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$248+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:40 pmIAD - LHR
1 stop10h 10mIcelandair
Tue 1/1312:15 pmLHR - IAD
1 stop11h 15mIcelandair
Deal found 12/18$583
This Cheapflightsfares deal was found by Cheapflights users on 12/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:25 pmIAD - LHR
1 stop17h 55mSWISS
Wed 1/146:00 amLHR - IAD
1 stop14h 30mSWISS
Deal found 12/16$587
This FlightHub deal was found by Cheapflights users on 12/15. 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.
Tue 12/307:40 pmBWI - LHR
1 stop10h 10mIcelandair
Wed 1/78:35 pmLHR - BWI
1 stop27h 05mIcelandair
Deal found 12/15$602
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:15 pmIAD - LHR
Nonstop7h 35mUnited Airlines
Wed 1/146:50 amLHR - IAD
1 stop12h 45mUnited Airlines
Deal found 12/17$606
This Air Canada deal was found by Cheapflights users on 12/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:10 pmIAD - LHR
1 stop11h 10mAir Canada
Wed 1/146:50 amLHR - IAD
2 stops14h 34mAir Canada
Deal found 12/18$609
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/307:40 pmIAD - LHR
1 stop10h 10mIcelandair
Sat 1/2412:15 pmLHR - IAD
1 stop11h 15mIcelandair
Deal found 12/17$611
This Air Canada deal was found by Cheapflights users on 12/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:10 pmDCA - LHR
1 stop10h 00mAir Canada
Wed 1/146:50 amLHR - DCA
2 stops13h 41mAir Canada
Deal found 12/16$612
This CheapOair deal was found by Cheapflights users on 12/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:05 amDCA - LHR
1 stop15h 05mMultiple Airlines
Wed 1/146:50 amLHR - DCA
2 stops13h 41mMultiple Airlines
Deal found 12/17$613
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:20 pmIAD - LHR
Nonstop7h 30mDelta
Wed 1/148:55 amLHR - IAD
1 stop12h 40mDelta
Deal found 12/16$613
This Air Canada deal was found by Cheapflights users on 12/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:45 amIAD - LHR
2 stops15h 45mMultiple Airlines
Wed 1/146:50 amLHR - IAD
2 stops14h 34mMultiple Airlines
Deal found 12/18$619
This CheapOair deal was found by Cheapflights users on 12/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:05 pmIAD - LHR
1 stop11h 00mAer Lingus
Wed 1/147:50 amLHR - IAD
1 stop12h 45mAer Lingus
Deal found 12/18$620
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/307:40 pmBWI - LHR
1 stop10h 10mIcelandair
Thu 1/812:15 pmLHR - BWI
1 stop11h 25mIcelandair
Deal found 12/16$622

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 December 18, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$577
(CrystalTravel)

One-way from

$248
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$978

Good round-trip deal

$623 or less

Good one-way deal

$446 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. 6% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Sat 1/24

8:30 pm-6:50 pm

2 stops17h 20m

London Heathrow

Tue 2/3

9:05 pm-5:15 pm

2 stops25h 10m

$583

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 2/13

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

Thu 2/19

6:50 am-2:35 pm

1 stop12h 45m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 3/4

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

Mon 3/9

6:50 am-3:35 pm

1 stop12h 45m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 3/1

6:20 pm-6:40 am

Nonstop7h 20m

London Heathrow

Mon 3/9

6:50 am-3:35 pm

1 stop12h 45m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 3/17

11:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

Tue 3/24

9:00 am-5:40 pm

1 stop12h 40m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sat 2/28

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

Sun 3/8

9:00 am-5:40 pm

1 stop12h 40m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Thu 1/15

10:15 pm-10:50 am

Nonstop7h 35m

London Heathrow

Sun 1/25

9:00 am-4:40 pm

1 stop12h 40m

$614

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 1/7

6:20 pm-6:40 am

Nonstop7h 20m

London Heathrow

Tue 1/13

9:00 am-4:40 pm

1 stop12h 40m

$614

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 1/7

11:05 am-7:10 am

1 stop15h 05m

London Heathrow

Wed 1/14

6:50 am-3:31 pm

2 stops13h 41m

$620

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 3/1

7:01 pm-11:40 am

1 stop11h 39m

London Heathrow

Mon 3/9

6:30 am-5:53 pm

2 stops15h 23m

$629

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $475). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $725). 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Maryland to London Heathrow Airport at noon. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight in the morning.

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 $614, Scandinavian Airlines can have you in London Heathrow Airport from Maryland in 7h 35m. 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 ($185), Iberia ($383), and British Airways ($384).

  • 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 (83%), Aer Lingus (83%) or Finnair (83%) 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 $366. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $419 on average, our data indicates $1,018 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 $475). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $725). 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
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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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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Top 10 airlines flying from Maryland to Heathrow

Discover the top 10 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$429Average$521FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$476Average$585FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$506Average$913FlexibilityNo cancel feeOn-time69%
KLMCheapest$520Average$615FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$520Average$793FlexibilityNo cancel feeOn-time72%
IberiaCheapest$579Average$767FlexibilityNo cancel feeOn-time77%
FinnairCheapest$599Average$753FlexibilityNo cancel feeOn-time76%
DeltaCheapest$609Average$872FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$616Average$816FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$636Average$827FlexibilityNo cancel feeOn-time71%

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