BWI - LHR

£206 Find Cheap Flights from Baltimore to London Heathrow Airport – Compare and Save

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Everything you should know

Cheapest return flight
£526
Typical prices: £547-£841
British Airways
Sun 21/1Fri 26/1
BWI - LHR • Direct
Cheapest one-way flight
£206
Typical prices: £318-£469
Multiple Airlines
Thu 11/1
BWI - LHR • 2 stops
Direct flights
Every day
You can fly direct with British Airways. Average duration is 7h 10m
Direct flights
+1
Direct flights
+1
When to book
7 weeks
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 24% price drop
July
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Atlanta Hartsfield-Jackson (ATL)
Cheapest • Avg £519 (return)
Boston Logan Intl (BOS)
Shortest trip • 11h 33m (one-way)
Insights
Insights
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We hope you enjoy your trip to London Heathrow Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Baltimore to Heathrow (BWI-LHR)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Baltimore to Heathrow

Thu, 21 Jan - Tue, 26 Jan
British Airways Logo
18:55 - 07:05BWI  Baltimore/Washington-LHR London Heathrow
7h 10mdirect
British Airways Logo
13:50 - 17:05LHR  London Heathrow-BWI Baltimore/Washington
8h 15mdirect
£526British Airways
Tue, 8 Dec - Tue, 15 Dec
Multiple Airlines Logo
19:40 - 16:50BWI  Baltimore/Washington-LHR London Heathrow
16h 10m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:50 - 18:40LHR  London Heathrow-BWI Baltimore/Washington
14h 50m2 stops Dublin Reykjavik Keflavik Intl
£526Multiple Airlines
Mon, 1 Feb - Mon, 8 Feb
Icelandair Logo
19:40 - 10:50BWI  Baltimore/Washington-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:35 - 18:40LHR  London Heathrow-BWI Baltimore/Washington
27h 05m1 stop Reykjavik Keflavik Intl
£528Icelandair
Mon, 22 Feb - Mon, 1 Mar
Icelandair Logo
19:40 - 10:50BWI  Baltimore/Washington-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:35 - 18:40LHR  London Heathrow-BWI Baltimore/Washington
27h 05m1 stop Reykjavik Keflavik Intl
£528Icelandair
Thu, 4 Feb - Sun, 14 Feb
Icelandair Logo
19:40 - 10:50BWI  Baltimore/Washington-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
20:35 - 18:40LHR  London Heathrow-BWI Baltimore/Washington
27h 05m1 stop Reykjavik Keflavik Intl
£533Icelandair
Thu, 4 Mar - Thu, 11 Mar
British Airways Logo
18:55 - 07:05BWI  Baltimore/Washington-LHR London Heathrow
7h 10mdirect
British Airways Logo
13:50 - 17:05LHR  London Heathrow-BWI Baltimore/Washington
8h 15mdirect
£541British Airways
Thu, 19 Nov - Wed, 25 Nov
British Airways Logo
18:55 - 07:05BWI  Baltimore/Washington-LHR London Heathrow
7h 10mdirect
British Airways Logo
13:50 - 17:05LHR  London Heathrow-BWI Baltimore/Washington
8h 15mdirect
£546British Airways
Fri, 5 Feb - Thu, 11 Feb
British Airways Logo
18:55 - 07:05BWI  Baltimore/Washington-LHR London Heathrow
7h 10mdirect
British Airways Logo
13:50 - 17:05LHR  London Heathrow-BWI Baltimore/Washington
8h 15mdirect
£548British Airways
Mon, 7 Dec - Mon, 14 Dec
Multiple Airlines Logo
19:40 - 15:35BWI  Baltimore/Washington-LHR London Heathrow
14h 55m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
08:50 - 18:40LHR  London Heathrow-BWI Baltimore/Washington
14h 50m2 stops Dublin Reykjavik Keflavik Intl
£550Multiple Airlines
Mon, 29 Mar - Wed, 7 Apr
Multiple Airlines Logo
18:40 - 07:00BWI  Baltimore/Washington-LHR London Heathrow
7h 20mdirect
Multiple Airlines Logo
13:05 - 19:25LHR  London Heathrow-BWI Baltimore/Washington
11h 20m1 stop Reykjavik Keflavik Intl
£552Multiple Airlines
Booking Insights

Price, demand, and travel trends for Baltimore to London Heathrow Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Baltimore to London Heathrow Airport?

Return flights from Baltimore to London Heathrow Airport typically range from £547 to £841. The lowest price found in the past 5 days was £526 on British Airways.

What's the cheapest day of the week to fly from Baltimore to London Heathrow Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Baltimore to London Heathrow Airport. It’s 8% cheaper than the average day, while Friday is the most expensive, with prices 6% higher.

What is the cheapest month to fly from Baltimore to London Heathrow Airport?

•January is the cheapest month to fly from Baltimore to London Heathrow Airport at £522 return.
•June (£927) and July (£844) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 77% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Baltimore to London Heathrow Airport the cheapest?

Flights from Baltimore to London Heathrow Airport are cheapest 7 weeks before departure. Booking in this window typically costs about 21% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Expert advice

Expert advice for your flight from Baltimore to Heathrow

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Gabriel Leigh

Gabriel Leigh

Expert on Finnair

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Marisa Garcia

Marisa Garcia

Expert on Iberia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Read more
Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Read more

Key details for Baltimore to London Heathrow Airport flights

Low season

February

Cheapest flight

£206
Beat the crowds with an average 39% drop in traveller numbers.
The most popular month to fly with an average 31% increase in traveller numbers.
One-way flight from Baltimore to London Heathrow Airport

When to book flights from Baltimore to Heathrow

Are your dates flexible? Find out the best times to travel from Baltimore to Heathrow based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Baltimore to London Heathrow Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Baltimore to London Heathrow Airport?

