London

$245+ Cheap flights from District of Columbia to London (LON)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Apr 5 — Apr 121
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Cheap flight deals from District of Columbia to London

Keep the following information in mind while searching for District of Columbia to London flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$592
(Scandinavian Airlines)

One-way from

$245
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$676

Good round-trip deal

$695 or less

Good one-way deal

$465 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
From District of Columbia to London (LON)
One-way flight from District of Columbia to London (LON)
Highest demand for flights based on searches. 14% potential increase in price ($126 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from District of Columbia to London (LON).
Price to beat on a one-way flight from District of Columbia to London (LON).

Find flight deals from District of Columbia to London

Cheapest flights from District of Columbia to London
Explore the most affordable flight options available from District of Columbia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1510:05 pmIAD - LHR
2 stops18h 30mScandinavian Airlines
Thu 5/17:05 amLHR - IAD
2 stops17h 54mScandinavian Airlines
Deal found 3/30$592
This Gotogate deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:30 pmIAD - LGW
1 stop13h 10mIcelandair
Mon 4/283:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 3/30$593
This JetBlue deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/13:45 pmDCA - LHR
1 stop9h 45mJetBlue
Tue 4/158:15 amLHR - DCA
1 stop17h 44mJetBlue
Deal found 3/31$593
This oojo deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:50 pmIAD - LGW
1 stop15h 10mTAP AIR PORTUGAL
Wed 10/84:25 pmLGW - IAD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 3/31$595
This FlightHub deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/28:30 pmIAD - LHR
1 stop18h 50mIcelandair
Thu 5/81:05 pmLHR - IAD
1 stop11h 15mIcelandair
Deal found 3/30$596
This JetBlue Airways deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:45 pmDCA - LGW
1 stop11h 50mJetBlue
Tue 9/2312:10 pmLGW - DCA
1 stop13h 41mJetBlue
Deal found 3/31$598
This eDestinos deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:40 pmIAD - LHR
Nonstop7h 35mIberia
Wed 4/305:00 pmLHR - IAD
Nonstop8h 10mIberia
Deal found 3/30$599
This Kiwi.com deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/88:30 pmIAD - LGW
1 stop10h 15mMultiple Airlines
Wed 4/232:00 pmLGW - IAD
1 stop31h 35mMultiple Airlines
Deal found 3/29$608
This eDestinos deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:20 pmIAD - LHR
1 stop10h 45mAer Lingus
Wed 4/3012:00 pmLHR - IAD
1 stop12h 30mAer Lingus
Deal found 3/30$620
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/18:30 pmIAD - STN
2 stops18h 00mMultiple Airlines
Wed 5/79:55 amSTN - IAD
2 stops14h 25mMultiple Airlines
Deal found 3/30$621
This lol.travel deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:50 pmIAD - LHR
Nonstop7h 30mVirgin Atlantic
Wed 4/239:00 amLHR - IAD
1 stop12h 20mVirgin Atlantic
Deal found 3/30$626
This Finnair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:40 amDCA - LGW
1 stop15h 30mMultiple Airlines
Tue 5/612:20 pmLGW - DCA
1 stop14h 09mMultiple Airlines
Deal found 3/30$633

Cheapflights Fare Finder

Customize your flight search to find flights from District of Columbia 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 2,558,603 searches. Data last updated March 31, 2025.
Use the filters below to find and compare flights from District of Columbia to London that are best for you.

Fly from

District of Columbia

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 4/15

10:05 pm-9:35 pm

2 stops18h 30m

London Heathrow

Thu 5/1

7:05 am-7:59 pm

2 stops17h 54m

$592

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 4/24

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Mon 4/28

3:40 pm-7:20 pm

1 stop32h 40m

$593

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 9/22

1:45 pm-6:30 am

1 stop11h 45m

London Heathrow

Thu 10/9

8:15 am-6:44 pm

1 stop15h 29m

$593

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 5/2

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Tue 5/6

1:05 pm-7:20 pm

1 stop11h 15m

$596

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 9/16

4:45 pm-9:35 am

1 stop11h 50m

London Gatwick

Tue 9/23

12:10 pm-8:51 pm

1 stop13h 41m

$598

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/23

5:40 pm-6:15 am

Nonstop7h 35m

London Heathrow

Wed 4/30

12:45 pm-3:50 pm

Nonstop8h 05m

$599

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/23

10:20 pm-3:35 pm

1 stop12h 15m

London Gatwick

Thu 10/9

10:35 am-8:50 pm

1 stop15h 15m

$601

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 4/24

8:30 pm-2:40 pm

1 stop13h 10m

London Gatwick

Thu 5/1

2:00 pm-4:36 pm

1 stop31h 36m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/23

5:20 pm-9:05 am

1 stop10h 45m

London Heathrow

Wed 4/30

12:00 pm-7:30 pm

1 stop12h 30m

$620

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 5/1

8:30 pm-7:30 pm

2 stops18h 00m

London Stansted

Wed 5/7

9:55 am-7:20 pm

2 stops14h 25m

$621

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 60 results
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Best time to book a flight from District of Columbia to London

Have a flexible travel schedule? Discover the best time to fly to London from District of Columbia with our price prediction graph.
Estimated round-trip 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

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

Currently, November is the cheapest month in which you can book a flight from District of Columbia to London (average of $661). Flying from District of Columbia to London in June is currently the most expensive (average of $1,110). 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 LON?

Find hourly flight availability from District of Columbia 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 March 31, 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 as you normally would.

Weekly flight availability from District of Columbia to London

Explore weekly flight availability from District of Columbia 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 March 31, 2025.

The most flights from USDC to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 March 31, 2025.
To help decide which airline to fly from District of Columbia to London, see what other customers have to say about Delta, Porter Airlines and KLM. 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

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Boarding

8.2

Comfort

8.0

Overall

8.0

Food

7.3

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

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 District of Columbia 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 to fly from District of Columbia to London one-way?

    The cheapest airline one-way is Icelandair, with whom users have recently found tickets for as low as $247. However, be on the lookout for offers from TAP AIR PORTUGAL and JetBlue, as they are both options that can get you from District of Columbia to London for a low price.

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

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

    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 District of Columbia to London on time: American Airlines (65%), Aer Lingus (65%), Finnair (65%).

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

    Looking at all options, your cheapest flight can be booked for $403. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $452 on average our data indicates $1,968 when flying from District of Columbia to London.

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

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

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

    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 London.

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

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

    Currently, November is the cheapest month in which you can book a flight from District of Columbia to London (average of $661). Flying from District of Columbia to London in June is currently the most expensive (average of $1,110). 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

Traveling to a place near District of Columbia?

Book flights to District of Columbia if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for District of Columbia to London

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from District of Columbia to London

Discover the top 10 airlines that operate flights from District of Columbia 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 2,558,603 searches. Data last updated March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$510FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$370Average$598FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$474Average$647FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$486Average$758FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$498Average$680FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$549Average$750FlexibilityNo cancel feeOn-time67%
DeltaCheapest$560Average$888FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$562Average$755FlexibilityNo cancel feeOn-time77%
FinnairCheapest$571Average$764FlexibilityNo cancel feeOn-time76%
SWISSCheapest$572Average$806FlexibilityNo cancel feeOn-time79%
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