$384 Cheap British Airways flights Baltimore (BWI) to London (LHR)

View $384 flight on Wed, Oct 1, 2025Opens in a new window

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$384 Cheap British Airways flights Baltimore (BWI) to London (LHR)

Prices were available within the past 7 days and start at $384 for one-way flights and $515 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, May 3 - Wed, May 13
BWI
Baltimore
LHR
London
$515 Roundtrip, found 3 days ago
$515
Roundtrip
found 3 days ago
Select British Airways flight, departing Sun, May 3 from Baltimore to London, returning Wed, May 13, priced at $515 found 3 days ago
British Airways
Tue, Mar 31 - Fri, Apr 10
BWI
Baltimore
LHR
London
$525 Roundtrip, found 1 day ago
$525
Roundtrip
found 1 day ago
Select British Airways flight, departing Tue, Mar 31 from Baltimore to London, returning Fri, Apr 10, priced at $525 found 1 day ago
Flights from Baltimore (BWI) to London (LHR)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Scandinavian Airlines, United, Virgin Atlantic
Popular airline
British Airways
Distance
3624 mi
Average flight time
7 hours 15 mins

Frequently asked questions

How much is a British Airways flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR)?
Landing cheap one-way British Airways flights from BWI to LHR from $384 on Expedia couldn't be simpler — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $515 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BWI to LHR with British Airways?
Browse for one-way or round-trip flights to London in January or February. You could find a cheap fare with British Airways during these off-peak times.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR) with British Airways?
To discover cheap flights from BWI to LHR with British Airways, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Want another tip? Booking on Sunday can lead to average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR)?
British Airways has direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR), with 6 departures each week. Just choose the "Nonstop" and "Airline" filters while searching on Expedia to see all direct British Airways flights to LHR.
How long does it take to fly from BWI to LHR with British Airways?
It takes around 7h 10m to fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR) with British Airways.
What is the earliest British Airways flight from BWI to LHR?
The earliest British Airways flight from BWI to LHR takes off at 8:30PM UTC-5, arriving at 8:40AM UTC+0. If you prefer to jet off later in the day, the last British Airways flight leaves BWI at 8:30PM UTC-5 and lands at LHR at 8:40AM UTC+0. Flying earlier is generally a good idea as morning and mid-morning flights are 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in London?
Heathrow Airport (LHR) is the main London hub for British Airways flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What kind of luggage can I take on a British Airways flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR)?
On a standard economy flight with British Airways from BWI to LHR, you can bring 1 checked-in bag up to 50 lb with dimensions no larger than 29 inches x 15 inches x 16 inches in total. For hand luggage, you're permitted 2 cabin bags weighing up to 50 lb and measuring less than 19 inches x 9 inches x 17 inches. Weight and size allowances may vary depending on your airfare type and cabin class. To make sure you won't face extra fees at the terminal, check your British Airways booking or look up the airline's website before you start packing.
Why fly with British Airways from BWI to LHR?
British Airways makes traveling from BWI to LHR more enjoyable with a 4-star airline rating and top-tier customer service. You even have the chance to collect points with British Airways Executive Club. Remember to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does British Airways fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR)?
Chances are you'll catch a Boeing 777 for your British Airways flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR). However, you may end up on an alternative aircraft for operational reasons.
Can I change or cancel my British Airways flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR)?
It's usually possible to change or cancel your flight, although additional charges may apply if you booked over 24 hours ago. Want to keep your options open? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you need to alter your plans. To update your booking, visit "Trips," select your flight and click on "Manage Booking" for more details.

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