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$302+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Apr 25 — May 21
Sat 4/25
Sat 5/2
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 March 26, 2026.

This oojo deal was found by Cheapflights users on 3/22. 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.
Mon 4/2010:35 pm
IAD
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Wed 4/296:45 pm
LHR
-
IAD
1 stop25h 25m
TAP AIR PORTUGAL
Deal found 3/22$626
This Gotogate deal was found by Cheapflights users on 3/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:35 pm
IAD
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Mon 5/41:45 pm
LHR
-
IAD
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 3/21$629
This Expedia deal was found by Cheapflights users on 3/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1910:35 pm
IAD
-
LHR
1 stop33h 10m
TAP AIR PORTUGAL
Thu 4/306:00 am
LHR
-
IAD
1 stop14h 10m
TAP AIR PORTUGAL
Deal found 3/21$630
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Sat 5/28:20 pm
IAD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Fri 5/87:30 pm
LHR
-
IAD
1 stop26h 30m
Scandinavian Airlines
Deal found 3/22$640
This FlightHub deal was found by Cheapflights users on 3/25. 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.
Sun 9/278:20 pm
IAD
-
LHR
2 stops35h 35m
Scandinavian Airlines
Wed 9/3010:20 am
LHR
-
IAD
1 stop11h 40m
Scandinavian Airlines
Deal found 3/25$641
This Booking.com deal was found by Cheapflights users on 3/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:35 pm
IAD
-
LHR
1 stop18h 25m
TAP AIR PORTUGAL
Mon 5/41:45 pm
LHR
-
IAD
1 stop30h 25m
TAP AIR PORTUGAL
Deal found 3/21$642
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Sun 4/198:20 pm
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Sat 5/26:40 am
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 3/25$643
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Mon 4/208:20 pm
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Thu 5/76:40 am
LHR
-
IAD
1 stop15h 20m
Scandinavian Airlines
Deal found 3/25$644
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Sun 4/198:20 pm
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Wed 4/2910:20 am
LHR
-
IAD
1 stop11h 40m
Scandinavian Airlines
Deal found 3/24$645
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Mon 4/278:20 pm
IAD
-
LHR
1 stop20h 20m
Scandinavian Airlines
Tue 5/56:40 pm
LHR
-
IAD
1 stop27h 20m
Scandinavian Airlines
Deal found 3/23$646
This Kiwi.com deal was found by Cheapflights users on 3/25. 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.
Sun 4/198:20 pm
IAD
-
LHR
1 stop16h 20m
Scandinavian Airlines
Sun 5/36:40 am
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 3/25$647
This Kiwi.com deal was found by Cheapflights users on 3/21. 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.
Mon 4/208:20 pm
IAD
-
LHR
1 stop14h 40m
Scandinavian Airlines
Mon 5/46:40 am
LHR
-
IAD
2 stops15h 20m
Scandinavian Airlines
Deal found 3/21$648

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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$626
(oojo)

One-way from

$302
(oojo)

Popular in

June

Cheapest in

September

Average price

$702

Good round-trip deal

$782 or less

Good one-way deal

$398 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 ($100 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 March 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 March 26, 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

Cheapest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/10

10:15 pm-10:40 am

Nonstop7h 25m

London Heathrow

Thu 8/20

6:55 am-3:05 pm

1 stop13h 10m

$800

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 4/12

8:02 pm-12:05 pm

1 stop11h 03m

London Heathrow

Thu 4/23

6:30 am-3:35 pm

1 stop14h 05m

$804
Quickest round-trip

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 8/5

10:55 pm-11:20 am

Nonstop7h 25m

London Heathrow

Thu 8/20

5:55 pm-8:55 pm

Nonstop8h 00m

$828

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 5/5

5:35 pm-6:20 am

Nonstop7h 45m

London Heathrow

Wed 5/13

5:05 pm-8:20 pm

Nonstop8h 15m

$831

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 4/22

3:31 pm-6:55 am

1 stop10h 24m

London Heathrow

Tue 4/28

4:25 pm-7:40 pm

Nonstop8h 15m

$833

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 4/25

6:50 pm-8:10 pm

1 stop20h 20m

London Heathrow

Thu 5/7

5:55 pm-8:55 pm

Nonstop8h 00m

$833

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 5/5

4:20 pm-10:00 am

1 stop12h 40m

London Heathrow

Tue 5/12

2:05 pm-9:55 pm

1 stop12h 50m

$835

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 4/15

8:20 pm-4:25 pm

2 stops15h 05m

London Heathrow

Tue 4/21

7:50 pm-5:00 pm

2 stops26h 10m

$842

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 9/10

10:55 pm-11:20 am

Nonstop7h 25m

London Heathrow

Thu 9/17

9:55 am-3:35 pm

1 stop10h 40m

$850

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 9/1

9:45 am-6:30 am

1 stop15h 45m

London Heathrow

Mon 9/7

6:50 am-1:30 pm

1 stop11h 40m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $481). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $699). 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 March 26, 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 to fly round-trip from Maryland to London Heathrow Airport?

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 $800, United Airlines can have you in London Heathrow Airport from Maryland in 7h 25m. 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 ($202), British Airways ($357), and Iberia ($363).

  • 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 (71%), Aer Lingus (71%) or Finnair (71%) 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 $332. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $488 on average, our data indicates $1,616 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, January is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $481). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $699). 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
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Borehamwood
Broadway
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton

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.

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 March 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$462Average$862FlexibilityNo cancel feeOn-time69%
IcelandairCheapest$481Average$633FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$520Average$715FlexibilityNo cancel feeOn-time72%
FinnairCheapest$585Average$740FlexibilityNo cancel feeOn-time76%
IberiaCheapest$595Average$773FlexibilityNo cancel feeOn-time77%
DeltaCheapest$598Average$823FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$599Average$813FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$606Average$853FlexibilityNo cancel feeOn-time71%

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