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 13h 35m. Fly via Scandinavian Airlines, 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 £600, our data shows the cheapest flight currently is £259. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £394 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: Aer Lingus (62%), Finnair (62%), Iberia( 62%).

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.

£206+ 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 25 August 2026.

Tue 6/1022:35 -

1 stop19h 20m

Tue 13/1019:50 -

1 stop24h 20m

Deal found 21/8£456

Thu 29/1018:25 -

1 stop14h 15m

Thu 5/1119:55 -

1 stop29h 40m

Deal found 21/8£457

Thu 29/1018:25 -

1 stop13h 00m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 23/8£458

Mon 21/917:40 -

1 stop14h 05m

Wed 7/1019:50 -

1 stop24h 20m

Deal found 21/8£458

Tue 3/1117:25 -

1 stop19h 05m

Sun 8/1118:30 -

1 stop25h 45m

Deal found 21/8£459

Sat 31/1018:25 -

1 stop17h 05m

Fri 13/1106:00 -

1 stop19h 35m

Deal found 23/8£460

Wed 21/1022:35 -

1 stop12h 00m

Fri 6/1118:30 -

1 stop25h 45m

Deal found 21/8£460

Wed 11/1122:30 -

1 stop19h 10m

Mon 16/1118:30 -

1 stop25h 15m

Deal found 23/8£461

Thu 5/1117:25 -

1 stop24h 15m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 21/8£462

Fri 6/1122:30 -

1 stop15h 25m

Tue 10/1106:00 -

1 stop13h 45m

Deal found 24/8£463

Tue 29/917:05 -

1 stop12h 15m

Tue 6/1019:50 -

1 stop24h 20m

Deal found 21/8£463

Mon 2/1117:25 -

1 stop14h 15m

Mon 9/1106:00 -

1 stop14h 15m

Deal found 23/8£464

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 25 August 2026.

