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Cheap flights from District of Columbia to London from £182

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LON
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find 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
Explore the most affordable flight options available from District of Columbia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Sun 16/1109:45IAD - LGW
2 stops25h 00mMultiple Airlines
Wed 19/1116:00LGW - IAD
2 stops28h 50mMultiple Airlines
Deal found 15/10£416
Sun 19/1020:25IAD - LHR
1 stop11h 15mAer Lingus
Mon 27/1008:50LHR - IAD
1 stop11h 45mAer Lingus
Deal found 16/10£416
Tue 4/1118:00IAD - STN
2 stops24h 10mMultiple Airlines
Fri 14/1107:30STN - IAD
2 stops17h 35mMultiple Airlines
Deal found 14/10£417
Thu 13/1119:40IAD - LGW
1 stop10h 15mIcelandair
Sat 22/1111:55LGW - IAD
1 stop11h 35mIcelandair
Deal found 15/10£417
Wed 3/1219:40IAD - LTN
1 stop12h 15mMultiple Airlines
Wed 10/1208:00LTN - IAD
1 stop15h 30mMultiple Airlines
Deal found 15/10£417
Sun 19/1018:45IAD - LHR
Nonstop7h 30mVirgin Atlantic
Tue 28/1010:00LHR - IAD
1 stop11h 05mVirgin Atlantic
Deal found 16/10£417
Tue 9/1209:40DCA - LGW
3 stops30h 30mMultiple Airlines
Thu 18/1207:00LGW - DCA
2 stops19h 56mMultiple Airlines
Deal found 15/10£417
Wed 12/1109:45IAD - STN
3 stops32h 30mMultiple Airlines
Wed 19/1106:20STN - IAD
2 stops18h 45mMultiple Airlines
Deal found 14/10£418
Fri 24/1021:58IAD - LGW
2 stops27h 22mMultiple Airlines
Thu 13/1114:00LGW - IAD
1 stop34h 51mMultiple Airlines
Deal found 15/10£418
Sun 19/1018:45IAD - LHR
Nonstop7h 30mVirgin Atlantic
Tue 4/1111:30LHR - IAD
1 stop12h 45mVirgin Atlantic
Deal found 15/10£418
Wed 12/1111:05DCA - STN
3 stops31h 10mMultiple Airlines
Wed 19/1106:20STN - DCA
3 stops20h 36mMultiple Airlines
Deal found 14/10£418
Tue 18/1120:30IAD - STN
2 stops21h 40mMultiple Airlines
Wed 26/1108:05STN - IAD
2 stops17h 00mMultiple Airlines
Deal found 16/10£418

Cheap flight deals from District of Columbia to London

Keep the following information in mind while searching for District of Columbia to London flight deals. Data was last updated 17 October 2025.

Round-trip from

£416

One-way from

£182

Popular in

June

Cheapest in

September

Average price

£497

Good round-trip deal

£510 or less

Good one-way deal

£280 or less
16/11-19/11
  • 16/11-19/11
  • 4 total stops
  • 53h 50m total
  • District of Columbia to London
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 39h 10m total
  • District of Columbia to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£52 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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

 
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, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

District of Columbia

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

DCA - STN

DCASTN

Washington, D.C. Reagan-National

Wed 12/11

11:05-23:15

3 stops31h 10m

London Stansted

Wed 19/11

06:20-21:56

3 stops20h 36m

£418

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 18/11

20:30-23:10

2 stops21h 40m

London Stansted

Wed 26/11

08:05-20:05

2 stops17h 00m

£418

Washington, D.C.London

DCA - LTN

DCALTN

Washington, D.C. Reagan-National

Thu 13/11

09:40-14:15

3 stops23h 35m

London Luton

Sun 23/11

08:25-21:56

3 stops18h 31m

£421

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 8/1

19:40-23:40

2 stops23h 00m

London Stansted

Sun 11/1

14:15-18:30

2 stops33h 15m

£424

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 19/3

18:30-20:40

2 stops22h 10m

London Gatwick

Wed 1/4

16:25-15:05

1 stop27h 40m

£430

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/12

22:20-10:50

Nonstop7h 30m

London Heathrow

Fri 30/1

06:20-16:35

1 stop15h 15m

£430

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 26/11

18:20-06:30

Nonstop7h 10m

London Heathrow

Wed 3/12

16:25-19:55

Nonstop8h 30m

£435

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 14/1

22:20-10:50

Nonstop7h 30m

London Heathrow

Wed 21/1

06:20-16:35

1 stop15h 15m

£436

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 19/11

17:03-08:45

1 stop10h 42m

London Heathrow

Thu 27/11

16:50-20:30

Nonstop8h 40m

£439

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 3/12

10:08-06:25

1 stop15h 17m

London Heathrow

Thu 18/12

16:50-20:30

Nonstop8h 40m

£439

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 60 results
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, March is the cheapest month in which you can book a flight from District of Columbia to London (average of £23). Flying from District of Columbia to London in June is currently the most expensive (average of £557). 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?

Find hourly flight availability from District of Columbia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

One of the essential ways to save on airfare from District of Columbia to London is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at midday could potentially save you up to 9% on airfare.

Weekly flight availability from District of Columbia to London

Explore weekly flight availability from District of Columbia to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 17 October 2025.

The most flights from USDC to LON are scheduled on a Wednesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Departing from District of Columbia to London will take you 7h 10m. 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 JetBlue. According to our data, you can fly for as low as £206. Users have also found prices from £245 and £303 on TAP AIR PORTUGAL and SWISS, 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. Reagan-National - London Heathrow.

  • 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: American Airlines (86%), British Airways (86%), Aer Lingus( 84%).

  • 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 £459, our data indicates the cheapest price to be £265. The most popular route (Washington, D.C. Dulles Intl - London Heathrow), is priced around £310.

  • 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, March is the cheapest month in which you can book a flight from District of Columbia to London (average of £23). Flying from District of Columbia to London in June is currently the most expensive (average of £557). 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?

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Alternative routes for District of Columbia to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from District of Columbia to London

Discover the top 9 airlines that operate flights from District of Columbia to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 October 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£309Average£524FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£368Average£649FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£381Average£633FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£385Average£579FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£397Average£536FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£457Average£496FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£504Average£647FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£513Average£719FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£523Average£625FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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