$246 Cheap Flights from Baltimore (BWI) to London (LGW)

View $246 flight on Wed, Aug 20, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Gatwick Airport (LGW)

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Find available prices by choosing your travel dates.

Cheap Flights from Baltimore to London (BWI-LGW)

Prices were available within the past 7 days and start at $246 for one-way flights and $509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, Mar 4 - Tue, Mar 10
BWI
Baltimore
LGW
London
$509 Roundtrip, found 3 days ago
$509
Roundtrip
found 3 days ago
Select Icelandair flight, departing Wed, Mar 4 from Baltimore to London, returning Tue, Mar 10, priced at $509 found 3 days ago
Icelandair
Tue, Jul 29 - Tue, Aug 26
BWI
Baltimore
LGW
London
$523 Roundtrip, found 3 days ago
$523
Roundtrip
found 3 days ago
Select Icelandair flight, departing Tue, Jul 29 from Baltimore to London, returning Tue, Aug 26, priced at $523 found 3 days ago
Icelandair
Sun, Jul 27 - Sun, Aug 24
BWI
Baltimore
LGW
London
$524 Roundtrip, found 3 days ago
$524
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sun, Jul 27 from Baltimore to London, returning Sun, Aug 24, priced at $524 found 3 days ago
American Airlines
Tue, Jul 29 - Tue, Aug 26
BWI
Baltimore
LGW
London
$531 Roundtrip, found 3 days ago
$531
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 29 from Baltimore to London, returning Tue, Aug 26, priced at $531 found 3 days ago
American Airlines
Tue, Jul 29 - Tue, Aug 26
BWI
Baltimore
LGW
London
$542 Roundtrip, found 3 days ago
$542
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Jul 29 from Baltimore to London, returning Tue, Aug 26, priced at $542 found 3 days ago
Icelandair
Mon, Jul 28 - Tue, Aug 12
BWI
Baltimore
LGW
London
$562 Roundtrip, found 1 day ago
$562
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Jul 28 from Baltimore to London, returning Tue, Aug 12, priced at $562 found 1 day ago
Icelandair
Sat, Mar 21 - Thu, Mar 26
BWI
Baltimore
LGW
London
$564 Roundtrip, found 2 days ago
$564
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sat, Mar 21 from Baltimore to London, returning Thu, Mar 26, priced at $564 found 2 days ago
Delta
Fri, Aug 1 - Fri, Aug 29
BWI
Baltimore
LGW
London
$587 Roundtrip, found 3 days ago
$587
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Aug 1 from Baltimore to London, returning Fri, Aug 29, priced at $587 found 3 days ago
Virgin Atlantic
Fri, Aug 1 - Fri, Aug 29
BWI
Baltimore
LGW
London
$597 Roundtrip, found 3 days ago
$597
Roundtrip
found 3 days ago
Select Virgin Atlantic flight, departing Fri, Aug 1 from Baltimore to London, returning Fri, Aug 29, priced at $597 found 3 days ago
KLM
Fri, Aug 1 - Fri, Aug 29
BWI
Baltimore
LGW
London
$639 Roundtrip, found 3 days ago
$639
Roundtrip
found 3 days ago
Select KLM flight, departing Fri, Aug 1 from Baltimore to London, returning Fri, Aug 29, priced at $639 found 3 days ago
Flights from Baltimore (BWI) to London (LGW)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Gatwick
Airlines serving
Air France, American Airlines, British Airways, Delta, Icelandair, KLM, Virgin Atlantic
Roundtrip price
$509
Distance
3643 mi

Baltimore to London Flights

The cheapest times to fly from Baltimore to London

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to London are during the month of March. You can find some of the cheapest flights from Baltimore to London with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Baltimore to London

Sunday is one of the best days to book for cheap flights from Baltimore to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Baltimore to London

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to London in 2025. You can also book with separate airlines for your outbound and return journeys, from $246 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW) cost?
Discover the latest flight deals from BWI to LGW by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BWI to LGW?
The cheapest flights from BWI to LGW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BWI to LGW?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BWI to LGW. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW)?
There aren’t any daily direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from BWI to LGW?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW)?
To reach Gatwick Airport (LGW) without delays, opt for a flight that takes off from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for London from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Explore your flight options from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Heathrow Airport (LHR). This is the only London airport you can jet into if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW) last-minute?
Waiting until just before your trip to book a flight from BWI to LGW generally means paying more. Although you may find some last-minute discounts, they aren’t always guaranteed. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a BWI to LGW flight and hotel package?
Opting for a BWI to LGW flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our extensive range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Gatwick Airport (LGW)?
If you booked your BWI to LGW flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

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*Available to One Key members.