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Cheap flights from London to Slovenia from £81

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LJU
9 Jul — 16 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 4 July 2025.

Round-trip from

£137

One-way from

£81

Popular in

September

Cheapest in

March

Average price

£220

Good round-trip deal

£199 or less

Good one-way deal

£70 or less
easyJet
  • easyJet
  • 10/9-17/9
  • Nonstop
  • 4h 35m total
  • London to Slovenia
Search Deals
easyJet
  • easyJet
  • 19/8
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (£27 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 July 2025
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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.
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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 4 July 2025.

Wed 10/907:00LGW - LJU
Nonstop2h 15measyJet
Wed 17/911:00LJU - LGW
Nonstop2h 20measyJet
Deal found 3/7£137
Mon 6/1011:00LHR - LJU
Nonstop2h 15mBritish Airways
Fri 10/1021:05LJU - LHR
Nonstop2h 20mBritish Airways
Deal found 1/7£140
Wed 27/807:05LGW - LJU
Nonstop2h 15mMultiple Airlines
Mon 1/908:45LJU - LGW
1 stop25h 30mMultiple Airlines
Deal found 2/7£152
Sun 5/1013:30LHR - LJU
1 stop5h 30mAir Serbia
Sun 12/1009:40LJU - LHR
1 stop10h 00mAir Serbia
Deal found 3/7£156
Mon 6/1020:25LHR - LJU
1 stop11h 35mLufthansa
Mon 13/1013:20LJU - LHR
1 stop7h 20mLufthansa
Deal found 2/7£158
Sun 14/921:20LTN - LJU
2 stops10h 40mMultiple Airlines
Fri 19/913:35LJU - LTN
1 stop13h 30mMultiple Airlines
Deal found 2/7£166
Tue 26/811:05LHR - LJU
1 stop5h 40mBrussels Airlines
Thu 4/918:35LJU - LHR
1 stop4h 00mBrussels Airlines
Deal found 2/7£166
Fri 12/920:05LHR - LJU
1 stop11h 10mMultiple Airlines
Fri 26/918:35LJU - LHR
1 stop4h 00mMultiple Airlines
Deal found 1/7£167
Fri 12/918:40LGW - LJU
1 stop12h 35mSWISS
Tue 16/910:50LJU - LGW
1 stop8h 00mSWISS
Deal found 3/7£167
Fri 12/920:05LHR - LJU
1 stop11h 10mSWISS
Tue 16/910:50LJU - LHR
1 stop11h 55mSWISS
Deal found 3/7£170
Fri 12/909:25LCY - LJU
1 stop21h 50mSWISS
Tue 16/919:20LJU - LCY
1 stop14h 30mSWISS
Deal found 3/7£189
Mon 6/1006:15STN - LJU
2 stops25h 45mMultiple Airlines
Mon 13/1008:45LJU - STN
1 stop11h 15mMultiple Airlines
Deal found 2/7£189

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 4 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

Wed 10/9

07:00-10:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Wed 17/9

11:00-12:20

Nonstop2h 20m

£137

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 6/10

11:00-14:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Fri 10/10

21:05-22:25

Nonstop2h 20m

£140

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Wed 27/8

07:05-10:20

Nonstop2h 15m

Ljubljana Joze Pucnik

Mon 1/9

08:45-09:15

1 stop25h 30m

£152

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 5/10

13:30-20:00

1 stop5h 30m

Ljubljana Joze Pucnik

Sun 12/10

09:40-18:40

1 stop10h 00m

£156

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 6/10

20:25-09:00

1 stop11h 35m

Ljubljana Joze Pucnik

Mon 13/10

13:20-19:40

1 stop7h 20m

£158

LondonLjubljana

LTN - LJU

LTNLJU

London Luton

Sun 14/9

21:20-09:00

2 stops10h 40m

Ljubljana Joze Pucnik

Fri 19/9

13:35-02:05

1 stop13h 30m

£166

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 26/8

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Thu 4/9

18:35-21:35

1 stop4h 00m

£166

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Fri 12/9

18:40-08:15

1 stop12h 35m

Ljubljana Joze Pucnik

Tue 16/9

10:50-17:50

1 stop8h 00m

£167

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 12/9

20:05-08:15

1 stop11h 10m

Ljubljana Joze Pucnik

Fri 26/9

18:35-21:35

1 stop4h 00m

£167

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 12/9

20:05-08:15

1 stop11h 10m

Ljubljana Joze Pucnik

Tue 16/9

10:50-21:45

1 stop11h 55m

£170

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 39 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 £327). 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 4 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 15% 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 4 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
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,367 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
229 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,092 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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
1,654 reviews
KLM
7.8
Good
1,367 reviews
Check prices

Comfort

7.7

Food

7.2

Overall

7.8

Crew

8.4

Entertainment

7.1

Boarding

7.8

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 £81. Air Serbia flights start at £89 while deals on Norwegian start at £89 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 £282, our data indicates the cheapest price to be £174. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £135.

  • 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 £327). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£64Average£160FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£132Average£282FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£134Average£193FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£139Average£194FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£143Average£230FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LOTCheapest£144Average£224FlexibilityNo cancel feeOn-time81%
Search LOT 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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