Find flights
Deals
When to book
FAQs

Cheap flights from District of Columbia to London from £240

IAD — LON
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from District of Columbia to London

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to London

Sun 6/1219:40 -
1 stop14h 30m
Fri 11/1206:00 -
1 stop17h 30m
Deal found 27/10£504
Wed 9/1219:40 -
1 stop18h 50m
Wed 16/1220:35 -
1 stop26h 55m
Deal found 27/10£504
Sun 29/1119:40 -
1 stop14h 25m
Tue 8/1207:05 -
1 stop16h 25m
Deal found 27/10£504
Mon 23/1119:40 -
2 stops16h 15m
Wed 25/1109:50 -
1 stop15h 50m
Deal found 27/10£504
Sun 6/1219:40 -
1 stop14h 30m
Thu 10/1210:10 -
1 stop13h 20m
Deal found 27/10£505
Mon 14/1219:40 -
1 stop13h 25m
Fri 8/106:00 -
1 stop17h 30m
Deal found 28/10£505
Sun 29/1119:40 -
1 stop14h 30m
Tue 8/1208:00 -
1 stop15h 30m
Deal found 25/10£506
Tue 17/1119:40 -
1 stop14h 20m
Sun 22/1106:05 -
1 stop17h 25m
Deal found 26/10£506
Sat 5/1220:30 -
2 stops15h 30m
Mon 7/1206:40 -
1 stop15h 35m
Deal found 25/10£507
Tue 17/1119:40 -
1 stop10h 10m
Wed 25/1112:15 -
1 stop11h 15m
Deal found 27/10£507
Tue 8/1219:40 -
2 stops17h 40m
Tue 15/1208:50 -
2 stops14h 40m
Deal found 24/10£508
Thu 12/1119:40 -
1 stop10h 10m
Wed 25/1112:15 -
1 stop11h 15m
Deal found 28/10£509

Find flight deals from District of Columbia to London

Round-trip from

£504

One-way from

£240

Popular in

June

Cheapest in

February

Average price

£670

Good round-trip deal

£727 or less

Good one-way deal

£351 or less
6/12-11/12
  • 6/12-11/12
  • 2 total stops
  • 32h 00m total
  • District of Columbia to London
Search Deals
ITA Airways
  • ITA Airways
  • 29/12-31/12
  • 1 total stop
  • 18h 10m total
  • District of Columbia to London
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£99 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals
Price to beat on a round-trip flight from District of Columbia to London (LON).
Search Deals
Price to beat on a one-way flight from District of Columbia to London (LON).
Search Deals

Cheapflights Fare Finder

 
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

Cheapest return flight

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 29/12

16:30-15:40

1 stop18h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£240

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Tue 5/1

16:30-15:40

1 stop18h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£240

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Tue 24/11

19:40-09:15

3 stops32h 35m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Wed 13/1

19:40-23:05

3 stops22h 25m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 3/2

18:40-15:45

1 stop16h 05m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Mon 26/4

21:45-16:00

1 stop13h 15m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Fri 16/4

06:00-20:45

1 stop9h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 17/3

18:30-15:45

2 stops17h 15m

London Gatwick

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Mon 23/11

19:40-13:40

3 stops37h 00m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£256

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LTN London Luton

IADLTN

Washington, D.C. Dulles Intl

Thu 3/12

17:25-19:45

3 stops45h 20m

London Luton

Wed 31/12

00:00-18:00

Nonstop0h 00m

£267

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from District of Columbia to London

Have a flexible travel schedule? Discover the best time to fly to London from District of Columbia with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to London

What is the cheapest month to book a flight from District of Columbia to London?

Currently, February is the cheapest month in which you can book a flight from District of Columbia to London (average of £509). Flying from District of Columbia to London in June is currently the most expensive (average of £955). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DC to LON?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from District of Columbia to London as you normally would.

How much does it cost for a return flight from District of Columbia to London?

Airfare is typical for this route at the moment.
District of Columbia to London flights typically cost between £455 and £707 in December.
The cheapest return price found within the last 5 days was £504 on Multiple Airlines (6 Dec–11 Dec).

How far ahead should I book a flight from District of Columbia to London?

Booking 73 days in advance of your planned departure date is, on average, the best time to get cheap flights from District of Columbia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

  • How long is the flight from District of Columbia to London?

    Departing from District of Columbia to London will take you 7h 20m. There are 3664 mi between District of Columbia and London. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from District of Columbia to London one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £206. Users have also found prices from £215 and £246 on Virgin Atlantic and JetBlue, respectively.

  • What are the most popular routes from District of Columbia to London?

    The most popular flight routes from District of Columbia to London are Washington, D.C. Dulles Intl - London Heathrow, Washington, D.C. Dulles Intl - London Gatwick and Washington, D.C. Dulles Intl - London City.

  • What are the most reliable airlines from District of Columbia to London?

    Before booking your flight to London from District of Columbia, check out the most reliable airlines to get you to your destination on time: Iberia (87%), Aer Lingus (81%), KLM( 78%).

  • What are the cheapest flights from District of Columbia to London?

    Looking for the cheapest flight from District of Columbia to London? While on average our users pay £587, our data indicates the cheapest price to be £184. The most popular route (Washington, D.C. Dulles Intl - London Heathrow), is priced around £321.

  • Can I find deals for flights from District of Columbia to London that include hotel bookings?

    Yes. In addition to deals on District of Columbia to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from District of Columbia to London.

  • Can I find deals for business class flights from District of Columbia to London?

    Yes. Cheapflights offers flight deals from District of Columbia to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from District of Columbia to London?

    Currently, February is the cheapest month in which you can book a flight from District of Columbia to London (average of £509). Flying from District of Columbia to London in June is currently the most expensive (average of £955). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Slough
Wembley
Gatwick
Ilford
Hayes
Croydon
Barnet
Eastbourne
Brentford
Southend-on-Sea
Southall
Enfield
Watford
Kingston upon Thames
Dagenham
Dover
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for District of Columbia to London

John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Gatwick flights
Newark to Gatwick flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
Baltimore to Heathrow flights
LaGuardia to Gatwick flights
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to London City flights
Newark to Stansted flights
Newark to Luton flights
Seattle to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Atlanta to Heathrow flights
Dulles Intl to Gatwick flights
Boston to Gatwick flights
Dulles Intl to London City flights
Reagan-National to Heathrow flights
Boston to London City flights
Miami to Heathrow flights
Boston to Stansted flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Dulles Intl to Luton flights
Denver to Heathrow flights
Baltimore to Gatwick flights
Los Angeles to Gatwick flights
Boston to Luton flights
Reagan-National to Gatwick flights
O'Hare Intl to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to London City flights
Los Angeles to London City flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Stansted flights
Baltimore to Luton flights
Los Angeles to Stansted flights
San Francisco to London City flights
San Francisco to Stansted flights
LaGuardia to Stansted flights
Seattle to Gatwick flights
Philadelphia to Heathrow flights

Top 5 airlines flying from District of Columbia to London

AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£234Average£641FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£433Average£707FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£454Average£597FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£498Average£775FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£599Average£972FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

How does Cheapflights help users find flights from District of Columbia to London?

Cheapflights helps you search for flights from District of Columbia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from District of Columbia to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from District of Columbia to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from District of Columbia to London with no change fees?

Yes, we can. To see specific flights from District of Columbia to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from District of Columbia to London become cheaper?

Of course! You can now track prices for flights from District of Columbia to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.