BWI - LON

$250 Find Cheap Flights from Baltimore to London - Compare and Save

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Everything you should know

Cheapest round-trip
$673
Typical prices: $673-$1,086
Multiple Airlines
Sun 12/9Fri 12/14
BWI - LTN • 1 stop
Cheapest non-stop
$725
Typical prices: $737-$1,131
British Airways
Fri 1/12Thu 1/18
BWI - LHR • Non-stop
Nonstop flights
You can fly direct with British Airways. Average duration is 7h 13m
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 25% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 7 weeks in advance save around 26% 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 $657 (round-trip)
Shortest trip • 11h 40m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from Baltimore to London (BWI-LON)

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

Recent round-trip flight deals from Baltimore to London

Wed, Dec 9 - Mon, Dec 14
Multiple Airlines Logo
7:40 pm - 1:00 pmBWI  Baltimore/Washington-LTN London Luton
12h 20m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
8:00 am - 6:40 pmLTN  London Luton-BWI Baltimore/Washington
15h 40m1 stop Reykjavik Keflavik Intl
$673Multiple Airlines
Tue, Dec 15 - Sun, Jan 3
Icelandair Logo
7:40 pm - 10:55 amBWI  Baltimore/Washington-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 6:40 pmLGW  London Gatwick-BWI Baltimore/Washington
11h 45m1 stop Reykjavik Keflavik Intl
$674Icelandair
Tue, Dec 1 - Sat, Dec 5
Multiple Airlines Logo
7:40 pm - 8:55 pmBWI  Baltimore/Washington-LGW London Gatwick
20h 15m2 stops Reykjavik Keflavik Intl Zurich
Multiple Airlines Logo
6:00 am - 6:40 pmLGW  London Gatwick-BWI Baltimore/Washington
17h 40m2 stops Zurich Reykjavik Keflavik Intl
$674Multiple Airlines
Tue, Dec 15 - Sun, Jan 3
Icelandair Logo
7:40 pm - 10:50 amBWI  Baltimore/Washington-LHR London Heathrow
10h 10m1 stop Reykjavik Keflavik Intl
Icelandair Logo
12:15 pm - 6:40 pmLHR  London Heathrow-BWI Baltimore/Washington
11h 25m1 stop Reykjavik Keflavik Intl
$675Icelandair
Tue, Jan 12 - Mon, Jan 18
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
$725British Airways
Wed, Oct 28 - Thu, Nov 5
British Airways Logo
7:55 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
$726British Airways
Tue, Dec 1 - Tue, Dec 8
Finnair Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
Finnair Logo
1:50 pm - 5:05 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$820Finnair
Sun, Jan 10 - Sat, Jan 16
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
$829Iberia
Tue, Jan 26 - Sat, Jan 30
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
$829Iberia
Mon, Nov 2 - Tue, Nov 10
Finnair Logo
6:55 pm - 7:05 amBWI  Baltimore/Washington-LHR London Heathrow
7h 10mnonstop
Finnair Logo
1:50 pm - 5:05 pmLHR  London Heathrow-BWI Baltimore/Washington
8h 15mnonstop
$844Finnair
Booking Insights

Price, demand and travel trends for Baltimore to London flights

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

What is the cheapest Baltimore to London flight route?

Baltimore (BWI) to London Luton Airport (LTN) is the cheapest Baltimore to London route, averaging $475 round-trip. Other Baltimore to London routes average $684, based on KAYAK data over the past 12 months.

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

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. It’s 5% cheaper than the average day, while Friday is the most expensive, with prices 8% higher.

What’s the cheapest month to fly from Baltimore to London?

•January is the cheapest month to fly from Baltimore to London at $655 round-trip.
•June ($1,224) and July ($1,109) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 86% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Baltimore to London the cheapest?

Flights from Baltimore to London are cheapest 7 weeks before departure. Booking in this window typically costs about 26% 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 London

 
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 flights

Low season

February

Cheapest flight

$246
Beat the crowds with an average 50% drop in travelers.
The most popular month to fly with an average 30% increase in travelers.
One-way flight from Baltimore to London Gatwick Airport

When to book flights from Baltimore to London

Are your dates flexible? Find out the best times to travel from Baltimore to London 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 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?

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

    • Earliest: departs at 6:55 pm and lands at 2:08 am
    • Latest: departs at 9:35 pm and lands at 4:48 am.

