Cheap flights from London to Washington

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London (LON)
Washington (WAS)
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The best prices from London to Washington are usually found in February or November, booked 34 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

How to find the cheapest flight from
London (LON) to Washington (WAS)

All the information you need to plan the best LON to WAS flight in 2021: compare London to Washington flight prices with the expected peak season, weather and rainfall in Washington.
LON - WAS
Price
£407 - £593
WAS
Temperature
9 - 32 °C
WAS
Rainfall
60 - 107 mm

Popular in

July

High demand for flights, 18% potential price rise

Cheapest in

February

Best time to find cheap flights, 17% potential price drop

Round-trip from

£407

From London to Washington

One-way from

£211

One-way flight from London to Washington

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from London to Washington?

Flights from London to Washington are generally found to be more expensive on Saturday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington.

How far in advance should I book a flight from London to Washington?

Users have found that booking a flight from London to Washington at least 34 days early can save you up to 27% on average compared to booking a flight this week. If booking 34 days before your flight isn’t an option for you, users have found flights from London to Washington for as little as £533 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £622 for flights departing within the next 3 days.

What is the cheapest month to fly from London to Washington?

The best pricing can be found in the month of February. Prices to Washington from London average £487. You can even find prices in February for less than £487, as users have found deals to Washington from as low as £326. The month of July appears to be one of the more expensive times to travel to Washington from London. Flying in the targeted month can save you up to 21%.

When is the cheapest time to fly from London to Washington (LON - WAS)?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 19% on flights from London to Washington by exploring options for tickets at midday.

Cheap flights from London to Washington in April, May 2021

The best prices found for LON to WAS flights in April, May
12 May - 19 May
£263pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
1 May - 27 Jul
£267pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 May - 30 May
£271pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

London to Washington 2021 flight deals

Cheap flights to Washington from London found for this year
14 Jun - 28 Jun
£260pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
4 Sep - 18 Sep
£262pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
12 May - 19 May
£263pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Direct flights to Washington from London

Save time with London to Washington direct flight deals
11 May - 25 May
£298pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow
12 May - 19 May
£299pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow
1 May - 13 May
£300pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow

Last-minute flights from London to Washington

Late deals on return flights to Washington from London, departing today and this week
23 Apr - 5 May
£312pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 Apr - 7 May
£317pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 Apr - 5 May
£393pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Washington from London

The cheapest one-way flights from London to Washington
08:45 - 12:05
Virgin Atlantic
Direct
8h 20m
LHR - IAD
Virgin Atlantic
£212
Travel2Be
11:10 - 17:42
Multiple Airlines
3 stops
35h 32m
LTN - IAD
Multiple Airlines
£216
Kiwi.com
02:30 - 13:37
KLM
2 stops
16h 07m
LHR - IAD
KLM
£217
lastminute.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">London</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From London to Washington

Are flight prices decreasing from London to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both London and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from London to Washington to control the spread of COVID-19?

Delta and Alitalia are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travellers booking flights from London to Washington include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.

Which airlines flying from London to Washington have flexible cancellations due to COVID-19?

Some of the carriers operating flights from London to Washington that may be offering flexible cancellation policies are Virgin Atlantic, United Airlines, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from London to Washington for under £291 on Cheapflights?

Yes, there are multiple flights from London to Washington for under £291. The cheapest flight booked recently is on TAP AIR PORTUGAL for just £260, but on average you can expect to pay £270.

Are there direct flights from London to Washington for under £364 on Cheapflights?

Cheapflights has 20 direct flights from London to Washington under £364. A good price for a direct flight from London to Washington is less than £312.

Are there last-minute flights available from London to Washington for under £364?

There are currently 20+ open flights from London to Washington within the next 7 days for less than £364.

Is London weather warmer or cooler than Washington?

Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in Washington is typically hotter than in London. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from London to Washington?

Departing from London to Washington will take you 8h 20m. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to flying from London to Washington return?

According to our current data, TAP AIR PORTUGAL (£261), Lufthansa (£280), and Air Canada (£282) offers the cheapest pricing from London to Washington. TAP AIR PORTUGAL is 46% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from London to Washington one-way?

One-way options have recently been found by users for as low as £212 on Virgin Atlantic. Another option is KLM, who have fights from £217.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from London to Washington.
Today's exchange rate
£1 = $1.38
Flight duration
7h 55m
Average temperature for April in Washington
21.0 °C
Avg rainfall for April in Washington
83.0 mm

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Airports servicing Washington

Reagan National (DCA)

Top 10 airlines flying from London to Washington

The chart below displays the airlines Cheapflights users travelling from London to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
TAP AIR PORTUGAL
£420 £585 No cancel fee N/A
Search TAP AIR PORTUGAL flights
Air Canada
£394 £708 No cancel fee 67%
Search Air Canada flights
American Airlines
£406 £715 No cancel fee 71%
Search American Airlines flights
SAS
£414 £725 No cancel fee 77%
Search SAS flights
Royal Air Maroc
£688 £751 No cancel fee 75%

We couldn't confirm the COVID-19 safety measures taken by Royal Air Maroc. Please check directly on their website for additional information.

Search Royal Air Maroc flights
SWISS
£645 £775 No cancel fee 79%
Search SWISS flights
Finnair
£500 £777 No cancel fee 76%
Search Finnair flights
Brussels Airlines
£479 £779 No cancel fee N/A
Search Brussels Airlines flights
Air France
£469 £781 No cancel fee 77%
Search Air France flights
Iberia
£451 £897 No cancel fee 77%
Search Iberia flights

Hourly flight availability from London to Washington

See what time of day planes typically take off from London towards Washington.
Morning 6 AM to midday 54% of LON to US-WAS departures
Afternoon Midday to 6 PM 45% of LON to US-WAS departures
Early morning Midnight to 6 AM 1% of LON to US-WAS departures
Evening 6 PM to midnight 0% of LON to US-WAS departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from London to Washington
See how many times per day planes take to the skies headed from London to Washington.
Sunday
11 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
11 daily flights
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