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$277+ Cheap flights from Maryland to Heathrow (LHR)

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
mar. 5 — mar. 121
jue. 3/5
jue. 3/12
1 adult, Economy
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Cheap flight deals from Maryland to Heathrow

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 febrero 3, 2026.

This Mytrip deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/218:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
jue. 4/301:05 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Deal found 1/31$522
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/168:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
mié. 4/221:05 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Deal found 2/1$523
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/168:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
dom. 4/199:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/1$524
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/157:40 pm
IAD
-
LHR
1 stop18h 50m
Icelandair
mié. 2/2512:15 pm
LHR
-
IAD
1 stop11h 15m
Icelandair
Deal found 2/1$526
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/178:40 pm
IAD
-
LHR
1 stop10h 10m
Icelandair
mar. 3/248:35 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/2$527
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 3/228:40 pm
IAD
-
LHR
1 stop10h 10m
Icelandair
lun. 3/309:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/1$528
This FlightHub deal was found by Cheapflights users on 1/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/178:30 pm
IAD
-
LHR
1 stop10h 25m
Icelandair
vie. 4/249:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 1/31$529
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/298:30 pm
IAD
-
LHR
1 stop18h 50m
Icelandair
jue. 5/149:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/2$530
This oojo deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 2/97:40 pm
IAD
-
LHR
1 stop10h 10m
Icelandair
lun. 2/238:35 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/2$531
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/218:30 pm
IAD
-
LHR
1 stop18h 50m
Icelandair
sáb. 5/29:25 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/1$532
This oojo deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/188:40 pm
IAD
-
LHR
1 stop10h 10m
Icelandair
sáb. 3/288:35 pm
LHR
-
IAD
1 stop26h 45m
Icelandair
Deal found 2/1$533
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/37:40 pm
IAD
-
LHR
1 stop10h 10m
Icelandair
lun. 3/98:35 pm
LHR
-
IAD
1 stop26h 55m
Icelandair
Deal found 2/2$535

Find flight deals from Maryland to Heathrow

Keep the following information in mind while searching for Maryland to Heathrow flight deals. Data was last updated febrero 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$522
(CrystalTravel)

One-way from

$277
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$643

Good round-trip deal

$656 or less

Good one-way deal

$376 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
Search Deals
From Maryland to London Heathrow
Search Deals
One-way flight from Maryland to London Heathrow
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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

 
Customize your flight search to find flights from Maryland to Heathrow 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, Cheapflights users made 2,558,603 searches. Data last updated febrero 3, 2026.
Use the filters below to find and compare flights from Maryland to London Heathrow Airport that are best for you.

Fly from

Maryland

Fly to

Heathrow

Route

Depart

Return

Price

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mié. 3/18

11:20 pm-10:40 am

Nonstop7h 20m

London Heathrow

mié. 3/25

10:00 am-5:05 pm

1 stop11h 05m

$617

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mié. 2/25

6:20 pm-6:40 am

Nonstop7h 20m

London Heathrow

vie. 3/6

6:50 am-2:35 pm

1 stop12h 45m

$620

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mar. 2/24

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

mar. 3/3

6:50 am-2:35 pm

1 stop12h 45m

$620

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mié. 2/18

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

vie. 3/6

6:50 am-2:35 pm

1 stop12h 45m

$620

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

dom. 3/1

6:00 am-8:35 pm

1 stop9h 35m

London Heathrow

dom. 3/8

6:50 am-2:35 pm

1 stop12h 45m

$625

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

jue. 3/12

6:00 am-8:35 pm

1 stop10h 35m

London Heathrow

jue. 3/19

6:50 am-3:35 pm

1 stop12h 45m

$625

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

lun. 2/16

6:30 am-7:55 am

1 stop20h 25m

London Heathrow

lun. 2/23

1:45 pm-2:01 pm

2 stops53h 16m

$635

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

vie. 3/6

8:00 pm-5:55 am

1 stop28h 55m

London Heathrow

dom. 3/15

12:00 pm-12:19 pm

1 stop28h 19m

$636

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mié. 4/29

10:10 pm-10:40 am

Nonstop7h 30m

London Heathrow

jue. 5/14

6:50 am-1:30 pm

1 stop11h 40m

$636

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

mar. 4/14

10:10 pm-10:40 am

Nonstop7h 30m

London Heathrow

mar. 4/28

6:50 am-2:20 pm

1 stop12h 30m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 60 results
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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.
Estimated round-trip 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

What is the cheapest month to book a flight from Maryland to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $478). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $720). 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?

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 febrero 3, 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.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Maryland to London Heathrow Airport?

    For as low as $617, KLM can have you in London Heathrow Airport from Maryland in 7h 20m. Maryland and London Heathrow Airport are separated by a distance of 3664 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Maryland to London Heathrow Airport one-way?

    The cheapest airlines for a one-way flight from Maryland to London Heathrow Airport are Icelandair ($184), Iberia ($363), and British Airways ($374).

  • What are the most popular routes from Maryland to London Heathrow Airport?

    Most travelers choose Washington, D.C. Dulles Intl - London Heathrow, Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow when deciding on the best route from Maryland to London Heathrow Airport.

  • What are the most reliable airlines from Maryland to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Maryland to London Heathrow Airport consider choosing American Airlines (78%), Aer Lingus (78%) or Finnair (78%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Maryland to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for $256. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $429 on average, our data indicates $1,515 when flying from Maryland to London Heathrow Airport.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $478). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $720). 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.

See more FAQs

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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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.
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Reagan-National to Heathrow flights
Boston to London City flights
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Newark to Stansted flights
Dulles Intl to Gatwick flights
Newark to London City flights
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Dulles Intl to London City flights
Dulles Intl to Stansted flights
Boston to Stansted flights
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O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
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George Bush Intcntl to Heathrow flights
O'Hare Intl to London City flights
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San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
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Seattle to Gatwick flights
Los Angeles to London City flights
Raleigh to Heathrow flights
Portland to Heathrow flights

Top 8 airlines flying from Maryland to Heathrow

Discover the top 8 airlines that operate flights from Maryland to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated febrero 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$462Average$905FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$471Average$715FlexibilityNo cancel feeOn-time72%
IcelandairCheapest$479Average$628FlexibilityNo cancel feeOn-time76%
IberiaCheapest$584Average$764FlexibilityNo cancel feeOn-time77%
FinnairCheapest$585Average$740FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$606Average$804FlexibilityNo cancel feeOn-time70%
DeltaCheapest$609Average$873FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$621Average$959FlexibilityNo cancel feeOn-time71%

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