Cheap flights from London to District of Columbia from £396

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAD
24 Aug — 31 Aug1
1 adult

Cheap flight deals from London to District of Columbia

Keep the following information in mind while searching for London to District of Columbia flight deals. Data was last updated 19 August 2025.

Round-trip from

£431

One-way from

£396

Popular in

July

Cheapest in

February

Average price

£604

Good round-trip deal

£487 or less

Good one-way deal

£597 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/9-4/10
  • 3 total stops
  • 57h 44m total
  • London to District of Columbia
15/10
  • 15/10
  • 2 total stops
  • 27h 04m total
  • London to District of Columbia
Highest demand for flights based on searches. 11% potential increase in price (£51 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London (LON) to District of Columbia.
Price to beat on a one-way flight from London (LON) to District of Columbia.

Find flight deals from London to District of Columbia

Cheapest flights from London to District of Columbia
Explore the most affordable flight options available from London to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 August 2025.

Thu 11/906:00LHR - IAD
1 stop14h 20mTAP AIR PORTUGAL
Sun 21/917:45IAD - LHR
1 stop11h 35mTAP AIR PORTUGAL
Deal found 19/8£431
Thu 11/908:00LHR - IAD
1 stop12h 20mTAP AIR PORTUGAL
Wed 24/917:50IAD - LHR
1 stop13h 55mTAP AIR PORTUGAL
Deal found 18/8£431
Wed 10/912:10LGW - DCA
1 stop13h 45mJetBlue
Thu 18/913:20DCA - LGW
1 stop15h 15mJetBlue
Deal found 18/8£431
Tue 9/921:25LHR - IAD
1 stop26h 55mIcelandair
Sat 20/920:30IAD - LHR
1 stop10h 25mIcelandair
Deal found 18/8£432
Mon 8/912:10LGW - DCA
1 stop24h 49mJetBlue
Mon 22/917:55DCA - LGW
1 stop10h 40mJetBlue
Deal found 18/8£432
Thu 2/1006:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Thu 6/1120:30IAD - LHR
2 stops15h 30mScandinavian Airlines
Deal found 18/8£433
Thu 11/912:10LGW - DCA
1 stop13h 45mJetBlue
Mon 15/916:45DCA - LGW
1 stop11h 50mJetBlue
Deal found 18/8£433
Sun 5/1008:15LHR - DCA
1 stop19h 41mJetBlue
Sun 12/1017:20DCA - LHR
1 stop22h 25mJetBlue
Deal found 18/8£433
Thu 11/906:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Tue 16/922:05IAD - LHR
2 stops18h 30mScandinavian Airlines
Deal found 19/8£434
Wed 3/914:00LGW - IAD
1 stop33h 24mMultiple Airlines
Sun 2/1122:30IAD - LGW
1 stop12h 15mMultiple Airlines
Deal found 19/8£434
Thu 6/1107:25LHR - DCA
1 stop20h 33mJetBlue
Mon 10/1116:55DCA - LHR
1 stop11h 35mJetBlue
Deal found 18/8£434
Mon 29/906:40LHR - IAD
1 stop18h 19mScandinavian Airlines
Thu 2/1022:05IAD - LHR
1 stop15h 25mScandinavian Airlines
Deal found 19/8£434

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 19 August 2025.
Use the filters below to find and compare flights from London to District of Columbia that are best for you.

Fly from

London

Fly to

District of Columbia

Route

Depart

Return

Price

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Thu 18/9

13:20-09:35

1 stop15h 15m

£431

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 9/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Sun 21/9

16:40-09:35

1 stop11h 55m

£432

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Mon 8/9

12:10-07:59

1 stop24h 49m

Washington, D.C. Reagan-National

Mon 22/9

17:55-09:35

1 stop10h 40m

£432

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 10/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Sun 21/9

16:40-09:35

1 stop11h 55m

£432

LondonWashington, D.C.

LHR - IAD

LHRIAD

London Heathrow

Mon 13/10

21:05-19:59

2 stops27h 54m

Washington, D.C. Dulles Intl

Sun 19/10

22:05-16:00

1 stop12h 55m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 11/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Tue 16/9

18:59-09:35

1 stop9h 36m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Tue 23/9

11:55-09:35

1 stop16h 40m

£433

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 12/9

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Wed 17/9

16:45-09:35

1 stop11h 50m

£433

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 3/9

14:00-18:24

1 stop33h 24m

Washington, D.C. Dulles Intl

Sun 2/11

22:30-15:45

1 stop12h 15m

£434

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 3/9

14:00-18:24

1 stop33h 24m

Washington, D.C. Dulles Intl

Tue 28/10

18:30-09:50

1 stop11h 20m

£434

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 60 results
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Best time to book a flight from London to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia from London 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 London to District of Columbia

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

Currently, January is the cheapest month in which you can book a flight from London to District of Columbia (average of £599). Flying from London to District of Columbia in July is currently the most expensive (average of £947). 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 LON to DC?

Find hourly flight availability from London to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 August 2025.

When flying from London to District of Columbia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to District of Columbia

Explore weekly flight availability from London to District of Columbia. 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 19 August 2025.

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

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated 19 August 2025.
See what other customers who have flown with Virgin Atlantic, Icelandair, andPLAY from London to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row
PLAY
7.0
Good

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Comfort

7.3

Entertainment

7.5

Food

6.9

Boarding

7.7

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Jorge,Jun 2025

SFO - LHR

Exceptional, the flight attendant were amazing. My economy delight seat was very comfortable, and I was fortunate enough to have an empty row

Related info for your journey

Find useful and relevant information for your journey from London to District of Columbia. 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 London to District of Columbia?

    A quick flight from London to District of Columbia can take about 13h 45m. JetBlue provides one of the quickest options available for as low as £431. London and District of Columbia are separated by a distance of 3670 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

    Before booking your flight to District of Columbia from London, check out the most reliable airlines to get you to your destination on time: KLM (75%), Air France (75%), Delta( 75%).

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

    On average you can expect to pay £1,372 for a flight from London to District of Columbia. The cheapest flight overall is £405 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £367.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to District of Columbia 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 London to District of Columbia?

    Currently, January is the cheapest month in which you can book a flight from London to District of Columbia (average of £599). Flying from London to District of Columbia in July is currently the most expensive (average of £947). 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

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Alternative routes for London to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to District of Columbia

Discover the top 10 airlines that operate flights from London to District of Columbia. 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 19 August 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£187Average£530FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
PLAYCheapest£247Average£385FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£344Average£510FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
TAP AIR PORTUGALCheapest£350Average£512FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
JetBlueCheapest£372Average£627FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£434Average£621FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£435Average£611FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£435Average£584FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£435Average£569FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£441Average£634FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to District of Columbia.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to District of Columbia flexibly with Cheapflights today.

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

Yes, Cheapflights offers price alerts on London to District of Columbia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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