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Cheap flights from London to District of Columbia from £389

LON — IAD
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to District of Columbia

Enter your travel dates to find the best prices.

Cheapest flights from London to District of Columbia

Fri 25/1212:15 -
1 stop11h 15m
Sat 30/119:40 -
1 stop10h 10m
Deal found 7/11£405
Wed 16/1216:20 -
Nonstop8h 55m
Fri 23/406:00 -
1 stop10h 25m
Deal found 7/11£406
Tue 1/1220:35 -
1 stop26h 55m
Thu 10/1219:40 -
1 stop18h 50m
Deal found 9/11£406
Sun 13/1220:35 -
1 stop26h 55m
Tue 5/119:40 -
1 stop18h 50m
Deal found 6/11£409
Thu 3/1212:00 -
1 stop14h 57m
Tue 8/1213:25 -
1 stop14h 45m
Deal found 5/11£409
Sun 13/1220:35 -
1 stop26h 55m
Fri 8/119:40 -
1 stop18h 50m
Deal found 5/11£410
Wed 11/1118:30 -
1 stop25h 45m
Mon 11/117:25 -
1 stop23h 10m
Deal found 8/11£411
Thu 12/1106:00 -
1 stop14h 15m
Mon 16/1117:25 -
1 stop23h 10m
Deal found 5/11£412
Thu 10/1212:15 -
1 stop11h 15m
Wed 6/119:40 -
1 stop10h 10m
Deal found 6/11£412
Wed 18/1118:30 -
1 stop25h 45m
Tue 1/1217:25 -
1 stop24h 15m
Deal found 9/11£414
Wed 18/1116:35 -
1 stop27h 40m
Sun 29/1122:30 -
1 stop12h 15m
Deal found 6/11£416
Thu 3/1212:15 -
1 stop11h 15m
Sun 13/1219:40 -
1 stop10h 10m
Deal found 8/11£417

Find flight deals from London to District of Columbia

Round-trip from

£405

One-way from

£389

Popular in

June

Cheapest in

February

Average price

£503

Good round-trip deal

£534 or less

Good one-way deal

£426 or less
Icelandair
  • Icelandair
  • 25/12-28/1
  • 2 total stops
  • 21h 25m total
  • London to District of Columbia
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30/11-31/12
  • 30/11-31/12
  • 3 total stops
  • 48h 25m total
  • London to District of Columbia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from London (LON) to District of Columbia.
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Price to beat on a one-way flight from London (LON) to District of Columbia.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Mon 7/12

16:35-14:40

1 stop27h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£390

LondonWashington, D.C.

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

LHRIAD

London Heathrow

Sun 14/3

15:15-17:20

3 stops30h 05m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£402

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Thu 21/1

10:10-20:30

2 stops39h 20m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£406

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Sun 21/3

22:05-19:30

3 stops25h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£410

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Mon 15/3

08:35-18:00

1 stop13h 25m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£439

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Sun 21/3

07:30-21:14

2 stops17h 44m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£452

LondonWashington, D.C.

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

LHRDCA

London Heathrow

Wed 21/4

10:05-16:46

1 stop11h 41m

Washington, D.C. Reagan-National

Wed 31/12

00:00-06:00

Nonstop0h 00m

£453

LondonWashington, D.C.

STN London Stansted - IAD Washington, D.C. Dulles Intl

STNIAD

London Stansted

Wed 21/4

06:30-15:45

1 stop14h 15m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£456

LondonWashington, D.C.

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

LGWIAD

London Gatwick

Mon 15/2

16:35-14:40

1 stop27h 05m

Washington, D.C. Dulles Intl

Tue 23/2

17:25-09:25

2 stops35h 00m

£458

LondonWashington, D.C.

LCY London City - IAD Washington, D.C. Dulles Intl

LCYIAD

London City

Sun 14/3

17:15-16:55

1 stop27h 40m

Washington, D.C. Dulles Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£460

Flights are sorted by cheapest return flights first.

Deals found on 8/11

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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, February is the cheapest month in which you can book a flight from London to District of Columbia (average of £473). Flying from London to District of Columbia in June is currently the most expensive (average of £579). 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?

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

The most flights from LON to USDC are scheduled on a Sunday (27 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

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

Airfare is below average for this route at the moment.
London to District of Columbia flights typically cost between £477 and £615 in December.
The cheapest return price found within the last 5 days was £405 on Icelandair (25 Dec–28 Jan).

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

To ensure you get the cheapest price possible for a flight from London to District of Columbia, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing District of Columbia

See what other customers who have flown with Virgin Atlantic,United Airlines, andIcelandair 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.
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
698 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.3
Good
10,477 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
6.9
Okay
767 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,292 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,287 reviews
Virgin Atlantic
7.5
Good
698 reviews
Check prices

Boarding

7.7

Food

6.9

Comfort

7.3

Crew

8.1

Entertainment

7.5

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

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

    A quick flight from London to District of Columbia can take about 10h 55m. TAP AIR PORTUGAL provides one of the quickest options available for as low as £486. London and District of Columbia are separated by a distance of 3664 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    One-way options have recently been found by users for as low as £334 on British Airways. Other airlines that offer cheap prices include Iberia from £338 and JetBlue from £340 one-way.

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

    While some choose either London Gatwick - Washington, D.C. Dulles Intl or London Heathrow - Washington, D.C. Reagan-National, London Heathrow - Washington, D.C. Dulles Intl is the most popular route 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: Air Canada (75%), Austrian Airlines (75%), Copa Airlines( 75%).

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

    On average you can expect to pay £992 for a flight from London to District of Columbia. The cheapest flight overall is £365 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £343.

  • 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, February is the cheapest month in which you can book a flight from London to District of Columbia (average of £473). Flying from London to District of Columbia in June is currently the most expensive (average of £579). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to District of Columbia

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Southend to John F Kennedy Intl flights
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Gatwick to Fort Lauderdale flights
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Heathrow to Denver flights
Luton to Orlando flights

Top 10 airlines flying from London to District of Columbia

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£270Average£526FlexibilityNo cancel feeOn-time72%
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IcelandairCheapest£286Average£488FlexibilityNo cancel feeOn-time76%
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TAP AIR PORTUGALCheapest£342Average£463FlexibilityNo cancel feeOn-timeN/A
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KLMCheapest£377Average£579FlexibilityNo cancel feeOn-time75%
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Aer LingusCheapest£401Average£591FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest£408Average£578FlexibilityNo cancel feeOn-time69%
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Scandinavian AirlinesCheapest£410Average£518FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
LufthansaCheapest£412Average£544FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£413Average£566FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£417Average£609FlexibilityNo cancel feeOn-time77%
Search Iberia flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from London to District of Columbia 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 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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