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$255+ Cheap flights from Maryland 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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Jun 17 — Jun 241
Wed 6/17
Wed 6/24
1 adult, Economy
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Cheap flight deals from Maryland to London

Cheapest flights from Maryland to London
Explore the most affordable flight options available from Maryland to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 18, 2026.

This oojo deal was found by Cheapflights users on 5/18. 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 8/198:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Mon 8/241:05 pm
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 5/18$823
This oojo deal was found by Cheapflights users on 5/15. 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.
Sat 8/18:30 pm
BWI
-
LGW
1 stop10h 15m
Icelandair
Mon 8/313:40 pm
LGW
-
BWI
1 stop32h 45m
Icelandair
Deal found 5/15$824
This Kiwi.com deal was found by Cheapflights users on 5/15. 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.
Sat 8/19:28 pm
BWI
-
LGW
1 stop31h 32m
Multiple Airlines
Sun 8/232:00 pm
LGW
-
BWI
2 stops29h 14m
Multiple Airlines
Deal found 5/15$826
This Icelandair deal was found by Cheapflights users on 5/14. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Thu 10/11:05 pm
LHR
-
BWI
1 stop14h 10m
Icelandair
Deal found 5/14$827
This oojo deal was found by Cheapflights users on 5/14. 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.
Sun 11/17:40 pm
BWI
-
LHR
1 stop18h 50m
Icelandair
Fri 11/68:35 pm
LHR
-
BWI
1 stop27h 05m
Icelandair
Deal found 5/14$829
This Kiwi.com deal was found by Cheapflights users on 5/14. 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.
Mon 8/173:21 pm
BWI
-
LGW
1 stop13h 39m
Multiple Airlines
Mon 8/242:00 pm
LGW
-
BWI
1 stop24h 06m
Multiple Airlines
Deal found 5/14$829
This Gotogate deal was found by Cheapflights users on 5/16. 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.
Tue 8/118:30 pm
BWI
-
LHR
1 stop10h 25m
Icelandair
Wed 8/191:05 pm
LHR
-
BWI
1 stop14h 10m
Icelandair
Deal found 5/16$830
This Kiwi.com deal was found by Cheapflights users on 5/14. 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 8/183:09 pm
BWI
-
LGW
1 stop13h 51m
Multiple Airlines
Mon 8/242:00 pm
LGW
-
BWI
1 stop24h 06m
Multiple Airlines
Deal found 5/14$830
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Wed 8/1911:20 pm
BWI
-
LGW
2 stops14h 05m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BWI
1 stop24h 06m
Multiple Airlines
Deal found 5/16$831
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Thu 8/1311:20 pm
BWI
-
LGW
2 stops14h 55m
Multiple Airlines
Sat 8/292:00 pm
LGW
-
BWI
1 stop24h 06m
Multiple Airlines
Deal found 5/16$833
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 8/47:27 pm
BWI
-
LGW
1 stop33h 33m
Multiple Airlines
Wed 8/192:00 pm
LGW
-
BWI
2 stops30h 33m
Multiple Airlines
Deal found 5/18$834
This FlightHub deal was found by Cheapflights users on 5/16. 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.
Thu 7/2311:20 pm
BWI
-
LGW
1 stop10h 20m
Icelandair
Wed 8/123:40 pm
LGW
-
BWI
1 stop11h 35m
Icelandair
Deal found 5/16$835

Find flight deals from Maryland to London

Keep the following information in mind while searching for Maryland to London flight deals. Data was last updated May 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$823
(oojo)

One-way from

$255
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$884

Good round-trip deal

$979 or less

Good one-way deal

$494 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From Maryland to London (LON)
Search Deals
One-way flight from Maryland to London (LON)
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($165 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Maryland to London (LON).
Search Deals
Price to beat on a one-way flight from Maryland to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland 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 May 18, 2026.
Use the filters below to find and compare flights from Maryland to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 9/13

