Cheap flights from London Heathrow Airport to Belgrade from £75

The month of August is, on average, the cheapest month to fly to Belgrade from London Heathrow Airport, with most prices found around £92. If you don’t want to visit Belgrade in August, then you should wait until July to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £92.

Our data shows that Friday is the least expensive day to fly to Belgrade. Tickets to fly out on this day can be as low as £98. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Belgrade for around £146.

Fly from London Heathrow to Belgrade Nikola Tesla for the best London Heathrow - Belgrade Nikola Tesla flight prices

You are more likely to see cheaper flights to Belgrade from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Belgrade for around £195 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belgrade from London Heathrow Airport for as low as £153 on momondo.

As of April 2026, prices for London Heathrow Airport to Belgrade flights are approximately 168% more expensive when compared to flights at the same time last year.

Air Serbia and KLM are the most popular carriers operating from London Heathrow to Belgrade Nikola Tesla

Air Serbia, Lufthansa and Wizz Air are the top three most popular airlines that fly to Belgrade from London Heathrow Airport according to our data. Air Serbia is the first choice among our users, with 89% of people opting to fly with this airline when travelling to Belgrade. Keep in mind that there are 3 different airlines that fly to Belgrade on a routine basis, so you have a few additional options to choose from.

Historically, on average around 28% of flights between London and Belgrade have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Generally, flights departing in the early afternoon 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Air Serbia have had the fewest delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.