Cheap flights from London to Washington

42 nonstop flights a week. Operated by 3 airlines, about 8h 28m in the air, 3,665 mi (5,898 km). Tickets from $410, nonstop from $686.

Flights from London to Washington

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: London to Washington

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from London to Washington

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

London to Washington at a glance

flight time, from 8h 15m to 8h 55m
8h 28m
straight-line distance
3,665 mi (5,898 km)
flights a week
42
next flight
10 November
first and last departure
12:05 - 16:25
lowest price, with a connection, 14 December
$410
lowest nonstop price
$686
airlines
3

London to Washington ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $410. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is November 2026: from $478. The average across months is $450.

London to Washington flight schedule

42 flights a week, 8 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
UA 919
United Airlines
12:05 London Heathrow, terminal 2
15:40 Washington Dulles International
8h 35m
Daily
Boeing 777
BA 217
British Airways
12:15 London Heathrow, terminal 5
15:40 Washington Dulles International
8h 25m
Daily
Boeing 777
VS 21
Virgin Atlantic
13:05 London Heathrow, terminal 3
16:45 Washington Dulles International
8h 40m
Sat, Sun
Airbus A330-300
VS 21
Virgin Atlantic
13:20 London Heathrow, terminal 3
17:00 Washington Dulles International
8h 40m
Mon, Tue, Wed, Thu
Airbus A330-300
BA 229
British Airways
13:50 London Heathrow, terminal 3
17:05 Baltimore/Wash International Thurgood Marshall
8h 15m
Daily
Boeing 777
VS 21
Virgin Atlantic
14:00 London Heathrow, terminal 3
17:40 Washington Dulles International
8h 40m
Fri
Airbus A330-900
UA 925
United Airlines
16:20 London Heathrow, terminal 2
20:15 Washington Dulles International
8h 55m
Daily
Boeing 767-300
BA 293
British Airways
16:25 London Heathrow, terminal 5
19:55 Washington Dulles International
8h 30m
Daily
Boeing 787

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 28 March.

FlightDepartsArrivesDurationDaysAircraft
UA 919
United Airlines
12:15 London Heathrow, terminal 2
15:30 Washington Dulles International
8h 15m
Seasonal
Boeing 777
BA 217
British Airways
12:35 London Heathrow, terminal 5
15:50 Washington Dulles International
8h 15m
Seasonal
Boeing 777
BA 229
British Airways
13:30 London Heathrow, terminal 5
16:45 Baltimore/Wash International Thurgood Marshall
8h 15m
Seasonal
Boeing 787-800
BA 291
British Airways
14:00 London Heathrow, terminal 5
17:25 Washington Dulles International
8h 25m
Seasonal
Boeing 777
UA 925
United Airlines
16:40 London Heathrow, terminal 2
20:15 Washington Dulles International
8h 35m
Seasonal
Boeing 767-300
BA 293
British Airways
17:05 London Heathrow, terminal 5
20:20 Washington Dulles International
8h 15m
Seasonal
Boeing 777
VS 21
Virgin Atlantic
17:10 London Heathrow, terminal 3
20:40 Washington Dulles International
8h 30m
Seasonal
Airbus A330-900
BA 229
British Airways
13:15 London Heathrow, terminal 5
16:30 Baltimore/Wash International Thurgood Marshall
8h 15m
Seasonal
Boeing 787-800

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 5 hours behind London. The search shows seat availability and the price for your date.

Airlines flying London to Washington

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Airports

Where flights from London to Washington depart and land

Departure from London

42 flights a week, terminals 2, 3, 5, 14 mi (23 km) from the city centre

Arrival in Washington

Washington Dulles International closest to the centreIAD

35 flights a week, 22 mi (36 km) from the city centre

7 flights a week, 28 mi (45 km) from the city centre

When to visit Washington

Weather by month

Best time to visit: April, May, September and October, +20° to +26° by day. In November it is +14° by day and +4° at night, with 8 rainy days.

Jan
+6° −2° 8 days
Feb
+9° −1° 10 days
Mar
+15° +3° 8 days
Apr
+20° +8° 11 days
May
+24° +13° 12 days
Jun
+29° +18° 12 days
Jul
+31° +21° 16 days
Aug
+30° +20° 13 days
Sep
+26° +17° 11 days
Oct
+20° +10° 8 days
Nov
+14° +4° 8 days
Dec
+9° 0° 9 days

Daytime and night temperatures in °C, rainy days. Months with the most comfortable weather are in green. Long-term averages.

Frequently asked questions

How long is the flight from London to Washington?
A nonstop flight takes 8 hours 28 minutes on average, from 8h 15m to 8h 55m depending on the flight.
How far is Washington from London?
3,665 mi (5,898 km) in a straight line between the cities.
Which airlines fly nonstop from London to Washington?
British Airways (21 a week), United Airlines (14 a week) and Virgin Atlantic (7 a week).
How many flights a day are there from London to Washington?
There are 42 a week, about 6 a day on average.
When are the first and last flights from London to Washington?
The first departure is at 12:05 (UA919), the last at 16:25 (BA293). Local time.
What is the cheapest month to fly from London to Washington?
December 2026: tickets from $410. The most expensive is November 2026, from $478.
What is the cheapest upcoming date to fly from London to Washington?
14 December 2026 (Monday): from $410 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from London to Washington?
United Airlines: nonstop tickets from $686 on 9 January by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between London and Washington?
Washington is 5 hours behind London. Schedule times on this page are local to each airport.
Which London airport do flights to Washington leave from?
London Heathrow (42 a week).
Which Washington airport is closest to the city centre?
Washington Dulles International (IAD), 22 mi (36 km) from the city centre. Others: Baltimore/Wash International Thurgood Marshall 28 mi (45 km).