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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

July
August
September
October
November
December
January
February
March
April

August 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
August

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

round Round Trip Fare
August

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

Cheaper Fare
£ 513

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
Virgin Atlantic Airways
Virgin Atlantic Airways

IAD

17:50

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Fri, 25 Jul 2025

£467
Delta Airlines
Delta Airlines

IAD

17:50

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Fri, 25 Jul 2025

£483
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

IAD

17:50

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Fri, 25 Jul 2025

£485
United Airlines
United Airlines

IAD

08:35

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

16h 20m
ellipse
1 Stop

LHR

05:55

London

London Heathrow Airport

Fri, 25 Jul 2025

£496
Swiss
Swiss

IAD

20:45

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

11h 15m
ellipse
1 Stop

LHR

13:00

London

London Heathrow Airport

Fri, 25 Jul 2025

£526
Lufthansa
Lufthansa

IAD

15:25

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

11h 15m
ellipse
1 Stop

LHR

07:40

London

London Heathrow Airport

Fri, 25 Jul 2025

£542
Scandinavian Airlines
Scandinavian Airlines

IAD

22:05

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

12h 55m
ellipse
1 Stop

LHR

16:00

London

London Heathrow Airport

Fri, 25 Jul 2025

£562
Air France
Air France

IAD

17:50

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 30m
ellipse
Non Stop

LHR

06:20

London

London Heathrow Airport

Fri, 25 Jul 2025

£589
Finnair
Finnair

IAD

22:40

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 25m
ellipse
Non Stop

LHR

11:05

London

London Heathrow Airport

Fri, 25 Jul 2025

£642
Iberia
Iberia

IAD

22:40

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 25m
ellipse
Non Stop

LHR

11:05

London

London Heathrow Airport

Fri, 25 Jul 2025

£647
Aer Lingus
Aer Lingus

IAD

22:40

Washington

Washington Dulles International Airport

Thu , 24 Jul 2025

07h 25m
ellipse
Non Stop

LHR

11:05

London

London Heathrow Airport

Fri, 25 Jul 2025

£672
ellipse

Find the Lowest Airfare Washington to London

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£513
12 July 2025
Delta Airlines
18:55 PM
Cheapest Airfare Within 30 Days
£442
02 August 2025
Icelandair
20:30 PM
Cheapest Airfare Within 90 Days
£442
02 August 2025
Icelandair
20:30 PM
ellipse

Early Morning Flight Washington to London

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Cheapest Flight
Found
£496
group
Average Flight
Time
16h 20m
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Date/Time
24 Jul 2025
08:35 AM
plane
Airlines
United Airlines
Ellipse

Late Night Flight Washington to London

wallet
Cheapest Flight
Found
£642
group
Average Flight
Time
07h 25m
calendar
Date/Time
24 Jul 2025
22:40 PM
plane
Airlines
Finnair

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 16:14.

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 16:14 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 Virgin Atlantic Airways, Delta Airlines, KLM Royal Dutch Airlines, 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?