Sat 17/1020:30 -

1 stop10h 25m

Sat 31/1012:15 -

1 stop11h 25m

Deal found 21/8£507

Wed 7/1020:20 -

1 stop17h 10m

Tue 13/1019:50 -

2 stops50h 10m

Deal found 25/8£527

Mon 16/1122:15 -

Nonstop7h 35m

Fri 11/1209:30 -

1 stop11h 25m

Deal found 25/8£634

Mon 19/1021:30 -

Nonstop7h 20m

Wed 28/1013:50 -

Nonstop8h 15m

Deal found 21/8£647

Wed 7/1018:35 -

Nonstop7h 20m

Mon 12/1018:40 -

1 stop27h 05m

Deal found 25/8£648

Sat 24/1010:22 -

1 stop16h 33m

Mon 9/1109:20 -

1 stop13h 12m

Deal found 25/8£652

Tue 6/1022:05 -

Nonstop7h 35m

Mon 19/1006:30 -

1 stop14h 05m

Deal found 23/8£663

Fri 9/1022:05 -

Nonstop7h 35m

Wed 21/1008:55 -

1 stop12h 10m

Deal found 24/8£668

Fri 12/210:00 -

2 stops15h 50m

Mon 22/211:45 -

2 stops16h 10m

Deal found 25/8£720

Fri 13/1118:55 -

Nonstop7h 10m

Sun 22/1113:50 -

Nonstop8h 15m

Deal found 21/8£727

Tue 27/1015:30 -

2 stops17h 10m

Wed 11/1106:00 -

2 stops21h 36m

Deal found 23/8£741

Mon 19/1020:30 -

1 stop10h 25m

Wed 4/1112:15 -

1 stop11h 15m

Deal found 22/8£508

Sun 1/1119:40 -

1 stop10h 10m

Thu 5/1112:15 -

1 stop11h 15m

Deal found 23/8£508

Thu 3/1220:30 -

2 stops15h 30m

Sun 6/1218:40 -

1 stop27h 35m

Deal found 24/8£595

Wed 23/912:10 -

1 stop13h 35m

Wed 30/906:50 -

2 stops32h 40m

Deal found 25/8£636

Sun 20/918:48 -

1 stop30h 42m

Tue 29/908:40 -

1 stop11h 22m

Deal found 22/8£653

Sat 19/920:20 -

2 stops20h 00m

Sat 26/906:40 -

1 stop15h 20m

Deal found 21/8£600

Mon 7/1206:15 -

2 stops19h 55m

Fri 11/1213:00 -

2 stops37h 42m

Deal found 25/8£647

Tue 8/1212:22 -

2 stops15h 38m

Sun 13/1208:40 -

2 stops15h 33m

Deal found 23/8£714

Tue 13/1015:45 -

1 stop9h 45m

Sun 1/1109:20 -

1 stop12h 00m

Deal found 21/8£658

Tue 13/1018:45 -

Nonstop7h 05m

Tue 20/1013:00 -

Nonstop8h 00m

Deal found 21/8£744

Thu 29/1020:25 -

Nonstop7h 25m

Thu 5/1106:30 -

1 stop12h 35m

Deal found 23/8£754

Thu 1/1023:20 -

1 stop31h 35m

Thu 8/1021:25 -

1 stop27h 00m

Deal found 21/8£624

Tue 1/1211:55 -

2 stops23h 05m

Mon 7/1219:30 -

2 stops31h 34m

Deal found 25/8£647

Tue 3/1113:20 -

1 stop12h 35m

Mon 9/1109:20 -

1 stop12h 00m

Deal found 22/8£658

Mon 21/1214:00 -

2 stops14h 50m

Mon 28/1208:55 -

1 stop16h 50m

Deal found 24/8£809

Tue 6/1012:32 -

2 stops13h 43m

Tue 27/1008:40 -

2 stops17h 27m

Deal found 25/8£738

Mon 19/1011:55 -

2 stops17h 30m

Sat 7/1106:50 -

2 stops17h 11m

Deal found 25/8£677

Fri 15/110:35 -

2 stops17h 45m

Sun 24/106:40 -

2 stops21h 24m

Deal found 22/8£647

Thu 29/1010:27 -

2 stops20h 58m

Sat 7/1119:55 -

3 stops40h 42m

Deal found 24/8£784

Find flight deals from Maryland to Heathrow

Round-trip from	£456
One-way from	£206
Popular in	June
Cheapest in	January
Average price	£666
Good round-trip deal	£684 or less
Good one-way deal	£420 or less

TAP AIR PORTUGAL
6/10-13/10
2 total stops
43h 40m total
Maryland to London

Search Deals

British Airways
24/11
1 total stop
13h 50m total
Maryland to London

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£110 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 August 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

Sat 17/10

20:30-11:55

1 stop10h 25m

London Heathrow

Sat 31/10

12:15-19:40

1 stop11h 25m

£507

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 19/10

20:30-11:55

1 stop10h 25m

London Heathrow

Wed 4/11

12:15-18:30

1 stop11h 15m

£508

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Sun 1/11

19:40-10:50

1 stop10h 10m

London Heathrow

Thu 5/11

12:15-18:30

1 stop11h 15m

£508

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Wed 7/10

20:20-18:30

1 stop17h 10m

London Heathrow

Tue 13/10

19:50-17:00

2 stops50h 10m

£527

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Thu 3/12

20:30-17:00

2 stops15h 30m

London Heathrow

Sun 6/12

18:40-17:15

1 stop27h 35m

£595

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Sat 19/9

20:20-21:20

2 stops20h 00m

London Heathrow

Sat 26/9

06:40-17:00

1 stop15h 20m

£600

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Thu 1/10

23:20-11:55

1 stop31h 35m

London Heathrow

Thu 8/10

21:25-19:25

1 stop27h 00m

£624

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LHR London Heathrow

IADLHR

Washington, D.C. Dulles Intl

Mon 16/11

22:15-10:50

Nonstop7h 35m

London Heathrow

Fri 11/12

09:30-15:55

1 stop11h 25m

£634

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 23/9

12:10-06:45

1 stop13h 35m

London Heathrow

Wed 30/9

06:50-10:30

2 stops32h 40m

£636

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Mon 19/10

21:30-09:50

Nonstop7h 20m

London Heathrow

Wed 28/10

13:50-18:05

Nonstop8h 15m

£647

Flights are sorted by cheapest return flights first.

Deals found on 21/8

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

IAD-LHR

PHL-LHR

DCA-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

IAD-LHR

PHL-LHR

DCA-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 £472). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £881). 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 £556 and £773 in September.
The cheapest return price found within the last 5 days was £493 on Icelandair (20 Sept–29 Sept).

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 13h 35m. Fly via Scandinavian Airlines, 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: Aer Lingus (62%), Finnair (62%), Iberia( 62%).
What are the cheapest flights from Maryland to London Heathrow Airport?
While on average a flight from Maryland to London Heathrow Airport is generally £600, our data shows the cheapest flight currently is £259. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £394 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 £472). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £881). 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£388	Average£568	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£423	Average£570	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 £206

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 24/11. 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 25 August 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 25 August 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 25 August 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 25 August 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 25 August 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 25 August 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 25 August 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 25 August 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 25 August 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 25 August 2026.

Find flight deals from Maryland to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

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 25 August 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 £556 and £773 in September.The cheapest return price found within the last 5 days was £493 on Icelandair (20 Sept–29 Sept).

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 25 August 2026.

Maryland and Heathrow flights

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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 25 August 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 25 August 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 25 August 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 25 August 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 25 August 2026.

Maryland to London Heathrow Airport flights typically cost between £556 and £773 in September.
The cheapest return price found within the last 5 days was £493 on Icelandair (20 Sept–29 Sept).