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Cheap flights from Washington, D.C. to London from £169

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 27/1. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LON
27 Dec — 3 Jan1
1 adult

The best prices from Washington, D.C. to London are usually found in January or February, booked 73 days in advance, depart on a Monday or Tuesday and return on a Wednesday

Cheap flight deals from Washington, D.C. to London

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to London (LON). 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 22 December 2024.

Round-trip from

£382

One-way from

£169

Popular in

June

Cheapest in

January

Average price

£699
5/3-11/3
  • 5/3-11/3
  • 2 total stops
  • 36h 05m total
  • Washington, D.C. to London
27/1
  • 27/1
  • 2 total stops
  • 36h 07m total
  • Washington, D.C. to London
High demand for flights, 15% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in December 2024

Find flight deals from Washington, D.C. to London

Cheapest flights from Washington, D.C. to London
Explore the most affordable flight options available from Washington, D.C. to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 December 2024.

Tue 31/1218:10BWI - STN
1 stop10h 50mPLAY
Thu 1/511:40STN - BWI
1 stop11h 00mPLAY
Deal found 21/12£405
Tue 31/1219:40IAD - LGW
1 stop10h 15mIcelandair
Thu 1/515:40LGW - IAD
1 stop32h 35mIcelandair
Deal found 21/12£478
Tue 31/1218:10BWI - STN
1 stop10h 50mMultiple Airlines
Tue 14/111:00STN - BWI
2 stops31h 48mMultiple Airlines
Deal found 21/12£499
Mon 30/1219:30BWI - LGW
1 stop10h 25mIcelandair
Wed 29/111:55LGW - BWI
1 stop11h 35mIcelandair
Deal found 20/12£526
Mon 30/1219:40IAD - LHR
1 stop10h 10mIcelandair
Thu 30/112:15LHR - IAD
1 stop11h 10mIcelandair
Deal found 21/12£528
Tue 31/1211:44DCA - LHR
1 stop13h 11mJetBlue
Thu 1/511:55LHR - DCA
1 stop15h 05mJetBlue
Deal found 21/12£536
Mon 30/1219:30BWI - LHR
1 stop10h 20mIcelandair
Thu 23/112:15LHR - BWI
1 stop11h 15mIcelandair
Deal found 21/12£547
Tue 31/1218:10BWI - LTN
2 stops21h 55mMultiple Airlines
Thu 1/508:45LTN - BWI
2 stops13h 55mMultiple Airlines
Deal found 21/12£562
Mon 30/1217:10IAD - LHR
1 stop17h 50mScandinavian Airlines
Sun 12/117:00LHR - IAD
1 stop27h 40mScandinavian Airlines
Deal found 21/12£578
Tue 31/1222:10IAD - LHR
1 stop29h 20mMultiple Airlines
Thu 1/518:40LHR - IAD
1 stop26h 35mMultiple Airlines
Deal found 21/12£592
Mon 30/1206:38DCA - LHR
1 stop10h 32mBritish Airways
Wed 29/111:00LHR - DCA
1 stop17h 20mBritish Airways
Deal found 20/12£593
Mon 30/1222:15IAD - LHR
Nonstop7h 35mUnited Airlines
Thu 30/107:30LHR - IAD
1 stop13h 20mUnited Airlines
Deal found 21/12£601

Find flights from Washington, D.C. to London within your budget

Customise your flight search to find flights from Washington, D.C. to London 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 22 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 5/3

