendar on this page.

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

Flights London — Washington, D.C. 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 November. Compare prices by month in the price trend chart on this page.

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

To catch a low fare London — Washington, D.C., 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 November.

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.

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About the London — Washington, D.C. flight

Facts about this route

Flight schedule from London to Washington, D.C.

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

Prices by month

When to fly

Temperature · Washington, D.C.

Dry and wet days · Washington, D.C.

Wind speed and direction · Washington, D.C.

We'll let you know if you need a visa

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

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

London

Washington, D.C.

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Where else you can fly from London

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

Other popular routes

Other popular routes