Cheap flights from London Heathrow Airport to Bucharest from £57

The cheapest month to fly to Bucharest from London Heathrow Airport is in January. Flight prices, which tend to average around £117, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Bucharest from London Heathrow Airport during November instead. Flights to Bucharest in November, while not as cheap as those in January, still average around £132.

According to our data, Wednesday is the cheapest day to fly to Bucharest from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £108. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Bucharest for around £143.

Flying to Bucharest from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as £113 when looking at flights departing in the morning. Try not to purchase tickets in the evening because they tend to be around £159. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from London Heathrow to Bucharest Otopeni Intl for the best London Heathrow - Bucharest flight prices

You are more likely to see cheaper flights to Bucharest from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bucharest for around £201 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bucharest from London Heathrow Airport for as low as £176 on momondo.

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

British Airways, KLM, and Air Serbia are the most popular carriers operating from London Heathrow to Bucharest

British Airways, Lufthansa and Austrian Airlines are the top three most popular airlines that fly to Bucharest from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 81% of people opting to fly with this airline when travelling to Bucharest. Keep in mind that there are 5 different airlines that fly to Bucharest on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between London and Bucharest have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

Generally, flights departing in the morning 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. 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 15% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Bucharest is 3 per day as of March 2026. The most frequent departure time is 18:00, with 57% of daily flights leaving in the evening.

The number of flights available between London Heathrow Airport and Bucharest is 27 per week as of March 2026. The most frequent departure day is Fri, with 33% of weekly flights leaving on this day.