Find flights
Deals
When to book
FAQs

Cheap flights from Maryland to London Heathrow Airport from £199

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
29 Aug — 5 Sep1
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 30 July 2026.

Wed 28/1023:30
IAD
-
LHR
1 stop15h 25m
TAP AIR PORTUGAL
Fri 4/1208:15
LHR
-
IAD
1 stop17h 20m
TAP AIR PORTUGAL
Deal found 26/7£466
Sat 19/920:20
IAD
-
LHR
2 stops15h 05m
Scandinavian Airlines
Mon 21/906:40
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 25/7£467
Fri 9/1020:20
IAD
-
LHR
1 stop12h 15m
Scandinavian Airlines
Mon 2/1106:40
LHR
-
IAD
1 stop15h 35m
Scandinavian Airlines
Deal found 29/7£467
Sun 25/1023:30
IAD
-
LHR
1 stop19h 10m
TAP AIR PORTUGAL
Sat 31/1006:00
LHR
-
IAD
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 28/7£468
Wed 30/922:35
IAD
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Tue 13/1006:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 29/7£469
Mon 5/1022:35
IAD
-
LHR
1 stop15h 15m
TAP AIR PORTUGAL
Tue 20/1006:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 30/7£470
Mon 21/922:35
IAD
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Tue 29/906:00
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 30/7£470
Tue 22/922:35
IAD
-
LHR
1 stop14h 10m
TAP AIR PORTUGAL
Thu 1/1011:20
LHR
-
IAD
1 stop14h 15m
TAP AIR PORTUGAL
Deal found 30/7£471
Sun 6/920:20
IAD
-
LHR
2 stops32h 15m
Scandinavian Airlines
Wed 9/906:40
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 28/7£472
Thu 1/1020:20
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Fri 9/1006:40
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 28/7£474
Wed 28/1023:30
IAD
-
LHR
1 stop15h 25m
TAP AIR PORTUGAL
Tue 1/1206:00
LHR
-
IAD
1 stop13h 45m
TAP AIR PORTUGAL
Deal found 26/7£475
Fri 23/1020:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Fri 4/1212:15
LHR
-
BWI
1 stop11h 25m
Icelandair
Deal found 26/7£485

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 30 July 2026.

Round-trip from

£466

One-way from

£199

Popular in

June

Cheapest in

January

Average price

£747

Good one-way deal

£392 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 28/10-4/12
  • 2 total stops
  • 32h 45m total
  • Maryland to London
Search Deals
Icelandair
  • Icelandair
  • 11/10
  • 1 total stop
  • 18h 50m total
  • Maryland to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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 30 July 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 3/10

22:35-12:45

1 stop33h 10m

London Heathrow

Sat 10/10

19:50-15:10

1 stop24h 20m

£568

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 22/9

12:25-09:35

2 stops16h 10m

London Heathrow

Thu 1/10

21:05-17:00

2 stops24h 55m

£596

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 29/11

18:20-06:40

Nonstop7h 20m

London Heathrow

Thu 3/12

09:30-15:55

1 stop11h 25m

£646

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 30/9

11:40-09:20

2 stops16h 40m

London Heathrow

Mon 5/10

07:05-22:59

2 stops20h 54m

£648

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 18/8

23:20-11:55

1 stop31h 35m

London Heathrow

Wed 26/8

21:25-19:20

1 stop26h 55m

£650

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 22/11

18:58-07:05

1 stop31h 07m

London Heathrow

Fri 27/11

06:30-00:39

2 stops23h 09m

£654

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 22/9

19:25-07:45

Nonstop7h 20m

London Heathrow

Fri 16/10

16:25-19:40

Nonstop8h 15m

£660

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 23/9

20:20-16:25

2 stops15h 05m

London Heathrow

Sat 3/10

10:20-17:00

1 stop11h 40m

£663

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 10/8

06:10-20:45

1 stop9h 35m

London Heathrow

Tue 25/8

08:40-18:01

1 stop14h 21m

£663

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 2/12

06:15-21:40

1 stop10h 25m

London Heathrow

Sat 5/12

09:20-17:00

1 stop12h 40m

£664

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 £484). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £898). 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 30 July 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.

How much does it cost for a return flight from Maryland to London Heathrow Airport?

Airfare is below average for this route at the moment.
Maryland to London Heathrow Airport flights typically cost between £553 and £786 in October.
The cheapest return price found within the last 5 days was £485 on Icelandair (23 Oct–4 Dec).

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

To ensure you get the cheapest price possible for a flight from Maryland to London Heathrow Airport, you should look to book at least 22 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 7h 20m. Fly via TAP AIR PORTUGAL, Scandinavian Airlines, or United Airlines to get the fastest option. The distance from Maryland to London Heathrow Airport is about 3664 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 (67%), Aer Lingus (67%), Finnair( 67%).

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

    While on average a flight from Maryland to London Heathrow Airport is generally £405, our data shows the cheapest flight currently is £354. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £457 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 £484). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £898). 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
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Enfield
Kingston upon Thames
Poole
Southall

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maryland to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Stansted flights
LaGuardia to Heathrow flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Gatwick flights
Dulles Intl to Heathrow flights
Boston to Heathrow flights
Baltimore to Heathrow flights
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
LaGuardia to Gatwick flights
O'Hare Intl to Heathrow flights
Dallas/Fort Worth to Heathrow flights
Seattle to Heathrow flights
Newark to Stansted flights
Newark to London City flights
Newark to Luton flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Reagan-National to Heathrow flights
Dulles Intl to Gatwick flights
Miami to Heathrow flights
Boston to London City flights
Dulles Intl to London City flights
Boston to Stansted flights
Hobby to Heathrow flights
Philadelphia to Heathrow flights
Denver to Heathrow flights
Los Angeles to Gatwick flights
Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to Stansted flights
Reagan-National to Gatwick flights
George Bush Intcntl to Heathrow flights
San Francisco to Gatwick flights
Raleigh to Heathrow flights
Sky Harbor Intl to Heathrow flights
San Francisco to London City flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Charlotte to Heathrow flights
Los Angeles to London City flights
San Francisco to Stansted flights
Midway to Heathrow flights
Seattle to Gatwick flights

Top 2 airlines flying from Maryland to Heathrow

Discover the top 2 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 30 July 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£390Average£540FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£434Average£577FlexibilityNo cancel feeOn-time70%
Search British Airways 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.