Cheap flights from Baltimore to London from £188

In general, January is the cheapest month to fly from Baltimore to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £477. The month of November is another great option to travel to London Heathrow Airport, with average flight prices from Baltimore averaging around £507.

On average, the least expensive day to fly to London Heathrow Airport from Baltimore is on a Sunday. momondo users have found tickets for Sunday departures for as low as £525. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £602.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Baltimore to London Heathrow Airport in the afternoon for as low as £544. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £571 on average. Flights to London Heathrow Airport from Baltimore in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from Baltimore/Washington to London Heathrow for the best Baltimore/Washington - London Heathrow flight prices

You are more likely to see cheaper flights to London Heathrow Airport from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £570 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Baltimore for as low as £528 on momondo.

There are 3 cabin classes available to choose from on Baltimore/Washington to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 20% on your flight if you consider stops on a Baltimore to London Heathrow Airport flight.

As of February 2026, prices for Baltimore to London Heathrow Airport flights are approximately 139% more expensive when compared to flights at the same time last year.