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 11h 15m. Fly via Icelandair, United Airlines, or Delta 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 £765, our data shows the cheapest flight currently is £648. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £440 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 (79%), 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.

£220+ 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 1 October 2026.

Wed 4/1119:40 -

1 stop18h 50m

Mon 16/1120:35 -

1 stop27h 05m

Deal found 30/9£514

Sat 7/1119:40 -

1 stop10h 10m

Fri 13/1112:15 -

1 stop11h 25m

Deal found 30/9£515

Mon 2/1119:40 -

1 stop10h 10m

Mon 16/1120:35 -

1 stop27h 05m

Deal found 30/9£516

Mon 2/1119:40 -

1 stop10h 10m

Fri 6/1112:15 -

1 stop11h 25m

Deal found 28/9£517

Mon 9/1119:40 -

1 stop10h 10m

Wed 18/1112:15 -

1 stop11h 25m

Deal found 30/9£517

Sat 24/1023:35 -

1 stop31h 15m

Thu 29/1020:35 -

1 stop27h 05m

Deal found 30/9£518

Tue 8/1219:40 -

1 stop10h 10m

Fri 18/1212:15 -

1 stop11h 25m

Deal found 27/9£519

Sat 17/1023:20 -

1 stop31h 35m

Thu 29/1020:35 -

1 stop27h 05m

Deal found 27/9£520

Tue 8/1219:40 -

1 stop10h 10m

Mon 14/1220:35 -

1 stop27h 05m

Deal found 28/9£520

Sat 17/1023:20 -

1 stop31h 35m

Wed 28/1020:35 -

1 stop27h 05m

Deal found 27/9£521

Sat 12/1219:40 -

1 stop10h 10m

Sun 28/220:35 -

1 stop27h 05m

Deal found 29/9£522

Tue 27/1005:55 -

1 stop21h 25m

Tue 3/1109:55 -

1 stop31h 23m

Deal found 29/9£665

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 1 October 2026.

Tue 17/1119:40 -

1 stop18h 50m

Sat 21/1112:15 -

1 stop11h 25m

Deal found 26/9£519

Tue 17/1110:09 -

2 stops16h 01m

Wed 25/1109:00 -

2 stops17h 42m

Deal found 27/9£651

Tue 3/1116:45 -

1 stop11h 15m

Tue 10/1112:40 -

1 stop13h 12m

Deal found 27/9£672

Tue 27/1008:30 -

1 stop18h 05m

Tue 3/1111:45 -

1 stop14h 14m

Deal found 28/9£672

Wed 11/1106:30 -

1 stop19h 05m

Wed 18/1113:10 -

1 stop14h 10m

Deal found 27/9£678

Thu 11/314:10 -

1 stop12h 40m

Wed 24/311:45 -

2 stops15h 10m

Deal found 30/9£697

Thu 29/1019:55 -

Nonstop7h 10m

Thu 12/1113:50 -

Nonstop8h 15m

Deal found 26/9£706

Wed 11/1112:44 -

2 stops13h 21m

Wed 18/1111:45 -

1 stop12h 30m

Deal found 27/9£676

Thu 5/1110:09 -

1 stop20h 51m

Wed 11/1113:45 -

2 stops36h 57m

Deal found 27/9£687

Thu 18/320:40 -

1 stop18h 50m

Thu 25/320:35 -

1 stop27h 05m

Deal found 30/9£704

Mon 2/1116:00 -

2 stops13h 50m

Tue 10/1112:15 -

1 stop11h 25m

Deal found 30/9£724

Sat 14/1116:50 -

1 stop11h 10m

Sat 21/1114:05 -

2 stops15h 53m

Deal found 30/9£725

Tue 10/1106:30 -

1 stop19h 05m

Tue 17/1113:10 -

2 stops14h 10m

Deal found 26/9£676

Thu 18/206:20 -

2 stops19h 50m

Wed 24/209:00 -

2 stops16h 57m

Deal found 27/9£698

Sat 20/323:20 -

1 stop31h 30m

Fri 26/320:35 -

1 stop29h 40m

Deal found 30/9£705

Thu 12/1116:39 -

1 stop12h 01m

Thu 19/1109:55 -

1 stop16h 57m

Deal found 28/9£710

Sun 15/1116:39 -

1 stop12h 01m

Sun 22/1111:45 -

1 stop15h 07m

Deal found 1/10£710

Sat 14/1112:44 -

1 stop18h 16m

Sat 21/1111:45 -

1 stop13h 58m

Deal found 30/9£740

Find flight deals from Maryland to Heathrow

Round-trip from	£514
One-way from	£220
Popular in	June
Cheapest in	February
Average price	£621
Good round-trip deal	£655 or less

Icelandair
4/11-16/11
2 total stops
45h 55m total
Maryland to London

Search Deals

Icelandair
10/11-31/12
1 total stop
18h 50m total
Maryland to London

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£106 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip 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

Sat 27/3

23:20-11:55

1 stop31h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£242

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 29/12

12:20-09:55

2 stops16h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 2/3

17:37-20:35

2 stops21h 58m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 30/12

06:00-06:25

1 stop19h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£248

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Thu 25/3

07:30-07:05

1 stop19h 35m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£286

Fastest return journey

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sat 2/1

18:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£294

SalisburyLondon

SBY Salisbury-Ocean City - LHR London Heathrow

SBYLHR

Salisbury-Ocean City

Sun 15/11

16:39-11:10

2 stops13h 31m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£352

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Mon 26/10

19:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£369

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 28/10

19:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£369

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 27/10

12:00-07:45

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£372

Flights are sorted by cheapest return flights first.

Deals found on 30/9

Showing 1-10 of 31 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

SBY-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

SBY-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 £486). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £902). 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 £538 and £724 in November.
The cheapest return price found within the last 5 days was £514 on Icelandair (4 Nov–16 Nov).

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 11h 15m. Fly via Icelandair, United Airlines, or Delta 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 (79%), 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 £765, our data shows the cheapest flight currently is £648. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £440 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 £486). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £902). 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£235	Average£567	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£436	Average£692	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 £220

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. 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 1 October 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 1 October 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 1 October 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 1 October 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 1 October 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 1 October 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 1 October 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 1 October 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Find flight deals from Maryland to Heathrow

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One-way from

Popular in

Cheapest in

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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 1 October 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 £538 and £724 in November.The cheapest return price found within the last 5 days was £514 on Icelandair (4 Nov–16 Nov).

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.

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Search flights from Maryland to Heathrow by cabin class

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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 1 October 2026.

Maryland and Heathrow flights

Browse other Maryland and Heathrow flight options. Last updated on 1 October 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 1 October 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 1 October 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 1 October 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 1 October 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 1 October 2026.

Maryland to London Heathrow Airport flights typically cost between £538 and £724 in November.
The cheapest return price found within the last 5 days was £514 on Icelandair (4 Nov–16 Nov).