How long is the flight from London to Slovenia?

There are many flights that can get you from London to Slovenia in 2h 15m. Fly via easyJet, SWISS, or British Airways to get the fastest option. There are 747 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 Gatwick - 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 £244, our data indicates the cheapest price to be £84. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £156.

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.

£33+ 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 17 August 2026.

Fri 2/1022:00 -

2 stops33h 50m

Sun 8/1114:25 -

2 stops10h 00m

Deal found 17/8£154

Sat 17/1017:35 -

Nonstop2h 15m

Sat 31/1011:40 -

Nonstop2h 25m

Deal found 17/8£154

Sat 12/920:50 -

2 stops19h 25m

Thu 24/921:35 -

1 stop10h 35m

Deal found 17/8£155

Tue 22/906:25 -

Nonstop2h 15m

Thu 24/913:55 -

2 stops21h 20m

Deal found 17/8£155

Sat 10/1017:35 -

Nonstop2h 15m

Mon 12/1009:55 -

1 stop11h 05m

Deal found 17/8£156

Tue 6/1010:50 -

1 stop7h 35m

Sun 11/1006:25 -

1 stop7h 35m

Deal found 17/8£157

Sat 26/917:35 -

Nonstop2h 15m

Sat 3/1021:35 -

Nonstop2h 20m

Deal found 17/8£157

Mon 9/1113:20 -

1 stop5h 35m

Sun 15/1109:30 -

1 stop27h 50m

Deal found 17/8£158

Fri 2/1014:30 -

2 stops17h 20m

Sun 8/1121:20 -

1 stop12h 00m

Deal found 17/8£158

Thu 15/1005:45 -

2 stops10h 30m

Mon 19/1011:00 -

Nonstop2h 20m

Deal found 17/8£161

Sun 13/906:10 -

1 stop10h 05m

Thu 24/921:35 -

1 stop13h 40m

Deal found 17/8£163

Wed 7/1007:25 -

1 stop4h 10m

Sat 10/1018:30 -

1 stop4h 05m

Deal found 17/8£163

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 17 August 2026.

