Cheap flights from Slovenia to London from £36

According to our data, Sunday is the cheapest day to fly to London Gatwick Airport from Slovenia. The lowest ticket price found for a Sunday departure recently was £95. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Slovenia to London Gatwick Airport on a Tuesday will generally be more expensive and average around £154. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Slovenia to London Gatwick Airport flights are usually those with departure times at midday. Our users have found flights to London Gatwick Airport at midday for as low as £95. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the evening when prices are around £134.

Fly from Ljubljana Joze Pucnik to London Gatwick for the best Slovenia - London Gatwick flight prices

There is only 1 cabin class available to choose from on Slovenia to London Gatwick 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 Slovenia and London have experienced a delay on any given week. The average delay length over the past 12 months has been 112 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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, easyJet have had the fewest delays on this route over the last 12 months, with about 18% of their flights experiencing any sort of delay.

As of April 2026, there are 3 flights per week flying from Slovenia to London Gatwick Airport. The most common day of the week flights depart is Fri, with 33% of flights taking off on this day.

On average, it takes 2h 20m to fly from Slovenia to London Gatwick Airport if you fly out of Ljubljana (the most popular airport in Slovenia) and into London Heathrow Airport (the most popular airport in London Gatwick Airport). If you’re flying out of Maribor and into London Heathrow Airport, then the flight time is around 25h 45m.