Cheap flights from Baltimore to London Heathrow Airport from £228

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
28 Apr — 5 May1
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 29 March 2026.

Wed 30/920:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Mon 5/1021:25
LHR
-
BWI
1 stop29h 50m
Icelandair
Deal found 25/3£509
Tue 20/1020:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Sat 24/1021:25
LHR
-
BWI
1 stop27h 15m
Icelandair
Deal found 24/3£511
Wed 9/923:20
BWI
-
LHR
1 stop31h 35m
Icelandair
Tue 22/913:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 25/3£514
Mon 11/520:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Wed 20/521:25
LHR
-
BWI
1 stop29h 50m
Icelandair
Deal found 25/3£516
Thu 1/1023:20
BWI
-
LHR
1 stop16h 00m
Icelandair
Tue 6/1013:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 25/3£518
Wed 7/1020:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Sat 24/1021:25
LHR
-
BWI
1 stop27h 15m
Icelandair
Deal found 25/3£520
Thu 3/923:20
BWI
-
LHR
1 stop16h 00m
Icelandair
Mon 14/913:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 25/3£521
Sat 5/920:30
BWI
-
LHR
1 stop18h 50m
Icelandair
Sat 12/913:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 25/3£522
Thu 3/920:30
BWI
-
LHR
1 stop10h 25m
Icelandair
Mon 7/921:25
LHR
-
BWI
1 stop27h 00m
Icelandair
Deal found 25/3£523
Tue 25/820:30
BWI
-
LHR
1 stop18h 50m
Icelandair
Sat 5/913:05
LHR
-
BWI
1 stop11h 20m
Icelandair
Deal found 24/3£523
Sat 9/523:20
BWI
-
LHR
1 stop16h 00m
Icelandair
Sat 16/521:25
LHR
-
BWI
1 stop27h 00m
Icelandair
Deal found 25/3£524

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 29 March 2026.

Round-trip from

£514

One-way from

£228

Popular in

June

Cheapest in

January

Average price

£537
Icelandair
  • Icelandair
  • 9/9-22/9
  • 2 total stops
  • 42h 55m total
  • Baltimore to London
Icelandair
  • Icelandair
  • 3/8
  • 1 total stop
  • 18h 50m total
  • Baltimore to London
Highest demand for flights based on searches. 15% potential increase in price (£77 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in March 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 29 March 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 15/4

14:18-07:15

1 stop11h 57m

London Heathrow

Wed 22/4

08:40-20:17

2 stops16h 37m

£652

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 4/5

15:31-06:55

1 stop10h 24m

London Heathrow

Tue 19/5

16:25-19:40

Nonstop8h 15m

£666

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Mon 13/4

15:31-06:55

1 stop10h 24m

London Heathrow

Wed 6/5

16:25-19:40

Nonstop8h 15m

£666

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sat 5/9

19:04-10:00

2 stops33h 56m

London Heathrow

Tue 15/9

08:00-00:43

1 stop21h 43m

£676

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 21/4

12:27-08:50

2 stops15h 23m

London Heathrow

Sun 26/4

11:15-20:17

1 stop14h 02m

£715
Fastest return journey

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 14/8

21:30-09:50

Nonstop7h 20m

London Heathrow

Sat 22/8

14:00-17:15

Nonstop8h 15m

£768

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 9/8

17:32-11:55

1 stop13h 23m

London Heathrow

Thu 13/8

14:10-00:43

1 stop15h 33m

£777

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 20/5

06:15-06:30

2 stops19h 15m

London Heathrow

Mon 25/5

08:00-21:26

1 stop18h 26m

£779

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 12/4

14:38-10:40

2 stops15h 02m

London Heathrow

Sat 9/5

06:15-17:24

2 stops16h 09m

£795

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 3/6

21:30-09:50

Nonstop7h 20m

London Heathrow

Fri 2/10

16:25-19:40

Nonstop8h 15m

£802

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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?

Use this chart to determine the optimal time to book a return flight from Baltimore to Heathrow. Price data was last updated on 13 March 2026.

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 57 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, March is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £23). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £527). 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 29 March 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 29 March 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

Food

6.4

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Boarding

7.5

Food

6.4

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Boarding

7.5

Food

6.4

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

Boarding

7.5

Food

6.4

Crew

7.9

Comfort

7.2

Entertainment

6.9

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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 1 outbound flight 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 24m. 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 £391. Other airlines that can offer you cheap pricing are British Airways, from £447, and American Airlines, from £517. Icelandair is priced at 32% 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 £329. On average you can expect to pay £1,211. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for £525.

  • 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, March is the cheapest month in which you can book a flight from Baltimore to London Heathrow Airport (average of £23). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £527). 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
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Swindon
Bedford

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 29 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£391Average£567FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£447Average£525FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£517Average£728FlexibilityNo 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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