Cheap flights from Maryland to London from $283

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 3/3. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
8:30 pm - 11:55 am
IAD
-
LHR
10h 25m
1 stop
Icelandair Logo
1:05 pm - 7:20 pm
LHR
-
IAD
11h 15m
1 stop
$545Icelandair
Wed, Apr 15 - Mon, Apr 20
Icelandair Logo
8:30 pm - 11:55 am
IAD
-
LHR
10h 25m
1 stop
Icelandair Logo
1:05 pm - 7:20 pm
LHR
-
IAD
11h 15m
1 stop
$546Icelandair
Wed, Apr 8 - Wed, Apr 22
Icelandair Logo
8:30 pm - 8:20 pm
IAD
-
LHR
18h 50m
1 stop
Icelandair Logo
1:05 pm - 7:20 pm
LHR
-
IAD
11h 15m
1 stop
$547Icelandair
Wed, Apr 15 - Mon, Apr 20
Icelandair Logo
8:30 pm - 11:55 am
IAD
-
LHR
10h 25m
1 stop
Icelandair Logo
9:25 pm - 7:20 pm
LHR
-
IAD
26h 55m
1 stop
$548Icelandair
Thu, Apr 2 - Wed, Apr 8
Virgin Atlantic Logo
10:20 pm - 10:40 am
IAD
-
LHR
7h 20mnonstop
Virgin Atlantic Logo
8:55 am - 5:35 pm
LHR
-
IAD
12h 40m
1 stop
$551Virgin Atlantic
Sun, Mar 1 - Tue, Mar 10
Air Canada Logo
12:55 pm - 8:35 pm
DCA
-
LHR
26h 40m
2 stops
Air Canada Logo
9:00 am - 9:56 pm
LHR
-
DCA
16h 56m
2 stops
$597Air Canada
Mon, Mar 2 - Wed, Mar 18
Air Canada Logo
4:10 pm - 7:10 am
DCA
-
LHR
10h 00m
1 stop
Air Canada Logo
6:50 am - 9:56 pm
LHR
-
DCA
19h 06m
2 stops
$602Air Canada
Mon, Mar 2 - Wed, Mar 18
Multiple Airlines Logo
12:55 pm - 9:20 am
DCA
-
LHR
15h 25m
1 stop
Multiple Airlines Logo
6:50 am - 3:31 pm
LHR
-
DCA
13h 41m
2 stops
$606Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
11:05 am - 6:30 am
DCA
-
LHR
14h 25m
2 stops
Multiple Airlines Logo
6:50 am - 3:31 pm
LHR
-
DCA
13h 41m
2 stops
$618Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Aer Lingus Logo
8:25 pm - 12:40 pm
PHL
-
LHR
11h 15m
1 stop
Aer Lingus Logo
12:00 pm - 6:55 pm
LHR
-
PHL
11h 55m
1 stop
$643Aer Lingus
Tue, Apr 14 - Tue, Apr 21

United Airlines flights from Maryland to London Heathrow Airport

Our best United Airlines deals on Maryland to London Heathrow Airport flight tickets
United Airlines
Feb 24
IAD6:20 pmWashington, D.C. Dulles Intl
7h 20m
LHR6:40 amLondon Heathrow
Mar 2
LHR1:45 pmLondon Heathrow
31h 55m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
$618
United Airlines
Mar 3
BWI5:20 pmBaltimore/Washington
12h 55m
1 stop
LHR11:15 amLondon Heathrow
Mar 10
LHR6:35 amLondon Heathrow
19h 07m
2 stops
BWI9:42 pmBaltimore/Washington
$623
United Airlines
Feb 15
BWI6:30 amBaltimore/Washington
18h 25m
1 stop
LHR5:55 amLondon Heathrow
Feb 23
LHR12:05 pmLondon Heathrow
54h 56m
2 stops
BWI2:01 pmBaltimore/Washington
$624

