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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

calender

Friday

Return Date

Book a round trip
to save more

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TRAVELLER & CLASS

1 Traveller

Economy

April
August
September
October
November
December
January
February
March

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.

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

TAP Air Portugal
TAP Air Portugal

Washington

22:35

Washington

Washington Dulles International Airport

Tue , 09 Jun 2026

14h 10m
ellipse
1 Stop

London

17:45

London

London Heathrow Airport

Wed, 10 Jun 2026

£316
TAP Air Portugal
TAP Air Portugal

Washington

22:35

Washington

Washington Dulles International Airport

Tue , 02 Jun 2026

18h 25m
ellipse
1 Stop

London

22:00

London

London Heathrow Airport

Wed, 03 Jun 2026

£329
TAP Air Portugal
TAP Air Portugal

Washington

17:05

Washington

Washington Dulles International Airport

Fri , 05 Jun 2026

12h 15m
ellipse
1 Stop

London

10:20

London

London Heathrow Airport

Sat, 06 Jun 2026

£368
Icelandair
Icelandair

Washington

20:30

Washington

Washington Dulles International Airport

Wed , 03 Jun 2026

18h 50m
ellipse
1 Stop

London

20:20

London

London Heathrow Airport

Thu, 04 Jun 2026

£371
Icelandair
Icelandair

Washington

20:30

Washington

Washington Dulles International Airport

Tue , 02 Jun 2026

10h 25m
ellipse
1 Stop

London

11:55

London

London Heathrow Airport

Wed, 03 Jun 2026

£409
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
Royal Air Maroc
Royal Air Maroc

Washington

21:00

Washington

Washington Dulles International Airport

Sat , 27 Jun 2026

14h 50m
ellipse
1 Stop

London

16:50

London

London Heathrow Airport

Sun, 28 Jun 2026

£412
Royal Air Maroc
Royal Air Maroc

Washington

21:00

Washington

Washington Dulles International Airport

Tue , 23 Jun 2026

14h 50m
ellipse
1 Stop

London

16:50

London

London Heathrow Airport

Wed, 24 Jun 2026

£413
Royal Air Maroc
Royal Air Maroc

Washington

21:00

Washington

Washington Dulles International Airport

Sun , 28 Jun 2026

14h 50m
ellipse
1 Stop

London

16:50

London

London Heathrow Airport

Mon, 29 Jun 2026

£413
United Airlines
United Airlines

Washington

22:15

Washington

Washington Dulles International Airport

Wed , 03 Jun 2026

07h 25m
ellipse
Non Stop

London

10:40

London

London Heathrow Airport

Thu, 04 Jun 2026

£456
Delta Airlines
Delta Airlines

Washington

08:05

Washington

Washington Dulles International Airport

Wed , 03 Jun 2026

17h 20m
ellipse
1 Stop

London

06:25

London

London Heathrow Airport

Thu, 04 Jun 2026

£460
ellipse

Early Morning Flight Washington to London

wallet
Cheapest Flight
Found
£460
group
Average Flight
Time
17h 20m
calendra
Date/Time
03 Jun 2026
08:05 AM
plane
Airlines
Delta Airlines
Ellipse

Late Night Flight Washington to London

wallet
Cheapest Flight
Found
£316
group
Average Flight
Time
14h 10m
calendar
Date/Time
09 Jun 2026
22:35 PM
plane
Airlines
TAP Air Portugal

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 18:58.

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 18:58 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 TAP Air Portugal, Icelandair, 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?