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Cheap flights from District of Columbia to London Heathrow Airport from £185

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LHR
12 lis — 19 lis1
1 adult
1 adult, Economy

Cheap flight deals from District of Columbia to Heathrow

Keep the following information in mind while searching for District of Columbia to Heathrow flight deals. Data was last updated 13 października 2025.

Round-trip from

£414

One-way from

£185

Popular in

June

Cheapest in

September

Average price

£500

Good round-trip deal

£513 or less

Good one-way deal

£282 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 28/1-3/2
  • 3 total stops
  • 45h 45m total
  • District of Columbia to London
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JetBlue
  • JetBlue
  • 12/11
  • 1 total stop
  • 10h 16m 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).
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Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from District of Columbia to London Heathrow.
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Price to beat on a one-way flight from District of Columbia to London Heathrow.
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Find flight deals from District of Columbia to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from District of Columbia to Heathrow
Explore the most affordable flight options available from District of Columbia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 października 2025.

pon. 13/1017:52IAD - LHR
1 stop12h 18mVirgin Atlantic
wt. 21/1008:40LHR - IAD
1 stop11h 55mVirgin Atlantic
Deal found 12/10£414
pon. 1/1219:40IAD - LHR
2 stops20h 40mMultiple Airlines
pt. 5/1206:40LHR - IAD
2 stops16h 50mMultiple Airlines
Deal found 12/10£415
pon. 13/1020:25IAD - LHR
1 stop9h 45mAer Lingus
wt. 21/1009:50LHR - IAD
1 stop11h 00mAer Lingus
Deal found 12/10£415
pon. 29/1220:30IAD - LHR
1 stop14h 50mSWISS
czw. 15/109:00LHR - IAD
1 stop12h 40mSWISS
Deal found 12/10£416
śr. 22/1018:30IAD - LHR
Nonstop7h 30mVirgin Atlantic
wt. 4/1116:50LHR - IAD
Nonstop8h 40mVirgin Atlantic
Deal found 13/10£417
czw. 4/1219:40IAD - LHR
1 stop18h 50mIcelandair
ndz. 14/1220:35LHR - IAD
1 stop26h 55mIcelandair
Deal found 12/10£418
śr. 19/1117:05IAD - LHR
1 stop12h 05mAer Lingus
czw. 27/1107:50LHR - IAD
1 stop12h 45mAer Lingus
Deal found 11/10£418
pt. 28/1122:30IAD - LHR
1 stop18h 05mTAP AIR PORTUGAL
ndz. 7/1219:55LHR - IAD
1 stop24h 20mTAP AIR PORTUGAL
Deal found 13/10£419
ndz. 19/1018:45IAD - LHR
Nonstop7h 30mVirgin Atlantic
wt. 28/1010:00LHR - IAD
1 stop11h 05mVirgin Atlantic
Deal found 13/10£421
wt. 4/1119:40IAD - LHR
1 stop10h 10mIcelandair
pt. 14/1112:15LHR - IAD
1 stop11h 15mIcelandair
Deal found 13/10£422
pon. 8/1213:15DCA - LHR
2 stops21h 45mScandinavian Airlines
sob. 13/1206:40LHR - DCA
2 stops21h 17mScandinavian Airlines
Deal found 11/10£434
śr. 26/1117:45DCA - LHR
1 stop9h 55mAmerican Airlines
śr. 3/1211:40LHR - DCA
1 stop11h 15mAmerican Airlines
Deal found 12/10£437

Cheapflights Fare Finder

 
Customise your flight search to find flights from District of Columbia to Heathrow 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 13 października 2025.
Use the filters below to find and compare flights from District of Columbia to London Heathrow Airport that are best for you.

Fly from

District of Columbia

Fly to

Heathrow

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

wt. 17/3

12:30-09:20

2 stops16h 50m

London Heathrow

wt. 24/3

18:40-18:15

1 stop27h 35m

£415

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

wt. 24/2

12:30-16:00

2 stops22h 30m

London Heathrow

sob. 28/2

06:40-18:50

2 stops17h 10m

£431

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

pon. 1/12

22:20-10:50

Nonstop7h 30m

London Heathrow

śr. 10/12

09:00-16:35

1 stop12h 35m

£433

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 26/11

22:20-10:50

Nonstop7h 30m

London Heathrow

pt. 5/12

08:55-16:35

1 stop12h 40m

£433

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 5/11

22:20-10:50

Nonstop7h 30m

London Heathrow

pt. 14/11

10:00-16:05

1 stop11h 05m

£434

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

ndz. 26/10

17:52-09:00

1 stop11h 08m

London Heathrow

wt. 4/11

11:30-19:15

1 stop12h 45m

£436

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 5/11

17:10-08:45

1 stop10h 35m

London Heathrow

pon. 10/11

11:45-16:05

1 stop33h 20m

£437

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 3/12

21:45-10:00

Nonstop7h 15m

London Heathrow

wt. 16/12

16:25-19:55

Nonstop8h 30m

£438

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 29/10

19:20-06:30

Nonstop7h 10m

London Heathrow

śr. 12/11

12:10-15:35

Nonstop8h 25m

£439

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

śr. 19/11

18:20-06:30

Nonstop7h 10m

London Heathrow

śr. 3/12

12:10-15:35

Nonstop8h 25m

£439

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 45 results
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Best time to book a flight from District of Columbia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, March is the cheapest month in which you can book a flight from District of Columbia to London Heathrow Airport (average of £23). Flying from District of Columbia to London Heathrow Airport in June is currently the most expensive (average of £561). 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 LHR?

Find hourly flight availability from District of Columbia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 października 2025.

When flying from District of Columbia to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 8% versus a flight at midday.

Weekly flight availability from District of Columbia to London Heathrow Airport

Explore weekly flight availability from District of Columbia to Heathrow. 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 13 października 2025.

The most flights from USDC to LHR are scheduled on a Saturday (26 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).

Related info for your journey

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

    A quick flight from District of Columbia to London Heathrow Airport can take about 7h 30m. Scandinavian Airlines provides one of the quickest options available for as low as £433. The distance between District of Columbia and London Heathrow Airport is about 3664 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £185. Users have also found prices from £190 and £208 on TAP AIR PORTUGAL and Scandinavian Airlines, respectively.

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

    Before booking your flight to London Heathrow Airport from District of Columbia, check out the most reliable airlines to get you to your destination on time: Aeromexico (100%), American Airlines (84%), British Airways( 84%).

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

    The cheapest flight price from District of Columbia to London Heathrow Airport is £266. On average you can expect to pay £461. The most popular route, (Washington, D.C. Dulles Intl - London Heathrow), can usually be booked for £316.

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

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

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

    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 Heathrow.

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

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

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to London Heathrow Airport (average of £23). Flying from District of Columbia to London Heathrow Airport in June is currently the most expensive (average of £561). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Swindon
Romford
Ipswich
Brentford
Dartford

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Alternative routes for District of Columbia to Heathrow

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 Heathrow

Discover the top 9 airlines that operate flights from District of Columbia to Heathrow. 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 13 października 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£311Average£527FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
IcelandairCheapest£370Average£547FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£384Average£639FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£388Average£583FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£399Average£540FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£432Average£541FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£508Average£619FlexibilityNo cancel feeOn-time75%
Search KLM flights
American AirlinesCheapest£517Average£724FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest£527Average£629FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from District of Columbia to Heathrow 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 Heathrow?

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 Heathrow for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from District of Columbia to Heathrow 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 Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from District of Columbia to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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