10:05 pm-10:40 am

Nonstop7h 35m

London Heathrow

Tue 9/29

7:25 am-7:25 pm

1 stop17h 00m

$852

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 9/9

10:55 pm-11:20 am

Nonstop7h 25m

London Heathrow

Wed 9/23

9:55 am-3:35 pm

1 stop10h 40m

$852

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/1

9:45 pm-4:00 pm

1 stop13h 15m

London Gatwick

Wed 9/23

10:25 am-12:10 am

2 stops18h 45m

$873

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 9/29

6:15 pm-4:00 pm

1 stop16h 45m

London Gatwick

Tue 10/6

10:35 am-11:02 pm

2 stops17h 27m

$874

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 8/26

6:10 pm-9:30 am

1 stop10h 20m

London City

Wed 9/16

9:20 am-3:35 pm

1 stop11h 15m

$882

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 10/28

7:20 pm-9:30 am

1 stop10h 10m

London City

Wed 11/4

9:20 am-3:55 pm

1 stop11h 35m

$882
Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 9/30

10:55 pm-11:20 am

Nonstop7h 25m

London Heathrow

Wed 10/7

5:55 pm-8:55 pm

Nonstop8h 00m

$882

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 8/26

9:45 am-6:30 am

1 stop15h 45m

London Heathrow

Wed 9/16

12:15 pm-3:30 pm

Nonstop8h 15m

$884

Washington, D.C.London

IAD - LCY

IADLCY

Washington, D.C. Dulles Intl

Wed 11/11

7:59 pm-4:35 pm

2 stops15h 36m

London City

Wed 11/18

10:00 am-3:55 pm

1 stop10h 55m

$886

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 5/27

3:26 pm-10:00 am

1 stop13h 34m

London Gatwick

Mon 6/8

2:00 pm-9:01 am

1 stop24h 01m

$888

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Maryland to London

Have a flexible travel schedule? Discover the best time to fly to London from Maryland 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 Maryland to London

How far ahead should I book a flight from Maryland to London?

The best time to book flights from Maryland to London is 59 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 Maryland to London?

Currently, September is the cheapest month in which you can book a flight from Maryland to London (average of $221). Flying from Maryland to London in June is currently the most expensive (average of $656). 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 MD to LON?

Find hourly flight availability from Maryland 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 May 18, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to London as you normally would.

Weekly flight availability from Maryland to London

Explore weekly flight availability from Maryland 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 May 18, 2026.

The most flights from USMD 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).

How much does it cost to fly round-trip from Maryland to London?

Related info for your journey

Find useful and relevant information for your journey from Maryland to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Maryland to London?

    A quick flight from Maryland to London can take about 7h 25m. United Airlines provides one of the quickest options available for as low as $852. The distance between Maryland and London is about 3664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Maryland to London one-way?

    $211 is the cheapest one-way deal found within the past few days, from Icelandair. You may also be able to find cheap deals on British Airways and Iberia, with prices starting from $357 and $360, respectively.

  • What are the most popular routes from Maryland to London?

    The most popular route from Maryland to London is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.

  • What are the most reliable airlines from Maryland 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 Maryland to London on time: American Airlines (71%), Aer Lingus (71%), Finnair (71%).

  • What are the cheapest flights from Maryland to London?

    On average you can expect to pay $1,396 for a flight from Maryland to London. The cheapest flight overall is $361 while the most popular route, (Washington, D.C. Dulles Intl - London Heathrow) is currently priced at $621.

  • Can I find deals for flights from Maryland to London that include hotel bookings?

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

  • How can I find direct flights from Maryland to London?

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

  • Can I find deals for business class flights from Maryland to London?

    Yes. Cheapflights offers flight deals from Maryland 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 Maryland to London?

    Currently, September is the cheapest month in which you can book a flight from Maryland to London (average of $221). Flying from Maryland to London in June is currently the most expensive (average of $656). 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
Ilford
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Dorking
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Maryland to London

Discover the top 8 airlines that operate flights from Maryland 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 May 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$462Average$886FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$471Average$709FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$475Average$687FlexibilityNo cancel feeOn-time76%
IberiaCheapest$573Average$888FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$587Average$836FlexibilityNo cancel feeOn-time70%
DeltaCheapest$598Average$880FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$599Average$778FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$602Average$874FlexibilityNo cancel feeOn-time71%

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