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London To Washington Flights

  • One-Way
  • Round-Trip
  • Multi-City

From

Indira Gandhi International Airport

To

Chhatrapati Shivaji International Airport

DEPARTURE DATE

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Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

September
October
November
December
January
February
March
April
August

October is by far the best month, wherein you can get cheapest flights for London to Washington. Meanwhile, November is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.

Things to know
arrow One Way Fare
October

October- During this month the footfall is less so, the flight is gradually inexpensive.

round Round Trip Fare
October

October - is the cheapest month to book round trip flights.

Cheaper Fare
£ 458

Cheapest Fare- Currently, this is the fare price based on the current demand.

disclDisclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Best Flight From London To Washington

Cheapest
Air Canada
Air Canada

LHR

14:05

London

London Heathrow Airport

Mon , 01 Sep 2025

12h 07m
ellipse
1 Stop

IAD

21:12

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£501
American Airlines
American Airlines

LHR

17:00

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 10m
ellipse
Non Stop

IAD

20:10

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£935
Air France
Air France

LHR

09:00

London

London Heathrow Airport

Mon , 01 Sep 2025

12h 20m
ellipse
1 Stop

IAD

16:20

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£944
Royal Air Maroc
Royal Air Maroc

LHR

18:10

London

London Heathrow Airport

Mon , 01 Sep 2025

29h 55m
ellipse
1 Stop

IAD

19:05

Washington

Washington Dulles International Airport

Tue, 02 Sep 2025

£1498
Avianca
Avianca

LHR

22:05

London

London Heathrow Airport

Mon , 01 Sep 2025

20h 55m
ellipse
1 Stop

IAD

14:00

Washington

Washington Dulles International Airport

Tue, 02 Sep 2025

£2446
British Airways
British Airways

LHR

12:45

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 15m
ellipse
Non Stop

IAD

16:00

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£2583
Air France
Air France

LHR

09:00

London

London Heathrow Airport

Mon , 01 Sep 2025

15h 15m
ellipse
1 Stop

IAD

19:15

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£6360
American Airlines
American Airlines

LHR

14:30

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 05m
ellipse
Non Stop

IAD

17:35

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£7252
Finnair
Finnair

LHR

12:45

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 15m
ellipse
Non Stop

IAD

16:00

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£8042
Finnair
Finnair

LHR

17:00

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 10m
ellipse
Non Stop

IAD

20:10

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£8042
Air France
Air France

LHR

12:35

London

London Heathrow Airport

Mon , 01 Sep 2025

08h 25m
ellipse
Non Stop

IAD

16:00

Washington

Washington Dulles International Airport

Mon, 01 Sep 2025

£8196
ellipse

Find the Lowest Airfare London to Washington

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£458
25 September 2025
Icelandair
13:05 PM
Cheapest Airfare Within 30 Days
£393
23 October 2025
TAP Air Portugal
10:35 AM
Cheapest Airfare Within 90 Days
£393
23 October 2025
TAP Air Portugal
10:35 AM
ellipse

Early Morning Flight London to Washington

wallet
Cheapest Flight
Found
£944
group
Average Flight
Time
12h 20m
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Date/Time
01 Sep 2025
09:00 AM
plane
Airlines
Air France
Ellipse

Late Night Flight London to Washington

wallet
Cheapest Flight
Found
£1498
group
Average Flight
Time
29h 55m
calendar
Date/Time
01 Sep 2025
18:10 PM
plane
Airlines
Royal Air Maroc

Flights from London to Washington with Easemytrip

Flying from London to Washington has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.

The air route between London to Washington is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Heathrow Airport (LHR) and Washington Dulles International Airport (IAD). You can expect a flight distance of approximately 5901 km, and most direct services cover it in around 07:42.

Let’s take a closer look at everything you need to know before booking your flight from London to Washington.

Travel Overview: London to Washington

Flight Details Information
Route Distance 5901 km
Average Flight Time 07:42 hrs
Departure Airport London Heathrow Airport (LHR)
Arrival Airport Washington Dulles International Airport (IAD)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights YES
Common Airlines Air Canada, American Airlines, Air France, Royal Air Maroc

The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.

Read more

FAQs about flights from London to Washington

Are there direct flights from London to Washington?

How early should I book?

Which airlines offer the most frequent service?

Is it cheaper to fly round-trip or one-way?

Can I mix airlines for departure and return?

Is it possible to change or cancel my booking after confirmation?

Can I book additional baggage or in-flight services in advance?