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 10m. Fly via Scandinavian Airlines, United Airlines, or British Airways 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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 cheapest flights from Maryland to London Heathrow Airport?

While on average a flight from Maryland to London Heathrow Airport is generally £594, our data shows the cheapest flight currently is £262. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £403 for that flight.

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: Finnair (77%), American Airlines (65%), British Airways( 65%).

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.

£180+ Cheap Flights from Maryland to London Heathrow Airport

Cheap flight deals from Maryland to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 5 September 2026.

Sun 13/1219:40 -

1 stop18h 50m

Mon 5/421:25 -

1 stop27h 00m

Deal found 4/9£504

Tue 10/1119:40 -

1 stop18h 50m

Wed 14/421:25 -

1 stop27h 00m

Deal found 5/9£505

Wed 25/1119:40 -

1 stop18h 50m

Wed 7/421:25 -

1 stop27h 00m

Deal found 3/9£506

Mon 9/1119:40 -

1 stop10h 10m

Thu 15/413:05 -

1 stop11h 20m

Deal found 5/9£508

Fri 23/1020:30 -

1 stop10h 25m

Tue 3/1112:15 -

1 stop11h 25m

Deal found 4/9£509

Sat 5/1219:40 -

1 stop10h 10m

Thu 17/1212:15 -

1 stop11h 25m

Deal found 2/9£509

Tue 13/1020:30 -

1 stop10h 25m

Fri 30/1012:15 -

1 stop11h 25m

Deal found 3/9£510

Thu 15/1023:20 -

1 stop16h 00m

Fri 30/1012:15 -

1 stop11h 25m

Deal found 4/9£511

Sat 17/1020:30 -

1 stop10h 25m

Fri 30/1012:15 -

1 stop11h 25m

Deal found 3/9£512

Thu 22/1023:20 -

1 stop31h 35m

Sat 31/1012:15 -

1 stop11h 25m

Deal found 4/9£512

Tue 13/1020:30 -

1 stop10h 25m

Mon 19/1021:25 -

1 stop29h 50m

Deal found 1/9£513

Thu 22/1023:20 -

1 stop31h 35m

Mon 2/1120:35 -

1 stop27h 05m

Deal found 4/9£514

Best flights from Maryland to Heathrow
Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Tue 13/1012:30 -