18:10-21:15

1 stop22h 05m

London Gatwick

Tue 11/3

08:00-18:00

1 stop14h 00m

£382

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sat 29/3

19:10-09:40

1 stop10h 30m

London Stansted

Mon 28/4

11:40-17:40

1 stop11h 00m

£382

BaltimoreLondon

BWI - LTN

BWILTN

Baltimore/Washington

Mon 20/1

18:10-22:00

2 stops22h 50m

London Luton

Mon 27/1

07:10-17:00

2 stops14h 50m

£388

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 19/1

18:10-13:25

2 stops14h 15m

London Heathrow

Sun 26/1

07:50-17:00

2 stops14h 10m

£391

BaltimoreLondon

BWI - STN

BWISTN

Baltimore/Washington

Sat 29/3

19:10-09:40

1 stop10h 30m

London Stansted

Sun 27/4

07:25-17:40

1 stop15h 15m

£395

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 29/1

19:30-10:55

1 stop10h 25m

London Gatwick

Sat 8/2

11:55-18:30

1 stop11h 35m

£399

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 29/1

19:30-10:50

1 stop10h 20m

London Heathrow

Sat 8/2

12:15-18:30

1 stop11h 15m

£402

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 6/2

19:40-10:55

1 stop10h 15m

London Gatwick

Tue 11/2

11:55-18:25

1 stop11h 30m

£426

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 31/1

19:40-10:50

1 stop10h 10m

London Heathrow

Thu 20/2

20:40-18:25

1 stop26h 45m

£426

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 3/3

17:10-18:30

1 stop20h 20m

London Heathrow

Mon 10/3

06:40-16:40

1 stop14h 00m

£427

Flights are sorted by cheapest return flights first.

Deals found on 21/12

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to London

Have a flexible travel schedule? Discover the best time to fly to London from Washington, D.C. 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 Washington, D.C. to London

Get recent, data-driven insights about flights from Washington, D.C. to London including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Washington, D.C. to London?

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to London. Price data was last updated on 20 December 2024.

The best time to book flights from Washington, D.C. to London is 73 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to London?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to London (average of £112). Flying from Washington, D.C. to London in July is currently the most expensive (average of £160). 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 WAS to LON?

Find hourly flight availability from Washington, D.C. to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2024.

It’s optimal to fly from Washington, D.C. to London in the morning. By choosing this option you can save up to 61% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from Washington, D.C. to London

Explore weekly flight availability from Washington, D.C. to London. 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 22 December 2024.

The most flights from WAS to LON are scheduled on a Saturday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (23 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 22 December 2024.
Read through reviews of airlines operating flights from Washington, D.C. to London, such as Scandinavian Airlines, Air Canada and British Airways. 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.
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,594 reviews
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,342 reviews
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.7
Good
1,283 reviews
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,127 reviews
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
785 reviews
8.0
Very Good
8,594 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.9

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to London. 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 Washington, D.C. to London round-trip?

    PLAY, at £382, was found to be the cheapest airline from Washington, D.C. to London.Alternate airlines flying return to your destination include Icelandair and Scandinavian Airlines. These flights start at 35% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to London one-way?

    The cheapest airline one-way is PLAY, with whom users have recently found tickets for as low as £173. However, be on the lookout for offers from Icelandair and JetBlue, as they are both options that can get you from Washington, D.C. to London for a low price.

  • What are the most popular routes from Washington, D.C. to London?

  • What are the most reliable airlines from Washington, D.C. to London?

    Before booking your flight to London from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Virgin Atlantic (86%), Singapore Airlines (86%), Air France( 84%).

  • What are the cheapest flights from Washington, D.C. to London?

    Looking at all options, your cheapest flight can be booked for £329. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for £387 on average our data indicates £1,259 when flying from Washington, D.C. to London.

  • Can I find deals for flights from Washington, D.C. to London that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to London?

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

  • Can I find deals for business class flights from Washington, D.C. to London?

    Yes. Cheapflights offers flight deals from Washington, D.C. to London 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 Washington, D.C. to London?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to London (average of £112). Flying from Washington, D.C. to London in July is currently the most expensive (average of £160). 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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Top 10 airlines flying from Washington, D.C. to London

Discover the top 10 airlines that operate flights from Washington, D.C. to London. 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 22 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£330Average£527FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
PLAYCheapest£334Average£653FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
IcelandairCheapest£381Average£595FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£454Average£619FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£464Average£610FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£468Average£654FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£471Average£756FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IberiaCheapest£476Average£622FlexibilityNo cancel feeOn-time77%
Search Iberia flights
KLMCheapest£494Average£578FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£512Average£683FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

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How does Cheapflights help users find flights from Washington, D.C. to London?

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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 Washington, D.C. to London.

Can Cheapflights find flights from Washington, D.C. to London with no change fees?

Certainly. Search results for flights to London from Washington, D.C. shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Washington, D.C. to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Washington, D.C. today and book when prices fit your budget.

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