S$492 Cheap Flights from Baltimore to London

View S$492 flight on Mon, 6 Oct, 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 S$492 for one-way flights and S$670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$670 Return, found 2 days ago
S$670
Return
found 2 days ago
Select Delta flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$670 found 2 days ago
Virgin Atlantic
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$670 Return, found 2 days ago
S$670
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$670 found 2 days ago
Delta
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$703 Return, found 2 days ago
S$703
Return
found 2 days ago
Select Delta flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$703 found 2 days ago
Virgin Atlantic
Wed, 30 Jul - Fri, 8 Aug
BWI
Baltimore
LHR
London
S$713 Return, found 5 days ago
S$713
Return
found 5 days ago
Select Virgin Atlantic flight, departing Wed, 30 Jul from Baltimore to London, returning Fri, 8 Aug, priced at S$713 found 5 days ago
Delta
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$780 Return, found 2 days ago
S$780
Return
found 2 days ago
Select Delta flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$780 found 2 days ago
Delta
Thu, 28 Aug - Thu, 4 Sep
BWI
Baltimore
LHR
London
S$790 Return, found 5 days ago
S$790
Return
found 5 days ago
Select Delta flight, departing Thu, 28 Aug from Baltimore to London, returning Thu, 4 Sep, priced at S$790 found 5 days ago
KLM
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$813 Return, found 2 days ago
S$813
Return
found 2 days ago
Select KLM flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$813 found 2 days ago
United
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$824 Return, found 2 days ago
S$824
Return
found 2 days ago
Select United flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$824 found 2 days ago
Virgin Atlantic
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
LHR
London
S$843 Return, found 2 days ago
S$843
Return
found 2 days ago
Select Virgin Atlantic flight, departing Sun, 10 Aug from Baltimore to London, returning Tue, 19 Aug, priced at S$843 found 2 days ago
British Airways
Wed, 27 Aug - Wed, 3 Sep
BWI
Baltimore
LHR
London
S$853 Return, found 6 days ago
S$853
Return
found 6 days ago
Select British Airways flight, departing Wed, 27 Aug from Baltimore to London, returning Wed, 3 Sep, priced at S$853 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 S$650 - S$1,208 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
Air France, American Airlines, British Airways, Delta, KLM, United, Virgin Atlantic
Return price
S$669
Distance
5799 km
Average flight time
7 hours 30 mins

Perfect flights from Baltimore to London

Your Journey from Baltimore to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Baltimore to London caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including United, Delta, Virgin Atlantic, British Airways, KLM. Our selection of flights from Baltimore Washington Intl. Thurgood Marshall to Heathrow caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Baltimore to London Flights

Experience the joy of finding cheap flights from Baltimore Washington Intl. Thurgood Marshall to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$492 and roundtrip prices from S$670*.
 

Pre-Flight Essentials

Ensure a smooth journey from Baltimore to London with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant London

Picture yourself stepping off the plane in London and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Baltimore to London Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Baltimore to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Baltimore to London with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Baltimore to London with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$670. 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.

Explore a world of travel with Expedia

Baltimore Airports

Washington

Washington Dulles Intl. to London
S$652.50
*Available to Expedia members.