Cheap flights from London Heathrow Airport to Belgrade from C$ 193

The cheapest month to fly to Belgrade from London Heathrow Airport is in August. Flight prices, which tend to average around C$ 170, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Belgrade from London Heathrow Airport during July instead. Flights to Belgrade in July, while not as cheap as those in August, still average around C$ 170.

The cheapest day to depart on your flight to Belgrade is on a Monday when prices can be found for as low as C$ 186. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday 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 C$ 272.

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 C$ 362 when searching weeks out. 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 C$ 283 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.

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 has had the least delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.