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$198+ Cheap flights from Maryland to London (LON)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LON
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Maryland to London

Keep the following information in mind while searching for Maryland to London flight deals. Data was last updated July 29, 2025.

Round-trip from

$501
(oojo)

One-way from

$198
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$808

Good round-trip deal

$668 or less

Good one-way deal

$423 or less
From Maryland to London (LON)
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One-way flight from Maryland to London (LON)
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Highest demand for flights based on searches. 12% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Maryland to London (LON).
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Price to beat on a one-way flight from Maryland to London (LON).
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Find flight deals from Maryland to London

Cheapest flights from Maryland to London
Explore the most affordable flight options available from Maryland to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This oojo deal was found by Cheapflights users on 7/28. 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.
Fri 9/2611:15 pmIAD - LGW
1 stop10h 25mIcelandair
Tue 9/303:40 pmLGW - IAD
1 stop32h 40mIcelandair
Deal found 7/28$501
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:15 pmIAD - LHR
1 stop31h 40mIcelandair
Sun 10/121:05 pmLHR - IAD
1 stop14h 05mIcelandair
Deal found 7/29$501
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 9/27:25 pmIAD - LHR
Nonstop7h 20mBritish Airways
Wed 9/102:25 pmLHR - IAD
Nonstop8h 05mBritish Airways
Deal found 7/29$502
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:35 pmIAD - LHR
Nonstop7h 20mUnited Airlines
Wed 9/37:25 amLHR - IAD
1 stop12h 40mUnited Airlines
Deal found 7/28$503
This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:00 pmDCA - LGW
2 stops21h 00mIberia
Wed 9/243:05 pmLGW - DCA
1 stop13h 02mIberia
Deal found 7/28$503
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/148:45 pmIAD - STN
2 stops21h 35mMultiple Airlines
Mon 9/229:30 pmSTN - IAD
2 stops28h 35mMultiple Airlines
Deal found 7/28$504
This oojo deal was found by Cheapflights users on 7/29. 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.
Tue 8/1910:20 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Tue 8/264:25 pmLGW - IAD
1 stop27h 55mTAP AIR PORTUGAL
Deal found 7/29$504
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:55 pmDCA - LHR
1 stop14h 40mAir Canada
Tue 10/148:45 amLHR - DCA
2 stops15h 59mAir Canada
Deal found 7/28$506
This British Airways deal was found by Cheapflights users on 7/28. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:55 pmPHL - LHR
Nonstop7h 10mBritish Airways
Tue 8/126:55 amLHR - PHL
1 stop12h 10mBritish Airways
Deal found 7/28$506
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:35 amIAD - LHR
1 stop15h 55mAir Canada
Tue 9/96:00 amLHR - IAD
2 stops15h 10mAir Canada
Deal found 7/28$506
This Iberia deal was found by Cheapflights users on 7/28. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:50 pmPHL - LHR
Nonstop7h 15mIberia
Tue 9/237:10 pmLHR - PHL
1 stop25h 45mIberia
Deal found 7/28$507
This Expedia deal was found by Cheapflights users on 7/27. 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.
Wed 9/101:39 pmDCA - LGW
1 stop13h 31mBritish Airways
Wed 9/1711:35 amLGW - DCA
2 stops16h 32mBritish Airways
Deal found 7/27$507

Cheapflights Fare Finder

 
Customize your flight search to find flights from Maryland to London 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 July 29, 2025.
Use the filters below to find and compare flights from Maryland to London that are best for you.

