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Cheap flights from District of Columbia to London Heathrow Airport from £210

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
20 Jan — 27 Jan1
1 adult

Cheap flight deals from District of Columbia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from District of Columbia (USDC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 January 2025.

Round-trip from

£429

One-way from

£210
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/3-28/3
  • 3 total stops
  • 30h 25m total
  • District of Columbia to London
Icelandair
  • Icelandair
  • 25/2
  • 1 total stop
  • 10h 10m total
  • District of Columbia to London

Find flight deals from District of Columbia to Heathrow

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 15 January 2025.

Sat 22/318:10IAD - LHR
2 stops16h 25mScandinavian Airlines
Fri 28/306:40LHR - IAD
1 stop14h 00mScandinavian Airlines
Deal found 14/1£429
Thu 27/215:50DCA - LHR
1 stop9h 05mJetBlue
Mon 3/308:25LHR - DCA
1 stop11h 40mJetBlue
Deal found 14/1£430
Sun 4/520:30IAD - LHR
1 stop18h 50mIcelandair
Mon 19/513:05LHR - IAD
1 stop11h 15mIcelandair
Deal found 14/1£431
Tue 25/219:40IAD - LHR
2 stops16h 10mMultiple Airlines
Sun 2/307:50LHR - IAD
2 stops15h 35mMultiple Airlines
Deal found 14/1£444
Mon 27/119:15IAD - LHR
1 stop12h 25mTAP AIR PORTUGAL
Thu 13/206:00LHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Deal found 14/1£447
Wed 29/121:55IAD - LHR
Nonstop7h 10mIberia
Wed 12/212:10LHR - IAD
Nonstop8h 25mIberia
Deal found 14/1£463
Sun 26/117:49DCA - LHR
1 stop9h 46mIberia
Tue 4/211:25LHR - DCA
2 stops16h 16mIberia
Deal found 14/1£495
Mon 3/218:45IAD - LHR
Nonstop7h 30mVirgin Atlantic
Wed 12/208:40LHR - IAD
1 stop12h 05mVirgin Atlantic
Deal found 15/1£502
Mon 10/319:45IAD - LHR
Nonstop7h 30mDelta
Fri 21/308:40LHR - IAD
1 stop12h 05mDelta
Deal found 13/1£503
Sun 26/121:55IAD - LHR
Nonstop7h 10mFinnair
Tue 4/216:30LHR - IAD
Nonstop8h 15mFinnair
Deal found 14/1£504
Mon 24/212:55DCA - LHR
2 stops13h 15mAir Canada
Tue 4/308:55LHR - DCA
2 stops17h 05mAir Canada
Deal found 14/1£507
Tue 4/319:05DCA - LHR
1 stop9h 25mBritish Airways
Mon 10/319:40LHR - DCA
2 stops27h 33mBritish Airways
Deal found 14/1£509

Find flights from District of Columbia to Heathrow within your budget

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 15 January 2025.

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Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 22/3

18:10-14:35

2 stops16h 25m

London Heathrow

Fri 28/3

06:40-16:40

1 stop14h 00m

£429

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 27/2

15:50-05:55

1 stop9h 05m

London Heathrow

Mon 3/3

08:25-15:05

1 stop11h 40m

£430

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 4/5

20:30-20:20

1 stop18h 50m

London Heathrow

Tue 20/5

13:05-19:20

1 stop11h 15m

£431

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 25/2

19:40-16:50

2 stops16h 10m

London Heathrow

Sun 2/3

07:50-18:25

2 stops15h 35m

£444

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 31/1

22:30-18:55

1 stop15h 25m

London Heathrow

Wed 12/2

18:30-15:00

1 stop25h 30m

£447

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 29/1

21:55-10:05

Nonstop7h 10m

London Heathrow

Wed 5/2

16:30-19:45

Nonstop8h 15m

£463

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 26/1

18:25-06:55

Nonstop7h 30m

London Heathrow

Tue 4/2

08:40-15:45

1 stop12h 05m

£478

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 26/1

17:49-08:35

1 stop9h 46m

London Heathrow

Tue 4/2

11:25-22:41

2 stops16h 16m

£495

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 12/2

18:45-07:15

Nonstop7h 30m

London Heathrow

Wed 19/2

08:40-15:45

1 stop12h 05m

£503

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 26/1

21:55-10:05

Nonstop7h 10m

London Heathrow

Tue 4/2

16:30-19:45

Nonstop8h 15m

£504

Flights are sorted by cheapest return flights first.

Deals found on 14/1

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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.

Travel insights for flights from District of Columbia to Heathrow

Get recent, data-driven insights about flights from District of Columbia to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from District of Columbia to London Heathrow Airport (average of £112). Flying from District of Columbia to London Heathrow Airport in August is currently the most expensive (average of £161). 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 15 January 2025.

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 Heathrow Airport as you normally would.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 15 January 2025.
Read through reviews of airlines operating flights from District of Columbia to London, such as Scandinavian Airlines, TAP AIR PORTUGAL and Iberia. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very Good
8,511 reviews

Boarding