BWI - LHR

$268 Find Cheap Flights from Baltimore to London Heathrow Airport - Compare and Save

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Everything you should know

Cheapest round-trip
$691
Typical prices: $733-$1,126
Icelandair
Sat 2/10Thu 2/15
BWI - LHR • 1 stop
Cheapest non-stop
$736
Typical prices: $799-$1,165
British Airways
Tue 1/9Tue 1/16
BWI - LHR • Non-stop
Nonstop flights
You can fly direct with British Airways. Average duration is 7h 10m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 21% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 24% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $694 (round-trip)
Shortest trip • 11h 33m (one-way)
Insights
Insights
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We hope you love 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 round-trip flight deals from Baltimore to Heathrow

Wed, Feb 10 - Mon, Feb 15
Icelandair Logo
7:40 pm - 7:30 pmBWI  Baltimore/Washington-LHR London Heathrow
18h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:35 pm - 6:40 pmLHR  London Heathrow-BWI Baltimore/Washington
27h 05m1 stop Reykjavik Keflavik Intl
$691Icelandair
Mon, Nov 30 - Sun, Jan 10
Icelandair Logo
7:40 pm - 10:50 amBWI  Baltimore/Washington-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:35 pm - 6:40 pmLHR  London Heathrow-BWI Baltimore/Washington
27h 05m1 stop Reykjavik Keflavik Intl
$691Icelandair
Mon, Nov 16 - Mon, Nov 23
Multiple Airlines Logo
7:40 pm - 5:00 pmBWI  Baltimore/Washington-LHR London Heathrow
16h 20m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
Multiple Airlines Logo
6:40 am - 6:40 pmLHR  London Heathrow-BWI Baltimore/Washington
17h 00m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$692Multiple Airlines
Sat, Nov 14 - Wed, Nov 18
Multiple Airlines Logo
7:40 pm - 9:20 pmBWI  Baltimore/Washington-LHR London Heathrow
20h 40m2 stops Reykjavik Keflavik Intl Stockholm Arlanda
Multiple Airlines Logo
6:40 am - 6:40 pmLHR  London Heathrow-BWI Baltimore/Washington
17h 00m2 stops Stockholm Arlanda Reykjavik Keflavik Intl
$705Multiple Airlines
Sat, Jan 9 - Sat, Jan 16
British Airways Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
British Airways Logo
1:50 pm - 5:05 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$736British Airways
Mon, Mar 1 - Thu, Mar 4
United Airlines Logo
5:30 pm - 10:05 amBWI  Baltimore/Washington-LHR London Heathrow
35h 35m2 stops Chicago O'Hare Intl Brussels Bruxelles-National
United Airlines Logo
9:00 am - 8:59 pmLHR  London Heathrow-BWI Baltimore/Washington
16h 59m2 stops Zurich Chicago O'Hare Intl
$759United Airlines
Thu, Dec 10 - Sun, Dec 13
British Airways Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
British Airways Logo
1:50 pm - 5:05 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$762British Airways
Mon, Feb 22 - Thu, Feb 25
United Airlines Logo
5:30 pm - 7:55 amBWI  Baltimore/Washington-LHR London Heathrow
33h 25m1 stop Chicago O'Hare Intl
United Airlines Logo
6:50 am - 9:32 pmLHR  London Heathrow-BWI Baltimore/Washington
19h 42m2 stops Brussels Bruxelles-National Chicago O'Hare Intl
$762United Airlines
Mon, Mar 1 - Tue, Mar 30
Iberia Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
Iberia Logo
1:30 pm - 4:45 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$865Iberia
Mon, Feb 22 - Thu, Feb 25
Iberia Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
Iberia Logo
1:50 pm - 5:05 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$877Iberia
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 round-trip flight from Baltimore to London Heathrow Airport?

Round-trip flights from Baltimore to London Heathrow Airport typically range from $733 to $1,126. The lowest price found in the past 5 days was $691, on Icelandair.

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’s 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 $698 round-trip.
•June ($1,240) and July ($1,130) 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.

