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Cheap flights from London Heathrow Airport to Slovenia from £83

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 20/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LJU
30 Mar — 6 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 25 March 2025.

Round-trip from

£152

One-way from

£83

Popular in

September

Cheapest in

March

Average price

£137

Good round-trip deal

£246 or less

Good one-way deal

£158 or less
British Airways
  • British Airways
  • 14/5-16/5
  • 1 total stop
  • 28h 00m total
  • London to Slovenia
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British Airways
  • British Airways
  • 20/4
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£24 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 March 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 25 March 2025.

Fri 3/1017:10LHR - LJU
Nonstop2h 10mBritish Airways
Fri 10/1021:05LJU - LHR
Nonstop2h 20mBritish Airways
Deal found 25/3£153
Tue 22/411:05LHR - LJU
1 stop5h 40mMultiple Airlines
Tue 29/409:35LJU - LHR
1 stop7h 05mMultiple Airlines
Deal found 25/3£157
Thu 6/1113:20LHR - LJU
1 stop24h 05mAir Serbia
Sun 9/1109:45LJU - LHR
1 stop27h 35mAir Serbia
Deal found 25/3£158
Wed 27/809:00LHR - LJU
1 stop9h 25mLufthansa
Mon 1/910:15LJU - LHR
1 stop7h 25mLufthansa
Deal found 25/3£159
Sat 17/511:05LHR - LJU
1 stop4h 20mBrussels Airlines
Tue 20/518:35LJU - LHR
1 stop4h 00mBrussels Airlines
Deal found 25/3£167
Thu 1/517:10LHR - LJU
1 stop15h 55mSWISS
Mon 5/510:50LJU - LHR
1 stop9h 30mSWISS
Deal found 25/3£168
Mon 31/306:30LHR - LJU
1 stop5h 05mLOT
Thu 3/417:05LJU - LHR
1 stop25h 15mLOT
Deal found 25/3£203
Fri 6/620:55LHR - LJU
2 stops13h 40mKLM
Tue 10/609:05LJU - LHR
1 stop8h 10mKLM
Deal found 25/3£266

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 25 March 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

Tue 22/4

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Tue 29/4

09:35-15:40

1 stop7h 05m

£157

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 17/9

13:30-08:55

1 stop18h 25m

Ljubljana Joze Pucnik

Sun 21/9

14:55-12:30

1 stop22h 35m

£158

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 27/8

09:00-19:25

1 stop9h 25m

Ljubljana Joze Pucnik

Mon 1/9

10:15-16:40

1 stop7h 25m

£159

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 17/5

11:05-16:25

1 stop4h 20m

Ljubljana Joze Pucnik

Tue 20/5

18:35-21:35

1 stop4h 00m

£167

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 1/5

17:10-10:05

1 stop15h 55m

Ljubljana Joze Pucnik

Mon 5/5

10:50-19:20

1 stop9h 30m

£168

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 16/4

06:30-12:35

1 stop5h 05m

Ljubljana Joze Pucnik

Sat 19/4

13:20-09:20

1 stop21h 00m

£204

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 12/9

17:10-20:20

Nonstop2h 10m

Ljubljana Joze Pucnik

Sun 21/9

21:25-22:45

Nonstop2h 20m

£244

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 6/6

20:55-11:35

2 stops13h 40m

Ljubljana Joze Pucnik

Tue 10/6

09:05-16:15

1 stop8h 10m

£266

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 20/4

17:25-20:40

Nonstop2h 15m

£83

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 17/5

19:55-20:00

1 stop23h 05m

£87

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 25 March 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 25 March 2025.
See what other customers who have flown with KLM, LOT and SWISS 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
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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
1,569 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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
344 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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.
Lufthansa
6.7
Okay
6,950 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Food

7.3

Boarding

7.8

Crew

8.4

Overall

7.8

Entertainment

7.1

Comfort

7.7

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 British Airways, with whom users have recently found tickets for as low as £83. However, be on the lookout for offers from Air Serbia and KLM, 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 £92. On average you can expect to pay £233. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £150.

  • 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£71Average£154FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£134Average£292FlexibilityNo cancel feeOn-time70%
Search British Airways flights
SWISSCheapest£142Average£203FlexibilityNo cancel feeOn-time79%
Search SWISS flights
LufthansaCheapest£146Average£217FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£151Average£209FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LOTCheapest£155Average£220FlexibilityNo 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 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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