Cheap flights from London Heathrow Airport to Belgrade from £63

The month of January is, on average, the cheapest month to fly to Belgrade from London Heathrow Airport, with most prices found around £196. If you don’t want to visit Belgrade in January, then you should wait until April to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £208.

Our data shows that Wednesday is the least expensive day to fly to Belgrade. Tickets to fly out on this day can be as low as £175. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from London Heathrow Airport to Belgrade for around £212.

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 £242 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 £125 on momondo.

There are 2 cabin classes available to choose from on London Heathrow Airport to Belgrade flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

As of September 2026, prices for London Heathrow Airport to Belgrade flights are approximately 42% 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 67% 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 23% 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 109 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. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, airBaltic have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Istanbul (IST) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via Munich (MUC) offer the lowest average return price of £144.

Flights connecting via Munich (MUC) have the shortest average one-way travel time: 4h 05m.

Munich (MUC) has the shortest average stopover time for this route: 0h 55m.