Cheap flights from Bucharest to London from £44

In general, March is the cheapest month to fly from Bucharest to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £102. The month of January is another great option to travel to London Heathrow Airport, with average flight prices from Bucharest averaging around £113.

On average, the least expensive day to fly to London Heathrow Airport from Bucharest is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £100. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £209.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Bucharest to London Heathrow Airport in the evening for as low as £145. 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 morning when prices are £197 on average. Flights to London Heathrow Airport from Bucharest in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Bucharest when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £174 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 Bucharest for as low as £95 on momondo.

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

Historically, on average around 14% of flights between Bucharest and London have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing in the morning 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. 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 14% of their flights experiencing any sort of delay.

As of April 2026, there are 2 flights per day flying from Bucharest to London Heathrow Airport. The most common time of day flights depart is 08:00, with 80% of flights taking off at midday.

15 flights are operational weekly from Bucharest to London Heathrow Airport as of April 2026. The most popular departure day for this route is Mon, with 20% of flights per week taking off on this day.