Cheap flights from Slovenia to London from £34

The cheapest month to fly to London from Slovenia is in March. Flight prices, which tend to average around £133, are often lower during this time because this is during the off-season. The month of December is another great option to travel to London, with average flight prices from Slovenia averaging around £138.

Our data shows that Sunday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £92. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Slovenia to London for around £188.

The cheapest time of day to fly to London is at midday when flights can be purchased for as low as £92. Flights in the afternoon are often more expensive, with an average ticket price of £162.

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

There is only 1 cabin class available to choose from on Slovenia to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Slovenia to London.

Historically, on average around 21% 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 117 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.

Friday 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.

The number of flights available between Slovenia and London is 1 per day as of August 2026. The most frequent departure time is 21:00, with 50% of daily flights leaving in the evening.

As of August 2026, there are 8 flights per week flying from Slovenia to London. The most common day of the week flights depart is Sat, with 38% of flights taking off on this day.