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 American 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 £635, our data shows the cheapest flight currently is £349. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £282 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 (87%), American Airlines (83%), British Airways( 83%).

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.

£199+ 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 4 November 2026.

Mon 16/1119:40 -

1 stop18h 50m

Tue 24/1112:15 -

1 stop11h 25m

Deal found 2/11£515

Wed 9/1219:40 -

1 stop18h 50m

Sun 13/1220:35 -

1 stop27h 05m

Deal found 3/11£516

Mon 16/1119:40 -

1 stop10h 10m

Mon 23/1120:35 -

1 stop27h 05m

Deal found 3/11£517

Tue 1/1219:40 -

1 stop18h 50m

Sun 31/120:35 -

1 stop27h 05m

Deal found 2/11£517

Mon 16/1119:40 -

2 stops16h 20m

Mon 23/1106:40 -

2 stops17h 00m

Deal found 31/10£519

Thu 26/1119:40 -

1 stop18h 50m

Tue 8/1212:15 -

1 stop11h 25m

Deal found 30/10£521

Thu 26/1119:40 -

1 stop18h 50m

Mon 7/1220:35 -

1 stop27h 05m

Deal found 1/11£523

Wed 25/1119:40 -

1 stop18h 50m

Thu 10/1212:15 -

1 stop11h 25m

Deal found 2/11£523

Mon 16/1119:40 -

1 stop10h 10m

Sun 22/1120:35 -

1 stop27h 05m

Deal found 2/11£524

Tue 1/1219:40 -

1 stop18h 50m

Sun 6/1220:35 -

1 stop27h 05m

Deal found 3/11£525

Tue 1/1219:40 -

1 stop10h 10m

Mon 7/1212:15 -

1 stop11h 25m

Deal found 3/11£529

Wed 16/1208:45 -

1 stop19h 55m

Wed 23/1213:10 -

1 stop14h 33m

Deal found 1/11£884

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 4 November 2026.

Sun 21/207:30 -

1 stop20h 45m

Fri 26/213:50 -

1 stop13h 08m

Deal found 31/10£690

Thu 3/1210:40 -

1 stop20h 20m

Fri 11/1206:50 -

2 stops19h 48m

Deal found 1/11£707

Thu 11/318:55 -

Nonstop7h 10m

Thu 18/313:50 -

Nonstop8h 15m

Deal found 3/11£715

Thu 1/415:30 -

2 stops14h 00m

Mon 5/406:30 -

2 stops17h 50m

Deal found 4/11£742

Wed 24/316:39 -

2 stops21h 01m

Mon 29/306:40 -

2 stops22h 46m

Deal found 2/11£760

Mon 30/1112:00 -

2 stops13h 50m

Thu 3/1206:30 -

2 stops15h 56m

Deal found 30/10£900

Wed 16/1212:46 -

2 stops15h 29m

Wed 23/1213:10 -

1 stop14h 33m

Deal found 1/11£962

Fri 11/1218:55 -

Nonstop7h 10m

Tue 15/1213:50 -

Nonstop8h 15m

Deal found 1/11£725

Thu 21/118:55 -

Nonstop7h 10m

Tue 26/111:45 -

1 stop12h 10m

Deal found 3/11£739

Sun 6/1214:00 -

2 stops21h 00m

Thu 17/1219:30 -

2 stops33h 14m

Deal found 30/10£823

Fri 20/1113:49 -

1 stop15h 06m

Fri 27/1117:20 -

1 stop19h 56m

Deal found 30/10£880

Wed 16/1208:45 -

1 stop19h 55m

Wed 23/1213:10 -

1 stop14h 33m

Deal found 1/11£884

Thu 26/1118:55 -

Nonstop7h 10m

Wed 9/1213:50 -

Nonstop8h 15m

Deal found 1/11£762

Thu 3/1218:55 -

Nonstop7h 10m

Sat 12/1213:50 -

Nonstop8h 15m

Deal found 3/11£763

Sat 19/1216:48 -

1 stop11h 52m

Sat 26/1213:10 -

1 stop14h 33m

Deal found 4/11£1,034

Tue 24/1118:55 -

Nonstop7h 10m

Tue 1/1213:50 -

Nonstop8h 15m

Deal found 3/11£862

Sun 21/211:50 -

2 stops13h 50m

Fri 26/211:40 -

2 stops15h 18m

Deal found 31/10£895

Sat 19/1216:48 -

1 stop11h 52m

Sat 26/1212:35 -

2 stops15h 08m

Deal found 4/11£1,215

Find flight deals from Maryland to Heathrow

Round-trip from	£515
One-way from	£199
Popular in	June
Cheapest in	February
Average price	£645
Good round-trip deal	£805 or less
Good one-way deal	£453 or less

Icelandair
16/11-24/11
2 total stops
30h 15m total
Maryland to London

Search Deals

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

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£93 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 November 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.

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

Tue 16/2

10:36-08:25

2 stops16h 49m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 7/2

06:00-06:25

1 stop19h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 7/2

13:08-10:30

2 stops16h 22m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

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

£249

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Sun 25/4

06:17-08:20

2 stops21h 03m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£249

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Fri 19/2

17:38-09:15

1 stop10h 37m

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

Tue 1/12

18:55-07:05

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 17/11

18:55-07:05

Nonstop7h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£370

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Tue 10/11

12:18-07:15

2 stops13h 57m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

BaltimoreLondon

BWI Baltimore/Washington - LHR London Heathrow

BWILHR

Baltimore/Washington

Wed 30/12

06:00-05:55

1 stop18h 55m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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 £517). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £897). 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.

Weekly flight availability from Maryland to London Heathrow Airport

The most flights from USMD to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 £488 and £762 in November.
The cheapest return price found within the last 5 days was £515 on Icelandair (16 Nov–24 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 7h 10m. Fly via American 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 (87%), American Airlines (83%), British Airways( 83%).
What are the cheapest flights from Maryland to London Heathrow Airport?
While on average a flight from Maryland to London Heathrow Airport is generally £635, our data shows the cheapest flight currently is £349. When looking at the most popular route, (Washington, D.C. Dulles Intl - London Heathrow), you can expect to pay £282 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 £517). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of £897). 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£232	Average£573	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£431	Average£749	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 £199

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/12. 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 4 November 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 4 November 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 4 November 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 4 November 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 4 November 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 4 November 2026.

Last-minute flights from Maryland to HeathrowDiscover last-minute flight deals from Maryland to Heathrow. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from Maryland to Heathrow. Data last updated 4 November 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 4 November 2026.

Search for one-way flight options from Maryland to Heathrow. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

Find flight deals from Maryland to Heathrow

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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 4 November 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.

Weekly flight availability from Maryland to London Heathrow Airport

Explore weekly flight availability from Maryland to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 November 2026.

The most flights from USMD to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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 £488 and £762 in November.The cheapest return price found within the last 5 days was £515 on Icelandair (16 Nov–24 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 4 November 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 4 November 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 4 November 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 4 November 2026.

Last-minute flights from Maryland to Heathrow
Discover last-minute flight deals from Maryland to Heathrow. Data last updated 4 November 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 4 November 2026.

Maryland to London Heathrow Airport flights typically cost between £488 and £762 in November.
The cheapest return price found within the last 5 days was £515 on Icelandair (16 Nov–24 Nov).