Cheap flights from London Heathrow Airport to Serbia from £85

If you’re not able to fly to Serbia in September, then August is your next best option. Flight prices from London Heathrow Airport to Serbia during August average around £42.

The cheapest day to depart from London Heathrow Airport to Serbia is on a Friday. Travellers who choose to depart for Serbia on a Friday will often find tickets for as low as £93. On the other hand, Thursday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £209.

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

You are more likely to see cheaper flights to Serbia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Serbia for around £205 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Serbia from London Heathrow Airport for as low as £162 on momondo.

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

You could potentially save up to 22% on your flight if you consider stops on a London Heathrow Airport to Serbia flight.

Air Serbia is the most popular carrier operating from London Heathrow to Serbia

Air Serbia, Lufthansa and Wizz Air are the top three most popular airlines that fly to Serbia from London Heathrow Airport according to our data. Air Serbia is the first choice among our users, with 86% of people opting to fly with this airline when travelling to Serbia. Keep in mind that there are 4 different airlines that fly to Serbia on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between London and Serbia have experienced a delay on any given week. The average delay length over the past 12 months has been 119 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, airBaltic have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

The number of flights available between London Heathrow Airport and Serbia is 1 per day as of June 2026. The most frequent departure time is 13:00, with 87% of daily flights leaving in the afternoon.

As of June 2026, there are 9 flights per week flying from London Heathrow Airport to Serbia. The most common day of the week flights depart is Sat, with 22% of flights taking off on this day.