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Cheap flights from Baltimore to London Heathrow Airport from £187

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — LHR
18 Dec — 25 Dec1
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 48 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Find 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 18 November 2025.

Mon 1/1213:51BWI - LHR
1 stop11h 34mVirgin Atlantic
Tue 9/1211:30LHR - BWI
2 stops16h 33mVirgin Atlantic
Deal found 17/11£448
Wed 26/1113:51BWI - LHR
1 stop12h 59mVirgin Atlantic
Wed 3/1206:30LHR - BWI
2 stops15h 54mVirgin Atlantic
Deal found 16/11£449
Fri 5/1219:40BWI - LHR
1 stop10h 10mIcelandair
Mon 8/1220:35LHR - BWI
1 stop27h 05mIcelandair
Deal found 15/11£450
Mon 1/1213:53BWI - LHR
1 stop14h 22mBritish Airways
Wed 14/115:25LHR - BWI
Nonstop8h 20mBritish Airways
Deal found 15/11£451
Wed 26/1119:40BWI - LHR
1 stop10h 10mIcelandair
Tue 2/1220:35LHR - BWI
1 stop27h 05mIcelandair
Deal found 16/11£452
Fri 5/1219:40BWI - LHR
1 stop10h 10mIcelandair
Sun 14/1220:35LHR - BWI
1 stop27h 05mIcelandair
Deal found 16/11£453
Wed 26/1113:51BWI - LHR
1 stop12h 59mDelta
Tue 2/1209:40LHR - BWI
1 stop14h 22mDelta
Deal found 17/11£454
Tue 2/1210:20BWI - LHR
2 stops15h 50mUnited Airlines
Tue 9/1213:25LHR - BWI
2 stops36h 43mUnited Airlines
Deal found 17/11£455
Tue 9/1213:52BWI - LHR
2 stops13h 53mVirgin Atlantic
Fri 9/109:40LHR - BWI
2 stops18h 25mVirgin Atlantic
Deal found 17/11£456
Mon 17/1112:46BWI - LHR
2 stops14h 04mVirgin Atlantic
Tue 25/1115:50LHR - BWI
1 stop13h 36mVirgin Atlantic
Deal found 16/11£457
Thu 11/1219:40BWI - LHR
1 stop10h 10mIcelandair
Mon 22/1220:35LHR - BWI
1 stop27h 05mIcelandair
Deal found 17/11£457
Wed 31/1217:54BWI - LHR
1 stop10h 21mBritish Airways
Wed 14/115:25LHR - BWI
Nonstop8h 20mBritish Airways
Deal found 17/11£458

Cheap 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 18 November 2025.

Round-trip from

£444

One-way from

£187

Popular in

June

Cheapest in

January

Average price

£520
Icelandair
  • Icelandair
  • 1/4-29/4
  • 2 total stops
  • 21h 45m total
  • Baltimore to London
Search Deals
10/12
  • 10/12
  • 2 total stops
  • 41h 20m total
  • Baltimore to London
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£76 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 18 November 2025.
Use the filters below to find and compare flights from Baltimore to London Heathrow Airport that are best for you.

Fly from

Baltimore

Fly to

Heathrow

Route

Depart

Return

Price

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 28/1

20:35-08:40

Nonstop7h 05m

London Heathrow

Tue 17/2

15:25-18:45

Nonstop8h 20m

£447

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 28/1

20:35-08:40

Nonstop7h 05m

London Heathrow

Thu 19/2

15:25-18:45

Nonstop8h 20m

£447

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Wed 10/12

19:50-11:25

1 stop10h 35m

London Heathrow

Thu 18/12

10:45-19:32

1 stop13h 47m

£454

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Tue 9/12

12:19-08:45

2 stops15h 26m

London Heathrow

Thu 18/12

13:00-23:03

1 stop15h 03m

£457

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 25/1

08:45-07:50

1 stop18h 05m

London Heathrow

Mon 2/2

06:30-16:38

2 stops15h 08m

£457

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sun 15/2

13:01-06:25

1 stop12h 24m

London Heathrow

Mon 23/2

11:45-00:39

2 stops17h 54m

£457

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 30/1

11:45-08:45

1 stop16h 00m

London Heathrow

Wed 18/2

10:00-22:55

2 stops17h 55m

£474

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 16/1

16:45-09:00

1 stop11h 15m

London Heathrow

Sat 24/1

11:15-23:05

2 stops16h 50m

£476

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Fri 12/12

20:35-08:40

Nonstop7h 05m

London Heathrow

Fri 23/1

15:25-18:45

Nonstop8h 20m

£479

BaltimoreLondon

BWI - LHR

BWILHR

Baltimore/Washington

Sat 17/1

11:24-06:55

2 stops14h 31m

London Heathrow

Sat 24/1

11:15-23:05

2 stops16h 50m

£479

Flights are sorted by cheapest return flights first.

Deals found on 17/11

Showing 1-10 of 23 results
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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?

Use this chart to determine the optimal time to book a return flight from Baltimore to Heathrow. Price data was last updated on 14 November 2025.

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 48 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 £24). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £565). 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 18 November 2025.

It’s optimal to fly from Baltimore to London Heathrow Airport in the afternoon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at midday.

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 18 November 2025.
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.
American Airlines
7.2
Good
11,049 reviews
Check prices

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
American Airlines
7.2
Good
11,049 reviews
American Airlines
7.2
Good
11,049 reviews
Check prices

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
Icelandair
7.0
Good
580 reviews
American Airlines
7.2
Good
11,049 reviews
Check prices

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.
British Airways
6.7
Okay
7,529 reviews
American Airlines
7.2
Good
11,049 reviews
Check prices

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
4.0
Okay

Cameron,Nov 2025

PDX - LHR

The plane was very old...had no WiFi available. The crew were not friendly nor helpful.

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 7h 05m. 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 £364. Other airlines that can offer you cheap pricing are British Airways, from £457, and American Airlines, from £521. Icelandair is priced at 37% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Baltimore to London Heathrow Airport one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £263. Users have also found prices from £263 and £296 on Iberia and Delta, respectively.

  • 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 (63%), Aer Lingus (63%), Finnair( 63%).

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

    The cheapest flight price from Baltimore to London Heathrow Airport is £279. On average you can expect to pay £1,112. The most popular route, (Baltimore/Washington - London Heathrow), can usually be booked for £361.

  • 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 £24). Flying from Baltimore to London Heathrow Airport in June is currently the most expensive (average of £565). 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
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 18 November 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£364Average£540FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£457Average£607FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£521Average£733FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Heathrow from Baltimore today with Cheapflights!

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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