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Cheap flights from London to Slovenia from £61

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LJU
23 Jul — 30 Jul1
1 adult

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 18 July 2025.

Round-trip from

£151

One-way from

£61

Popular in

September

Cheapest in

March

Average price

£224

Good round-trip deal

£184 or less

Good one-way deal

£59 or less
14/9-22/9
  • 14/9-22/9
  • 2 total stops
  • 34h 10m total
  • London to Slovenia
Search Deals
easyJet
  • easyJet
  • 15/10
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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

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 18 July 2025.

Sun 14/917:25LGW - LJU
Nonstop2h 05mMultiple Airlines
Mon 22/913:35LJU - LGW
2 stops32h 05mMultiple Airlines
Deal found 16/7£151
Sun 31/817:30LGW - LJU
Nonstop2h 15measyJet
Tue 9/910:35LJU - LGW
Nonstop2h 20measyJet
Deal found 16/7£154
Wed 27/813:45LHR - LJU
1 stop4h 40mMultiple Airlines
Wed 3/918:35LJU - LHR
1 stop4h 00mMultiple Airlines
Deal found 18/7£160
Wed 1/1007:25LHR - LJU
1 stop4h 15mLufthansa
Wed 8/1013:20LJU - LHR
1 stop6h 05mLufthansa
Deal found 17/7£161
Fri 12/911:05LHR - LJU
1 stop5h 40mBrussels Airlines
Fri 26/918:35LJU - LHR
1 stop4h 00mBrussels Airlines
Deal found 18/7£163
Sat 13/911:50STN - LJU
2 stops19h 05mMultiple Airlines
Sun 21/908:25LJU - STN
2 stops16h 25mMultiple Airlines
Deal found 16/7£166
Wed 3/918:40LHR - LJU
1 stop14h 25mSWISS
Wed 17/919:25LJU - LHR
1 stop13h 30mSWISS
Deal found 16/7£171
Sat 13/913:30LHR - LJU
1 stop18h 30mAir Serbia
Tue 16/920:45LJU - LHR
1 stop16h 45mAir Serbia
Deal found 16/7£176
Tue 12/818:35LGW - LJU
1 stop14h 30mSWISS
Tue 19/810:50LJU - LGW
1 stop8h 00mSWISS
Deal found 16/7£177
Fri 12/921:20LTN - LJU
2 stops14h 15mMultiple Airlines
Mon 15/913:20LJU - LTN
2 stops32h 20mMultiple Airlines
Deal found 16/7£178
Tue 30/909:25LCY - LJU
1 stop8h 10mSWISS
Wed 8/1010:50LJU - LCY
1 stop7h 40mSWISS
Deal found 17/7£189
Thu 25/906:30LHR - LJU
1 stop5h 05mLOT
Sun 28/913:20LJU - LHR
1 stop21h 00mLOT
Deal found 17/7£204

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 18 July 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

Sun 14/9

17:25-20:30

Nonstop2h 05m

Ljubljana Joze Pucnik

Mon 22/9

13:35-20:40

2 stops32h 05m

£151

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Sun 31/8

17:30-20:45

Nonstop2h 15m

Ljubljana Joze Pucnik

Tue 9/9

10:35-11:55

Nonstop2h 20m

£154

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 27/8

13:45-19:25

1 stop4h 40m

Ljubljana Joze Pucnik

Wed 3/9

18:35-21:35

1 stop4h 00m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 1/10

07:25-12:40

1 stop4h 15m

Ljubljana Joze Pucnik

Wed 8/10

13:20-18:25

1 stop6h 05m

£161

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 12/9

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Fri 26/9

18:35-21:35

1 stop4h 00m

£163

LondonLjubljana

STN - LJU

STNLJU

London Stansted

Sat 13/9

11:50-07:55

2 stops19h 05m

Ljubljana Joze Pucnik

Sun 21/9

08:25-23:50

2 stops16h 25m

£166

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 3/9

18:40-10:05

1 stop14h 25m

Ljubljana Joze Pucnik

Wed 17/9

19:25-07:55

1 stop13h 30m

£171

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 13/9

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Tue 16/9

20:45-12:30

1 stop16h 45m

£176

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Tue 12/8

18:35-10:05

1 stop14h 30m

Ljubljana Joze Pucnik

Tue 19/8

10:50-17:50

1 stop8h 00m

£177

LondonLjubljana

LTN - LJU

LTNLJU

London Luton

Fri 12/9

21:20-12:35

2 stops14h 15m

Ljubljana Joze Pucnik

Mon 15/9

13:20-20:40

2 stops32h 20m

£178

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 37 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, January is the cheapest month in which you can book a flight from London to Slovenia (average of £103). Flying from London to Slovenia in July is currently the most expensive (average of £324). 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 18 July 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 14% versus a flight at midday.

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 18 July 2025.
Get a feel of what it's like to fly with KLM, Norwegian, andLOT 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.
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,374 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Norwegian
7.8
Good
233 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,099 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,465 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,661 reviews
KLM
7.8
Good
1,374 reviews
Check prices

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

  • 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 £61. Air Serbia flights start at £89 while deals on SWISS start at £95 one-way.

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

    While some choose either London Gatwick - Ljubljana Joze Pucnik or London City - 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 £311, our data indicates the cheapest price to be £250. 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, January is the cheapest month in which you can book a flight from London to Slovenia (average of £103). Flying from London to Slovenia in July is currently the most expensive (average of £324). 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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Top 6 airlines flying from London to Slovenia

Discover the top 6 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£68Average£165FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£135Average£288FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£142Average£193FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£146Average£257FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LOTCheapest£147Average£229FlexibilityNo cancel feeOn-time81%
Search LOT flights
SWISSCheapest£151Average£200FlexibilityNo cancel feeOn-time79%
Search SWISS 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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