How long does it take to fly to London Heathrow Airport?

On average, it takes 7h 05m to fly from Maryland to London Heathrow Airport if you fly out of Baltimore (the most popular airport in Maryland) and into London Heathrow Airport (the most popular airport in London Heathrow Airport). If you’re flying out of Salisbury and into London Heathrow Airport, then the flight time is around 19h 09m.

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Icelandair are the top three most popular airlines that fly to London Heathrow Airport from Maryland according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 8 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

How many flights depart from Maryland to London Heathrow Airport on average per day?

The number of flights available between Maryland and London Heathrow Airport is 47 per day as of July 2026. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

How many flights depart from Maryland to London Heathrow Airport on average per week?

As of July 2026, there are 333 flights per week flying from Maryland to London Heathrow Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

What is the cheapest airline that flies from Maryland to London Heathrow?

United Airlines, Delta, and JetBlue are the most popular carriers operating from Maryland to London Heathrow

When did momondo last update prices for flights from Maryland to London Heathrow Airport?

Prices for flights from Maryland to London Heathrow Airport were last updated today.

How many operators does momondo search for flights from Maryland to London Heathrow Airport?

The number of operators available for flights from Maryland to London Heathrow Airport is 18 as of July 2026.

How old do you have to be to fly from Maryland to London Heathrow Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maryland to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$271 Cheap Flights from Maryland to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maryland to London

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:20 pm - 12:40 pm

IAD

LHR

15h 20m

2 stops

10:00 pm - 8:24 pm

LHR

IAD

27h 24m

3 stops

$671Multiple Airlines

Sun, Aug 9 - Sun, Aug 16

8:30 pm - 11:55 am

IAD

LHR

10h 25m

1 stop

1:05 pm - 7:20 pm

LHR

IAD

11h 15m

1 stop

$672Icelandair

Wed, Sep 23 - Fri, Oct 2

5:05 pm - 10:20 am

IAD

LHR

12h 15m

1 stop

6:00 am - 3:10 pm

LHR

IAD

14h 10m

1 stop

$675TAP AIR PORTUGAL

Tue, Sep 15 - Tue, Sep 29

8:30 pm - 4:25 pm

IAD

LHR

14h 55m

2 stops

9:05 pm - 5:15 pm

LHR

IAD

25h 10m

2 stops

$676Scandinavian Airlines

Sat, Nov 21 - Sun, Nov 22

12:25 pm - 4:00 pm

IAD

LHR

22h 35m

2 stops

6:40 am - 5:00 pm

LHR

IAD

15h 20m

2 stops

$677Scandinavian Airlines

Sat, Oct 3 - Mon, Oct 5

12:25 pm - 4:00 pm

IAD

LHR

22h 35m

2 stops

6:40 am - 5:00 pm

LHR

IAD

15h 20m

2 stops

$678Scandinavian Airlines

Sat, Oct 3 - Mon, Oct 5

10:30 pm - 12:40 pm

IAD

LHR

33h 10m

1 stop

6:00 am - 3:15 pm

LHR

IAD

14h 15m

1 stop

$680TAP AIR PORTUGAL

Sun, Nov 22 - Thu, Dec 3

12:40 pm - 10:00 pm

DCA

LHR

52h 20m

2 stops

5:50 pm - 10:29 am

LHR

DCA

44h 39m

2 stops

$725Air Canada

Fri, Oct 23 - Mon, Oct 26

6:10 am - 8:45 pm

DCA

LHR

9h 35m

1 stop

8:40 am - 6:01 pm

LHR

DCA

14h 21m

1 stop

$785JetBlue

Mon, Aug 17 - Wed, Sep 2

6:10 am - 8:45 pm

DCA

LHR

9h 35m

1 stop

8:40 am - 5:56 pm

LHR

DCA

14h 16m

1 stop

$788JetBlue

Sun, Aug 23 - Sun, Sep 6

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TAP AIR PORTUGAL flights from Maryland to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Maryland to London Heathrow Airport flight tickets

