London

$264+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Aug 4 — Aug 111
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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 July 30, 2025.

Round-trip from

$500
(oojo)

One-way from

$264
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$808

Good round-trip deal

$568 or less

Good one-way deal

$395 or less
From District of Columbia to London (LON)
One-way flight from District of Columbia to London (LON)
Highest demand for flights based on searches. 12% potential increase in price ($99 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Average for round-trip flights in July 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 July 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:50 pmIAD - LHR
Nonstop7h 25mBritish Airways
Tue 9/165:00 pmLHR - IAD
Nonstop8h 10mBritish Airways
Deal found 7/30$500
This oojo deal was found by Cheapflights users on 7/28. 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.
Fri 9/2611:15 pmIAD - LGW
1 stop10h 25mIcelandair
Tue 9/303:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 7/28$501
This Booking.com deal was found by Cheapflights users on 7/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:10 pmDCA - LHR
1 stop11h 00mMultiple Airlines
Wed 11/511:10 amLHR - DCA
2 stops15h 46mMultiple Airlines
Deal found 7/30$501
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:15 pmIAD - LHR
1 stop31h 40mIcelandair
Sun 10/121:05 pmLHR - IAD
1 stop14h 05mIcelandair
Deal found 7/29$501
This Mytrip deal was found by Cheapflights users on 7/30. 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.
Sun 8/1710:20 pmIAD - LGW
1 stop30h 25mTAP AIR PORTUGAL
Tue 8/264:25 pmLGW - IAD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 7/30$502
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:39 pmDCA - LGW
2 stops16h 16mIberia
Wed 10/223:05 pmLGW - DCA
1 stop12h 52mIberia
Deal found 7/30$502
This Air Canada deal was found by Cheapflights users on 7/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:55 pmDCA - LHR
1 stop14h 40mAir Canada
Thu 10/96:50 amLHR - DCA
2 stops14h 01mAir Canada
Deal found 7/30$503
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:35 pmIAD - LHR
Nonstop7h 20mUnited Airlines
Wed 9/37:25 amLHR - IAD
1 stop12h 40mUnited Airlines
Deal found 7/28$503
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:25 pmIAD - STN
1 stop14h 40mMultiple Airlines
Tue 9/911:15 amSTN - IAD
1 stop13h 15mMultiple Airlines
Deal found 7/29$504
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/194:35 pmIAD - LGW
1 stop13h 15mIberia
Wed 9/108:40 pmLGW - IAD
1 stop23h 20mIberia
Deal found 7/30$504
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:35 amIAD - LHR
1 stop15h 55mAir Canada
Tue 9/96:00 amLHR - IAD
2 stops15h 10mAir Canada
Deal found 7/28$506
This Mytrip deal was found by Cheapflights users on 7/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/18:25 pmIAD - LTN
1 stop20h 00mMultiple Airlines
Tue 9/910:00 amLTN - IAD
1 stop14h 30mMultiple Airlines
Deal found 7/29$506

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 July 30, 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

Mon 9/1

5:50 pm-6:15 am

Nonstop7h 25m

London Heathrow

Tue 9/16

5:00 pm-8:10 pm

Nonstop8h 10m

$500

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 9/26

11:15 pm-2:40 pm

1 stop10h 25m

London Gatwick

Tue 9/30

3:40 pm-7:20 pm

1 stop32h 40m

$501

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 10/3

11:15 pm-11:55 am

1 stop31h 40m

London Heathrow

Sun 10/12

1:05 pm-10:10 pm

1 stop14h 05m

$501

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 8/17

10:20 pm-9:45 am

1 stop30h 25m

London Gatwick

Tue 8/26

4:25 pm-3:20 pm

1 stop27h 55m

$502

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/22

1:39 pm-10:55 am

2 stops16h 16m

London Gatwick

Wed 10/22

3:05 pm-10:57 pm

1 stop12h 52m

$502

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 9/24

12:55 pm-8:35 am

1 stop14h 40m

London Heathrow

Thu 10/9

6:50 am-3:51 pm

2 stops14h 01m

$503

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/25

6:35 pm-6:55 am

Nonstop7h 20m

London Heathrow

Wed 9/3

7:25 am-3:05 pm

1 stop12h 40m

$503

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Mon 9/1

8:25 pm-4:05 pm

1 stop14h 40m

London Stansted

Tue 9/9

11:15 am-7:30 pm

1 stop13h 15m

$504

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 8/19

4:35 pm-10:50 am

1 stop13h 15m

London Gatwick

Wed 9/10

8:40 pm-3:00 pm

1 stop23h 20m

$504

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 10/15

4:35 pm-9:35 am

1 stop12h 00m

London Heathrow

Tue 10/21

6:50 am-3:51 pm

2 stops14h 01m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 $1,097). 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 July 30, 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 July 30, 2025.

The most flights from USDC to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from District of Columbia to London?

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 July 30, 2025.
Read reviews from past customers who have flown Delta, KLM, and Austrian Airlines from District of Columbia to London. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $264. However, be on the lookout for offers from Finnair 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 (53%), Aer Lingus (52%), British Airways (52%).

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

    Looking at all options, your cheapest flight can be booked for $298. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $424 on average our data indicates $2,103 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 $1,097). 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 London?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$31Average$816FlexibilityNo cancel feeOn-time62%
PLAYCheapest$313Average$515FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$409Average$598FlexibilityNo cancel feeOn-time77%
DeltaCheapest$421Average$802FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$433Average$613FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$441Average$690FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$447Average$755FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$497Average$852FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$497Average$848FlexibilityNo cancel feeOn-time71%
KLMCheapest$520Average$615FlexibilityNo cancel feeOn-time75%

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