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

June
August
September
October
November
December
January
February
March
April

June is by far the best month, wherein you can get cheapest flights for London to Washington. Meanwhile, January 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
June

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

round Round Trip Fare
June

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

Cheaper Fare
£ 425

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

American Airlines
American Airlines

London

07:50

London

London Heathrow Airport

Wed , 24 Jun 2026

12h 40m
ellipse
1 Stop

Washington

15:30

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£438
American Airlines
American Airlines

London

06:15

London

London Heathrow Airport

Wed , 24 Jun 2026

14h 15m
ellipse
1 Stop

Washington

15:30

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£438
British Airways
British Airways

London

16:50

London

London Heathrow Airport

Wed , 24 Jun 2026

27h 55m
ellipse
1 Stop

Washington

15:45

Washington

Washington Dulles International Airport

Thu, 25 Jun 2026

£506
American Airlines
American Airlines

London

15:00

London

London Heathrow Airport

Wed , 24 Jun 2026

14h 13m
ellipse
1 Stop

Washington

00:13

Washington

Washington Dulles International Airport

Thu, 25 Jun 2026

£506
Aer Lingus
Aer Lingus

London

16:50

London

London Heathrow Airport

Wed , 24 Jun 2026

27h 55m
ellipse
1 Stop

Washington

15:45

Washington

Washington Dulles International Airport

Thu, 25 Jun 2026

£507
TAP Air Portugal
TAP Air Portugal

London

06:00

London

London Heathrow Airport

Wed , 24 Jun 2026

14h 10m
ellipse
1 Stop

Washington

15:10

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£522
Lufthansa
Lufthansa

London

08:30

London

London Heathrow Airport

Wed , 24 Jun 2026

16h 30m
ellipse
1 Stop

Washington

20:00

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£545
Aer Lingus
Aer Lingus

London

21:10

London

London Heathrow Airport

Wed , 24 Jun 2026

23h 35m
ellipse
1 Stop

Washington

15:45

Washington

Washington Dulles International Airport

Thu, 25 Jun 2026

£546
United Airlines
United Airlines

London

06:55

London

London Heathrow Airport

Wed , 24 Jun 2026

13h 10m
ellipse
1 Stop

Washington

15:05

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£547
United Airlines
United Airlines

London

10:50

London

London Heathrow Airport

Wed , 24 Jun 2026

13h 35m
ellipse
1 Stop

Washington

19:25

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£547
British Airways
British Airways

London

12:00

London

London Heathrow Airport

Wed , 24 Jun 2026

12h 33m
ellipse
1 Stop

Washington

19:33

Washington

Washington Dulles International Airport

Wed, 24 Jun 2026

£548
ellipse

Find the Lowest Airfare London to Washington

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£425
07 June 2026
Icelandair
15:40 PM
Cheapest Airfare Within 30 Days
£425
07 June 2026
Icelandair
15:40 PM
Cheapest Airfare Within 90 Days
£425
07 June 2026
Icelandair
15:40 PM
ellipse

Early Morning Flight London to Washington

wallet
Cheapest Flight
Found
£522
group
Average Flight
Time
14h 10m
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Date/Time
24 Jun 2026
06:00 AM
plane
Airlines
TAP Air Portugal
Ellipse

Late Night Flight London to Washington

wallet
Cheapest Flight
Found
£506
group
Average Flight
Time
27h 55m
calendar
Date/Time
24 Jun 2026
16:50 PM
plane
Airlines
British Airways

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 12:19.

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 12:19 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 NO
Common Airlines American Airlines, British Airways, Aer Lingus, TAP Air Portugal

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?