2 stops16h 05m

Wed 2/1206:40 -

1 stop15h 35m

Deal found 2/9£591

Wed 28/1023:15 -

Nonstop7h 35m

Wed 4/1106:50 -

1 stop12h 40m

Deal found 4/9£630

Wed 14/1022:05 -

Nonstop7h 35m

Tue 27/1006:30 -

1 stop14h 15m

Deal found 31/8£631

Mon 7/1218:55 -

Nonstop7h 25m

Thu 10/1211:45 -

1 stop33h 10m

Deal found 4/9£631

Mon 12/1022:05 -

Nonstop7h 35m

Mon 19/1018:40 -

1 stop27h 05m

Deal found 3/9£631

Tue 23/216:00 -

1 stop12h 00m

Thu 4/311:45 -

2 stops16h 17m

Deal found 2/9£647

Tue 10/1118:55 -

Nonstop7h 10m

Thu 26/1113:50 -

Nonstop8h 15m

Deal found 2/9£659

Tue 3/1113:09 -

1 stop12h 46m

Mon 9/1109:20 -

1 stop11h 35m

Deal found 4/9£662

Sat 10/1020:30 -

1 stop10h 25m

Fri 16/1021:25 -

1 stop29h 50m

Deal found 2/9£814

Mon 25/112:30 -

2 stops22h 30m

Wed 3/207:05 -

2 stops15h 10m

Deal found 31/8£608

Wed 7/1018:35 -

Nonstop7h 20m

Wed 14/1006:50 -

1 stop12h 25m

Deal found 2/9£630

Sat 24/1013:15 -

1 stop13h 40m

Fri 30/1009:20 -

1 stop12h 40m

Deal found 4/9£662

Tue 17/1117:10 -

1 stop9h 40m

Thu 26/1111:00 -

1 stop12h 32m

Deal found 31/8£670

Mon 4/109:40 -

1 stop17h 10m

Fri 8/106:30 -

2 stops19h 04m

Deal found 1/9£671

Thu 19/1112:00 -

1 stop13h 25m

Tue 24/1111:45 -

2 stops16h 42m

Deal found 31/8£676

Tue 19/112:30 -

2 stops15h 50m

Sat 23/110:20 -

1 stop13h 30m

Deal found 31/8£615

Sat 10/1022:10 -

Nonstop7h 10m

Wed 14/1006:45 -

1 stop12h 05m

Deal found 3/9£679

Wed 21/1015:15 -

1 stop10h 30m

Sun 25/1010:50 -

1 stop12h 43m

Deal found 1/9£699

Wed 7/1009:09 -

2 stops19h 51m

Wed 14/1006:50 -

2 stops16h 23m

Deal found 1/9£643

Sun 11/1006:10 -

1 stop9h 35m

Thu 15/1008:40 -

1 stop11h 07m

Deal found 2/9£663

Wed 9/1207:00 -

1 stop19h 05m

Sun 13/1208:40 -

2 stops14h 26m

Deal found 2/9£678

Sat 5/1212:00 -

2 stops14h 15m

Wed 9/1210:00 -

2 stops15h 54m

Deal found 3/9£679

Wed 14/1021:30 -

Nonstop7h 20m

Sat 24/1016:25 -

Nonstop8h 15m

Deal found 31/8£684

Sun 11/1020:20 -

1 stop20h 20m

Fri 16/1006:40 -

1 stop15h 20m

Deal found 2/9£629

Thu 5/1114:06 -

1 stop11h 49m

Tue 10/1109:20 -

1 stop13h 40m

Deal found 31/8£664

Thu 15/1018:35 -

Nonstop7h 20m

Wed 21/1012:10 -

1 stop33h 35m

Deal found 1/9£668

Tue 20/1005:20 -

1 stop20h 55m

Sat 24/1006:30 -

2 stops16h 48m

Deal found 2/9£679

Tue 10/1112:35 -

2 stops22h 25m

Tue 17/1118:40 -

1 stop27h 35m

Deal found 3/9£629

Sat 12/1209:38 -

2 stops16h 12m

Fri 18/1212:55 -

1 stop11h 28m

Deal found 3/9£701

Thu 10/1206:15 -

1 stop10h 25m

Thu 14/109:20 -

1 stop11h 59m

Deal found 2/9£666

Find flight deals from Maryland to Heathrow

Round-trip from	£504
One-way from	£180
Popular in	June
Cheapest in	January
Average price	£658
Good round-trip deal	£689 or less
Good one-way deal	£400 or less

Icelandair
13/12-5/4
2 total stops
45h 50m total
Maryland to London

Search Deals

Aer Lingus
4/10-31/12
1 total stop
11h 15m total
Maryland to London

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£106 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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

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

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Thu 29/10

20:40-10:50

1 stop10h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£236

Fastest return journey

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 2/3

18:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£240

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 6/12

10:24-07:05

2 stops15h 41m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Tue 3/11

12:00-06:55

1 stop13h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Wed 7/10

12:25-06:45

1 stop13h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Mon 28/9

17:27-13:05

2 stops14h 38m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Sun 28/2

13:00-09:00

2 stops15h 00m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

PhiladelphiaLondon

PHL Philadelphia - LHR London Heathrow

PHLLHR

Philadelphia

Tue 1/12

06:00-07:50

2 stops20h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£243

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 9/12

14:00-09:50

2 stops14h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£244

Washington, D.C.London

DCA Washington, D.C. Reagan-National - LHR London Heathrow

DCALHR

Washington, D.C. Reagan-National

Sun 6/12

09:00-07:10

2 stops17h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£246

Flights are sorted by cheapest return flights first.

Deals found on 1/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

BWI-LHR

PHL-LHR

DCA-LHR

IAD-LHR

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

USMD-LHR

BWI-LHR

PHL-LHR

DCA-LHR

IAD-LHR

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 £487). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £885). 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?

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 £540 and £760 in December.
The cheapest return price found within the last 5 days was £504 on Icelandair (13 Dec–5 Apr).

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 23 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

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 10m. Fly via Scandinavian Airlines, United Airlines, or British Airways 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: Finnair (77%), American Airlines (65%), British Airways( 65%).
What are the cheapest flights from Maryland to London Heathrow Airport?
While on average a flight from Maryland to London Heathrow Airport is generally £594, our data shows the cheapest flight currently is £262. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £403 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 £487). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £885). 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.

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Top 2 airlines flying from Maryland to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£391	Average£573	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£427	Average£656	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

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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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Cheap flights from Maryland to London Heathrow Airport from £180

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Maryland to Heathrow

Cheapest flights from Maryland to HeathrowExplore 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 5 September 2026.

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 5 September 2026.

Best flights from Maryland to HeathrowDiscover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Direct flights from Maryland to HeathrowExplore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 September 2026.

Explore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 September 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 5 September 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Maryland to HeathrowSearch for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Find flight deals from Maryland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Maryland to London Heathrow Airport that are best for you.

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.

Cheapflights Insights

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

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 5 September 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 £540 and £760 in December.The cheapest return price found within the last 5 days was £504 on Icelandair (13 Dec–5 Apr).

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 23 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

How long is the flight from Maryland to London Heathrow Airport?

What are the most popular routes from Maryland to London Heathrow Airport?

What are the most reliable airlines from Maryland to London Heathrow Airport?

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

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

How can I find direct flights from Maryland to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Maryland to Heathrow by cabin class

Find flights from Maryland to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 September 2026.

Maryland and Heathrow flights

Browse other Maryland and Heathrow flight options. Last updated on 5 September 2026.

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Top 2 airlines flying from Maryland to Heathrow

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How does Cheapflights help users find flights from Maryland to Heathrow?

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

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

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

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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 5 September 2026.

Best flights from Maryland to Heathrow
Discover carefully curated flight deals from Maryland to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 5 September 2026.

Direct flights from Maryland to Heathrow
Explore direct flight options from Maryland to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 5 September 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 5 September 2026 and is based on user searches.

One-way flights from Maryland to Heathrow
Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 5 September 2026.

Maryland to London Heathrow Airport flights typically cost between £540 and £760 in December.
The cheapest return price found within the last 5 days was £504 on Icelandair (13 Dec–5 Apr).