Cheap flights from London to Washington, D.C. from £284
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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — WAS
24 Dec — 31 Dec1
Return
1 adult
Economy
The best prices from London to Washington, D.C. are usually found in February or January, booked 86 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from London to Washington, D.C.
Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Washington, D.C. (WAS). 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 19 December 2024.
Explore the most affordable flight options available from London to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 December 2024.
Mon 30/1206:30LHR - IAD
1 stop14h 15mDelta
Thu 9/119:37IAD - LHR
1 stop9h 53mDelta
Deal found 18/12£503
Sun 29/1210:05LHR - IAD
1 stop14h 35mIberia
Sun 26/120:05IAD - LHR
1 stop29h 55mIberia
Deal found 18/12£522
Fri 27/1205:55STN - BWI
2 stops16h 05mMultiple Airlines
Wed 8/118:10BWI - STN
1 stop10h 50mMultiple Airlines
Deal found 18/12£526
Sun 29/1210:35LHR - DCA
1 stop13h 20mAmerican Airlines
Thu 9/117:30DCA - LHR
1 stop10h 45mAmerican Airlines
Deal found 18/12£527
Sun 29/1210:35LHR - IAD
2 stops27h 14mAmerican Airlines
Sun 26/113:53IAD - LHR
2 stops15h 22mAmerican Airlines
Deal found 18/12£528
Wed 25/1216:30LHR - IAD
Nonstop8h 15mBritish Airways
Thu 9/121:55IAD - LHR
Nonstop7h 10mBritish Airways
Deal found 18/12£536
Mon 30/1209:20LCY - IAD
1 stop11h 25mDelta
Thu 9/117:35IAD - LCY
1 stop10h 15mDelta
Deal found 18/12£544
Sat 28/1215:00LHR - DCA
1 stop24h 19mLufthansa
Wed 8/115:00DCA - LHR
1 stop10h 20mLufthansa
Deal found 18/12£548
Sun 29/1210:05LHR - BWI
1 stop17h 22mAmerican Airlines
Sun 26/108:23BWI - LHR
1 stop17h 37mAmerican Airlines
Deal found 18/12£557
Sat 28/1214:30LHR - IAD
1 stop24h 16mLufthansa
Wed 8/122:30IAD - LHR
Nonstop7h 35mLufthansa
Deal found 18/12£562
Sun 29/1206:30LHR - IAD
1 stop14h 15mVirgin Atlantic
Sun 26/118:25IAD - LHR
Nonstop7h 30mVirgin Atlantic
Deal found 18/12£563
Sun 29/1212:25LHR - IAD
Nonstop8h 40mKLM
Sun 26/118:25IAD - LHR
Nonstop7h 30mKLM
Deal found 18/12£565
Best flights from London to Washington, D.C.
Discover carefully curated flight deals from London to Washington, D.C. that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 19 December 2024.
Tue 28/120:40LHR - BWI
1 stop25h 20mMultiple Airlines
Wed 23/418:50BWI - LHR
1 stop14h 50mMultiple Airlines
Deal found 18/12£394
Thu 15/511:40STN - BWI
1 stop11h 00mPLAY
Mon 26/518:50BWI - STN
1 stop10h 50mPLAY
Deal found 18/12£395
Thu 13/211:55LGW - IAD
1 stop11h 30mIcelandair
Tue 4/319:40IAD - LGW
1 stop10h 15mIcelandair
Deal found 17/12£440
Wed 12/208:25LHR - DCA
1 stop17h 34mJetBlue
Thu 20/215:35DCA - LHR
1 stop9h 20mJetBlue
Deal found 16/12£441
Thu 16/112:05LHR - IAD
1 stop33h 20mLufthansa
Sat 18/112:45IAD - LHR
1 stop26h 50mLufthansa
Deal found 18/12£460
Wed 15/114:10LHR - BWI
2 stops15h 08mFinnair
Wed 22/113:48BWI - LHR
2 stops15h 27mFinnair
Deal found 18/12£463
Thu 16/109:50LHR - IAD
1 stop10h 50mAer Lingus
Tue 21/117:10IAD - LHR
1 stop13h 15mAer Lingus
Deal found 17/12£472
Fri 31/121:05LHR - IAD
2 stops23h 35mScandinavian Airlines
Fri 7/217:10IAD - LHR
2 stops16h 25mScandinavian Airlines
Deal found 17/12£474
Thu 13/206:00LHR - IAD
1 stop14h 00mTAP AIR PORTUGAL
Tue 4/317:30IAD - LHR
1 stop23h 05mTAP AIR PORTUGAL
Deal found 17/12£476
Wed 15/109:00LHR - IAD
1 stop12h 15mKLM
Wed 22/118:45IAD - LHR
Nonstop7h 30mKLM
Deal found 18/12£480
Mon 27/120:25LHR - IAD
1 stop24h 20mVirgin Atlantic
Thu 20/220:40IAD - LHR
Nonstop7h 30mVirgin Atlantic
Deal found 18/12£484
Mon 13/112:10LHR - IAD
Nonstop8h 25mBritish Airways
Mon 20/118:00IAD - LHR
Nonstop7h 15mBritish Airways
Deal found 18/12£495
Direct flights from London to Washington, D.C.
