Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from District of Columbia to London from £244

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 20/2. 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

Discover deals from 900+ travel sites with momondo.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from District of Columbia to London

Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:30 - 11:45
IAD
-
LGW
10h 15m
1 stop
Icelandair Logo
13:00 - 19:20
LGW
-
IAD
11h 20m
1 stop
£393Icelandair
Fri, 1 May - Sun, 3 May
Icelandair Logo
20:40 - 10:50
IAD
-
LHR
10h 10m
1 stop
Icelandair Logo
21:25 - 19:20
LHR
-
IAD
26h 55m
1 stop
£393Icelandair
Tue, 24 Mar - Tue, 31 Mar
Multiple Airlines Logo
20:30 - 15:25
IAD
-
STN
13h 55m
2 stops
Multiple Airlines Logo
08:35 - 19:20
STN
-
IAD
15h 45m
2 stops
£394Multiple Airlines
Fri, 17 Apr - Sat, 25 Apr
TAP AIR PORTUGAL Logo
17:30 - 09:50
IAD
-
LGW
11h 20m
1 stop
TAP AIR PORTUGAL Logo
16:35 - 15:35
LGW
-
IAD
27h 00m
1 stop
£395TAP AIR PORTUGAL
Mon, 2 Mar - Mon, 9 Mar
TAP AIR PORTUGAL Logo
22:30 - 18:55
IAD
-
LHR
15h 25m
1 stop
TAP AIR PORTUGAL Logo
18:30 - 15:15
LHR
-
IAD
25h 45m
1 stop
£396TAP AIR PORTUGAL
Wed, 18 Feb - Wed, 25 Feb
Multiple Airlines Logo
20:20 - 19:35
IAD
-
STN
18h 15m
2 stops
Multiple Airlines Logo
12:15 - 16:50
STN
-
IAD
33h 35m
3 stops
£396Multiple Airlines
Mon, 13 Apr - Wed, 22 Apr
Air Canada Logo
12:55 - 07:10
DCA
-
LHR
37h 15m
2 stops
Air Canada Logo
06:50 - 21:56
LHR
-
DCA
19h 06m
2 stops
£435Air Canada
Sun, 1 Mar - Tue, 17 Mar
Air Canada Logo
18:50 - 08:30
DCA
-
LHR
32h 40m
1 stop
Air Canada Logo
06:50 - 21:56
LHR
-
DCA
19h 06m
2 stops
£438Air Canada
Sun, 1 Mar - Tue, 17 Mar
SWISS Logo
21:30 - 18:40
IAD
-
LCY
17h 10m
1 stop
SWISS Logo
19:15 - 16:45
LCY
-
IAD
26h 30m
1 stop
£443SWISS
Sun, 22 Mar - Mon, 30 Mar
SWISS Logo
21:30 - 12:55
IAD
-
LCY
11h 25m
1 stop
SWISS Logo
09:15 - 17:40
LCY
-
IAD
12h 25m
1 stop
£455SWISS
Tue, 10 Mar - Tue, 17 Mar

Scandinavian Airlines flights from District of Columbia to London

Our best Scandinavian Airlines deals on District of Columbia to London flight tickets
Scandinavian Airlines
2 Mar
IAD20:30Washington, D.C. Dulles Intl
20h 10m
1 stop
LHR21:40London Heathrow
5 Mar
LHR06:40London Heathrow
15h 35m
1 stop
IAD17:15Washington, D.C. Dulles Intl
£405
Scandinavian Airlines
2 Mar
IAD19:52Washington, D.C. Dulles Intl
32h 28m
2 stops
LHR09:20London Heathrow
5 Mar
LHR06:40London Heathrow
15h 35m
1 stop
IAD17:15Washington, D.C. Dulles Intl
£411
Scandinavian Airlines
18 Apr
IAD20:20Washington, D.C. Dulles Intl
14h 40m
1 stop
LHR16:00London Heathrow
26 Apr
LHR19:30London Heathrow
26h 20m
1 stop
IAD16:50Washington, D.C. Dulles Intl
£412

JetBlue flights from District of Columbia to London

Our best JetBlue deals on District of Columbia to London flight tickets
JetBlue
11 Feb
DCA06:00Washington, D.C. Reagan-National
10h 40m
1 stop
LHR21:40London Heathrow
18 Feb
LHR09:20London Heathrow
13h 14m
1 stop
DCA17:34Washington, D.C. Reagan-National
£482
JetBlue
18 Feb
DCA11:55Washington, D.C. Reagan-National
14h 00m
1 stop
LHR06:55London Heathrow
23 Feb
LHR09:20London Heathrow
11h 44m
1 stop
DCA16:04Washington, D.C. Reagan-National
£484
JetBlue
26 Feb
DCA15:40Washington, D.C. Reagan-National
10h 15m
1 stop
LHR06:55London Heathrow
2 Mar
LHR09:20London Heathrow
13h 29m
1 stop
DCA17:49Washington, D.C. Reagan-National
£485

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 8 February 2026.
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

Fri 1/5

20:30-11:45

1 stop10h 15m

London Gatwick

Sun 3/5

13:00-19:20

1 stop11h 20m

£393

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 24/3

20:40-10:50

1 stop10h 10m

London Heathrow

Tue 31/3

21:25-19:20

1 stop26h 55m

£393

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Fri 17/4

20:30-15:25

2 stops13h 55m

London Stansted

Sat 25/4

08:35-19:20

2 stops15h 45m

£394

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 2/3

17:30-09:50

1 stop11h 20m

London Gatwick

Mon 9/3

16:35-15:35

1 stop27h 00m

£395

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 18/2

22:30-18:55

1 stop15h 25m

London Heathrow

Wed 25/2

18:30-15:15

1 stop25h 45m

£396

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 13/4

20:20-19:35

2 stops18h 15m

London Stansted

Wed 22/4

12:15-16:50

3 stops33h 35m

£396

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 1/3

12:55-07:10

2 stops37h 15m

London Heathrow

Tue 17/3

06:50-21:56

2 stops19h 06m

£435

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 1/3

18:50-08:30

1 stop32h 40m

London Heathrow

Tue 17/3

06:50-21:56

2 stops19h 06m

£438

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Sun 22/3

21:30-18:40

1 stop17h 10m

London City

Mon 30/3

19:15-16:45

1 stop26h 30m

£443

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Tue 10/3

21:30-12:55

1 stop11h 25m

London City

Tue 17/3

09:15-17:40

1 stop12h 25m

£455

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 £458, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from District of Columbia averaging around £470.

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

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £524. 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 £600.

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 £541. Flights in the evening are often more expensive, with an average ticket price of £564.

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

Fly from Washington, D.C. Dulles Intl 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 £557 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 £522 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 17% 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

£304

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 £304. The best return flight deal from District of Columbia to London found on momondo in the last 72 hours is £441.
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 £304Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
IcelandairPriceFrom £363Free CancellationRating
7.1
606 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £376Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £380Free CancellationRating
6.7
7,721 reviews
Search British Airways flights
Air FrancePriceFrom £391Free CancellationRating
7.4
1,531 reviews
Search Air France flights
IberiaPriceFrom £451Free CancellationRating
7.0
3,110 reviews
Search Iberia flights
United AirlinesPriceFrom £486Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
American AirlinesPriceFrom £504Free CancellationRating
7.2
11,257 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
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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.

An easier way to manage your London trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/3
Tue 17/3
By creating a price alert you accept our terms of use and privacy policy.

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