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Cheap flights from Maryland to London Heathrow Airport from £229

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Maryland to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Maryland to Heathrow
Explore the most affordable flight options available from Maryland to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Mon 21/920:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Mon 28/906:40
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 17/3£463
Thu 15/1020:20
IAD
-
LHR
2 stops17h 30m
Scandinavian Airlines
Mon 19/1006:40
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 17/3£465
Mon 4/522:35
IAD
-
LHR
1 stop19h 20m
TAP AIR PORTUGAL
Mon 11/519:50
LHR
-
IAD
1 stop24h 20m
TAP AIR PORTUGAL
Deal found 18/3£466
Sat 25/420:20
IAD
-
LHR
1 stop17h 10m
Scandinavian Airlines
Sat 2/506:40
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 17/3£466
Sat 25/420:20
IAD
-
LHR
1 stop17h 10m
Scandinavian Airlines
Mon 4/506:40
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 17/3£467
Wed 29/420:20
IAD
-
LHR
1 stop17h 10m
Scandinavian Airlines
Thu 7/519:30
LHR
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 17/3£468
Fri 24/417:05
IAD
-
LHR
1 stop12h 15m
TAP AIR PORTUGAL
Wed 29/419:50
LHR
-
IAD
1 stop24h 20m
TAP AIR PORTUGAL
Deal found 18/3£469
Mon 20/422:35
IAD
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Wed 29/418:45
LHR
-
IAD
1 stop25h 25m
TAP AIR PORTUGAL
Deal found 22/3£469
Mon 4/520:20
IAD
-
LHR
1 stop20h 20m
Scandinavian Airlines
Sat 9/515:35
LHR
-
IAD
2 stops30h 25m
Scandinavian Airlines
Deal found 17/3£470
Sat 25/420:20
IAD
-
LHR
1 stop20h 20m
Scandinavian Airlines
Tue 5/518:40
LHR
-
IAD
1 stop27h 20m
Scandinavian Airlines
Deal found 17/3£471
Sat 25/420:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Sun 3/506:40
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 17/3£472
Sun 19/422:35
IAD
-
LHR
1 stop33h 10m
TAP AIR PORTUGAL
Thu 30/406:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 21/3£472

Find flight deals from Maryland to Heathrow

Keep the following information in mind while searching for Maryland to Heathrow flight deals. Data was last updated 23 March 2026.

Round-trip from

£466

One-way from

£229

Popular in

June

Cheapest in

September

Average price

£526

Good round-trip deal

£602 or less

Good one-way deal

£335 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 4/5-13/5
  • 2 total stops
  • 33h 30m total
  • Maryland to London
Search Deals
20/4
  • 20/4
  • 3 total stops
  • 28h 50m total
  • Maryland to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Maryland to London Heathrow.
Search Deals
Price to beat on a one-way flight from Maryland to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Maryland to Heathrow 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 23 March 2026.
Use the filters below to find and compare flights from Maryland to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 25/4

20:20-18:30

1 stop17h 10m

London Heathrow

Mon 27/4

07:05-17:00

2 stops14h 55m

£531

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 15/4

17:33-11:20

1 stop12h 47m

London Heathrow

Wed 22/4

08:40-20:17

2 stops16h 37m

£609

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Thu 20/8

09:40-16:00

2 stops25h 20m

London Heathrow

Tue 25/8

19:50-19:58

3 stops29h 08m

£609

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 21/4

18:55-11:55

1 stop12h 00m

London Heathrow

Wed 29/4

14:10-17:28

2 stops32h 18m

£615

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 14/4

22:15-10:50

Nonstop7h 35m

London Heathrow

Thu 23/4

17:05-20:10

Nonstop8h 05m

£621

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 28/4

11:41-11:15

1 stop18h 34m

London Heathrow

Wed 6/5

16:25-19:40

Nonstop8h 15m

£623

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 5/5

16:20-10:00

1 stop12h 40m

London Heathrow

Tue 12/5

14:05-21:55

1 stop12h 50m

£626

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Thu 7/5

06:00-20:45

1 stop9h 45m

London Heathrow

Thu 14/5

11:55-22:59

1 stop16h 04m

£632

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 9/9

22:55-11:20

Nonstop7h 25m

London Heathrow

Sun 13/9

11:30-19:35

1 stop13h 05m

£642

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Fri 11/9

18:55-10:40

1 stop10h 45m

London Heathrow

Fri 18/9

08:40-18:11

2 stops14h 31m

£647

Flights are sorted by cheapest return flights first.

Deals found on 17/3

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

What is the cheapest month to book a flight from Maryland to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of £361). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £524). 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 LHR?

Find hourly flight availability from Maryland to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 March 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 Heathrow Airport as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Heathrow. 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 Heathrow Airport?

    There are many flights that can get you from Maryland to London Heathrow Airport in 12h. Fly via Scandinavian Airlines, Delta, or United Airlines to get the fastest option. The distance from Maryland to London Heathrow Airport is about 3622 mi. 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 Heathrow Airport?

    The most popular route from Maryland to London Heathrow Airport 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 Heathrow Airport?

    Before booking your flight to London Heathrow Airport from Maryland, check out the most reliable airlines to get you to your destination on time: American Airlines (71%), Aer Lingus (71%), Finnair( 71%).

  • What are the cheapest flights from Maryland to London Heathrow Airport?

    While on average a flight from Maryland to London Heathrow Airport is generally £1,157, our data shows the cheapest flight currently is £327. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £347 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of £361). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £524). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maryland to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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George Bush Intcntl to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
O'Hare Intl to Gatwick flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Tampa to Heathrow flights
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Detroit to Heathrow flights
San Francisco to London City flights

Top 3 airlines flying from Maryland to Heathrow

Discover the top 3 airlines that operate flights from Maryland to Heathrow. 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 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£389Average£563FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£445Average£522FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£514Average£724FlexibilityNo 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 Heathrow?

When you search for this flight from Maryland to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

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

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

Certainly. Search results for flights to Heathrow from Maryland 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 Maryland to Heathrow become cheaper?

Yes, Cheapflights offers price alerts on Maryland to Heathrow 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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