    These are the earliest and latest flight times available from Baltimore to London Heathrow Airport:

    • Earliest: departs at 18:55 and lands at 02:05
    • Latest: departs at 19:55 and lands at 03:05.

    The flight takes about 7h 10m.

  • Which cabin classes can I book on flights from Baltimore to London Heathrow Airport?

    Two cabin classes are available on flights from Baltimore to London Heathrow Airport:

    • Economy class
    • Business Class

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

    A direct flight from Baltimore to London Heathrow Airport takes 7h 10m, covering 3,622 miles.

  • Do I need a passport to fly from Baltimore to London Heathrow Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Baltimore to London Heathrow Airport flight?

    Return flights from Baltimore to London Heathrow Airport range from £547 to £841, with an average of £685 over the past 12 months. Anything below £547 counts as a good deal.

  • How expensive are last-minute Baltimore to London Heathrow Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 16% above the £685 route average. Book 7 weeks before departure for the lowest fares.

  • How much can I save by having a stopover when flying from Baltimore to London Heathrow Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £519 return via Atlanta Hartsfield-Jackson (ATL), compared with £721 for direct.

  • What is the standard checked bag allowance on flights from Baltimore to London Heathrow Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge £52–£75 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Baltimore to London Heathrow Airport?

    The Boeing 777 family is used most often on this route, operated mainly by British Airways and Iberia. Other aircraft seen on the route include Boeing 787-10 Dreamliner variants.

  • How are flight departures from Baltimore to London Heathrow Airport spread across the day?

    Evening is the busiest departure period on Baltimore to London Heathrow Airport flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Night flights for 0%.

  • How are flight prices from Baltimore to London Heathrow Airport looking right now?

    One-way fares from Baltimore to London Heathrow Airport are currently lower than usual. Average one-way flight prices are about £231, which is 39% below the typical average for this route.

  • Which car hire options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car hire companies, with daily rates starting from around £5 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

  • Which airports can I use when flying from Baltimore to London Heathrow Airport?

    Flights from Baltimore to London Heathrow Airport usually depart from Baltimore/Washington (BWI) and arrive at London Heathrow (LHR).

  • Which airports do connecting flights from Baltimore to London Heathrow Airport pass through?

    One-stop flights from Baltimore to London Heathrow Airport most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) – 91% of one-stop connections
    • Charlotte Douglas (CLT) – 4% of one-stop connections
    • Boston Logan Intl (BOS) – 2% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) – 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Baltimore to London Heathrow Airport?

    Yes. Flexible dates can save you up to 13% on flights from Baltimore to London Heathrow Airport. Monday is the cheapest departure day at £635 return on average, while Friday is the most expensive at £727, a difference of £92.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Baltimore to London Heathrow Airport?

    Only British Airways operates flights between Baltimore and London Heathrow Airport.

  • How much time can I save by choosing a different stopover airport from Baltimore to London Heathrow Airport?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time of 11h 33m, compared to 11h 51m via Chicago O'Hare Intl (ORD) and 11h 55m via Charlotte Douglas (CLT).

  • What is the time difference between Baltimore and London Heathrow Airport?

    London Heathrow Airport is 4 hours ahead of Baltimore (British Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in London Heathrow Airport?

    Some of the most popular sights in London Heathrow Airport are Hyde Park, Tower Bridge, and Royal Albert Hall. These are among the most viewed places in London Heathrow Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Baltimore to London Heathrow Airport flights?

    Among airlines operating Baltimore to London Heathrow Airport flights:

    • British Airways: offers extra legroom
    • American Airlines: offers free seat selection
    • Iberia: offers free seat selection
    • Finnair: offers free seat selection
    • Aer Lingus: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Baltimore to London Heathrow Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • British Airways: a cabin bag and a checked bag in Economy class
    • American Airlines: a cabin bag and a checked bag in Economy class
    • Iberia: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Baltimore to London Heathrow Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Friday. On this route, Monday flights average £635, about £92 less than Friday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 21% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to London Heathrow Airport trip for January. Fares historically average £522 return in that month – typically £405 less than the most expensive month, which is June (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Atlanta Hartsfield-Jackson Airport (ATL) can be cheaper than flying direct. The cheapest stopover option averages £519 return on this route – about £202 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to London Heathrow Airport.

    • Hilton London Heathrow Airport

Prefer to fly direct from Baltimore to London Heathrow Airport?

 
Find which airlines fly direct from Baltimore/Washington Airport to London Heathrow Airport, which days they fly and book direct flights.

Direct departures

Baltimore/Washington to London Heathrow

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

Direct returns

London Heathrow to Baltimore/Washington

Monday

British Airways

British Airways

Tuesday

British Airways

British Airways

Wednesday

British Airways

British Airways

Thursday

British Airways

British Airways

Friday

British Airways

British Airways

Saturday

British Airways

British Airways

Sunday

British Airways

British Airways

See more direct flights

More options for your flight from Baltimore to Heathrow

Complete your trip to London with a hotel stay or car hire

Car hire in London
Hotels in London
Holidays in London