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
Duncan Madden

Duncan Madden

Expert on British Airways and LHR

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.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and BWI

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Key details for Baltimore to London Heathrow Airport flights

Low season

February

Cheapest flight

$268
Beat the crowds with an average 39% drop in travelers.
The most popular month to fly with an average 31% increase in travelers.
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 round-trip 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 6:55 pm and lands at 2:05 am
    • Latest: departs at 7:55 pm and lands at 3:05 am.

    The flight takes about 7h 10m.

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

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

    A nonstop 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?

    Round-trip flights from Baltimore to London Heathrow Airport range from $733 to $1,126, with an average of $917 over the past 12 months. Anything below $733 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 $917 route average. Book 7 weeks before departure for the lowest fares.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $694 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $964 for nonstop.

  • 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 $70–$100 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% of flights 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 $303, which is 41% below the typical average for this route.

  • What car rental options are available at London Heathrow Airport (LHR)?

    London Heathrow Airport (LHR) hosts 5 major car rental companies, with daily rates averaging $39 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 $850 round-trip on average, while Friday is the most expensive at $973, a difference of $123.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What 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 layover airport from Baltimore to London Heathrow Airport?

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time at 11h 33m, compared with 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 and Buckingham Palace. 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

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

  • What is the best mode of transport to the city center from London Heathrow Airport (LHR)?

    The Heathrow Express is the most efficient method of transportation between Heathrow Airport (LHR) and the city center of London. Trains that do not stop at any stations on the route to Paddington depart Terminals 2 and 3 every 15min.

  • Are there rental cars at Heathrow Airport (LHR)?

    Heathrow Airport (LHR) is a convenient location to hire a vehicle, making it an attractive option for those searching for a sports car or passenger van. The car rental agencies at Heathrow provide customers with a diverse selection of automobiles, including economy, full-size, premium, and luxury models. Desks for renting automobiles may be found in the arrivals area.

  • Can you stay overnight at the Baltimore/Washington International Thurgood Marshall Airport (BWI)?

    There is a large selection of comfy chairs as well as quiet corners scattered all across the airport that are ideal for napping. Concourses D and E include a large number of cushioned seats, thin sofas, and quiet spaces, whereas Concourse C has some chairs without armrests.

  • What is the best arrival time for passengers at Baltimore/Washington International Thurgood Marshall Airport (BWI)?

    The Transportation Security Administration (TSA) advises passengers to check-in at the airport at least 2h before their planned domestic flights and 3h before their scheduled international flights. You can visit the website of the Transportation Security Administration (TSA), which contains both additional information and travel suggestions.

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 $850, about $123 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 $698 round-trip in that month - typically $542 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 layover option averages $694 round-trip on this route - about $270 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
  • If you’d like to relax in a lounge while you wait for your flight at Baltimore-Washington International Airport (BWI), the Club BWI is a shared-use lounge that offers a personalized experience at an affordable fee to all passengers, regardless of the class of ticket booked, choice of airline, or affinity membership.
  • Traveling women who breastfeed or use a breast pump may use the Mamava lactation pod available at Baltimore Washington International Airport (BWI). In addition, breastfeeding is permitted anywhere within the airport without being subject to any limitations.
  • At Baltimore-Washington International Airport (BWI), there are designated locations for pets to relieve themselves. At the Baltimore airport, there are four different spots for pets to relieve themselves, two of which are outdoors and two of which are inside guarded facilities. There is a pre-security and post-security options available in each Concourse.
  • Getting your foreign currency after arriving at Heathrow Airport (LHR) and purchasing it may sometimes be the costliest method to acquire it. However, if you are proactive and purchase it online with one of the companies providing an exchange service at the airport beforehand, you can save this expense. At Heathrow, there are around 30 kiosks, desks, and collection stations that are operated by Travelex. These are spread across the operational terminals.
  • Within each of the BWI terminals, there are spaces designated especially for passengers needing help, and they may be found at the following locations: Terminal 2 behind Zone C and in front of the Departures Level security checkpoint (near security). Travelers requiring a wheelchair at the airport should contact their airline in advance.

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 rental