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Cheap flights from London to Slovenia from £39

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LJU
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Slovenia

Keep the following information in mind while searching for London to Slovenia flight deals. Data was last updated 2 December 2025.

Round-trip from

£110

One-way from

£39

Popular in

August

Cheapest in

March

Average price

£214

Good round-trip deal

£132 or less

Good one-way deal

£94 or less
easyJet
  • easyJet
  • 6/3-9/3
  • Nonstop
  • 4h 40m total
  • London to Slovenia
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easyJet
  • easyJet
  • 15/4
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£32 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from London (LON) to Slovenia.
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Price to beat on a one-way flight from London (LON) to Slovenia.
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Find flight deals from London to Slovenia

Enter your travel dates to find the best prices.

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 2 December 2025.

Wed 31/1217:00LGW - LJU
Nonstop2h 10measyJet
Wed 7/120:55LJU - LGW
Nonstop2h 25measyJet
Deal found 1/12£111
Sat 6/1213:20LGW - LJU
Nonstop2h 10measyJet
Tue 9/1220:55LJU - LGW
Nonstop2h 25measyJet
Deal found 1/12£113
Tue 9/1217:10LGW - LJU
Nonstop2h 10measyJet
Sat 13/1217:10LJU - LGW
Nonstop2h 25measyJet
Deal found 29/11£126
Fri 26/1219:15LHR - LJU
1 stop12h 50mLufthansa
Sun 11/106:35LJU - LHR
1 stop10h 15mLufthansa
Deal found 30/11£154
Fri 12/1205:50LGW - LJU
Nonstop2h 15measyJet
Tue 16/1220:55LJU - LGW
Nonstop2h 25measyJet
Deal found 1/12£155
Fri 12/1205:50LGW - LJU
Nonstop2h 15mMultiple Airlines
Tue 16/1219:25LJU - LGW
1 stop13h 25mMultiple Airlines
Deal found 1/12£166
Wed 31/1206:00LHR - LJU
1 stop7h 05mMultiple Airlines
Wed 7/110:00LJU - LHR
1 stop6h 50mMultiple Airlines
Deal found 1/12£167
Tue 9/1211:00LGW - LJU
2 stops25h 35mMultiple Airlines
Sat 13/1217:10LJU - LGW
Nonstop2h 25mMultiple Airlines
Deal found 29/11£169
Tue 30/1206:00LHR - LJU
1 stop7h 05mMultiple Airlines
Tue 6/110:35LJU - LHR
1 stop6h 15mMultiple Airlines
Deal found 30/11£171
Tue 9/1217:35LHR - LJU
1 stop17h 05mAir France
Sat 13/1212:25LJU - LHR
1 stop6h 55mAir France
Deal found 29/11£176
Tue 9/1215:45STN - LJU
1 stop18h 40mMultiple Airlines
Sat 13/1210:25LJU - STN
2 stops10h 45mMultiple Airlines
Deal found 29/11£181
Wed 31/1217:00LGW - LJU
Nonstop2h 10mMultiple Airlines
Wed 7/114:55LJU - LGW
1 stop3h 55mMultiple Airlines
Deal found 1/12£181

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Slovenia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 December 2025.
Use the filters below to find and compare flights from London to Slovenia that are best for you.

Fly from

London

Fly to

Slovenia

Route

Depart

Return

Price

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Fri 6/3

07:05-10:20

Nonstop2h 15m

Ljubljana Joze Pucnik

Mon 9/3

19:45-21:10

Nonstop2h 25m

£110

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Mon 5/1

16:00-19:10

Nonstop2h 10m

Ljubljana Joze Pucnik

Sun 11/1

13:45-15:10

Nonstop2h 25m

£111

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Fri 23/1

14:35-13:10

2 stops21h 35m

Ljubljana Joze Pucnik

Fri 30/1

10:55-12:20

Nonstop2h 25m

£118

LondonLjubljana

LTN - LJU

LTNLJU

London Luton

Fri 30/1

14:40-13:10

2 stops21h 30m

Ljubljana Joze Pucnik

Sat 7/2

13:45-00:30

1 stop11h 45m

£123

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Fri 16/1

08:40-13:10

2 stops27h 30m

Ljubljana Joze Pucnik

Fri 23/1

10:55-12:20

Nonstop2h 25m

£123

LondonLjubljana

STN - LJU

STNLJU

London Stansted

Fri 30/1

23:20-10:05

1 stop9h 45m

Ljubljana Joze Pucnik

Sat 7/2

10:50-22:15

1 stop12h 25m

£132

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Mon 5/1

16:00-19:10

Nonstop2h 10m

Ljubljana Joze Pucnik

Sun 11/1

16:00-22:35

1 stop7h 35m

£132

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Sun 31/5

08:00-11:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Thu 4/6

11:00-12:20

Nonstop2h 20m

£134

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Thu 15/1

06:45-14:30

1 stop6h 45m

Ljubljana Joze Pucnik

Thu 22/1

14:00-23:30

2 stops10h 30m

£141

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Sun 25/1

13:50-10:05

2 stops19h 15m

Ljubljana Joze Pucnik

Fri 30/1

10:55-12:20

Nonstop2h 25m

£141

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 60 results
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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.
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

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

Currently, February is the cheapest month in which you can book a flight from London to Slovenia (average of £45). Flying from London to Slovenia in July is currently the most expensive (average of £135). 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?

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 2 December 2025.

When flying from London to Slovenia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 71% versus a flight in the evening.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Slovenia. Reviews last updated 2 December 2025.
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
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
SWISS
7.5
Good
1,798 reviews
SWISS
7.5
Good
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Brussels Airlines
7.2
Good
373 reviews
SWISS
7.5
Good
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
easyJet
6.9
Okay
1,848 reviews
SWISS
7.5
Good
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
Lufthansa
6.8
Okay
7,602 reviews
SWISS
7.5
Good
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.
British Airways
6.7
Okay
7,549 reviews
SWISS
7.5
Good
1,798 reviews
Check prices

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Overall

7.5

Crew

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

Leonardo,Aug 2025

AMS - ZRH

Amazing alternative from Europe to Hong Kong. Quick connection (even with a non-European passport) and friendly staff that helped me and my family.

Related info for your journey

Find useful and relevant information for your journey from London to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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, Pegasus Airlines, or Lufthansa 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 cheapest airlines to fly from London to Slovenia one-way?

    To fly one-way, consider booking your trip with easyJet, which is currently one of the cheapest options available, starting at £39. British Airways flights start at £85 while deals on Air Serbia start at £91 one-way.

  • What are the most popular routes from London to Slovenia?

    While some choose either London City - Ljubljana Joze Pucnik or London Gatwick - 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 £272, our data indicates the cheapest price to be £221. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £142.

  • 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, February is the cheapest month in which you can book a flight from London to Slovenia (average of £45). Flying from London to Slovenia in July is currently the most expensive (average of £135). 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

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Alternative routes for London to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from London to Slovenia

Discover the top 5 airlines that operate flights from London to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£82Average£188FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£149Average£293FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£151Average£199FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£151Average£245FlexibilityNo cancel feeOn-time81%
Search LOT flights
Brussels AirlinesCheapest£158Average£238FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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

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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