Cheap flights from Serbia to London from £65

In general, September is the cheapest month to fly from Serbia to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £136. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Serbia averaging around £138.

On average, the least expensive day to fly to London Heathrow Airport from Serbia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £41. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Sunday is £157.

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

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

Historically, on average around 18% of flights between Serbia and London 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 morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Friday 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 6% of their flights experiencing any sort of delay.

As of February 2026, 1 flights take off from Serbia and land in London Heathrow Airport each day. The most common flight departure time for this route is 10:00, with 100% of daily flights taking off at midday.

The number of flights available between Serbia and London Heathrow Airport is 13 per week as of February 2026. The most frequent departure day is Fri, with 23% of weekly flights leaving on this day.