    The flight takes about 7h 13m.

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

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

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

    Prices vary by airline.

  • How long is a flight from Baltimore to London?

    A nonstop flight from Baltimore to London takes 7h 13m, covering 3,635 miles.

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

    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 flight?

    Round-trip flights from Baltimore to London range from $673 to $1,086, with an average of $859 over the past 12 months. Anything below $673 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 18% above the $859 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?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $657 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $920 for nonstop.

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

    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.

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

    Evening is the busiest departure period on Baltimore to London 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 looking right now?

    One-way fares from Baltimore to London are currently lower than usual. Average one-way flight prices are about $313, which is 34% below the typical average for this route.

  • What car rental options are available in London?

    Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
    Near London Heathrow Airport (LHR) — daily rates from around $7:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • Hertz

    Near London Gatwick Airport (LGW) — daily rates from around $8:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

    Near London City Airport (LCY) — daily rates from around $11:

    • GREEN MOTION
    • Budget
    • Hertz
    • Avis
    • Sixt

    Near London Luton Airport (LTN) — daily rates from around $11:

    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • Budget

    Near London Stansted Airport (STN) — daily rates from around $10:

    • GREEN MOTION
    • DRIVALIA
    • Europcar
    • Alamo
    • U-Save

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

    Flights from Baltimore to London usually depart from Baltimore/Washington (BWI) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

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

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

    • Reykjavik Keflavik Intl (KEF) - 92% of one-stop connections
    • Charlotte Douglas (CLT) - 3% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 2% of one-stop connections
    • Orlando (MCO) - 2% of one-stop connections

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

    Yes. Flexible dates can save you up to 12% on flights from Baltimore to London. Monday is the cheapest departure day at $824 round-trip on average, while Friday is the most expensive at $935, a difference of $111.

    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?

    Only British Airways operates flights between Baltimore and London.

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

    Flying via Boston Logan Intl (BOS) gives the shortest average 1-stop total travel time at 11h 40m, compared with 11h 51m via Chicago O'Hare Intl (ORD) and 11h 52m via Charlotte Douglas (CLT).

  • What is the time difference between Baltimore and London?

    London is 5 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?

    Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

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

    Among airlines operating Baltimore to London 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 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.

  • Are there any car rental services at LGW?

    Yes, Gatwick Airport (LGW) has car rental services. The desks are in a car rental center outside the terminal building and another location is available at the airport's South Terminal on the lower forecourt on Level 0.

  • Are there accessibility features at LCY?

    Yes, wheelchair assistance is available for travelers with mobility issues and TSA Passenger Support Specialists may provide screening assistance. Elevators provide access to upper floors and the airport also has accessible restrooms.

  • Are there any lounges at LGW?

    Yes, travelers arriving at LGW can access lounges to rest after the flight. Options include No1 Lounges in the North and South Terminals, the Plaza Premium Lounge in the North Terminal, My Lounge, Plaza Express, Club Aspire, Clubrooms and Arrive & Refresh.

Your guide to booking Baltimore to London 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 $824, about $111 less than Friday fares (12% 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 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to London trip for January. Fares historically average $655 round-trip in that month - typically $569 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 $657 round-trip on this route - about $262 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, hotels close to the airport you're flying into can be a convenient option.

    Near London City Airport

    • Good Hotel London
    • Aloft London Excel
    • Novotel London Excel

    Near London Heathrow Airport

    • Hilton London Heathrow Airport

    Near London Gatwick Airport

    • Premier Inn London Gatwick Airport
  • If you're traveling with a nursing baby, use the nursing rooms at Baltimore Washington International Airport (BWI). The airport's Mamava lactation pod offers a private space for breastfeeding or pumping, with units near Gate D4 and in the Children's Play Area within the D/E Connector.
  • If you're arriving at Salt Lake City International Airport (SLC) with a pet or service animal, head to the relief area on the west side of the terminal. After security, you can also use the three relief areas in Concourses A and B at Gates A9, A34 and B20.
  • If you're driving to Baltimore Airport (BWI), use the airport's parking lots and garages. You'll find both long-term and short-term parking at affordable rates and EV charging stations are available for electric vehicles.

Prefer to fly direct from Baltimore to London?

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

Direct departures

Baltimore/Washington to London

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 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 London

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