TAP AIR PORTUGAL

Sep 15

IAD5:05 pmWashington, D.C. Dulles Intl

12h 15m

1 stop

LHR10:20 amLondon Heathrow

Sep 29

LHR6:00 amLondon Heathrow

14h 10m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$675

TAP AIR PORTUGAL

Nov 22

IAD10:30 pmWashington, D.C. Dulles Intl

33h 10m

1 stop

LHR12:40 pmLondon Heathrow

Dec 3

LHR6:00 amLondon Heathrow

14h 15m

1 stop

IAD3:15 pmWashington, D.C. Dulles Intl

$680

TAP AIR PORTUGAL

Aug 16

IAD10:35 pmWashington, D.C. Dulles Intl

15h 15m

1 stop

LHR6:50 pmLondon Heathrow

Sep 19

LHR6:00 amLondon Heathrow

14h 10m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$709

Scandinavian Airlines flights from Maryland to London Heathrow Airport

Our best Scandinavian Airlines deals on Maryland to London Heathrow Airport flight tickets

Scandinavian Airlines

Nov 21

IAD8:30 pmWashington, D.C. Dulles Intl

14h 55m

2 stops

LHR4:25 pmLondon Heathrow

Nov 22

LHR9:05 pmLondon Heathrow

25h 10m

2 stops

IAD5:15 pmWashington, D.C. Dulles Intl

$676

Scandinavian Airlines

Oct 3

IAD12:25 pmWashington, D.C. Dulles Intl

22h 35m

2 stops

LHR4:00 pmLondon Heathrow

Oct 5

LHR6:40 amLondon Heathrow

15h 20m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$677

Scandinavian Airlines

Oct 3

IAD12:25 pmWashington, D.C. Dulles Intl

22h 35m

2 stops

LHR4:00 pmLondon Heathrow

Oct 5

LHR6:40 amLondon Heathrow

15h 20m

2 stops

IAD5:00 pmWashington, D.C. Dulles Intl

$678

momondo 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 round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 8/9

4:20 pm-12:40 pm

2 stops15h 20m

London Heathrow

Sun 8/16

10:00 pm-8:24 pm

3 stops27h 24m

$671

Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 9/23

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Fri 10/2

1:05 pm-7:20 pm

1 stop11h 15m

$672

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 9/15

5:05 pm-10:20 am

1 stop12h 15m

London Heathrow

Tue 9/29

6:00 am-3:10 pm

1 stop14h 10m

$675

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 11/21

8:30 pm-4:25 pm

2 stops14h 55m

London Heathrow

Sun 11/22

9:05 pm-5:15 pm

2 stops25h 10m

$676

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 10/3

12:25 pm-4:00 pm

2 stops22h 35m

London Heathrow

Mon 10/5

6:40 am-5:00 pm

2 stops15h 20m

$677

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 10/3

12:25 pm-4:00 pm

2 stops22h 35m

London Heathrow

Mon 10/5

6:40 am-5:00 pm

2 stops15h 20m

$678

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 11/22

10:30 pm-12:40 pm

1 stop33h 10m

London Heathrow

Thu 12/3

6:00 am-3:15 pm

1 stop14h 15m

$680

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Fri 10/23

12:40 pm-10:00 pm

2 stops52h 20m

London Heathrow

Mon 10/26

5:50 pm-10:29 am

2 stops44h 39m

$725

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 8/17

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Wed 9/2

8:40 am-6:01 pm

1 stop14h 21m

$785

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Sun 8/23

6:10 am-8:45 pm

1 stop9h 35m

London Heathrow

Sun 9/6

8:40 am-5:56 pm

1 stop14h 16m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maryland to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to London Heathrow Airport?

The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Maryland, with most prices found around $380. If you’re not able to fly to London Heathrow Airport in April, then March is your next best option. Flight prices from Maryland to London Heathrow Airport during March average around $469.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $823. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $947.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Maryland to London Heathrow Airport in the afternoon for as low as $840. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $915.

What is the cheapest Maryland to London Heathrow flight route?

Fly from Baltimore/Washington to London Heathrow for the best Maryland - London Heathrow flight prices

How far in advance should I book a flight from Maryland to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $836 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Maryland for as low as $746 on momondo.

