Cheap flights from London Heathrow Airport to Washington, D.C. from £275

The month of February is, on average, the cheapest month to fly to Baltimore from London Heathrow Airport, with most prices found around £467. If you are unable to visit Baltimore during the month of February, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around £516.

The cheapest day to depart from London Heathrow Airport to Baltimore is on a Tuesday. Travellers who choose to depart for Baltimore on a Tuesday will often find tickets for as low as £579. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around £741. 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 Heathrow Airport to Baltimore in the afternoon for as low as £657. 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 £706. 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 Heathrow - Baltimore/Washington flight prices

You are more likely to see cheaper flights to Baltimore from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around £608 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 Heathrow Airport for as low as £507 on momondo.

There are 3 cabin classes available to choose from on London Heathrow 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 25% on your flight if you consider stops on a London Heathrow Airport to Baltimore flight.

As of March 2026, prices for London Heathrow Airport to Baltimore flights are approximately 35% more expensive when compared to flights at the same time last year.

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

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to Baltimore from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 47% 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 27% 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 early afternoon 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. Thursday 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: 62% of momondo users choosing one-stop flights on this route connected there.

Flights via Chicago (ORD) offer the lowest average return price of £495.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 12h 28m.

Reykjavik (KEF) has the shortest average stopover time for this route: 2h 00m.

The number of flights available between London Heathrow Airport and Baltimore is 4 per day as of March 2026. The most frequent departure time is 15:00, with 100% of daily flights leaving in the afternoon.

As of March 2026, 29 flights take off from London Heathrow Airport and land in Baltimore each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.