How long is the flight from London to Slovenia?

There are many flights that can get you from London to Slovenia in 2h 05m. Fly via easyJet, Vueling, or Air Serbia to get the fastest option. There are 774 mi between London and Slovenia. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

In terms of precipitation, rainfall in Slovenia ranges from 40.0 - 70.0 inches per month. October is typically the wettest month, when rainfall can reach 70.0 mm. January is typically the driest time to visit Slovenia when rainfall is around 40.0 mm.

If weather is an important factor for your trip to Slovenia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular routes from London to Slovenia?

While some choose either London City - Ljubljana Joze Pucnik or London Stansted - Ljubljana Joze Pucnik, London Heathrow - Ljubljana Joze Pucnik is the most popular route from London to Slovenia.

What are the cheapest flights from London to Slovenia?

Looking for the cheapest flight from London to Slovenia? While on average our users pay £219, our data indicates the cheapest price to be £140. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £132.

What are the most popular airlines that fly from London to Slovenia?

Consider easyJet, British Airways or Lufthansa when booking your flight. These represent the most popular airlines when flying from London to Slovenia.

Can I find deals for flights from London to Slovenia that include hotel bookings?

Yes. In addition to deals on London to Slovenia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Slovenia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Slovenia.

Can I find deals for business class flights from London to Slovenia?

Yes. Cheapflights offers flight deals from London to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£29+ Cheap Flights from London to Slovenia

Cheap flight deals from London to Slovenia

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Slovenia
Explore the most affordable flight options available from London to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Fri 13/1116:50 -

Nonstop2h 05m

Fri 20/1120:40 -

Nonstop2h 20m

Deal found 29/9£86

Sat 12/1207:45 -

Nonstop2h 10m

Mon 14/1220:45 -

1 stop13h 25m

Deal found 30/9£86

Fri 20/1107:05 -

Nonstop2h 10m

Sun 22/1110:50 -

Nonstop2h 25m

Deal found 30/9£87

Fri 20/1107:05 -

Nonstop2h 10m

Mon 23/1112:20 -

Nonstop2h 25m

Deal found 29/9£87

Fri 13/1107:05 -

Nonstop2h 10m

Sun 15/1110:50 -

Nonstop2h 25m

Deal found 28/9£88

Wed 11/1108:20 -

Nonstop2h 10m

Wed 18/1112:20 -

Nonstop2h 25m

Deal found 27/9£91

Fri 13/1117:40 -

2 stops18h 15m

Mon 16/1111:50 -

Nonstop2h 20m

Deal found 27/9£92

Mon 2/1108:20 -

Nonstop2h 10m

Sun 8/1110:50 -

Nonstop2h 25m

Deal found 28/9£92

Fri 20/1117:40 -

2 stops18h 15m

Mon 23/1111:50 -

Nonstop2h 20m

Deal found 28/9£94

Sun 1/1107:00 -

Nonstop2h 10m

Mon 9/1112:20 -

Nonstop2h 25m

Deal found 26/9£94

Thu 19/1106:00 -

1 stop10h 10m

Sun 22/1121:20 -

1 stop16h 30m

Deal found 29/9£94

Sun 15/1107:00 -

Nonstop2h 10m

Sun 22/1121:20 -

1 stop12h 00m

Deal found 1/10£95

Best flights from London to Slovenia
Discover carefully curated flight deals from London to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Fri 13/1116:50 -

