€330 Cheap Flights Baltimore to London (BWI-LHR)

View €330 flight on Wed, 31 Dec 2025Opens 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 €330 for one-way flights and €545 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 10 Sep - Wed, 17 Sep
BWI
Baltimore
LHR
London
€545 Return, found 6 days ago
€545
Return
found 6 days ago
Select American Airlines flight, departing Wed, 10 Sep from Baltimore to London, returning Wed, 17 Sep, priced at €545 found 6 days ago
British Airways
Sun, 21 Sep - Tue, 30 Sep
BWI
Baltimore
LHR
London
€547 Return, found 3 days ago
€547
Return
found 3 days ago
Select British Airways flight, departing Sun, 21 Sep from Baltimore to London, returning Tue, 30 Sep, priced at €547 found 3 days ago
Virgin Atlantic
Wed, 10 Sep - Wed, 17 Sep
BWI
Baltimore
LHR
London
€550 Return, found 6 days ago
€550
Return
found 6 days ago
Select Virgin Atlantic flight, departing Wed, 10 Sep from Baltimore to London, returning Wed, 17 Sep, priced at €550 found 6 days ago
United
Wed, 10 Sep - Wed, 17 Sep
BWI
Baltimore
LHR
London
€550 Return, found 6 days ago
€550
Return
found 6 days ago
Select United flight, departing Wed, 10 Sep from Baltimore to London, returning Wed, 17 Sep, priced at €550 found 6 days ago
Delta
Wed, 10 Sep - Wed, 17 Sep
BWI
Baltimore
LHR
London
€550 Return, found 6 days ago
€550
Return
found 6 days ago
Select Delta flight, departing Wed, 10 Sep from Baltimore to London, returning Wed, 17 Sep, priced at €550 found 6 days ago
United
Sun, 21 Sep - Tue, 30 Sep
BWI
Baltimore
LHR
London
€557 Return, found 3 days ago
€557
Return
found 3 days ago
Select United flight, departing Sun, 21 Sep from Baltimore to London, returning Tue, 30 Sep, priced at €557 found 3 days ago
KLM
Wed, 10 Sep - Wed, 17 Sep
BWI
Baltimore
LHR
London
€572 Return, found 6 days ago
€572
Return
found 6 days ago
Select KLM flight, departing Wed, 10 Sep from Baltimore to London, returning Wed, 17 Sep, priced at €572 found 6 days ago
Virgin Atlantic
Sun, 21 Sep - Tue, 30 Sep
BWI
Baltimore
LHR
London
€579 Return, found 3 days ago
€579
Return
found 3 days ago
Select Virgin Atlantic flight, departing Sun, 21 Sep from Baltimore to London, returning Tue, 30 Sep, priced at €579 found 3 days ago
United
Fri, 19 Sep - Thu, 25 Sep
BWI
Baltimore
LHR
London
€585 Return, found 4 days ago
€585
Return
found 4 days ago
Select United flight, departing Fri, 19 Sep from Baltimore to London, returning Thu, 25 Sep, priced at €585 found 4 days ago
British Airways
Fri, 26 Sep - Tue, 30 Sep
BWI
Baltimore
LHR
London
€588 Return, found 6 days ago
€588
Return
found 6 days ago
Select British Airways flight, departing Fri, 26 Sep from Baltimore to London, returning Tue, 30 Sep, priced at €588 found 6 days ago

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

February is typically the cheapest month to fly

From €434 - €810 per traveller.

Graph displaying average flight prices per month

Baltimore to London route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Heathrow
Airlines serving
Aer Lingus, American Airlines, British Airways, Finnair, Iberia, Icelandair
Return price
€544
Distance
5799 km
Average flight time
7 hours 15 mins

Perfect flights from Baltimore to London

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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 €330 and roundtrip prices from €545. 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 €545. 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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