Explore direct flight options from London to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated 19 December 2024.
Mon 13/116:30LHR - IAD
Nonstop8h 15mBritish Airways
Mon 20/121:55IAD - LHR
Nonstop7h 10mBritish Airways
Deal found 18/12£481
Mon 20/115:25LHR - BWI
Nonstop8h 20mBritish Airways
Tue 13/521:20BWI - LHR
Nonstop7h 15mBritish Airways
Deal found 18/12£481
Tue 14/112:25LHR - IAD
Nonstop8h 40mKLM
Wed 22/118:45IAD - LHR
Nonstop7h 30mKLM
Deal found 18/12£491
Mon 27/112:25LHR - IAD
Nonstop8h 40mVirgin Atlantic
Thu 20/220:40IAD - LHR
Nonstop7h 30mVirgin Atlantic
Deal found 18/12£498
Tue 28/116:30LHR - IAD
Nonstop8h 15mFinnair
Wed 9/422:40IAD - LHR
Nonstop7h 25mFinnair
Deal found 18/12£513
Mon 13/115:25LHR - BWI
Nonstop8h 20mFinnair
Mon 20/120:30BWI - LHR
Nonstop7h 10mFinnair
Deal found 18/12£513
Mon 13/112:10LHR - IAD
Nonstop8h 25mIberia
Mon 20/121:55IAD - LHR
Nonstop7h 10mIberia
Deal found 18/12£521
Mon 13/115:25LHR - BWI
Nonstop8h 20mIberia
Mon 20/120:30BWI - LHR
Nonstop7h 10mIberia
Deal found 18/12£521
Wed 22/115:25LHR - BWI
Nonstop8h 20mAmerican Airlines
Wed 14/521:20BWI - LHR
Nonstop7h 15mAmerican Airlines
Deal found 18/12£522
Tue 29/412:45LHR - IAD
Nonstop8h 05mAmerican Airlines
Mon 19/517:50IAD - LHR
Nonstop7h 25mAmerican Airlines
Deal found 18/12£524
Mon 27/115:25LHR - BWI
Nonstop8h 20mMultiple Airlines
Thu 20/220:30BWI - LHR
Nonstop7h 10mMultiple Airlines
Deal found 18/12£536
Thu 9/113:15LHR - IAD
Nonstop8h 40mDelta
Thu 23/120:40IAD - LHR
Nonstop7h 30mDelta
Deal found 18/12£552
Last-minute flights from London to Washington, D.C.
Discover last-minute flight deals from London to Washington, D.C.. Data last updated 19 December 2024 and is based on user searches.
Tue 24/1218:30LHR - IAD
1 stop31h 30mTAP AIR PORTUGAL
Mon 20/119:15IAD - LHR
1 stop21h 20mTAP AIR PORTUGAL
Deal found 17/12£576
Wed 25/1216:30LHR - IAD
Nonstop8h 15mBritish Airways
Thu 9/121:55IAD - LHR
Nonstop7h 10mBritish Airways
Deal found 18/12£536
Wed 25/1208:40LHR - IAD
1 stop12h 05mDelta
Thu 9/120:40IAD - LHR
Nonstop7h 30mDelta
Deal found 18/12£554
Wed 25/1215:25LHR - BWI
Nonstop8h 20mAmerican Airlines
Thu 9/120:30BWI - LHR
Nonstop7h 10mAmerican Airlines
Deal found 18/12£562
Wed 25/1214:10LHR - DCA
1 stop14h 30mAmerican Airlines
Thu 9/106:50DCA - LHR
1 stop10h 20mAmerican Airlines
Deal found 18/12£567
Wed 25/1216:10LHR - BWI
1 stop13h 28mDelta
Thu 9/115:30BWI - LHR
1 stop11h 25mDelta
Deal found 18/12£567
Wed 25/1208:25LHR - DCA
1 stop16h 34mJetBlue
Thu 9/115:00DCA - LHR
1 stop9h 55mJetBlue
Deal found 17/12£573
Thu 26/1212:20LHR - BWI
1 stop16h 08mVirgin Atlantic
Wed 15/112:26BWI - LHR
1 stop13h 24mVirgin Atlantic
Deal found 18/12£569
Fri 27/1205:55STN - BWI
2 stops16h 05mMultiple Airlines
Wed 8/118:10BWI - STN
1 stop10h 50mMultiple Airlines
Deal found 18/12£526
Fri 27/1215:25LHR - BWI
Nonstop8h 20mBritish Airways
Wed 22/120:30BWI - LHR
Nonstop7h 10mBritish Airways
Deal found 18/12£566
Sat 28/1215:00LHR - DCA
1 stop24h 19mLufthansa
Wed 8/115:00DCA - LHR
1 stop10h 20mLufthansa
Deal found 18/12£548
Sat 28/1214:30LHR - IAD
1 stop24h 16mLufthansa
Wed 8/117:45IAD - LHR
1 stop9h 40mLufthansa
Deal found 18/12£562
One-way flights from London to Washington, D.C.
