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
£404 - £589
WAS
Temperature
9 - 32 °C
WAS
Precipitation
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

£404

From London to Washington

One-way from

£185

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?

Users have found that flying from London to Washington on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 34 days in advance, which can save you up to 27% on flights from London to Washington compared to booking the week you need them. Waiting 34 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £529. For sooner than that we have options available in the next 3 days from £618.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Washington. Flights to Washington from London in February are about £484 on average during February, but can be found for as low as £324.

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

A simple way to save on the total cost of your ticket is to fly from London to Washington at midday. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.

Cheap flights from London to Washington in September, October 2021

The best prices found for LON to WAS flights in September, October
1 Oct - 3 Oct
£260pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
10 Oct - 27 Oct
£262pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
1 Oct - 3 Oct
£264pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted

London to Washington 2021 flight deals

Cheap flights to Washington from London found for this year
1 Oct - 3 Oct
£260pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
20 Nov - 3 Dec
£261pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
10 Oct - 27 Oct
£262pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted

Direct flights to Washington from London

Save time with London to Washington direct flight deals
18 Jan - 31 Jan
£504pp
LHR
London Heathrow
Virgin Atlantic
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Virgin Atlantic
Direct
LHR
London Heathrow
10 Nov - 29 Nov
£508pp
LHR
London Heathrow
British Airways
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
British Airways
Direct
LHR
London Heathrow
15 Nov - 22 Nov
£508pp
LHR
London Heathrow
Lufthansa
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Lufthansa
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
20 Sep - 27 Sep
£356pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
20 Sep - 30 Sep
£358pp
STN
London Stansted
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
STN
London Stansted
20 Sep - 27 Sep
£373pp
STN
London Stansted
Multiple airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
 
1 STOP
STN
London Stansted

One-way flights to Washington from London

The cheapest one-way flights from London to Washington
14:15 - 11:40
Multiple Airlines
2 stops
26h 25m
STN - IAD
Multiple Airlines
£185
Kiwi.com
13:25 - 14:00
Multiple Airlines
2 stops
29h 35m
LGW - BWI
Multiple Airlines
£186
Combigo
06:00 - 13:34
Multiple Airlines
2 stops
36h 34m
LGW - BWI
Multiple Airlines
£192
Combigo

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

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.

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.

Can I find flights from London to Washington for under £300 on Cheapflights?

Yes, there are multiple flights from London to Washington for under £300. The cheapest flight booked recently is on Multiple Airlines for just £260, but on average you can expect to pay £274.

Are there direct flights from London to Washington for under £600 on Cheapflights?

Cheapflights has 20 direct flights from London to Washington under £600. A good price for a direct flight from London to Washington is less than £524.

Are there last-minute flights available from London to Washington for under £400?

There are currently 20+ open flights from London to Washington within the next 7 days for less than £400.

What days are direct flights available from London to Washington?

Direct flights are available for this route on the following days: Sunday, Wednesday.

How many flights depart from London to Washington on average per day?

6 flight departures from London to Washington per day on average.
Afternoon (Midday - 6pm) - 100% of flight departures

COVID Restrictions

View COVID Travel Restrictions for Washington, DC

Do I need a COVID test to fly to Washington from London?

Information is based on travel restrictions from London to Washington

Most visitors from London will not be allowed to enter Washington.

COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from London are not required to quarantine after entering Washington.

Do I need a test to fly back to London from Washington?

Returning to London from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to London.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering London.

Hide COVID Travel Restrictions for Washington, DC

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 = $1.39
Average temperature for September in Washington
28.0 °C
Avg rainfall for September in Washington
107.0 mm

Airports servicing London

Gatwick (LGW)
London 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%
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.
Afternoon Midday to 6 PM 50% of LON to US-WAS departures
Morning 6 AM to midday 49% 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
23 daily flights
Monday
23 daily flights
Tuesday
23 daily flights
Wednesday
23 daily flights
Thursday
17 daily flights
Friday
23 daily flights
Saturday
23 daily flights
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