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Cheap flights from London to Slovenia from £38

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LJU
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 22 March 2026.

Wed 29/407:05
LGW
-
LJU
Nonstop2h 15m
easyJet
Sun 3/511:55
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 18/3£129
Sun 19/408:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Thu 23/411:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 17/3£130
Sat 11/417:35
LGW
-
LJU
Nonstop2h 15m
easyJet
Tue 14/410:25
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 18/3£133
Mon 4/507:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Mon 11/511:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 20/3£136
Sat 25/417:35
LGW
-
LJU
Nonstop2h 15m
easyJet
Wed 29/411:05
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 18/3£139
Thu 7/507:05
LGW
-
LJU
Nonstop2h 15m
easyJet
Mon 11/511:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 19/3£139
Sun 5/408:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Sat 18/421:35
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 19/3£141
Tue 5/506:25
LGW
-
LJU
Nonstop2h 15m
easyJet
Sun 10/511:55
LJU
-
LGW
Nonstop2h 20m
easyJet
Deal found 21/3£142
Sat 10/1007:35
LHR
-
LJU
Nonstop2h 10m
British Airways
Wed 14/1018:00
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 19/3£143
Mon 18/507:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Sat 23/521:30
LJU
-
LGW
Nonstop2h 25m
easyJet
Deal found 20/3£143
Sun 7/605:40
LTN
-
LJU
1 stop7h 50m
Multiple Airlines
Thu 11/619:40
LJU
-
LTN
1 stop16h 20m
Multiple Airlines
Deal found 21/3£144
Sat 7/1106:35
LHR
-
LJU
1 stop5h 05m
Lufthansa
Wed 11/1110:35
LJU
-
LHR
1 stop7h 15m
Lufthansa
Deal found 18/3£148

Find flight deals from London to Slovenia

Keep the following information in mind while searching for London to Slovenia flight deals. Data was last updated 22 March 2026.

Round-trip from

£129

One-way from

£38

Popular in

August

Cheapest in

November

Average price

£163

Good round-trip deal

£142 or less

Good one-way deal

£70 or less
easyJet
  • easyJet
  • 29/4-3/5
  • Nonstop
  • 4h 35m total
  • London to Slovenia
Search Deals
easyJet
  • easyJet
  • 19/4
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£36 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 March 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

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 22 March 2026.
Use the filters below to find and compare flights from London to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Wed 29/4

07:05-10:20

Nonstop2h 15m

Ljubljana Joze Pucnik

Sun 3/5

11:55-13:15

Nonstop2h 20m

£129

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Tue 5/5

06:25-09:40

Nonstop2h 15m

Ljubljana Joze Pucnik

Sun 10/5

11:55-13:15

Nonstop2h 20m

£142

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Mon 20/4

07:00-10:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Thu 23/4

11:00-12:20

Nonstop2h 20m

£154

LondonLjubljana

LTN - LJU

LTNLJU

London Luton

Sat 9/5

12:45-07:45

2 stops18h 00m

Ljubljana Joze Pucnik

Fri 15/5

20:15-15:45

2 stops20h 30m

£162

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 17/4

17:10-20:30

Nonstop2h 20m

Ljubljana Joze Pucnik

Sun 19/4

21:25-22:45

Nonstop2h 20m

£166

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Fri 15/5

06:40-09:55

Nonstop2h 15m

Ljubljana Joze Pucnik

Sun 17/5

11:55-13:15

Nonstop2h 20m

£166

LondonLjubljana

LTN - LJU

LTNLJU

London Luton

Tue 19/5

07:00-20:05

2 stops12h 05m

Ljubljana Joze Pucnik

Wed 27/5

14:00-22:10

1 stop9h 10m

£168

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 10/4

17:10-20:30

Nonstop2h 20m

Ljubljana Joze Pucnik

Wed 15/4

18:00-19:20

Nonstop2h 20m

£172

LondonLjubljana

LCY - LJU

LCYLJU

London City

Sat 25/4

09:00-23:05

1 stop13h 05m

Ljubljana Joze Pucnik

Sun 3/5

06:25-13:45

1 stop8h 20m

£191

LondonLjubljana

LGW - LJU

LGWLJU

London Gatwick

Mon 6/4

07:00-10:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Fri 10/4

10:35-11:55

Nonstop2h 20m

£193

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 £52). Flying from London to Slovenia in July is currently the most expensive (average of £149). 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 22 March 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.

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 22 March 2026.
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
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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
1,901 reviews
SWISS
7.5
Good
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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
391 reviews
SWISS
7.5
Good
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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
1,887 reviews
SWISS
7.5
Good
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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
7,861 reviews
SWISS
7.5
Good
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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
7,806 reviews
SWISS
7.5
Good
1,901 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

6.8

Food

7.1

Comfort

7.4

Crew

8.3

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

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, British Airways, or SWISS 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 £40. British Airways flights start at £81 while deals on Lufthansa start at £96 one-way.

  • 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 £295, our data indicates the cheapest price to be £182. The most popular route (London Heathrow - Ljubljana Joze Pucnik), is priced around £149.

  • 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 £52). Flying from London to Slovenia in July is currently the most expensive (average of £149). 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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£87Average£168FlexibilityNo cancel feeOn-time86%
Search easyJet flights
LOTCheapest£150Average£243FlexibilityNo cancel feeOn-time81%
Search LOT flights
Brussels AirlinesCheapest£156Average£258FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LufthansaCheapest£158Average£213FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£168Average£212FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£185Average£295FlexibilityNo cancel feeOn-time70%
Search British Airways 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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