Cheap flights from London to Washington, D.C. from £242

The month of January is, on average, the cheapest month to fly to Baltimore from London, with most prices found around £491. If you are unable to visit Baltimore during the month of January, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around £492.

The cheapest day to depart from London to Baltimore is on a Tuesday. Travellers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as £580. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £753. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

According to our data, the cheapest time of day to fly to Baltimore is in the afternoon. momondo users have found flights departing from London to Baltimore in the afternoon for as low as £660. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at midday because they tend to be around £709. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Baltimore from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around £611 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from London for as low as £509 on momondo.

There are 3 cabin classes available to choose from on London to Baltimore/Washington 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 29% on your flight if you consider stops on a London to Baltimore flight.

As of March 2026, prices for London to Baltimore flights are approximately 130% more expensive when compared to flights at the same time last year.

Icelandair, Delta, and United Airlines are the most popular carriers operating from London to Baltimore/Washington

British Airways, Virgin Atlantic and Icelandair are the top three most popular airlines that fly to Baltimore from London according to our data. British Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Baltimore. Keep in mind that there are 18 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% of flights between London and Baltimore have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 70% of momondo users choosing one-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average return price of £302.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 00m.

Reykjavik (KEF) has the shortest average stopover time for this route: 1h 33m.

As of March 2026, 4 flights take off from London and land in Baltimore each day. The most common flight departure time for this route is 15:00, with 100% of daily flights taking off in the afternoon.

The number of flights available between London and Baltimore is 29 per week as of March 2026. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.