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London To Washington 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

July
August
September
October
November
December
January
February
March
April

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

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

round Round Trip Fare
September

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

Cheaper Fare
£ 668

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 London To Washington

Cheapest
Finnair
Finnair

LHR

19:05

London

London Heathrow Airport

Mon , 28 Jul 2025

33h 06m
ellipse
1 Stop

DCA

23:11

Washington

Ronald Reagan Washington National Airport

Tue, 29 Jul 2025

£704
Delta Airlines
Delta Airlines

LHR

16:05

London

London Heathrow Airport

Mon , 28 Jul 2025

12h 30m
ellipse
1 Stop

DCA

23:35

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£734
Air France
Air France

LHR

09:35

London

London Heathrow Airport

Mon , 28 Jul 2025

13h 39m
ellipse
1 Stop

DCA

18:14

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£789
American Airlines
American Airlines

LHR

11:00

London

London Heathrow Airport

Mon , 28 Jul 2025

12h 29m
ellipse
1 Stop

DCA

18:29

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£889
American Airlines
American Airlines

LHR

17:00

London

London Heathrow Airport

Mon , 28 Jul 2025

11h 11m
ellipse
1 Stop

DCA

23:11

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£902
United Airlines
United Airlines

LHR

08:00

London

London Heathrow Airport

Mon , 28 Jul 2025

12h 22m
ellipse
1 Stop

DCA

15:22

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£906
JetBlue Airways
JetBlue Airways

LHR

08:25

London

London Heathrow Airport

Mon , 28 Jul 2025

11h 38m
ellipse
1 Stop

DCA

15:03

Washington

Ronald Reagan Washington National Airport

Mon, 28 Jul 2025

£945
Finnair
Finnair

LHR

17:00

London

London Heathrow Airport

Tue , 29 Jul 2025

11h 11m
ellipse
1 Stop

DCA

23:11

Washington

Ronald Reagan Washington National Airport

Tue, 29 Jul 2025

£1070
TAP Air Portugal
TAP Air Portugal

LHR

06:00

London

London Heathrow Airport

Mon , 04 Aug 2025

19h 03m
ellipse
2 Stop

DCA

20:03

Washington

Ronald Reagan Washington National Airport

Mon, 04 Aug 2025

£1072
LOT Polish Airlines
LOT Polish Airlines

LHR

18:10

London

London Heathrow Airport

Mon , 28 Jul 2025

33h 48m
ellipse
2 Stop

DCA

22:58

Washington

Ronald Reagan Washington National Airport

Tue, 29 Jul 2025

£1073
TAP Air Portugal
TAP Air Portugal

LHR

06:00

London

London Heathrow Airport

Thu , 31 Jul 2025

19h 03m
ellipse
2 Stop

DCA

20:03

Washington

Ronald Reagan Washington National Airport

Thu, 31 Jul 2025

£1095
ellipse

Find the Lowest Airfare London to Washington

Cheapest Fares
Fare
Date
Airline
Departure
Lowest Airfare
£668
23 July 2025
Icelandair
21:25 PM
Cheapest Airfare Within 30 Days
£603
17 August 2025
TAP Air Portugal
19:50 PM
Cheapest Airfare Within 90 Days
£458
25 September 2025
Icelandair
13:05 PM
ellipse

Early Morning Flight London to Washington

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Cheapest Flight
Found
£1095
group
Average Flight
Time
19h 03m
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Date/Time
31 Jul 2025
06:00 AM
plane
Airlines
TAP Air Portugal
Ellipse

Late Night Flight London to Washington

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Cheapest Flight
Found
£1922
group
Average Flight
Time
21h 45m
calendar
Date/Time
28 Jul 2025
20:10 PM
plane
Airlines
American Airlines

Flights from London to Washington with Easemytrip

Flying from London to Washington 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 London to Washington is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between London Heathrow Airport (LHR) and Ronald Reagan Washington National Airport (DCA). You can expect a flight distance of approximately 5880 km, and most direct services cover it in around 09:49.

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

Travel Overview: London to Washington

Flight Details Information
Route Distance 5880 km
Average Flight Time 09:49 hrs
Departure Airport London Heathrow Airport (LHR)
Arrival Airport Ronald Reagan Washington National Airport (DCA)
Cabin Classes Available Economy Class, Premium Economy, Business Class, First Class
Direct Flights NO
Common Airlines Finnair, Delta Airlines, Air France, American 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 London to Washington

Are there direct flights from London to Washington?

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?