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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(s)

Economy

June
July
August
September
October
November
December
January
February
March
April

June is by far the best month, wherein you can get cheapest flights for Washington to London. Meanwhile, July 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
£ 445

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

Cheapest
Scandinavian Airlines
Scandinavian Airlines

IAD

22:05

Washington

Washington Dulles International Airport

Fri , 23 May 2025

12h 55m
ellipse
1 Stop

LHR

16:00

London

London Heathrow Airport

Sat, 24 May 2025

£858
United Airlines
United Airlines

IAD

22:20

Washington

Washington Dulles International Airport

Fri , 23 May 2025

07h 20m
ellipse
Non Stop

LHR

10:40

London

London Heathrow Airport

Sat, 24 May 2025

£949
Delta Airlines
Delta Airlines

IAD

17:50

Washington

Washington Dulles International Airport

Fri , 23 May 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Sat, 24 May 2025

£1036
Austrian Airlines
Austrian Airlines

IAD

22:20

Washington

Washington Dulles International Airport

Fri , 23 May 2025

07h 20m
ellipse
Non Stop

LHR

10:40

London

London Heathrow Airport

Sat, 24 May 2025

£1187
Lufthansa
Lufthansa

IAD

22:20

Washington

Washington Dulles International Airport

Fri , 23 May 2025

07h 20m
ellipse
Non Stop

LHR

10:40

London

London Heathrow Airport

Sat, 24 May 2025

£1195
Aer Lingus
Aer Lingus

IAD

22:40

Washington

Washington Dulles International Airport

Fri , 23 May 2025

07h 25m
ellipse
Non Stop

LHR

11:05

London

London Heathrow Airport

Sat, 24 May 2025

£1202
Brussels Airlines
Brussels Airlines

IAD

17:45

Washington

Washington Dulles International Airport

Fri , 23 May 2025

11h 30m
ellipse
1 Stop

LHR

10:15

London

London Heathrow Airport

Sat, 24 May 2025

£1330
Delta Airlines
Delta Airlines

IAD

17:50

Washington

Washington Dulles International Airport

Fri , 16 May 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Sat, 17 May 2025

£487
Virgin Atlantic Airways
Virgin Atlantic Airways

IAD

17:50

Washington

Washington Dulles International Airport

Fri , 16 May 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Sat, 17 May 2025

£487
Air France
Air France

IAD

17:50

Washington

Washington Dulles International Airport

Fri , 16 May 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Sat, 17 May 2025

£506
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

IAD

17:50

Washington

Washington Dulles International Airport

Fri , 16 May 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Sat, 17 May 2025

£506
ellipse

Find the Lowest Airfare Washington to London

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£445
05 May 2025
Icelandair
20:30 PM
Cheapest Airfare Within 30 Days
£439
14 June 2025
Icelandair
20:30 PM
Cheapest Airfare Within 90 Days
£439
14 June 2025
Icelandair
20:30 PM
ellipse

Early Morning Flight Washington to London

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Cheapest Flight
Found
£949
group
Average Flight
Time
12h 25m
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Date/Time
23 May 2025
16:35 PM
plane
Airlines
Air Canada
Ellipse

Late Night Flight Washington to London

wallet
Cheapest Flight
Found
£1202
group
Average Flight
Time
07h 25m
calendar
Date/Time
23 May 2025
22:40 PM
plane
Airlines
Aer Lingus

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 14:37.

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 14:37 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 YES
Common Airlines Scandinavian Airlines, United Airlines, Delta Airlines, Austrian 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?