฿9,600 Cheap Flights from Baltimore (BWI) to London (LHR)

View ฿9,600 flight on Wed, 23 Jul 2025Opens in a new window

Popular airlines from Baltimore Washington International Airport (BWI) to Heathrow Airport (LHR)

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Cheap Flights from Baltimore (BWI) to London (LHR)

Prices were available within the past 7 days and start at ฿9,600 for one-way flights and ฿23,415 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Thu, 4 Dec - Thu, 11 Dec
BWI
Baltimore
LHR
London
฿23,415 Return, found 1 day ago
฿23,415
Return
found 1 day ago
Select British Airways flight, departing Thu, 4 Dec from Baltimore to London, returning Thu, 11 Dec, priced at ฿23,415 found 1 day ago
Delta
Tue, 23 Dec - Fri, 2 Jan
BWI
Baltimore
LHR
London
฿28,310 Return, found 1 hour ago
฿28,310
Return
found 1 hour ago
Select Delta flight, departing Tue, 23 Dec from Baltimore to London, returning Fri, 2 Jan, priced at ฿28,310 found 1 hour ago
American Airlines
Thu, 4 Dec - Thu, 11 Dec
BWI
Baltimore
LHR
London
฿29,050 Return, found 1 day ago
฿29,050
Return
found 1 day ago
Select American Airlines flight, departing Thu, 4 Dec from Baltimore to London, returning Thu, 11 Dec, priced at ฿29,050 found 1 day ago
Delta
Tue, 23 Dec - Fri, 2 Jan
BWI
Baltimore
LHR
London
฿29,165 Return, found 1 hour ago
฿29,165
Return
found 1 hour ago
Select Delta flight, departing Tue, 23 Dec from Baltimore to London, returning Fri, 2 Jan, priced at ฿29,165 found 1 hour ago
British Airways
Thu, 4 Dec - Thu, 11 Dec
BWI
Baltimore
LHR
London
฿29,510 Return, found 1 day ago
฿29,510
Return
found 1 day ago
Select British Airways flight, departing Thu, 4 Dec from Baltimore to London, returning Thu, 11 Dec, priced at ฿29,510 found 1 day ago
Icelandair
Tue, 23 Dec - Fri, 2 Jan
BWI
Baltimore
LHR
London
฿29,760 Return, found 1 hour ago
฿29,760
Return
found 1 hour ago
Select Icelandair flight, departing Tue, 23 Dec from Baltimore to London, returning Fri, 2 Jan, priced at ฿29,760 found 1 hour ago
Delta
Tue, 23 Dec - Fri, 2 Jan
BWI
Baltimore
LHR
London
฿29,950 Return, found 1 hour ago
฿29,950
Return
found 1 hour ago
Select Delta flight, departing Tue, 23 Dec from Baltimore to London, returning Fri, 2 Jan, priced at ฿29,950 found 1 hour ago
British Airways
Thu, 4 Dec - Thu, 11 Dec
BWI
Baltimore
LHR
London
฿29,970 Return, found 1 day ago
฿29,970
Return
found 1 day ago
Select British Airways flight, departing Thu, 4 Dec from Baltimore to London, returning Thu, 11 Dec, priced at ฿29,970 found 1 day ago
Delta
Tue, 23 Dec - Fri, 2 Jan
BWI
Baltimore
LHR
London
฿30,805 Return, found 1 hour ago
฿30,805
Return
found 1 hour ago
Select Delta flight, departing Tue, 23 Dec from Baltimore to London, returning Fri, 2 Jan, priced at ฿30,805 found 1 hour ago
Finnair
Thu, 4 Dec - Thu, 11 Dec
BWI
Baltimore
LHR
London
฿30,840 Return, found 1 day ago
฿30,840
Return
found 1 day ago
Select Finnair flight, departing Thu, 4 Dec from Baltimore to London, returning Thu, 11 Dec, priced at ฿30,840 found 1 day ago

Find the cheapest month to fly from Baltimore (BWI) to London (LHR)

February is typically the cheapest month to fly

From ฿16,485 - ฿30,621 per traveller.

Graph displaying average flight prices per month

Flight from Baltimore to London route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Heathrow
Return price
฿23,415
Distance
5799 km
Average flight time
7 hours 30 mins

Perfect flights from Baltimore to London

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Baltimore to London. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of London, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Baltimore Washington Intl. Thurgood Marshall to Heathrow ticket options cater to your travel preferences, with incredible one-way fares from ฿9,600 and roundtrip prices from ฿23,415. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Heathrow and explore London and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your BWI to LHR travel arrangements today and embark on the journey of a lifetime in London.

Frequently asked questions

How much is a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to LHR?
Start packing your bags, because round-trip flights between BWI Airport and Heathrow Airport start from ฿23,415. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BWI Marshall to Heathrow Airport?
Most flights can be cancelled online, but every air carrier has different terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from BWI to LHR that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BWI to Heathrow Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport?
With a flight distance of 5,800 kilometres between Baltimore and Hounslow, this is a long trip. Be sure to keep well hydrated and take a short walk down the aisle from time to time.
Which airlines fly direct from BWI to Heathrow Airport?
Flying straight from BWI Marshall to LHR is a cinch with British Airways (BA). This popular airline offers 21 flights each month.
Are BWI Airport to Heathrow Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to LHR at the last minute could be your ticket to a fantastic deal. However, it could end up costing a great deal more! If you'd rather play it safe, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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