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$245+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheap flight deals from Maryland to Heathrow

Keep the following information in mind while searching for Maryland to Heathrow flight deals. Data was last updated April 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$621
(Iberia)

One-way from

$245
(eDestinos)

Popular in

June

Cheapest in

January

Average price

$711

Good round-trip deal

$688 or less

Good one-way deal

$470 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London (LON) flights.
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From Maryland to London Heathrow
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One-way flight from Maryland to London Heathrow
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Highest demand for flights based on searches. 13% potential increase in price ($113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Maryland to London Heathrow.
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Price to beat on a one-way flight from Maryland to London Heathrow.
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Find 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 April 30, 2025.

This oojo deal was found by Cheapflights users on 4/28. 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.
Sun 8/1010:05 pmIAD - LHR
2 stops18h 30mScandinavian Airlines
Sat 8/235:00 pmLHR - IAD
1 stop31h 59mScandinavian Airlines
Deal found 4/28$617
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/175:00 pmDCA - LHR
1 stop9h 45mIberia
Thu 9/2511:30 amLHR - DCA
2 stops16h 30mIberia
Deal found 4/29$621
This Expedia deal was found by Cheapflights users on 4/29. 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 10/196:30 amDCA - LHR
1 stop9h 15mJetBlue
Sun 10/268:25 amLHR - DCA
1 stop12h 34mJetBlue
Deal found 4/29$622
This oojo deal was found by Cheapflights users on 4/29. 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.
Fri 8/2911:15 pmIAD - LHR
1 stop16h 05mIcelandair
Tue 9/21:05 pmLHR - IAD
1 stop11h 15mIcelandair
Deal found 4/29$623
This Delta deal was found by Cheapflights users on 4/29. 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.
Tue 8/53:30 pmIAD - LHR
1 stop10h 45mDelta
Thu 8/1411:30 amLHR - IAD
1 stop12h 45mDelta
Deal found 4/29$624
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/18:30 pmBWI - LHR
1 stop18h 50mIcelandair
Thu 10/308:40 pmLHR - BWI
1 stop26h 50mIcelandair
Deal found 4/29$625
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:20 pmBWI - LHR
Nonstop7h 15mIberia
Thu 9/254:35 pmLHR - BWI
Nonstop8h 00mIberia
Deal found 4/29$627
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 8/265:55 pmIAD - LHR
Nonstop7h 20mIberia
Wed 9/36:15 amLHR - IAD
1 stop13h 45mIberia
Deal found 4/29$627
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/58:30 pmBWI - LHR
1 stop10h 25mMultiple Airlines
Mon 5/128:50 pmLHR - BWI
2 stops39h 41mMultiple Airlines
Deal found 4/29$634
This World Air Fares deal was found by Cheapflights users on 4/28. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:30 pmIAD - LHR
Nonstop7h 25mLufthansa
Wed 5/2112:15 pmLHR - IAD
Nonstop8h 10mLufthansa
Deal found 4/28$634
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:20 pmBWI - LHR
Nonstop7h 15mAmerican Airlines
Wed 10/19:15 amLHR - BWI
1 stop11h 40mAmerican Airlines
Deal found 4/29$635
This World Air Fares deal was found by Cheapflights users on 4/29. 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 World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:20 pmBWI - LHR
Nonstop7h 15mFinnair
Wed 8/274:35 pmLHR - BWI
Nonstop8h 00mFinnair
Deal found 4/29$637

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 April 30, 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

Tue 5/13

10:40 pm-11:05 am

Nonstop7h 25m

London Heathrow

Thu 5/29

6:15 am-3:00 pm

1 stop13h 45m

$619

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 5/13

8:30 pm-11:55 am

1 stop10h 25m

London Heathrow

Sun 5/18

9:25 pm-7:20 pm

1 stop26h 55m

$621

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 5/13

3:52 pm-7:15 am

1 stop10h 23m

London Heathrow

Wed 5/21

9:30 am-3:50 pm

1 stop11h 20m

$622

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Wed 5/14

5:50 pm-6:20 am

Nonstop7h 30m

London Heathrow

Tue 9/9

6:15 am-7:15 pm

1 stop18h 00m

$623

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 10/1

8:30 pm-8:20 pm

1 stop18h 50m

London Heathrow

Thu 10/30

8:40 pm-7:30 pm

1 stop26h 50m

$625

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/17

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Thu 9/25

4:35 pm-7:35 pm

Nonstop8h 00m

$627

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/24

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Wed 10/1

9:15 am-3:55 pm

1 stop11h 40m

$635

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 7/29

9:20 pm-9:35 am

Nonstop7h 15m

London Heathrow

Wed 8/27

4:35 pm-7:35 pm

Nonstop8h 00m

$637

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Tue 5/6

1:45 pm-6:30 am

1 stop11h 45m

London Heathrow

Wed 5/14

8:15 am-10:58 pm

1 stop19h 43m

$637

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Sun 5/11

5:20 pm-9:05 am

1 stop10h 45m

London Heathrow

Thu 5/22

8:50 am-3:50 pm

1 stop12h 00m

$638

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, November is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $661). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 April 30, 2025.

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.

Weekly flight availability from Maryland to London Heathrow Airport

Explore weekly flight availability from Maryland to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2025.

The most flights from USMD to LHR are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated April 30, 2025.
To help decide which airline to fly from Maryland to London, see what other customers have to say about Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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 ($245), TAP AIR PORTUGAL ($270), and JetBlue ($319).

  • 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 (55%), Aer Lingus (55%) or Finnair (55%) 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 $392. While the most popular route (Washington, D.C. Dulles Intl - London Heathrow) can be booked for $419 on average our data indicates $1,319 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, November is the cheapest month in which you can book a flight from Maryland to London Heathrow Airport (average of $661). Flying from Maryland to London Heathrow Airport in June is currently the most expensive (average of $1,110). 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 Maryland?

Book flights to Maryland if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Borehamwood
Folkestone
Ilford
Broadway
Aylesbury

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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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Dallas/Fort Worth to Gatwick flights

Top 9 airlines flying from Maryland to Heathrow

Discover the top 9 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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$400Average$521FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$595FlexibilityNo cancel feeOn-time76%
IberiaCheapest$582Average$757FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$585Average$829FlexibilityNo cancel feeOn-time72%
United AirlinesCheapest$601Average$988FlexibilityNo cancel feeOn-time69%
FinnairCheapest$603Average$762FlexibilityNo cancel feeOn-time76%
DeltaCheapest$631Average$880FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$632Average$840FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$635Average$958FlexibilityNo cancel feeOn-time71%

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