Search for one-way flight options from London to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated 19 December 2024.
Thu 16/120:40LHR - BWI
1 stop25h 20mMultiple Airlines
Deal found 18/12£284
Fri 24/114:00STN - BWI
2 stops32h 00mMultiple Airlines
Deal found 18/12£285
Mon 14/407:40LGW - BWI
1 stop15h 00mMultiple Airlines
Deal found 17/12£286
Mon 27/111:00STN - BWI
1 stop11h 00mPLAY
Deal found 18/12£289
Mon 10/211:00STN - BWI
1 stop11h 00mWorldTicket
Deal found 18/12£323
Thu 16/120:50LHR - IAD
3 stops44h 59mMultiple Airlines
Deal found 18/12£364
Wed 15/115:35LTN - IAD
1 stop31h 50mMultiple Airlines
Deal found 17/12£364
Wed 15/113:55LGW - IAD
1 stop33h 30mMultiple Airlines
Deal found 17/12£365
Mon 24/321:55STN - IAD
2 stops21h 35mMultiple Airlines
Deal found 17/12£366
Sun 12/112:00LGW - DCA
2 stops34h 02mMultiple Airlines
Deal found 18/12£368
Sun 12/114:50LHR - DCA
3 stops55h 12mMultiple Airlines
Deal found 18/12£373
Mon 13/111:55LGW - IAD
1 stop11h 30mIcelandair
Deal found 16/12£379
Find flights from London to Washington, D.C. within your budget
Customise your flight search to find flights from London to Washington, D.C. 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 December 2024.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Mon 20/1
11:00-17:00
1 stop11h 00m
Baltimore/Washington
Tue 13/5
18:50-10:40
1 stop10h 50m
£392
LondonBaltimore
LGW - BWI
LGWBWI
London Gatwick
Wed 5/2
07:25-17:00
1 stop14h 35m
Baltimore/Washington
Mon 17/2
18:10-15:30
1 stop16h 20m
£392
LondonBaltimore
LHR - BWI
LHRBWI
London Heathrow
Tue 28/1
20:40-17:00
1 stop25h 20m
Baltimore/Washington
Wed 23/4
18:50-14:40
1 stop14h 50m
£394
LondonBaltimore
STN - BWI
STNBWI
London Stansted
Tue 14/1
11:00-13:48
2 stops31h 48m
Baltimore/Washington
Sun 19/1
18:10-10:00
1 stop10h 50m
£398
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Wed 12/2
08:25-20:59
1 stop17h 34m
Washington, D.C. Reagan-National
Thu 20/2
15:35-05:55
1 stop9h 20m
£441
LondonWashington, D.C.
LGW - IAD
LGWIAD
London Gatwick
Sat 1/3
11:55-18:25
1 stop11h 30m
Washington, D.C. Dulles Intl
Thu 27/3
20:40-10:55
1 stop10h 15m
£446
LondonBaltimore
LHR - BWI
LHRBWI
London Heathrow
Wed 5/2
15:25-18:45
Nonstop8h 20m
Baltimore/Washington
Mon 17/2
13:48-10:15
2 stops15h 27m
£449
LondonWashington, D.C.
LHR - IAD
LHRIAD
London Heathrow
Thu 16/1
12:05-16:25
1 stop33h 20m
Washington, D.C. Dulles Intl
Sat 18/1
12:45-20:35
1 stop26h 50m
£460
LondonWashington, D.C.
LHR - DCA
LHRDCA
London Heathrow
Sat 18/1
18:00-08:57
1 stop19h 57m
Washington, D.C. Reagan-National
Tue 21/1
18:00-09:10
1 stop10h 10m
£461
LondonWashington, D.C.
LGW - DCA
LGWDCA
London Gatwick
Mon 9/6
12:10-19:52
1 stop12h 42m
Washington, D.C. Reagan-National
Mon 16/6
17:45-09:35
1 stop10h 50m
£469
Flights are sorted by cheapest return flights first.
