€328 Cheap Flights Baltimore to London (BWI-LHR)

View €328 flight on Mon, 16 Feb 2026Opens in a new window

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

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Cheap flights from Baltimore to London (BWI-LHR)

Prices were available within the past 7 days and start at €328 for one-way flights and €444 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Sun, 15 Feb - Tue, 24 Feb
BWI
Baltimore
LHR
London
€444 Return, found 5 days ago
€444
Return
found 5 days ago
Select Icelandair flight, departing Sun, 15 Feb from Baltimore to London, returning Tue, 24 Feb, priced at €444 found 5 days ago
Icelandair
Sun, 11 Jan - Tue, 20 Jan
BWI
Baltimore
LHR
London
€445 Return, found 19 hours ago
€445
Return
found 19 hours ago
Select Icelandair flight, departing Sun, 11 Jan from Baltimore to London, returning Tue, 20 Jan, priced at €445 found 19 hours ago
United
Sun, 11 Jan - Tue, 20 Jan
BWI
Baltimore
LHR
London
€529 Return, found 19 hours ago
€529
Return
found 19 hours ago
Select United flight, departing Sun, 11 Jan from Baltimore to London, returning Tue, 20 Jan, priced at €529 found 19 hours ago
British Airways
Sun, 11 Jan - Tue, 20 Jan
BWI
Baltimore
LHR
London
€541 Return, found 19 hours ago
€541
Return
found 19 hours ago
Select British Airways flight, departing Sun, 11 Jan from Baltimore to London, returning Tue, 20 Jan, priced at €541 found 19 hours ago
British Airways
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
€548 Return, found 2 days ago
€548
Return
found 2 days ago
Select British Airways flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at €548 found 2 days ago
American Airlines
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
€548 Return, found 2 days ago
€548
Return
found 2 days ago
Select American Airlines flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at €548 found 2 days ago
Delta
Sun, 15 Feb - Tue, 24 Feb
BWI
Baltimore
LHR
London
€552 Return, found 5 days ago
€552
Return
found 5 days ago
Select Delta flight, departing Sun, 15 Feb from Baltimore to London, returning Tue, 24 Feb, priced at €552 found 5 days ago
Virgin Atlantic
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
€552 Return, found 2 days ago
€552
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at €552 found 2 days ago
United
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
€552 Return, found 2 days ago
€552
Return
found 2 days ago
Select United flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at €552 found 2 days ago
Delta
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
€552 Return, found 2 days ago
€552
Return
found 2 days ago
Select Delta flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at €552 found 2 days ago

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

February is typically the cheapest month to fly

From €435 - €839 per traveller.
Baltimore to London route information
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, United, Virgin Atlantic
Return price
€443
Distance
5799 km
Average flight time
7 hours 5 mins

Perfect flights from Baltimore to London

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Picture yourself strolling through the streets of , 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 €328 and roundtrip prices from €444. 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 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 to 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 €444. 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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