Cheap flights from Baltimore to London Heathrow Airport from £261

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
5 Jun — 12 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Baltimore/Washington to London Heathrow are usually found in January or November, booked 57 days in advance, depart on a Thursday or Sunday and return on a Tuesday

Cheap flight deals from Baltimore to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Baltimore to Heathrow
Explore the most affordable flight options available from Baltimore to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 May 2026.

Tue 6/1020:30
BWI
-
LHR
1 stop18h 50m
Icelandair
Tue 13/1021:25
LHR
-
BWI
1 stop27h 00m
Icelandair
Deal found 3/5£533
Thu 12/1119:40
BWI
-
LHR
1 stop10h 10m
Icelandair
Thu 19/1120:35
LHR
-
BWI
1 stop27h 05m
Icelandair
Deal found 5/5£534
Fri 23/1020:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Wed 28/1020:35
LHR
-
BWI
1 stop27h 05m
Icelandair
Deal found 5/5£535
Thu 1/1023:20
BWI
-
LHR
1 stop16h 00m
Icelandair
Tue 6/1013:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 3/5£536
Sat 26/920:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Sat 10/1013:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 3/5£538
Wed 30/920:30
BWI
-
LHR
1 stop18h 50m
Icelandair
Sun 4/1021:25
LHR
-
BWI
1 stop27h 00m
Icelandair
Deal found 2/5£538
Sat 24/1020:40
BWI
-
LHR
1 stop10h 10m
Icelandair
Sat 7/1112:15
LHR
-
BWI
1 stop11h 25m
Icelandair
Deal found 1/5£539
Sat 10/1020:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Tue 20/1013:05
LHR
-
BWI
1 stop14h 10m
Icelandair
Deal found 2/5£540
Mon 2/1119:40
BWI
-
LHR
1 stop10h 10m
Icelandair
Fri 13/1112:15
LHR
-
BWI
1 stop11h 25m
Icelandair
Deal found 4/5£540
Sun 4/1020:30
BWI
-
LHR
1 stop18h 50m
Icelandair
Sat 10/1013:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 3/5£541
Tue 3/1119:40
BWI
-
LHR
1 stop18h 50m
Icelandair
Tue 10/1120:35
LHR
-
BWI
1 stop27h 05m
Icelandair
Deal found 1/5£542

Find flight deals from Baltimore to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 May 2026.

Round-trip from

£533

One-way from

£261

Popular in

June

Cheapest in

January

Average price

£611
Icelandair
  • Icelandair
  • 6/10-13/10
  • 2 total stops
  • 45h 50m total
  • Baltimore to London
Icelandair
  • Icelandair
  • 12/7
  • 1 total stop
  • 10h 25m total
  • Baltimore to London
Highest demand for flights based on searches. 17% potential increase in price (£90 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Baltimore 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 858,174 searches. Data last updated 6 May 2026.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 12/8

10:25-07:10

2 stops15h 45m

London Heathrow

Thu 10/9

06:30-16:57

2 stops15h 27m

£644

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 9/9

18:09-09:25

1 stop10h 16m

London Heathrow

Wed 23/9

14:00-17:15

Nonstop8h 15m

£654

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 28/8

21:30-09:50

Nonstop7h 20m

London Heathrow

Wed 2/9

15:00-21:58

1 stop11h 58m

£731

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 21/7

13:45-09:15

1 stop14h 30m

London Heathrow

Wed 5/8

11:30-08:20

2 stops25h 50m

£746
Fastest return journey

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 23/7

21:30-09:50

Nonstop7h 20m

London Heathrow

Wed 29/7

16:25-19:40

Nonstop8h 15m

£787

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 10/8

12:03-07:15

1 stop14h 12m

London Heathrow

Mon 17/8

06:15-17:15

2 stops16h 00m

£789

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 24/7

13:45-06:45

1 stop12h 00m

London Heathrow

Fri 31/7

09:40-17:42

1 stop13h 02m

£799

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 21/7

09:39-06:45

2 stops16h 06m

London Heathrow

Mon 27/7

09:40-21:29

2 stops16h 49m

£816

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Thu 30/7

08:16-06:45

1 stop17h 29m

London Heathrow

Sun 2/8

08:00-21:26

1 stop18h 26m

£850

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sat 1/8

14:16-10:40

2 stops15h 24m

London Heathrow

Sat 8/8

10:45-21:33

1 stop15h 48m

£853

Flights are sorted by cheapest return flights first.

Deals found on 1/5

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Baltimore to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Baltimore with our price prediction graph.
Estimated return 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 Baltimore to London Heathrow Airport

How far ahead should I book a flight from Baltimore to London Heathrow Airport?

The price you pay for your flight from Baltimore to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £476). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £825). 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 BWI to LHR?

Find hourly flight availability from Baltimore 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 6 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Baltimore to London Heathrow Airport as you normally would.

How much does it cost for a return flight from Baltimore to London Heathrow Airport?

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 6 May 2026.
Read through reviews of airlines operating flights from Baltimore to London Heathrow Airport, such as American Airlines,Icelandair, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Boarding

7.5

Entertainment

6.9

Comfort

7.2

Overall

7.1

Food

6.4

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

Related info for your journey

Find useful and relevant information for your journey from Baltimore to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Baltimore to London Heathrow?

    Baltimore/Washington (BWI) is the airport you will fly out of if you book a flight from Baltimore to London Heathrow. You should not have trouble finding flights to London Heathrow from Baltimore/Washington; the airport handles an average of 3 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Baltimore airport to London Heathrow. It is only a 8.5 mi journey to Baltimore/Washington (BWI) from Baltimore’s city center.

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

    Departing from Baltimore to London Heathrow Airport will take you 10h 16m. There are 3622 mi between Baltimore and London Heathrow Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Baltimore to London Heathrow Airport round-trip?

    Cheapflights users have booked flights from Baltimore to London Heathrow Airport round-trip from £383. Other airlines that can offer you cheap pricing are British Airways, from £438, and American Airlines, from £506. Icelandair is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

    Before booking your flight to London Heathrow Airport from Baltimore, check out the most reliable airlines to get you to your destination on time: American Airlines (71%), Aer Lingus (71%), Finnair( 71%).

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

    The cheapest flight price from Baltimore to London Heathrow Airport is £365. On average you can expect to pay £736. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for £534.

  • Can I find deals for flights from Baltimore to Heathrow that include hotel bookings?

    Yes. In addition to deals on Baltimore to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Baltimore to Heathrow?

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

  • Can I find deals for business class flights from Baltimore to Heathrow?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £476). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £825). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Northampton
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Baltimore to Heathrow

Discover the top 3 airlines that operate flights from Baltimore 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 858,174 searches. Data last updated 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£383Average£555FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£438Average£565FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£506Average£713FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Baltimore to Heathrow?

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Why should you use Cheapflights to find cheap flight tickets from Baltimore to Heathrow?

Cheapflights simply makes it quick and affordable to book flights from Baltimore to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Baltimore to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Baltimore to Heathrow with no change fees.

Can Cheapflights notify me if prices for flights from Baltimore to Heathrow become cheaper?

Not ready to book yet? You can track prices for flights from Baltimore to Heathrow on Cheapflights with our Price Alert feature and get notified when better prices are available.

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