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Cheap flights from District of Columbia to London from £276

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from District of Columbia to London departing on 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
16:50 - 19:25
IAD
-
LGW
21h 35m2 stops
Multiple Airlines Logo
16:10 - 18:50
LGW
-
IAD
31h 40m2 stops
£426Multiple Airlines
Mon, 19 Jan - Fri, 23 Jan
Scandinavian Airlines Logo
20:20 - 16:25
IAD
-
LHR
15h 05m2 stops
Scandinavian Airlines Logo
10:20 - 16:50
LHR
-
IAD
11h 30m1 stop
£426Scandinavian Airlines
Sun, 19 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
23:30 - 15:05
IAD
-
LGW
11h 35m1 stop
TAP AIR PORTUGAL Logo
11:00 - 15:35
LGW
-
IAD
32h 35m2 stops
£427TAP AIR PORTUGAL
Wed, 18 Mar - Mon, 23 Mar
Icelandair Logo
20:30 - 20:20
IAD
-
LHR
18h 50m1 stop
Icelandair Logo
13:05 - 19:20
LHR
-
IAD
11h 15m1 stop
£427Icelandair
Thu, 30 Apr - Tue, 5 May
Icelandair Logo
20:30 - 20:20
IAD
-
LHR
18h 50m1 stop
Icelandair Logo
21:25 - 19:20
LHR
-
IAD
26h 55m1 stop
£428Icelandair
Thu, 30 Apr - Thu, 14 May
SWISS Logo
18:10 - 17:50
IAD
-
LGW
42h 40m2 stops
SWISS Logo
18:40 - 15:30
LGW
-
IAD
25h 50m1 stop
£432SWISS
Wed, 7 Jan - Wed, 14 Jan
TAP AIR PORTUGAL Logo
22:30 - 15:05
IAD
-
LGW
11h 35m1 stop
TAP AIR PORTUGAL Logo
09:05 - 21:00
LGW
-
IAD
16h 55m2 stops
£435TAP AIR PORTUGAL
Wed, 28 Jan - Sun, 1 Feb
Air Canada Logo
12:55 - 09:20
DCA
-
LHR
15h 25m1 stop
Air Canada Logo
06:50 - 15:33
LHR
-
DCA
13h 43m2 stops
£437Air Canada
Sun, 11 Jan - Sun, 18 Jan
SWISS Logo
17:45 - 12:55
IAD
-
LCY
14h 10m1 stop
SWISS Logo
09:20 - 15:30
LCY
-
IAD
35h 10m1 stop
£452SWISS
Wed, 21 Jan - Wed, 28 Jan
Air Canada Logo
11:05 - 07:10
DCA
-
LHR
15h 05m1 stop
Air Canada Logo
06:50 - 15:31
LHR
-
DCA
13h 41m2 stops
£456Air Canada
Tue, 30 Dec - Wed, 14 Jan

Delta flights from District of Columbia to London

Our best Delta deals on District of Columbia to London flight tickets
Delta
12 Mar
IAD23:20Washington, D.C. Dulles Intl
7h 30m
LHR10:50London Heathrow
19 Mar
LHR08:40London Heathrow
12h 25m
1 stop
IAD17:05Washington, D.C. Dulles Intl
£459
Find similar
Delta
7 Jan
IAD22:20Washington, D.C. Dulles Intl
7h 30m
LHR10:50London Heathrow
15 Jan
LHR08:40London Heathrow
12h 25m
1 stop
IAD16:05Washington, D.C. Dulles Intl
£459
Find similar
Delta
23 Jan
IAD22:20Washington, D.C. Dulles Intl
7h 30m
LHR10:50London Heathrow
28 Jan
LHR09:00London Heathrow
12h 35m
1 stop
IAD16:35Washington, D.C. Dulles Intl
£463
Find similar

