Cheap flights from Baltimore/Washington to London, United Kingdom (BWI - LON)

Flying from Baltimore/Washington to London can be expensive. Our search helps you compare cheap flights, airfare deals, and flight tickets across airlines and agencies so you can book at the best price.

We scan trusted travel agencies and airline booking systems for the route Baltimore/Washington - London (BWI - LON). We do not sell tickets or add fees - you choose where to buy.

Airfares vary by date, time, and airport. Use filters to find the best option by departure/arrival time, number of stops, airline or alliance, and booking channel.

If your dates are flexible, check the low-fare calendar to find the cheapest days. Booking round-trip in one order often reduces fees, and prices usually rise as departure approaches.

We also recommend you to look through the prices for return tickets from London to Baltimore/Washington.

Airfares found by our users in the past 24 hours

The cheapest flight from Baltimore/Washington to London is £445 on United Airlines, departing on 16/02/2026 - 14:30 and returning on 22/02/2026 - 10:30.
The price for these dates could change. Use search to get the best price.

Average round-trip airfares from Baltimore/Washington to London by months

MonthRound-Trip
February 202616.02 - 22.02from £445
March 202627.03 - 05.04from £506
April 202604.04 - 07.04from £224
May 202613.05 - 27.05from £393
June 202611.06 - 18.06from £479
July 202602.07 - 05.07from £525
August 2026find now
September 202629.09 - 13.10from £255
October 2026find now
November 2026find now
December 202626.12 - 01.01from £592
January 2027find now

Prices shown are based on searches from the last few days. Ticket prices can change and depend on availability at the time of booking.

Airlines are flying from Baltimore/Washington to London

British Airways

Frequently asked questions about flights from Baltimore/Washington to London

How long does the flight from Baltimore/Washington to London take?

Flight duration from Baltimore/Washington to London varies by route, airline, and number of stops. Direct flights are faster. Use our search to compare options.

Are there direct flights from Baltimore/Washington to London?

Availability of direct flights from Baltimore/Washington to London depends on the route and season. Use the "Direct" filter in search to see only direct options.

Which airlines fly from Baltimore/Washington to London?

Several airlines operate flights from Baltimore/Washington to London. On this page you see airlines serving this route. Our search compares prices across airlines and agencies.

What is the cheapest month to fly from Baltimore/Washington to London?

Prices from Baltimore/Washington to London vary by month and demand. On this page you see average prices by month. Use the low-fare calendar and monthly table to find the cheapest dates.

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