What cabin class options are available on Maryland to London Heathrow Airport flights?

There are 4 cabin classes available to choose from on Maryland to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Maryland to London Heathrow Airport flights?

You could potentially save up to 41% on your flight if you consider stops on a Maryland to London Heathrow Airport flight.

Cheap Maryland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to London Heathrow Airport

Best Price Found	$456
Fastest flight time	7h 00m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Maryland in the past 72 hours is $456. The best round-trip flight deal from Maryland to London Heathrow Airport found on momondo in the last 72 hours is $887.

The fastest flight from Maryland to London Heathrow Airport takes 7h 00m

Direct flights go from Maryland to London Heathrow Airport every day.

Search flight deals

Frequently asked questions about flying from Maryland to London Heathrow Airport

When did momondo last update prices for flights from Maryland to London Heathrow Airport?
Prices for flights from Maryland to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Maryland to London Heathrow Airport?
The number of operators available for flights from Maryland to London Heathrow Airport is 18 as of July 2026.
How old do you have to be to fly from Maryland to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maryland to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Maryland to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Maryland to London Heathrow Airport is Boeing 777 (56.62% of total bookings). The next most popular plane models are Boeing 777-300ER (13.81%), Boeing 787-9 Dreamliner (9.21%), and Boeing 777-300 (3.47%).

Best airlines flying from Maryland to London Heathrow Airport

Compare and see reviews for airlines that fly from Maryland to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $462	Free Cancellation	Rating 7.4 9,938 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $471	Free Cancellation	Rating 7.5 691 reviews	Search Virgin Atlantic flights
Icelandair	PriceFrom $479	Free Cancellation	Rating 7.0 702 reviews	Search Icelandair flights
British Airways	PriceFrom $589	Free Cancellation	Rating 6.7 8,095 reviews	Search British Airways flights
Finnair	PriceFrom $599	Free Cancellation	Rating 7.6 1,419 reviews	Search Finnair flights
American Airlines	PriceFrom $602	Free Cancellation	Rating 7.1 11,783 reviews	Search American Airlines flights
Delta	PriceFrom $609	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights
Iberia	PriceFrom $650	Free Cancellation	Rating 7.0 3,247 reviews	Search Iberia flights

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Wembley

Stansted

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Harrow

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Watford

Ilford

Cobham

Brentwood

Folkestone

Guildford

Romford

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maryland to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Maryland to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Maryland to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Maryland to London?

momondo helps you find the best flight between Maryland and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Maryland to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Maryland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London Heathrow Airport trip

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Flights to Belfast City Airportfrom $742

Cheap flights from Maryland to London from $271

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to London departing on 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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TAP AIR PORTUGAL flights from Maryland to London Heathrow Airport

Our best TAP AIR PORTUGAL deals on Maryland to London Heathrow Airport flight tickets

Scandinavian Airlines flights from Maryland to London Heathrow Airport

Our best Scandinavian Airlines deals on Maryland to London Heathrow Airport flight tickets

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

See travel insights to London from

How to get the cheapest flight ticket from Maryland to London Heathrow Airport

What is the cheapest month to fly to London Heathrow Airport?

What is the cheapest day to depart on your flight to London Heathrow Airport?

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

What is the cheapest Maryland to London Heathrow flight route?

How far in advance should I book a flight from Maryland to London Heathrow Airport?

What cabin class options are available on Maryland to London Heathrow Airport flights?

Can stopping save me money on Maryland to London Heathrow Airport flights?

What is the cheapest airline that flies from Maryland to London Heathrow?

What airlines fly to London Heathrow Airport?

How many flights depart from Maryland to London Heathrow Airport on average per day?

How many flights depart from Maryland to London Heathrow Airport on average per week?

How long does it take to fly to London Heathrow Airport?

Cheap Maryland to London Heathrow Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to London Heathrow Airport

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Maryland to London Heathrow Airport

Best airlines flying from Maryland to London Heathrow Airport

Compare and see reviews for airlines that fly from Maryland to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

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