Cheap flights from London to District of Columbia from £429

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to District of Columbia departing on 23/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
11:20 - 23:36
LGW
-
DCA
17h 16m1 stop
British Airways Logo
17:00 - 19:00
DCA
-
LGW
22h 00m2 stops
£464British Airways
Tue, 17 Feb - Tue, 10 Mar
Multiple Airlines Logo
05:50 - 15:35
LTN
-
IAD
14h 45m1 stop
Multiple Airlines Logo
17:05 - 08:55
IAD
-
LTN
10h 50m1 stop
£464Multiple Airlines
Fri, 30 Jan - Sun, 1 Feb
Virgin Atlantic Logo
10:00 - 16:05
LCY
-
IAD
11h 05m1 stop
Virgin Atlantic Logo
18:05 - 08:50
IAD
-
LCY
9h 45m1 stop
£465Virgin Atlantic
Mon, 26 Jan - Mon, 2 Feb
Icelandair Logo
11:55 - 18:30
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
19:40 - 10:55
IAD
-
LGW
10h 15m1 stop
£465Icelandair
Tue, 24 Feb - Thu, 5 Mar
TAP AIR PORTUGAL Logo
10:40 - 22:00
LGW
-
IAD
15h 20m1 stop
TAP AIR PORTUGAL Logo
18:30 - 09:50
IAD
-
LGW
11h 20m1 stop
£467TAP AIR PORTUGAL
Wed, 18 Mar - Tue, 24 Mar
Icelandair Logo
11:55 - 18:30
LGW
-
IAD
11h 35m1 stop
Icelandair Logo
20:40 - 10:55
IAD
-
LGW
10h 15m1 stop
£467Icelandair
Wed, 4 Mar - Wed, 11 Mar
TAP AIR PORTUGAL Logo
16:35 - 21:00
LGW
-
IAD
33h 25m1 stop
TAP AIR PORTUGAL Logo
17:30 - 09:50
IAD
-
LGW
11h 20m1 stop
£468TAP AIR PORTUGAL
Tue, 13 Jan - Tue, 20 Jan
JetBlue Logo
09:20 - 17:49
LHR
-
DCA
13h 29m1 stop
JetBlue Logo
14:05 - 06:55
DCA
-
LHR
11h 50m1 stop
£468JetBlue
Tue, 24 Feb - Sun, 1 Mar
JetBlue Logo
09:20 - 16:04
LHR
-
DCA
11h 44m1 stop
JetBlue Logo
16:59 - 06:55
DCA
-
LHR
9h 56m1 stop
£474JetBlue
Sun, 1 Mar - Wed, 11 Mar
Virgin Atlantic Logo
09:20 - 16:05
LCY
-
IAD
11h 45m1 stop
Virgin Atlantic Logo
12:23 - 09:30
IAD
-
LCY
16h 07m2 stops
£479Virgin Atlantic
Mon, 26 Jan - Mon, 2 Feb

Royal Air Maroc flights from London to District of Columbia

Our best Royal Air Maroc deals on London to District of Columbia flight tickets
Royal Air Maroc
24 Feb
LGW16:10London Gatwick
31h 35m
1 stop
IAD18:45Washington, D.C. Dulles Intl
6 Mar
IAD20:45Washington, D.C. Dulles Intl
13h 25m
1 stop
LGW15:10London Gatwick
Royal Air Maroc
27 Dec
STN07:20London Stansted
16h 25m
1 stop
IAD18:45Washington, D.C. Dulles Intl
8 Apr
IAD21:00Washington, D.C. Dulles Intl
28h 20m
1 stop
STN06:20London Stansted

KLM flights from London to District of Columbia

Our best KLM deals on London to District of Columbia flight tickets
KLM
18 Feb
LCY20:05London City
25h 00m
1 stop
IAD16:05Washington, D.C. Dulles Intl
28 Feb
IAD18:05Washington, D.C. Dulles Intl
14h 10m
1 stop
LCY13:15London City
KLM
24 Feb
LCY08:40London City
12h 25m
1 stop
IAD16:05Washington, D.C. Dulles Intl
3 Mar
IAD18:05Washington, D.C. Dulles Intl
10h 25m
1 stop
LCY09:30London City
KLM
28 Feb
LCY10:00London City
11h 05m
1 stop
IAD16:05Washington, D.C. Dulles Intl
9 Mar
IAD19:05Washington, D.C. Dulles Intl
9h 45m
1 stop
LCY08:50London City

momondo Fare Finder

 
Customise your flight search to find flights from London to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from London to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 17/2

11:20-23:36

1 stop17h 16m

Washington, D.C. Reagan-National

Tue 10/3

17:00-19:00

2 stops22h 00m

£464

LondonWashington, D.C.

