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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

October
November
December
January
February
March
April
August
September

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

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
TAP Air Portugal
TAP Air Portugal

IAD

17:50

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

15h 10m
ellipse
1 Stop

LGW

14:00

London

London Gatwick Airport

Thu, 16 Oct 2025

£170
Swiss
Swiss

IAD

20:45

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

16h 10m
ellipse
1 Stop

LGW

17:55

London

London Gatwick Airport

Thu, 16 Oct 2025

£315
British Airways
British Airways

IAD

16:35

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

13h 20m
ellipse
1 Stop

LGW

10:55

London

London Gatwick Airport

Thu, 16 Oct 2025

£377
Iberia
Iberia

IAD

16:35

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

13h 20m
ellipse
1 Stop

LGW

10:55

London

London Gatwick Airport

Thu, 16 Oct 2025

£377
Icelandair
Icelandair

IAD

23:15

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

10h 25m
ellipse
1 Stop

LGW

14:40

London

London Gatwick Airport

Thu, 16 Oct 2025

£382
Royal Air Maroc
Royal Air Maroc

IAD

21:05

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

13h 35m
ellipse
1 Stop

LGW

15:40

London

London Gatwick Airport

Thu, 16 Oct 2025

£426
Turkish Airlines
Turkish Airlines

IAD

13:30

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

15h 25m
ellipse
1 Stop

LGW

09:55

London

London Gatwick Airport

Thu, 16 Oct 2025

£458
Turkish Airlines
Turkish Airlines

IAD

21:40

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

19h 40m
ellipse
1 Stop

LGW

22:20

London

London Gatwick Airport

Thu, 16 Oct 2025

£2939
Iberia
Iberia

IAD

17:20

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

21h 40m
ellipse
2 Stop

LGW

20:00

London

London Gatwick Airport

Thu, 16 Oct 2025

£5376
KLM Royal Dutch Airlines
KLM Royal Dutch Airlines

IAD

17:25

Washington

Washington Dulles International Airport

Wed , 15 Oct 2025

18h 05m
ellipse
2 Stop

LGW

16:30

London

London Gatwick Airport

Thu, 16 Oct 2025

£7709
ellipse

Early Morning Flight Washington to London

wallet
Cheapest Flight
Found
£458
group
Average Flight
Time
15h 25m
calendra
Date/Time
15 Oct 2025
13:30 PM
plane
Airlines
Turkish Airlines
Ellipse

Late Night Flight Washington to London

wallet
Cheapest Flight
Found
£382
group
Average Flight
Time
10h 25m
calendar
Date/Time
15 Oct 2025
23:15 PM
plane
Airlines
Icelandair

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 Gatwick Airport (LGW). You can expect a flight distance of approximately 5931 km, and most direct services cover it in around 20:56.

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 5931 km
Average Flight Time 20:56 hrs
Departure Airport Washington Dulles International Airport (IAD)
Arrival Airport London Gatwick Airport (LGW)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines TAP Air Portugal, Swiss, British Airways, Iberia

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?