Mon 16/1113:20 -

1 stop5h 35m

Tue 17/1109:30 -

1 stop27h 50m

Deal found 17/8£158

Fri 16/1021:20 -

2 stops18h 55m

Sun 18/1022:20 -

2 stops17h 15m

Deal found 13/8£171

Sun 6/908:05 -

Nonstop2h 15m

Wed 9/911:05 -

Nonstop2h 20m

Deal found 13/8£180

Fri 9/1017:10 -

Nonstop2h 20m

Sun 11/1021:25 -

Nonstop2h 20m

Deal found 13/8£185

Wed 23/912:10 -

1 stop9h 30m

Tue 29/910:50 -

1 stop9h 30m

Deal found 15/8£186

Tue 1/910:00 -

1 stop11h 55m

Fri 4/914:00 -

1 stop6h 45m

Deal found 13/8£187

Thu 12/1109:00 -

1 stop7h 05m

Thu 19/1117:55 -

1 stop15h 25m

Deal found 13/8£208

Tue 22/917:35 -

1 stop14h 15m

Mon 12/1014:00 -

1 stop27h 40m

Deal found 14/8£260

Wed 7/1006:55 -

1 stop4h 40m

Sat 10/1018:30 -

1 stop4h 05m

Deal found 13/8£180

Mon 26/1008:30 -

Nonstop2h 10m

Sun 1/1110:50 -

Nonstop2h 25m

Deal found 16/8£189

Mon 5/1011:00 -

Nonstop2h 15m

Fri 9/1021:15 -

Nonstop2h 20m

Deal found 16/8£191

Fri 16/1009:25 -

1 stop12h 10m

Mon 19/1014:50 -

1 stop4h 00m

Deal found 15/8£196

Fri 9/1021:20 -

2 stops18h 55m

Sun 11/1020:40 -

2 stops24h 15m

Deal found 13/8£183

Wed 23/913:30 -

1 stop18h 20m

Wed 30/920:40 -

1 stop16h 50m

Deal found 15/8£208

Tue 15/909:15 -

1 stop12h 25m

Wed 23/906:25 -

1 stop7h 10m

Deal found 15/8£198

Sun 27/1207:20 -

Nonstop2h 05m

Sun 3/111:10 -

Nonstop2h 20m

Deal found 17/8£201

Tue 29/918:00 -

1 stop15h 10m

Tue 6/1017:50 -

2 stops23h 25m

Deal found 15/8£183

Thu 15/1009:15 -

1 stop12h 20m

Mon 19/1010:50 -

1 stop7h 35m

Deal found 17/8£198

Tue 29/908:25 -

1 stop24h 45m

Tue 6/1010:25 -

Nonstop2h 20m

Deal found 15/8£201

Tue 22/908:05 -

2 stops23h 45m

Mon 12/1009:25 -

2 stops24h 05m

Deal found 14/8£194

Wed 30/909:15 -

1 stop12h 25m

Wed 7/1006:25 -

1 stop12h 00m

Deal found 16/8£198

Wed 23/917:45 -

1 stop14h 05m

Sun 27/909:45 -

1 stop25h 10m

Deal found 17/8£269

Wed 7/1014:00 -

Nonstop2h 15m

Sat 10/1012:20 -

Nonstop2h 25m

Deal found 15/8£245

Mon 12/1017:10 -

1 stop4h 45m

Wed 14/1014:35 -

2 stops7h 20m

Deal found 16/8£281

Mon 31/807:00 -

Nonstop2h 15m

Fri 4/910:35 -

Nonstop2h 20m

Deal found 13/8£213

Thu 10/908:00 -

2 stops8h 15m

Mon 14/915:15 -

3 stops18h 30m

Deal found 15/8£198

Fri 16/1009:15 -

1 stop12h 20m

Thu 22/1006:25 -

1 stop12h 00m

Deal found 15/8£199

Wed 7/1010:50 -

1 stop7h 40m

Sat 10/1009:45 -

1 stop25h 10m

Deal found 16/8£269

Fri 9/1009:15 -

1 stop12h 20m

Sun 11/1006:25 -

1 stop12h 00m

Deal found 17/8£204

Mon 21/910:50 -

1 stop7h 40m

Thu 24/920:25 -

1 stop14h 30m

Deal found 14/8£274

Find flight deals from London to Slovenia

Round-trip from	£157
One-way from	£33
Popular in	August
Cheapest in	November
Average price	£270
Good round-trip deal	£135 or less
Good one-way deal	£62 or less

SWISS
6/10-11/10
2 total stops
15h 10m total
London to Slovenia

Search Deals

easyJet
7/10
Nonstop
2h 15m total
London to Slovenia

Search Deals

Highest demand for flights based on searches. 24% potential increase in price (£45 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Mon 16/11

13:20-19:55

1 stop5h 35m

Ljubljana Joze Pucnik

Tue 17/11

09:30-12:20

1 stop27h 50m

£158

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Fri 16/10

21:20-17:15

2 stops18h 55m

Ljubljana Joze Pucnik

Sun 18/10

22:20-14:35

2 stops17h 15m

£171

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Sun 6/9

08:05-11:20

Nonstop2h 15m

Ljubljana Joze Pucnik

Wed 9/9

11:05-12:25

Nonstop2h 20m

£180

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Wed 7/10

06:55-12:35

1 stop4h 40m

Ljubljana Joze Pucnik

Sat 10/10

18:30-21:35

1 stop4h 05m

£180

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Fri 9/10

21:20-17:15

2 stops18h 55m

Ljubljana Joze Pucnik

Sun 11/10

20:40-19:55

2 stops24h 15m

£183

LondonLjubljana

LTN London Luton - LJU Ljubljana Joze Pucnik

LTNLJU

London Luton

Tue 29/9

18:00-10:10

1 stop15h 10m

Ljubljana Joze Pucnik

Tue 6/10

17:50-16:15

2 stops23h 25m

£183

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Fri 9/10

17:10-20:30

Nonstop2h 20m

Ljubljana Joze Pucnik

Sun 11/10

21:25-22:45

Nonstop2h 20m

£185

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Wed 23/9

12:10-22:40

1 stop9h 30m

Ljubljana Joze Pucnik

Tue 29/9

10:50-19:20

1 stop9h 30m

£186

LondonLjubljana

LCY London City - LJU Ljubljana Joze Pucnik

LCYLJU

London City

Tue 1/9

10:00-22:55

1 stop11h 55m

Ljubljana Joze Pucnik

Fri 4/9

14:00-19:45

1 stop6h 45m

£187

LondonLjubljana

LGW London Gatwick - LJU Ljubljana Joze Pucnik

LGWLJU

London Gatwick

Mon 26/10

08:30-11:40

Nonstop2h 10m

Ljubljana Joze Pucnik

Sun 1/11

10:50-12:15

Nonstop2h 25m

£189

Flights are sorted by cheapest return flights first.

Deals found on 13/8

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.

LGW-LJU

LTN-LJU

LHR-LJU

LCY-LJU

STN-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

LGW-LJU

LTN-LJU

LHR-LJU

LCY-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 £106). Flying from London to Slovenia in August is currently the most expensive (average of £270). 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 12 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

2,036 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

2,036 reviews

SWISS

7.5

Good

2,036 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

7.3

Good

429 reviews

SWISS

7.5

Good

2,036 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

1,924 reviews

SWISS

7.5

Good

2,036 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

8,196 reviews

SWISS

7.5

Good

2,036 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

8,172 reviews

SWISS

7.5

Good

2,036 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 15m. Fly via easyJet, SWISS, or British Airways to get the fastest option. There are 747 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 Gatwick - 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 £244, our data indicates the cheapest price to be £84. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £156.
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 £106). Flying from London to Slovenia in August is currently the most expensive (average of £270). 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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Top 4 airlines flying from London to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£90	Average£207	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
Lufthansa	Cheapest£146	Average£203	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
SWISS	Cheapest£165	Average£270	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
British Airways	Cheapest£179	Average£281	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 £33

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. 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 17 August 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 17 August 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 17 August 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 17 August 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 17 August 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 17 August 2026.

Last-minute flights from London to SloveniaDiscover last-minute flight deals from London to Slovenia. Data last updated 17 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Slovenia. Data last updated 17 August 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 17 August 2026.

Search for one-way flight options from London to Slovenia. Find affordable one-way fares based on user searches. Data last updated 17 August 2026.

Find flight deals from London to Slovenia

Round-trip from

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 17 August 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 12 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 17 August 2026.

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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 17 August 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 17 August 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 17 August 2026.

Last-minute flights from London to Slovenia
Discover last-minute flight deals from London to Slovenia. Data last updated 17 August 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 17 August 2026.