$346 Cheap Flights from Baltimore (BWI) to London (LHR)

Bundle Your Flight + Hotel & Save!

Add Price Drop Protection and Expedia will pay you back if your flight gets cheaper.*

As a One Key member, you can earn OneKeyCash on top of airline miles.

As a One Key member, you can save up to 30% when you add a hotel to your flight.

Featured airlines

Top nine airline logos for desktop

Cheap Flights from Baltimore to London (BWI-LHR)

Prices were available within the past 7 days and start at $346 for one-way flights and $541 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Virgin Atlantic
Air France
Virgin Atlantic
Virgin Atlantic
British Airways
British Airways
Flights from Baltimore (BWI) to London (LHR)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Condor, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, TAP Portugal, United, Virgin Atlantic
Roundtrip price
3624 mi
Average flight time
7 hours 10 mins

Baltimore to London Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Baltimore to London offer the perfect respite. Not only does exploring London provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Baltimore to London may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from BWI to LHR today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of London are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to London more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is $346 now!

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 $541. 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 canceled 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 many hours is the flight from BWI Airport to Heathrow Airport?
Averaging 10 hours and 37 minutes, the journey from BWI Airport to Heathrow Airport is a long one. To make your time on board more comfortable, remember to bring a quality travel pillow and a pair of earplugs.
How far is the flight from BWI Marshall to Heathrow Airport (LHR)?
The distance is around 3605 mi. Travel pillow? Check. Toiletries? Check. You’ll need to pack all the travel comforts for this long-haul Baltimore to Hounslow flight.
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.
Can I fly from BWI Marshall to Heathrow Airport right now?
To see what travel restrictions and quarantine requirements are in place for different citizens flying from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to London Heathrow please visit our COVID 19 travel advisor portal link.
London nearby Airports

*Available for a fee on select flights. Terms apply.