Nonstop2h 05m

Fri 20/1120:40 -

Nonstop2h 20m

Deal found 29/9£86

Wed 9/1207:05 -

Nonstop2h 05m

Sat 12/1213:30 -

1 stop10h 40m

Deal found 29/9£118

Thu 17/1209:55 -

1 stop6h 10m

Sun 20/1221:20 -

1 stop12h 50m

Deal found 27/9£132

Mon 2/1113:20 -

1 stop5h 35m

Thu 5/1120:45 -

1 stop16h 35m

Deal found 26/9£183

Thu 17/1207:25 -

Nonstop2h 10m

Sun 20/1210:50 -

Nonstop2h 25m

Deal found 27/9£92

Sun 1/1108:30 -

1 stop11h 50m

Sun 8/1106:40 -

1 stop7h 10m

Deal found 28/9£184

Thu 12/1106:30 -

1 stop4h 50m

Thu 19/1112:25 -

2 stops9h 25m

Deal found 28/9£191

Wed 4/1109:15 -

1 stop4h 00m

Fri 13/1106:15 -

1 stop11h 50m

Deal found 26/9£204

Fri 27/1107:05 -

Nonstop2h 10m

Mon 30/1112:20 -

Nonstop2h 25m

Deal found 27/9£94

Wed 4/1107:05 -

Nonstop2h 05m

Wed 11/1110:50 -

Nonstop2h 20m

Deal found 30/9£97

Fri 27/1120:15 -

2 stops11h 45m

Mon 30/1111:50 -

Nonstop2h 20m

Deal found 27/9£139

Wed 18/1110:55 -

1 stop20h 30m

Mon 23/1119:40 -

1 stop21h 40m

Deal found 30/9£290

Thu 29/1006:35 -

Nonstop2h 10m

Thu 5/1110:20 -

Nonstop2h 25m

Deal found 29/9£109

Fri 20/1118:55 -

2 stops13h 05m

Mon 23/1111:50 -

Nonstop2h 20m

Deal found 26/9£141

Fri 18/1216:50 -

Nonstop2h 05m

Mon 21/1211:50 -

Nonstop2h 20m

Deal found 27/9£112

Sun 15/1106:10 -

1 stop10h 00m

Fri 20/1114:55 -

2 stops8h 55m

Deal found 26/9£142

Wed 30/1207:05 -

Nonstop2h 05m

Wed 6/110:50 -

Nonstop2h 20m

Deal found 30/9£113

Wed 11/1113:20 -

1 stop18h 40m

Fri 13/1114:55 -

1 stop22h 25m

Deal found 29/9£183

Fri 20/1111:30 -

1 stop8h 50m

Mon 23/1106:40 -

1 stop5h 05m

Deal found 28/9£184

Fri 4/1216:50 -

Nonstop2h 05m

Mon 7/1220:45 -

1 stop15h 30m

Deal found 26/9£143

Fri 18/1216:50 -

Nonstop2h 05m

Sun 20/1211:10 -

Nonstop2h 20m

Deal found 27/9£114

Thu 26/1109:15 -

1 stop4h 00m

Sun 29/1106:15 -

1 stop12h 10m

Deal found 29/9£211

Fri 27/1115:30 -

1 stop4h 50m

Sun 29/1110:45 -

1 stop9h 00m

Deal found 26/9£193

Wed 18/1118:55 -

2 stops13h 05m

Mon 23/1111:50 -

Nonstop2h 20m

Deal found 30/9£150

Fri 30/1013:20 -

1 stop18h 40m

Sat 7/1120:45 -

1 stop16h 35m

Deal found 26/9£219

Fri 18/1207:05 -

Nonstop2h 10m

Mon 21/1212:20 -

Nonstop2h 25m

Deal found 30/9£124

Wed 11/1116:00 -

1 stop16h 00m

Fri 13/1120:40 -

Nonstop2h 20m

Deal found 29/9£151

Sat 17/1007:30 -

1 stop4h 35m

Mon 19/1013:20 -

1 stop4h 45m

Deal found 28/9£205

Mon 2/1109:15 -

1 stop12h 30m

Tue 10/1106:15 -

1 stop13h 15m

Deal found 29/9£233

Sat 31/1007:45 -

Nonstop2h 10m

Fri 6/1111:00 -

Nonstop2h 25m

Deal found 26/9£126

Find flight deals from London to Slovenia

Round-trip from	£86
One-way from	£29
Popular in	August
Cheapest in	January
Average price	£155
Good round-trip deal	£66 or less
Good one-way deal	£69 or less

easyJet
13/11-20/11
Nonstop
4h 25m total
London to Slovenia

Search Deals

easyJet
4/11-31/12
Nonstop
2h 10m total
London to Slovenia

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£59 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to Slovenia.

Search Deals

Price to beat on a one-way flight from London (LON) to Slovenia.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Mon 9/11

08:05-11:10

Nonstop2h 05m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£37

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Sat 5/12

07:45-10:55

Nonstop2h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£39

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Mon 2/11

08:05-11:10

Nonstop2h 05m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£41

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Fri 20/11

16:50-19:55

Nonstop2h 05m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Fri 20/11

07:05-10:15

Nonstop2h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£43

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Tue 6/10

06:25-09:40

Nonstop2h 15m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£46

LondonLjubljana

STN London Stansted - LJU Ljubljana Joze Pucnik

STNLJU

London Stansted

Thu 3/12

06:00-17:10

1 stop10h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Thu 17/12

07:25-10:35

Nonstop2h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£49

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Thu 24/12

07:25-10:35

Nonstop2h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Thu 29/10

06:35-09:45

Nonstop2h 10m

Ljubljana Joze Pucnik

Wed 31/12

00:00-00:00

Nonstop0h 00m

£59

Flights are sorted by cheapest return flights first.

Deals found on 29/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from London with our price prediction graph.

LTN-LJU

LGW-LJU

STN-LJU

LHR-LJU

LCY-LJU

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Slovenia

LON-SI0

LTN-LJU

LGW-LJU

STN-LJU

LHR-LJU

What is the cheapest month to book a flight from London to Slovenia?

Currently, November is the cheapest month in which you can book a flight from London to Slovenia (average of £107). Flying from London to Slovenia in August is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SI?

