Cheap flights from London Heathrow Airport to Bucharest from $135

The month of January is, on average, the cheapest month to fly to Bucharest from London Heathrow Airport, with most prices found around $216. If you aren’t able to travel during the month of January, then book flights to Bucharest from London Heathrow Airport during February instead. Flights to Bucharest in February, while not as cheap as those in January, still average around $255.

According to our data, the cheapest time of day to fly to Bucharest is in the morning. momondo users have found flights departing from London Heathrow Airport to Bucharest in the morning for as low as $273. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive, with an average ticket price of $312.

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 $397 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 $320 on momondo.

There is only 1 cabin class available to choose from on London Heathrow Airport to Bucharest flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of October 2026, prices for London Heathrow Airport to Bucharest flights are approximately 39% more expensive when compared to flights at the same time last year.

Historically, on average around 16% 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 122 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.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 16% of their flights experiencing any sort of delay.

As of October 2026, there are 1 flights per day flying from London Heathrow Airport to Bucharest. The most common time of day flights depart is 20:00, with 68% of flights taking off in the evening.

As of October 2026, there are 9 flights per week flying from London Heathrow Airport to Bucharest. The most common day of the week flights depart is Tue, with 78% of flights taking off on this day.