Cheap flights from London Heathrow Airport to Washington, D.C. from $399

If you’re not able to fly to Baltimore in February, then November is your next best option. Flight prices from London Heathrow Airport to Baltimore during November average around $702.

The cheapest day to depart from London Heathrow Airport to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $714. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,285. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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 $814 when searching weeks out. 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 $661 on momondo.

You could potentially save up to 9% on your flight if you consider stops on a London Heathrow Airport to Baltimore flight.

United Airlines is the most popular carrier operating from London Heathrow to Baltimore/Washington

British Airways, Lufthansa and United Airlines 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 58% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 11 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% 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 105 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 26% of their flights experiencing any sort of delay.

Reykjavik (KEF) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

Flights via Reykjavik (KEF) offer the lowest average round-trip price of $670.

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 11h 20m.

Reykjavik (KEF) has the shortest average layover time for this route: 1h 26m.

3 flights are operational daily from London Heathrow Airport to Baltimore as of April 2026. The most popular departure time for this route is 4:00PM, with 100% of flights per day taking off in the afternoon.

As of April 2026, there are 24 flights per week flying from London Heathrow Airport to Baltimore. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.