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Cheap flights from London Heathrow Airport to Slovenia from £90

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LJU
21 Apr — 28 Apr1
1 adult

Cheap flight deals from Heathrow to Slovenia

Keep the following information in mind while searching for Heathrow to Slovenia flight deals. Data was last updated 16 April 2025.

Round-trip from

£154

One-way from

£90

Popular in

August

Cheapest in

March

Average price

£145

Good round-trip deal

£267 or less

Good one-way deal

£95 or less
Lufthansa
  • Lufthansa
  • 30/5-6/6
  • 2 total stops
  • 16h 55m total
  • London to Slovenia
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Eurowings
  • Eurowings
  • 16/5
  • 1 total stop
  • 22h 35m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£46 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Slovenia.
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Price to beat on a one-way flight from London Heathrow to Slovenia.
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Find flight deals from Heathrow to Slovenia

Cheapest flights from Heathrow to Slovenia
Explore the most affordable flight options available from Heathrow to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 April 2025.

Fri 30/518:40LHR - LJU
1 stop12h 35mMultiple Airlines
Fri 6/609:30LJU - LHR
1 stop4h 20mMultiple Airlines
Deal found 14/4£154
Thu 29/513:45LHR - LJU
1 stop19h 20mSWISS
Thu 5/610:50LJU - LHR
1 stop6h 35mSWISS
Deal found 14/4£156
Sat 4/1007:00LHR - LJU
Nonstop2h 10mBritish Airways
Sat 11/1011:00LJU - LHR
Nonstop2h 25mBritish Airways
Deal found 15/4£157
Thu 6/1113:20LHR - LJU
1 stop5h 35mAir Serbia
Sun 9/1109:45LJU - LHR
1 stop27h 35mAir Serbia
Deal found 14/4£157
Sat 17/511:05LHR - LJU
1 stop4h 20mBrussels Airlines
Tue 20/518:35LJU - LHR
1 stop4h 00mBrussels Airlines
Deal found 15/4£163
Fri 30/510:30LHR - LJU
1 stop10h 30mLufthansa
Fri 6/609:30LJU - LHR
1 stop4h 20mLufthansa
Deal found 14/4£166
Thu 1/519:45LHR - LJU
1 stop14h 20mAir France
Tue 6/512:20LJU - LHR
1 stop10h 05mAir France
Deal found 15/4£183
Fri 13/606:30LHR - LJU
1 stop8h 50mLOT
Sun 15/617:05LJU - LHR
1 stop5h 55mLOT
Deal found 14/4£210

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 16 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Slovenia that are best for you.

Fly from

Heathrow

Fly to

Slovenia

Route

Depart

Return

Price

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 30/5

18:40-08:15

1 stop12h 35m

Ljubljana Joze Pucnik

Fri 6/6

09:30-12:50

1 stop4h 20m

£154

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 29/5

13:45-10:05

1 stop19h 20m

Ljubljana Joze Pucnik

Thu 5/6

10:50-16:25

1 stop6h 35m

£156

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 4/10

07:00-10:10

Nonstop2h 10m

Ljubljana Joze Pucnik

Sat 11/10

11:00-12:25

Nonstop2h 25m

£157

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 17/5

11:05-16:25

1 stop4h 20m

Ljubljana Joze Pucnik

Sat 24/5

17:10-20:55

1 stop4h 45m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 30/5

10:30-22:00

1 stop10h 30m

Ljubljana Joze Pucnik

Fri 6/6

09:30-12:50

1 stop4h 20m

£166

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 1/5

19:45-11:05

1 stop14h 20m

Ljubljana Joze Pucnik

Tue 6/5

12:20-21:25

1 stop10h 05m

£183

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 13/6

06:30-16:20

1 stop8h 50m

Ljubljana Joze Pucnik

Sun 15/6

17:05-22:00

1 stop5h 55m

£210

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 16/5

08:05-07:40

1 stop22h 35m

£90

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 21/5

15:05-17:45

1 stop25h 40m

£97

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 4/9

20:55-08:10

1 stop10h 15m

£98

Flights are sorted by cheapest return flights first.

Deals found on 14/4

Showing 1-10 of 17 results
1
2

Best time to book a flight from Heathrow to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Heathrow 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 Heathrow Airport to Slovenia

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £103). Flying from London Heathrow Airport 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 LHR to SI?

Find hourly flight availability from Heathrow 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 16 April 2025.

One of the essential ways to save on airfare from London Heathrow Airport to Slovenia is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at midday could potentially save you up to 11% on airfare.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

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.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

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).

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 16 April 2025.
See what other customers who have flown with KLM, LOT and Air France from London to Slovenia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,323 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,065 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.5
Good
1,435 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,580 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Brussels Airlines
7.4
Good
345 reviews
KLM
7.8
Good
1,323 reviews
Check prices

Food

7.3

Crew

8.4

Boarding

7.8

Entertainment

7.1

Comfort

7.7

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow Airport to Slovenia one-way?

    The cheapest airline one-way is Eurowings, with whom users have recently found tickets for as low as £90. However, be on the lookout for offers from KLM and Air Serbia, as they are both options that can get you from London Heathrow Airport to Slovenia for a low price.

  • What are the cheapest flights from London Heathrow Airport to Slovenia?

    The cheapest flight price from London Heathrow Airport to Slovenia is £79. On average you can expect to pay £267. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £133.

  • Can I find deals for flights from Heathrow to Slovenia that include hotel bookings?

    Yes. In addition to deals on Heathrow to Slovenia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Slovenia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Slovenia.

  • Can I find deals for business class flights from Heathrow to Slovenia?

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Slovenia?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £103). Flying from London Heathrow Airport 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

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Top 6 airlines flying from Heathrow to Slovenia

Discover the top 6 airlines that operate flights from Heathrow 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 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£66Average£150FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£137Average£288FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£143Average£211FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£148Average£205FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LOTCheapest£149Average£221FlexibilityNo cancel feeOn-time81%
Search LOT flights
SWISSCheapest£153Average£202FlexibilityNo cancel feeOn-time79%
Search SWISS flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Slovenia?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Slovenia from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Slovenia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Slovenia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Slovenia with no change fees?

Certainly. Search results for flights to Slovenia from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Heathrow to Slovenia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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