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Washington To London 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

August
September
October
November
December
January
February
March
April

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

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

round Round Trip Fare
May

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

Cheaper Fare
£ 435

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 Washington To London

Icelandair
Icelandair

Washington

20:30

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

10h 25m
ellipse
1 Stop

London

11:55

London

London Heathrow Airport

Tue, 02 Jun 2026

£409
Air Canada
Air Canada

Washington

08:18

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

17h 12m
ellipse
1 Stop

London

06:30

London

London Heathrow Airport

Tue, 02 Jun 2026

£461
Royal Air Maroc
Royal Air Maroc

Washington

21:00

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

14h 50m
ellipse
1 Stop

London

16:50

London

London Heathrow Airport

Tue, 02 Jun 2026

£462
United Airlines
United Airlines

Washington

17:30

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

18h 35m
ellipse
1 Stop

London

17:05

London

London Heathrow Airport

Tue, 02 Jun 2026

£462
Delta Airlines
Delta Airlines

Washington

18:59

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

13h 06m
ellipse
1 Stop

London

13:05

London

London Heathrow Airport

Tue, 02 Jun 2026

£465
Delta Airlines
Delta Airlines

Washington

19:33

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

09h 47m
ellipse
1 Stop

London

10:20

London

London Heathrow Airport

Tue, 02 Jun 2026

£466
TAP Air Portugal
TAP Air Portugal

Washington

17:40

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

11h 40m
ellipse
1 Stop

London

10:20

London

London Heathrow Airport

Tue, 02 Jun 2026

£478
ITA Airways
ITA Airways

Washington

16:30

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

18h 10m
ellipse
1 Stop

London

15:40

London

London Heathrow Airport

Tue, 02 Jun 2026

£478
Swiss
Swiss

Washington

20:20

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

15h 05m
ellipse
1 Stop

London

16:25

London

London Heathrow Airport

Tue, 02 Jun 2026

£480
Lufthansa
Lufthansa

Washington

22:20

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

12h 20m
ellipse
1 Stop

London

15:40

London

London Heathrow Airport

Tue, 02 Jun 2026

£485
Swiss
Swiss

Washington

20:20

Washington

Washington Dulles International Airport

Mon , 01 Jun 2026

16h 30m
ellipse
1 Stop

London

17:50

London

London Heathrow Airport

Tue, 02 Jun 2026

£486
ellipse

Find the Lowest Airfare Washington to London

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£435
30 May 2026
TAP Air Portugal
22:35 PM
Cheapest Airfare Within 30 Days
£435
30 May 2026
TAP Air Portugal
22:35 PM
Cheapest Airfare Within 90 Days
£435
30 May 2026
TAP Air Portugal
22:35 PM
ellipse

Early Morning Flight Washington to London

wallet
Cheapest Flight
Found
£461
group
Average Flight
Time
17h 12m
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Date/Time
01 Jun 2026
08:18 AM
plane
Airlines
Air Canada
Ellipse

Late Night Flight Washington to London

wallet
Cheapest Flight
Found
£462
group
Average Flight
Time
14h 50m
calendar
Date/Time
01 Jun 2026
21:00 PM
plane
Airlines
Royal Air Maroc

Flights from Washington to London with Easemytrip

Flying from Washington to London 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 Washington to London is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Washington Dulles International Airport (IAD) and London Heathrow Airport (LHR). You can expect a flight distance of approximately 5901 km, and most direct services cover it in around 19:20.

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

Travel Overview: Washington to London

Flight Details Information
Route Distance 5901 km
Average Flight Time 19:20 hrs
Departure Airport Washington Dulles International Airport (IAD)
Arrival Airport London Heathrow Airport (LHR)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines Icelandair, Air Canada, Royal Air Maroc, United Airlines

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 Washington to London

Are there direct flights from Washington to London?

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?