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 United Airlines, British Airways, or American 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.

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 £640, our data shows the cheapest flight currently is £352. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £321 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 (85%), American Airlines (77%), British Airways( 77%).

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.

£203+ 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 28 October 2026.

Sun 13/1219:40 -

1 stop10h 10m

Fri 18/1212:15 -

1 stop11h 25m

Deal found 26/10£525

Tue 1/1219:40 -

1 stop10h 10m

Thu 10/1212:15 -

1 stop11h 25m

Deal found 28/10£526

Wed 18/1119:40 -

1 stop18h 50m

Tue 24/1120:35 -

1 stop27h 05m

Deal found 28/10£528

Sun 22/1119:40 -

1 stop10h 10m

Mon 30/1112:15 -

1 stop11h 25m

Deal found 28/10£528

Tue 8/1219:40 -

2 stops16h 10m

Tue 15/1208:50 -

2 stops14h 50m

Deal found 24/10£529

Wed 25/1119:40 -

1 stop18h 50m

Thu 3/1212:15 -

1 stop11h 25m

Deal found 28/10£530

Mon 30/1119:40 -

1 stop10h 10m

Mon 7/1212:15 -

1 stop11h 25m

Deal found 28/10£531

Thu 3/1219:40 -

1 stop18h 50m

Sun 6/1220:35 -

1 stop27h 05m

Deal found 25/10£531

Tue 1/1219:40 -

1 stop10h 10m

Wed 9/1220:35 -

1 stop27h 05m

Deal found 28/10£532

Mon 23/1119:40 -

1 stop18h 50m

Wed 2/1220:35 -

1 stop27h 05m

Deal found 28/10£535

Fri 18/1219:40 -

1 stop10h 10m

Wed 23/1212:15 -

1 stop11h 25m

Deal found 26/10£536

Sat 19/1219:40 -

1 stop10h 10m

Wed 23/1212:15 -

1 stop11h 25m

Deal found 26/10£537

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 28 October 2026.

Mon 8/206:05 -

2 stops20h 05m

Wed 17/209:00 -

2 stops17h 32m

Deal found 27/10£668

Mon 26/418:40 -

Nonstop7h 20m

Wed 5/513:30 -

Nonstop8h 15m

Deal found 26/10£683

Wed 2/1211:50 -

1 stop18h 45m

Wed 9/1213:50 -

Nonstop8h 15m

Deal found 23/10£683

Tue 8/1212:46 -

2 stops15h 34m

Tue 15/1213:10 -

2 stops14h 22m

Deal found 24/10£701

Mon 25/116:59 -

1 stop13h 41m

Sun 31/111:45 -

2 stops16h 31m

Deal found 27/10£704

Wed 16/1211:46 -

1 stop14h 19m

Thu 24/1206:30 -

2 stops15h 03m

Deal found 25/10£722

Thu 10/1211:22 -

2 stops14h 38m

Thu 17/1208:00 -

2 stops19h 43m

Deal found 26/10£901

Sat 6/217:11 -

1 stop13h 29m

Tue 9/210:00 -

2 stops15h 47m

Deal found 26/10£704

Fri 26/308:13 -

2 stops18h 57m

Thu 1/411:05 -

2 stops38h 52m

Deal found 24/10£716

Thu 26/1106:22 -

2 stops18h 53m

Thu 3/1211:45 -

1 stop15h 14m

Deal found 25/10£728

Thu 10/1212:00 -

2 stops13h 50m

Thu 17/1211:30 -

2 stops17h 05m

Deal found 26/10£722

Thu 10/1206:05 -

1 stop20h 15m

Thu 17/1214:10 -

1 stop12h 48m

Deal found 27/10£795

Tue 24/1114:00 -

1 stop16h 40m

Tue 1/1208:55 -

1 stop16h 59m

Deal found 25/10£733

Thu 10/1211:22 -

1 stop14h 58m

Thu 17/1208:00 -

2 stops19h 43m

Deal found 26/10£898

Mon 23/1107:33 -

1 stop18h 47m

Mon 30/1109:55 -

1 stop16h 57m

Deal found 26/10£832

Thu 12/1116:50 -

1 stop11h 10m

Tue 17/1111:20 -

2 stops14h 32m

Deal found 25/10£769

Sat 20/312:15 -

2 stops15h 30m

Thu 25/316:00 -

1 stop21h 16m

Deal found 28/10£807

Fri 23/412:15 -

2 stops13h 55m

Fri 30/411:30 -

2 stops16h 25m

Deal found 25/10£817

Find flight deals from Maryland to Heathrow

Round-trip from	£525
One-way from	£203
Popular in	June
Cheapest in	February
Average price	£670
Good round-trip deal	£646 or less
Good one-way deal	£400 or less

Icelandair
13/12-18/12
2 total stops
21h 35m total
Maryland to London

Search Deals

Icelandair
16/11-31/12
1 total stop
10h 10m total
Maryland to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£99 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£19 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.

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Price to beat on a one-way flight from Maryland to London Heathrow.

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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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Mon 26/4

08:15-10:25

2 stops21h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 18/4

12:27-08:50

2 stops15h 23m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£251

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Fri 16/4

18:40-07:00

Nonstop7h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£286

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Thu 18/3

15:30-06:50

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£289

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 10/11

12:00-07:15

2 stops14h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 11/11

12:00-06:50

2 stops13h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 18/11

12:18-08:05

2 stops14h 47m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

Fastest return journey

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 30/12

18:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Mon 7/12

12:18-07:15

2 stops13h 57m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 6/12

10:40-07:55

1 stop16h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£374

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Showing 1-10 of 30 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 £503). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £906). 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 typical for this route at the moment.

Maryland to London Heathrow Airport flights typically cost between £492 and £767 in December.
The cheapest return price found within the last 5 days was £525 on Icelandair (13 Dec–18 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 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 20m. Fly via United Airlines, British Airways, or American 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: Finnair (85%), American Airlines (77%), British Airways( 77%).
What are the cheapest flights from Maryland to London Heathrow Airport?
While on average a flight from Maryland to London Heathrow Airport is generally £640, our data shows the cheapest flight currently is £352. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £321 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 £503). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £906). 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£234	Average£578	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£434	Average£755	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 £203

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. 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 28 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 28 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 28 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 28 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 28 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 28 October 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 28 October 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 28 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 28 October 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 28 October 2026.

Find flight deals from Maryland to Heathrow

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One-way from

Popular in

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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 28 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 typical for this route at the moment.

Maryland to London Heathrow Airport flights typically cost between £492 and £767 in December.The cheapest return price found within the last 5 days was £525 on Icelandair (13 Dec–18 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 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

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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.

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 28 October 2026.

Maryland and Heathrow flights

Browse other Maryland and Heathrow flight options. Last updated on 28 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 28 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 28 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 28 October 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 28 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 28 October 2026.

Maryland to London Heathrow Airport flights typically cost between £492 and £767 in December.
The cheapest return price found within the last 5 days was £525 on Icelandair (13 Dec–18 Dec).