Lufthansa flights from Maryland to London Heathrow Airport

Our best Lufthansa deals on Maryland to London Heathrow Airport flight tickets
Lufthansa
Feb 19
IAD6:00 pmWashington, D.C. Dulles Intl
10h 45m
1 stop
LHR9:45 amLondon Heathrow
Feb 25
LHR8:30 amLondon Heathrow
12h 20m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$660
Lufthansa
Mar 9
PHL4:35 pmPhiladelphia
11h 55m
1 stop
LHR8:30 amLondon Heathrow
Mar 17
LHR6:30 amLondon Heathrow
14h 35m
1 stop
PHL5:05 pmPhiladelphia
$689
Lufthansa
Mar 9
PHL4:35 pmPhiladelphia
16h 25m
2 stops
LHR1:00 pmLondon Heathrow
Mar 17
LHR8:30 amLondon Heathrow
12h 35m
1 stop
PHL5:05 pmPhiladelphia
$697

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 15, 2026.
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

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/15

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Mon 4/20

1:05 pm-7:20 pm

1 stop11h 15m

$545

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/8

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Wed 4/22

1:05 pm-7:20 pm

1 stop11h 15m

$546

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/15

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Mon 4/20

1:05 pm-7:20 pm

1 stop11h 15m

$547

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 4/2

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Wed 4/8

9:25 pm-7:20 pm

1 stop26h 55m

$548

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 3/1

10:20 pm-10:40 am

Nonstop7h 20m

London Heathrow

Tue 3/10

8:55 am-5:35 pm

1 stop12h 40m

$551

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 3/2

12:55 pm-8:35 pm

2 stops26h 40m

London Heathrow

Wed 3/18

9:00 am-9:56 pm

2 stops16h 56m

$597

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Mon 3/2

4:10 pm-7:10 am

1 stop10h 00m

London Heathrow

Wed 3/18

6:50 am-9:56 pm

2 stops19h 06m

$602

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 2/25

12:55 pm-9:20 am

1 stop15h 25m

London Heathrow

Wed 3/4

6:50 am-3:31 pm

2 stops13h 41m

$606

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 2/25

11:05 am-6:30 am

2 stops14h 25m

London Heathrow

Wed 3/4

6:50 am-3:31 pm

2 stops13h 41m

$618

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Tue 4/14

8:25 pm-12:40 pm

1 stop11h 15m

London Heathrow

Tue 4/21

12:00 pm-6:55 pm

1 stop11h 55m

$643

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

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

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

The month of August is, on average, the cheapest month to fly to London Heathrow Airport from Maryland, with most prices found around $657. If you’re not able to fly to London Heathrow Airport in August, then September is your next best option. Flight prices from Maryland to London Heathrow Airport during September average around $658.

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 $757. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $884.

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 $807. 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 $814.

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 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 $759 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 $711 on momondo.

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

There are 3 cabin classes available to choose from on Maryland to London Heathrow 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 10% 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

$374

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 $374. The best round-trip flight deal from Maryland to London Heathrow Airport found on momondo in the last 72 hours is $666.
The fastest flight from Maryland to London Heathrow Airport takes 7h 00m
Direct flights go from Maryland to London Heathrow Airport every day.
  • 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?

  • 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?

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 AirlinesPriceFrom $462Free CancellationRating
7.4
9,295 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $471Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
IcelandairPriceFrom $479Free CancellationRating
7.1
614 reviews
Search Icelandair flights
IberiaPriceFrom $585Free CancellationRating
7.0
3,115 reviews
Search Iberia flights
FinnairPriceFrom $585Free CancellationRating
7.6
1,362 reviews
Search Finnair flights
British AirwaysPriceFrom $606Free CancellationRating
6.7
7,740 reviews
Search British Airways flights
DeltaPriceFrom $609Free CancellationRating
7.9
8,201 reviews
Search Delta flights
American AirlinesPriceFrom $623Free CancellationRating
7.2
11,298 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Hayes
Wembley
Dartford
Stratford-upon-Avon
Croydon
Brentwood
Guildford
Harrow
Watford
Cobham
Folkestone
Romford
Stansted

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.

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1 adult
Tue 3/17
Tue 3/24

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