Fly from

Maryland

Fly to

London

Route

Depart

Return

Price

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 9/26

11:15 pm-2:40 pm

1 stop10h 25m

London Gatwick

Tue 9/30

3:40 pm-7:20 pm

1 stop32h 40m

$501

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Fri 10/3

11:15 pm-11:55 am

1 stop31h 40m

London Heathrow

Sun 10/12

1:05 pm-10:10 pm

1 stop14h 05m

$501

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Tue 9/2

7:25 pm-7:45 am

Nonstop7h 20m

London Heathrow

Wed 9/10

2:25 pm-5:30 pm

Nonstop8h 05m

$502

Washington, D.C.London

IAD - LHR

IADLHR

Washington, D.C. Dulles Intl

Mon 8/25

6:35 pm-6:55 am

Nonstop7h 20m

London Heathrow

Wed 9/3

7:25 am-3:05 pm

1 stop12h 40m

$503

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/8

6:00 pm-8:00 pm

2 stops21h 00m

London Gatwick

Wed 9/24

3:05 pm-11:07 pm

1 stop13h 02m

$503

Washington, D.C.London

IAD - STN

IADSTN

Washington, D.C. Dulles Intl

Sun 9/14

8:45 pm-11:20 pm

2 stops21h 35m

London Stansted

Mon 9/22

9:30 pm-9:05 pm

2 stops28h 35m

$504

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 8/19

10:20 pm-3:35 pm

1 stop12h 15m

London Gatwick

Tue 8/26

4:25 pm-3:20 pm

1 stop27h 55m

$504

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 9/22

4:35 pm-10:55 am

1 stop13h 20m

London Gatwick

Wed 10/1

8:40 pm-3:00 pm

1 stop23h 20m

$505

Washington, D.C.London

DCA - LHR

DCALHR

Washington, D.C. Reagan-National

Wed 10/1

12:55 pm-8:35 am

1 stop14h 40m

London Heathrow

Tue 10/14

8:45 am-7:44 pm

2 stops15h 59m

$506

PhiladelphiaLondon

PHL - LHR

PHLLHR

Philadelphia

Mon 8/4

7:55 pm-8:05 am

Nonstop7h 10m

London Heathrow

Tue 8/12

6:55 am-2:05 pm

1 stop12h 10m

$506

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
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Best time to book a flight from Maryland to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, November is the cheapest month in which you can book a flight from Maryland to London (average of $661). Flying from Maryland to London in June is currently the most expensive (average of $1,097). 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 LON?

Find hourly flight availability from Maryland to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 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 as you normally would.

Weekly flight availability from Maryland to London

Explore weekly flight availability from Maryland to London. 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 July 29, 2025.

The most flights from USMD to LON are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Maryland to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated July 29, 2025.
See what other customers who have flown with Delta, KLM, and Austrian Airlines from Maryland to London have to say. 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
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
821 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,316 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,977 reviews

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Maryland to London. 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 one-way?

    $231 is the cheapest one-way deal found within the past few days, from WorldTicket. You may also be able to find cheap deals on Icelandair and PLAY, with prices starting from $235 and $240, respectively.

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

    The most popular route from Maryland to London is Washington, D.C. Dulles Intl - London Heathrow. You may also consider Baltimore/Washington - London Heathrow or Washington, D.C. Reagan-National - London Heathrow.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Maryland to London on time: American Airlines (53%), Aer Lingus (52%), British Airways (52%).

  • What are the cheapest flights from Maryland to London?

    On average you can expect to pay $2,103 for a flight from Maryland to London. The cheapest flight overall is $298 while the most popular route, (Washington, D.C. Dulles Intl - London Heathrow) is currently priced at $426.

  • Can I find deals for flights from Maryland to London that include hotel bookings?

    Yes. In addition to deals on Maryland to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Maryland to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Maryland to London.

  • Can I find deals for business class flights from Maryland to London?

    Yes. Cheapflights offers flight deals from Maryland to London 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?

    Currently, November is the cheapest month in which you can book a flight from Maryland to London (average of $661). Flying from Maryland to London in June is currently the most expensive (average of $1,097). 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?

Book flights to London if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Maryland to London

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to London City flights
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LaGuardia to Stansted flights
Los Angeles to London City flights
Dallas/Fort Worth to Gatwick flights
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Los Angeles to Gatwick flights
San Francisco to London City flights
Reagan-National to Gatwick flights
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Detroit to Heathrow flights
Atlanta to Gatwick flights

Top 9 airlines flying from Maryland to London

Discover the top 9 airlines that operate flights from Maryland to London. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$369Average$520FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$474Average$605FlexibilityNo cancel feeOn-time76%
KLMCheapest$520Average$615FlexibilityNo cancel feeOn-time75%
Virgin AtlanticCheapest$562Average$793FlexibilityNo cancel feeOn-time72%
IberiaCheapest$581Average$759FlexibilityNo cancel feeOn-time77%
FinnairCheapest$585Average$737FlexibilityNo cancel feeOn-time76%
DeltaCheapest$609Average$882FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$622Average$953FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$628Average$830FlexibilityNo cancel feeOn-time70%

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