When flying from London to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far ahead should I book a flight from London to Slovenia?

The price you pay for your flight from London to Slovenia may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with SWISS,Brussels Airlines, andeasyJet from London to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

SWISS

7.5

Good

2,087 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

Brussels Airlines

7.2

Good

433 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

easyJet

6.9

Okay

1,927 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

Lufthansa

6.8

Okay

8,251 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

British Airways

6.7

Okay

8,241 reviews

SWISS

7.5

Good

2,087 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Thomas,Mar 2026

BOS - ZRH

The business class seats on the new Swiss A350 are hard as a rock. Seems like a bit of a miss on the new "Swiss Senses" experience. Other than that, excellent service.

Related info for your journey

How long is the flight from London to Slovenia?
There are many flights that can get you from London to Slovenia in 2h 05m. Fly via easyJet, Vueling, or Air Serbia to get the fastest option. There are 774 mi between London and Slovenia. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from London to Slovenia?
While some choose either London City - Ljubljana Joze Pucnik or London Stansted - Ljubljana Joze Pucnik, London Heathrow - Ljubljana Joze Pucnik is the most popular route from London to Slovenia.
What are the cheapest flights from London to Slovenia?
Looking for the cheapest flight from London to Slovenia? While on average our users pay £219, our data indicates the cheapest price to be £140. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £132.
Can I find deals for flights from London to Slovenia that include hotel bookings?
Yes. In addition to deals on London to Slovenia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Slovenia.
Can I find deals for business class flights from London to Slovenia?
Yes. Cheapflights offers flight deals from London to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to Slovenia?
Currently, November is the cheapest month in which you can book a flight from London to Slovenia (average of £107). Flying from London to Slovenia in August is currently the most expensive (average of £282). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Slovenia

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Top 4 airlines flying from London to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£78	Average£231	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Lufthansa	Cheapest£159	Average£207	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£169	Average£280	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
British Airways	Cheapest£182	Average£283	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Slovenia?

When you search for this flight from London to Slovenia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Slovenia?

Cheapflights helps you find that perfect flight to Slovenia from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Slovenia with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Slovenia flexibly with Cheapflights today.

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Of course! You can now track prices for flights from London to Slovenia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from London to Slovenia from £29

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Slovenia

Cheapest flights from London to SloveniaExplore the most affordable flight options available from London to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Explore the most affordable flight options available from London to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from London to SloveniaDiscover carefully curated flight deals from London to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Discover carefully curated flight deals from London to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from London to SloveniaExplore direct flight options from London to Slovenia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Explore direct flight options from London to Slovenia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from London to SloveniaDiscover last-minute flight deals from London to Slovenia. Data last updated 1 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Slovenia. Data last updated 1 October 2026 and is based on user searches.

One-way flights from London to SloveniaSearch for one-way flight options from London to Slovenia. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Search for one-way flight options from London to Slovenia. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.

Find flight deals from London to Slovenia

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from London to Slovenia that are best for you.

Best time to book a flight from London to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Slovenia?

What is the cheapest time of day to fly from LON to SI?

Find hourly flight availability from London to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 October 2026.

When flying from London to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far ahead should I book a flight from London to Slovenia?

The price you pay for your flight from London to Slovenia may vary depending on when you book. For the best chance of a lower fare, look to book 13 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with SWISS,Brussels Airlines, andeasyJet from London to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Slovenia?

What are the most popular routes from London to Slovenia?

What are the cheapest flights from London to Slovenia?

Can I find deals for flights from London to Slovenia that include hotel bookings?

How can I find direct flights from London to Slovenia?

Can I find deals for business class flights from London to Slovenia?

What is the cheapest month to book a flight from London to Slovenia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Slovenia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from London to Slovenia by cabin class

Find flights from London to Slovenia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Slovenia flights

Browse other London and Slovenia flight options. Last updated on 1 October 2026.

Popular flight searches

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London to Slovenia flights

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Top 4 airlines flying from London to Slovenia

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How does Cheapflights help users find flights from London to Slovenia?

Why should you use Cheapflights to find cheap flight tickets from London to Slovenia?

Can Cheapflights find flights from London to Slovenia with no change fees?

Can Cheapflights notify me if prices for flights from London to Slovenia become cheaper?

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Cheapest flights from London to Slovenia
Explore the most affordable flight options available from London to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 October 2026.

Best flights from London to Slovenia
Discover carefully curated flight deals from London to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 October 2026.

Direct flights from London to Slovenia
Explore direct flight options from London to Slovenia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 October 2026.

Last-minute flights from London to Slovenia
Discover last-minute flight deals from London to Slovenia. Data last updated 1 October 2026 and is based on user searches.

One-way flights from London to Slovenia
Search for one-way flight options from London to Slovenia. Find affordable one-way fares based on user searches. Data last updated 1 October 2026.