LTN - IAD

LTNIAD

London Luton

Fri 30/1

05:50-15:35

1 stop14h 45m

Washington, D.C. Dulles Intl

Sun 1/2

17:05-08:55

1 stop10h 50m

£464

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 26/1

10:00-16:05

1 stop11h 05m

Washington, D.C. Dulles Intl

Mon 2/2

18:05-08:50

1 stop9h 45m

£465

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 24/2

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Thu 5/3

19:40-10:55

1 stop10h 15m

£465

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 18/3

10:40-22:00

1 stop15h 20m

Washington, D.C. Dulles Intl

Tue 24/3

18:30-09:50

1 stop11h 20m

£467

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 4/3

11:55-18:30

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 11/3

20:40-10:55

1 stop10h 15m

£467

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 13/1

16:35-21:00

1 stop33h 25m

Washington, D.C. Dulles Intl

Tue 20/1

17:30-09:50

1 stop11h 20m

£468

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 24/2

09:20-17:49

1 stop13h 29m

Washington, D.C. Reagan-National

Sun 1/3

14:05-06:55

1 stop11h 50m

£468

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sun 1/3

09:20-16:04

1 stop11h 44m

Washington, D.C. Reagan-National

Wed 11/3

16:59-06:55

1 stop9h 56m

£474

LondonWashington, D.C.

LCY - IAD

LCYIAD

London City

Mon 26/1

09:20-16:05

1 stop11h 45m

Washington, D.C. Dulles Intl

Mon 2/2

12:23-09:30

2 stops16h 07m

£479

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to District of Columbia from

How to get the cheapest flight ticket from London to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to District of Columbia?

The cheapest month to fly to District of Columbia from London is in February. Flight prices, which tend to average around £467, are often lower during this time because this is during the off-season. If you are unable to visit District of Columbia during the month of February, then departing from London during the month September is also very affordable. Most momondo users find prices during this month for around £481.

What is the cheapest day to depart on your flight to District of Columbia?

Our data shows that Thursday is the least expensive day to fly to District of Columbia. Tickets to fly out on this day can be as low as £592. Flights from London to District of Columbia on a Sunday will generally be more expensive and average around £652. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to District of Columbia?

In the evening is the cheapest time of day to fly from London to District of Columbia when you can find flight prices for as low as £518. Flying to District of Columbia in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to District of Columbia is in the afternoon when prices are around £611.

What is the cheapest London to District of Columbia flight route?

Fly from London Heathrow to Washington, D.C. Dulles Intl for the best London - District of Columbia flight prices

How far in advance should I book a flight to District of Columbia?

You are more likely to see cheaper flights to District of Columbia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to District of Columbia for around £570 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to District of Columbia from London for as low as £509 on momondo.

What cabin class options are available on London to District of Columbia flights?

There are 4 cabin classes available to choose from on London to District of Columbia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London to District of Columbia flights?

You could potentially save up to 40% on your flight if you consider stops on a London to District of Columbia flight.

Cheap London to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to District of Columbia

Best price found

£543

Fastest flight time

8h 05m

Direct flights

Every day

Airports in District of Columbia

2 airports
The best one-way flight to District of Columbia from London in the past 72 hours is £543. The best return flight deal from London to District of Columbia found on momondo in the last 72 hours is £512.
The fastest flight from London to District of Columbia takes 8h 05m
Direct flights go from London to District of Columbia every day.
There are 2 airports in District of Columbia. From London there are direct flights to Washington, D.C. Dulles Intl (IAD).
  • When did momondo last update prices for flights from London to District of Columbia?

    Prices for flights from London to District of Columbia are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to District of Columbia?

  • How old do you have to be to fly from London to District of Columbia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to District of Columbia?

Best airlines flying from London to District of Columbia

Compare and see reviews for airlines that fly from London to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £189Free CancellationRating
7.9
8,008 reviews
Search Delta flights
PLAYPriceFrom £268Free CancellationRating
7.0
103 reviews
Search PLAY flights
IcelandairPriceFrom £347Free CancellationRating
7.0
591 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom £350Free CancellationRating
7.2
2,092 reviews
Search TAP AIR PORTUGAL flights
Aer LingusPriceFrom £384Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £407Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
JetBluePriceFrom £415Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
LufthansaPriceFrom £422Free CancellationRating
6.8
7,637 reviews
Search Lufthansa flights
FinnairPriceFrom £423Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
Scandinavian AirlinesPriceFrom £425Free CancellationRating
7.4
1,609 reviews
Search Scandinavian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from London to District of Columbia?

Finding the right flight to District of Columbia from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to District of Columbia quick and easy, saving you time and money.

Can I find flights from London to District of Columbia with flexible booking policies on momondo?

Flights from London to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from London.

I’m not ready to book a flight from London to District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your District of Columbia trip

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1 adult
Sat 17/1
Sat 24/1

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Popular flights according to clicks in the last 7 days on momondo