S$654 Cheap Flights from Baltimore to London

View S$654 flight on Sun, 26 Apr, 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$654 for one-way flights and S$1,165 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, 19 Apr - Tue, 28 Apr
BWI
Baltimore
LHR
London
S$1,165 Return, found 5 days ago
S$1,165
Return
found 5 days ago
Select British Airways flight, departing Sun, 19 Apr from Baltimore to London, returning Tue, 28 Apr, priced at S$1,165 found 5 days ago
Delta
Thu, 30 Apr - Mon, 4 May
BWI
Baltimore
LHR
London
S$1,171 Return, found 5 days ago
S$1,171
Return
found 5 days ago
Select Delta flight, departing Thu, 30 Apr from Baltimore to London, returning Mon, 4 May, priced at S$1,171 found 5 days ago
Finnair
Mon, 27 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,179 Return, found 1 day ago
S$1,179
Return
found 1 day ago
Select Finnair flight, departing Mon, 27 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,179 found 1 day ago
Finnair
Mon, 27 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,189 Return, found 1 day ago
S$1,189
Return
found 1 day ago
Select Finnair flight, departing Mon, 27 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,189 found 1 day ago
United
Sun, 26 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,199 Return, found 2 hours ago
S$1,199
Return
found 2 hours ago
Select United flight, departing Sun, 26 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,199 found 2 hours ago
Virgin Atlantic
Sun, 26 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,199 Return, found 2 hours ago
S$1,199
Return
found 2 hours ago
Select Virgin Atlantic flight, departing Sun, 26 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,199 found 2 hours ago
Delta
Sun, 26 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,199 Return, found 2 hours ago
S$1,199
Return
found 2 hours ago
Select Delta flight, departing Sun, 26 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,199 found 2 hours ago
Delta
Mon, 27 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,199 Return, found 1 day ago
S$1,199
Return
found 1 day ago
Select Delta flight, departing Mon, 27 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,199 found 1 day ago
United
Sun, 26 Apr - Tue, 5 May
BWI
Baltimore
LHR
London
S$1,203 Return, found 2 hours ago
S$1,203
Return
found 2 hours ago
Select United flight, departing Sun, 26 Apr from Baltimore to London, returning Tue, 5 May, priced at S$1,203 found 2 hours ago
Delta
Thu, 30 Apr - Mon, 4 May
BWI
Baltimore
LHR
London
S$1,207 Return, found 5 days ago
S$1,207
Return
found 5 days ago
Select Delta flight, departing Thu, 30 Apr from Baltimore to London, returning Mon, 4 May, priced at S$1,207 found 5 days ago

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

April is typically the cheapest month to fly

From S$730 - S$1,574 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$1,165. 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, Finnair, KLM, United, Virgin Atlantic
Return price
S$1,164
Distance
5799 km
Average flight time
7 hours 20 mins

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