Deals found on 18/12
Showing 1-10 of 60 results
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Best time to book a flight from London to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.
Travel insights for flights from London to Washington, D.C.
Get recent, data-driven insights about flights from London to Washington, D.C. including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from London to Washington, D.C.?
Use this chart to determine the optimal time to book a return flight from London to Washington, D.C.. Price data was last updated on 13 December 2024.
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from London to Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from London to Washington, D.C. (average of £599). Flying from London to Washington, D.C. in July is currently the most expensive (average of £938). 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 WAS?
Find hourly flight availability from London to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 December 2024.
A simple way to save on the total cost of your ticket is to fly from London to Washington, D.C. in the evening. If you’re flexible enough to do this you can expect to save up to 19% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from London to Washington, D.C.?
Use this chart to determine the cheapest time to fly return from London to Washington, D.C.. Price data was last updated on 23 June 2024.
Travellers seeking maximum savings on their London to Washington, D.C. flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from London to Washington, D.C.
Explore weekly flight availability from London to Washington, D.C.. 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 December 2024.
The most flights from LON to WAS are scheduled on a Tuesday (27 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).
Rainfall in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.
Temperature in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C., 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 19 December 2024.
Get a feel of what it's like to fly with Icelandair, Lufthansa and TAP AIR PORTUGAL from London to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Related info for your journey
Find useful and relevant information for your journey from London to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the cheapest airlines flying from London to Washington, D.C. round-trip?
According to our current data, PLAY (£395), Icelandair (£440), and JetBlue (£441) offers the cheapest pricing from London to Washington, D.C.. Users have found that PLAY is 29% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from London to Washington, D.C. one-way?
For one-way options, check prices for PLAY. According to our data, you can fly for as low as £289. Users have also found prices from £323 and £379 on WorldTicket and Icelandair, respectively.
What are the most popular routes from London to Washington, D.C.?
When deciding which route to take from London to Washington, D.C. consider London Heathrow - Washington, D.C. Dulles Intl, London Heathrow - Baltimore/Washington or London Heathrow - Washington, D.C. Reagan-National as they are the most popular.
What are the most reliable airlines from London to Washington, D.C.?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London to Washington, D.C. on time: Air Canada (89%), Austrian Airlines (89%), Copa Airlines (89%).
What are the cheapest flights from London to Washington, D.C.?
While on average a flight from London to Washington, D.C. is generally £1,315, our data shows the cheapest flight currently is £508. When looking at the most popular route, (London Heathrow - Washington, D.C. Dulles Intl), you can expect to pay £447 for that flight.
Where are the most common stopover locations when flying from London to Washington, D.C.?
Most of the time, London to Washington, D.C. flights that have stopovers will stop in Reykjavik.
What are some popular things to do or see while on a stopover in Reykjavik?
If you're on a stopover in Reykjavik and looking for things to do, consider visiting Hallgrímskirkja, National Cathedral, or Harpa. Travelers on a layover in Reykjavik can visit Hallgrímskirkja, National Cathedral, and Harpa, by traveling 23.2 mi, 23.0 mi, and 23.3 mi, respectively after landing at Reykjavik Keflavik Intl. Travellers can book a car hire at Reykjavik Keflavik Intl for about £36 per day to make their sightseeing more efficient.
Where are the least popular stopover locations for London to Washington, D.C. flights?
Flights departing from London and landing in Washington, D.C. stopover in Dublin least frequently.
Can I find deals for flights from London to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on London to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Washington, D.C..
Can I find deals for business class flights from London to Washington, D.C.?
Yes. Cheapflights offers flight deals from London to Washington, D.C. 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 Washington, D.C.?
Currently, January is the cheapest month in which you can book a flight from London to Washington, D.C. (average of £599). Flying from London to Washington, D.C. in July is currently the most expensive (average of £938). 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.
Browse thousands of different options on Cheapflights for your next trip
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Fly from London to Washington, D.C. on these airlines
Choose from the following airlines for your flight from London to Washington, D.C.. Flights are based on user searches made on Cheapflights and were last updated on 19 December 2024.
Explore flights to Washington, D.C. departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 December 2024.
Top 10 airlines flying from London to Washington, D.C.
Discover the top 10 airlines that operate flights from London to Washington, D.C.. 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 December 2024.
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 London to Washington, D.C.?
When you search for this flight from London to Washington, D.C., Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from London to Washington, D.C.?
Cheapflights simply makes it quick and affordable to book flights from London to Washington, D.C. by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from London to Washington, D.C. with no change fees?
Need flexible booking options for your flight to Washington, D.C. from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from London to Washington, D.C. become cheaper?
Of course! You can now track prices for flights from London to Washington, D.C. 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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