S$481 Cheap Flights from Baltimore to London

View S$481 flight on Sun, 18 Jan, 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 S$481 for one-way flights and S$799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$799 Return, found 15 hours ago
S$799
Return
found 15 hours ago
Select British Airways flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$799 found 15 hours ago
American Airlines
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$806 Return, found 15 hours ago
S$806
Return
found 15 hours ago
Select American Airlines flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$806 found 15 hours ago
United
Mon, 27 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$821 Return, found 1 day ago
S$821
Return
found 1 day ago
Select United flight, departing Mon, 27 Apr from Baltimore to London, returning Tue, 5 May, priced at S$821 found 1 day ago
British Airways
Mon, 27 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$829 Return, found 1 day ago
S$829
Return
found 1 day ago
Select British Airways flight, departing Mon, 27 Apr from Baltimore to London, returning Tue, 5 May, priced at S$829 found 1 day ago
Delta
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$831 Return, found 15 hours ago
S$831
Return
found 15 hours ago
Select Delta flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$831 found 15 hours ago
British Airways
Mon, 2 Mar - Sun, 8 Mar
BWI
Baltimore
LHR
London
S$833 Return, found 2 days ago
S$833
Return
found 2 days ago
Select British Airways flight, departing Mon, 2 Mar from Baltimore to London, returning Sun, 8 Mar, priced at S$833 found 2 days ago
Virgin Atlantic
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$834 Return, found 15 hours ago
S$834
Return
found 15 hours ago
Select Virgin Atlantic flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$834 found 15 hours ago
United
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$834 Return, found 15 hours ago
S$834
Return
found 15 hours ago
Select United flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$834 found 15 hours ago
Delta
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$834 Return, found 15 hours ago
S$834
Return
found 15 hours ago
Select Delta flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$834 found 15 hours ago
KLM
Sun, 18 Jan - Tue, 27 Jan
BWI
Baltimore
LHR
London
S$835 Return, found 15 hours ago
S$835
Return
found 15 hours ago
Select KLM flight, departing Sun, 18 Jan from Baltimore to London, returning Tue, 27 Jan, priced at S$835 found 15 hours ago

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

February is typically the cheapest month to fly

From S$654 - S$1,263 per traveller.

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$799. 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.

Travel 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$798
Distance
5799 km
Average flight time
7 hours 5 mins

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Perfect flights from Baltimore to London

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Baltimore to London

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