United Airlines flights from District of Columbia to London

Our best United Airlines deals on District of Columbia to London flight tickets
United Airlines
30 Dec
IAD22:08Washington, D.C. Dulles Intl
30h 12m
1 stop
LHR09:20London Heathrow
13 Jan
LHR09:00London Heathrow
12h 40m
1 stop
IAD16:40Washington, D.C. Dulles Intl
£452
Find similar
United Airlines
10 Mar
IAD19:20Washington, D.C. Dulles Intl
7h 20m
LHR06:40London Heathrow
19 Mar
LHR06:35London Heathrow
14h 00m
1 stop
IAD16:35Washington, D.C. Dulles Intl
£458
Find similar
United Airlines
30 Dec
DCA16:10Washington, D.C. Reagan-National
10h 00m
1 stop
LHR07:10London Heathrow
13 Jan
LHR13:25London Heathrow
13h 31m
1 stop
DCA21:56Washington, D.C. Reagan-National
£478
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from District of Columbia to London 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 12 December 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 19/1

16:50-19:25

2 stops21h 35m

London Gatwick

Fri 23/1

16:10-18:50

2 stops31h 40m

£426

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 19/4

20:20-16:25

2 stops15h 05m

London Heathrow

Sun 26/4

10:20-16:50

1 stop11h 30m

£426

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 18/3

23:30-15:05

1 stop11h 35m

London Gatwick

Mon 23/3

11:00-15:35

2 stops32h 35m

£427

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 30/4

20:30-20:20

1 stop18h 50m

London Heathrow

Tue 5/5

13:05-19:20

1 stop11h 15m

£427

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 30/4

20:30-20:20

1 stop18h 50m

London Heathrow

Thu 14/5

21:25-19:20

1 stop26h 55m

£428

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 7/1

18:10-17:50

2 stops42h 40m

London Gatwick

Wed 14/1

18:40-15:30

1 stop25h 50m

£432

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 28/1

22:30-15:05

1 stop11h 35m

London Gatwick

Sun 1/2

09:05-21:00

2 stops16h 55m

£435

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 11/1

12:55-09:20

1 stop15h 25m

London Heathrow

Sun 18/1

06:50-15:33

2 stops13h 43m

£437

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 21/1

17:45-12:55

1 stop14h 10m

London City

Wed 28/1

09:20-15:30

1 stop35h 10m

£452

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 30/12

11:05-07:10

1 stop15h 05m

London Heathrow

Wed 14/1

06:50-15:31

2 stops13h 41m

£456

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 London from

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

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 London?

The cheapest month to fly to London from District of Columbia is in September. Flight prices, which tend to average around £465, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from District of Columbia averaging around £491.

What is the cheapest day to depart on your flight to London?

Our data shows that Wednesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £531. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from District of Columbia to London for around £611.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £571. Flights at midday are often more expensive, with an average ticket price of £1,429.

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

Fly from Baltimore/Washington to London Heathrow for the best District of Columbia - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £563 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from District of Columbia for as low as £527 on momondo.

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

There are 4 cabin classes available to choose from on District of Columbia to London 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 District of Columbia to London flights?

You could potentially save up to 42% on your flight if you consider stops on a District of Columbia to London flight.

Cheap District of Columbia to London flight deals and tips

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

Best price found

£335

Fastest flight time

7h 10m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from District of Columbia in the past 72 hours is £335. The best return flight deal from District of Columbia to London found on momondo in the last 72 hours is £503.
The fastest flight from District of Columbia to London takes 7h 10m
Direct flights go from District of Columbia to London every day.
There are 6 airports in London. From District of Columbia there are direct flights to London Heathrow (LHR).
Search flight deals

  • When did momondo last update prices for flights from District of Columbia to London?

    Prices for flights from District of Columbia to London refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from District of Columbia to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from District of Columbia to London

Compare and see reviews for airlines that fly from District of Columbia to London with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom £310Free CancellationRating
6.8
7,626 reviews
Search Lufthansa flights
IcelandairPriceFrom £369Free CancellationRating
7.0
589 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £383Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £386Free CancellationRating
6.7
7,571 reviews
Search British Airways flights
Air FrancePriceFrom £398Free CancellationRating
7.4
1,502 reviews
Search Air France flights
IberiaPriceFrom £459Free CancellationRating
7.0
3,045 reviews
Search Iberia flights
United AirlinesPriceFrom £503Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom £512Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Colchester
Bedford
Ramsgate
Hounslow
Stansted

Why use momondo?

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

It is quick and easy to find District of Columbia to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

Yes. momondo allows you to filter the results for District of Columbia to London flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to London from District of Columbia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to London from District of Columbia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport