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Cheap flights from Maryland to London from £180

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
18 May — 25 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Maryland to London

Enter your travel dates to find the best prices.

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 18 April 2026.

Wed 6/520:30
BWI
-
LGW
1 stop10h 15m
Icelandair
Tue 12/513:00
LGW
-
BWI
1 stop11h 25m
Icelandair
Deal found 13/4£487
Sat 2/520:30
IAD
-
STN
2 stops22h 55m
Multiple Airlines
Wed 6/521:30
STN
-
IAD
2 stops22h 40m
Multiple Airlines
Deal found 15/4£499
Thu 8/1020:20
IAD
-
LHR
1 stop32h 00m
Scandinavian Airlines
Sun 11/1006:40
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 13/4£499
Wed 11/1119:40
BWI
-
LHR
1 stop10h 10m
Icelandair
Sun 15/1112:15
LHR
-
BWI
1 stop11h 25m
Icelandair
Deal found 17/4£499
Mon 19/1020:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Fri 23/1010:20
LHR
-
IAD
1 stop11h 40m
Scandinavian Airlines
Deal found 14/4£499
Wed 11/1119:40
BWI
-
LGW
1 stop10h 15m
Icelandair
Sun 15/1111:55
LGW
-
BWI
1 stop11h 45m
Icelandair
Deal found 17/4£499
Mon 27/420:30
IAD
-
STN
2 stops17h 45m
Multiple Airlines
Tue 5/518:55
STN
-
IAD
2 stops25h 15m
Multiple Airlines
Deal found 13/4£501
Thu 24/920:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Thu 1/1010:20
LHR
-
IAD
1 stop11h 40m
Scandinavian Airlines
Deal found 13/4£502
Sun 26/420:30
IAD
-
STN
2 stops18h 25m
Multiple Airlines
Thu 30/407:00
STN
-
IAD
2 stops17h 20m
Multiple Airlines
Deal found 14/4£503
Thu 21/515:45
IAD
-
LHR
1 stop13h 15m
Air Canada
Thu 4/608:30
LHR
-
IAD
1 stop11h 59m
Air Canada
Deal found 16/4£504
Sun 4/1020:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Sun 11/1010:20
LHR
-
IAD
1 stop11h 40m
Scandinavian Airlines
Deal found 14/4£505
Wed 20/515:45
IAD
-
LHR
1 stop13h 15m
Air Canada
Fri 5/609:30
LHR
-
IAD
1 stop14h 28m
Air Canada
Deal found 16/4£506

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 18 April 2026.

Round-trip from

£487

One-way from

£180

Popular in

June

Cheapest in

September

Average price

£519

Good round-trip deal

£643 or less

Good one-way deal

£513 or less
Icelandair
  • Icelandair
  • 6/5-12/5
  • 2 total stops
  • 21h 40m total
  • Maryland to London
Search Deals
21/7
  • 21/7
  • 1 total stop
  • 32h 43m total
  • Maryland to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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

 
Customise 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 858,174 searches. Data last updated 18 April 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 return flight

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 14/10

12:00-16:00

2 stops23h 00m

London Heathrow

Tue 20/10

07:05-23:04

2 stops20h 59m

£601

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 10/9

21:45-16:50

1 stop38h 05m

London Stansted

Mon 14/9

10:50-11:35

1 stop29h 45m

£603

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 8/5

15:26-10:00

1 stop13h 34m

London Gatwick

Tue 2/6

14:00-19:06

1 stop34h 06m

£615

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 8/9

09:40-09:20

2 stops18h 40m

London Heathrow

Tue 15/9

07:05-19:58

3 stops17h 53m

£616

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Tue 22/9

21:45-16:40

1 stop37h 55m

London Stansted

Thu 1/10

17:35-19:50

1 stop31h 15m

£631

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Thu 17/9

21:45-09:55

1 stop31h 10m

London Stansted

Thu 1/10

17:35-19:50

1 stop31h 15m

£631

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 8/5

13:43-10:00

1 stop15h 17m

London Gatwick

Wed 27/5

14:00-12:38

1 stop27h 38m

£637

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 3/5

13:20-09:55

1 stop15h 35m

London Stansted

Wed 3/6

06:55-19:50

1 stop17h 55m

£638

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 29/4

18:15-09:25

1 stop10h 10m

London Gatwick

Tue 19/5

10:35-22:56

2 stops17h 21m

£645

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 6/5

17:33-16:00

2 stops17h 27m

London Gatwick

Fri 15/5

10:25-20:50

2 stops15h 25m

£649

Flights are sorted by cheapest return flights first.

Deals found on 18/4

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 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.

Cheapflights Insights

Everything you need to know about your flight from Maryland to London

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 £163). Flying from Maryland to London in June is currently the most expensive (average of £480). 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 18 April 2026.

When flying from Maryland to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight 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?

    For as low as £615, Scandinavian Airlines can have you in London from Maryland in 13h 10m. There are 3641 mi between Maryland and London. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from Maryland to London consider Washington, D.C. Dulles Intl - London Heathrow, Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow as they are the most popular.

  • 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 (73%), Aer Lingus (73%), Finnair (73%).

  • What are the cheapest flights from Maryland to London?

    On average you can expect to pay £1,209 for a flight from Maryland to London. The cheapest flight overall is £347 while the most popular route, (Washington, D.C. Dulles Intl - London Heathrow) is currently priced at £468.

  • 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 holiday 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 £163). Flying from Maryland to London in June is currently the most expensive (average of £480). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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Alternative routes for Maryland to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Maryland to London

Discover the top 3 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 858,174 searches. Data last updated 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£383Average£555FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£438Average£553FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£507Average£713FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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 Maryland to London?

Cheapflights helps you search for flights from Maryland to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Maryland to London?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Maryland to London for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Maryland to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Maryland to London, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Maryland to London become cheaper?

Yes, Cheapflights offers price alerts on Maryland to London flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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