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Cheap flights from London Heathrow Airport to Slovenia from £79

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LJU
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Heathrow to Slovenia

Enter your travel dates to find the best prices.

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 27 November 2025.

Mon 15/1206:30LHR - LJU
1 stop5h 35mLOT
Fri 19/1213:45LJU - LHR
1 stop20h 50mLOT
Deal found 26/11£160
Mon 15/1206:30LHR - LJU
1 stop5h 35mMultiple Airlines
Tue 16/1220:45LJU - LHR
1 stop16h 35mMultiple Airlines
Deal found 25/11£171
Mon 15/1206:30LHR - LJU
1 stop5h 35mLOT
Sat 20/1217:10LJU - LHR
1 stop5h 50mLOT
Deal found 25/11£175
Mon 8/1208:30LHR - LJU
1 stop12h 40mLufthansa
Fri 12/1220:10LJU - LHR
1 stop3h 45mLufthansa
Deal found 24/11£180
Tue 2/1213:20LHR - LJU
1 stop18h 35mAir Serbia
Tue 9/1220:45LJU - LHR
1 stop16h 35mAir Serbia
Deal found 25/11£180
Wed 3/1220:05LHR - LJU
1 stop16h 30mMultiple Airlines
Tue 9/1210:35LJU - LHR
1 stop6h 15mMultiple Airlines
Deal found 25/11£186
Tue 16/1206:30LHR - LJU
1 stop9h 00mLOT
Fri 19/1213:45LJU - LHR
1 stop20h 50mLOT
Deal found 25/11£188
Thu 4/1206:00LHR - LJU
1 stop6h 35mMultiple Airlines
Mon 8/1220:10LJU - LHR
1 stop3h 45mMultiple Airlines
Deal found 25/11£190
Fri 5/1220:15LHR - LJU
1 stop11h 50mLufthansa
Sun 7/1206:35LJU - LHR
1 stop4h 10mLufthansa
Deal found 25/11£192
Thu 4/1206:00LHR - LJU
1 stop6h 35mMultiple Airlines
Tue 9/1210:35LJU - LHR
1 stop5h 10mMultiple Airlines
Deal found 25/11£195
Wed 24/1218:40LHR - LJU
1 stop17h 55mMultiple Airlines
Wed 31/1210:35LJU - LHR
1 stop6h 15mMultiple Airlines
Deal found 26/11£196

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 27 November 2025.

Round-trip from

£144

One-way from

£79

Popular in

August

Cheapest in

March

Average price

£147

Good round-trip deal

£262 or less
Lufthansa
  • Lufthansa
  • 16/1-19/1
  • 2 total stops
  • 11h 45m total
  • London to Slovenia
Search Deals
British Airways
  • British Airways
  • 26/4
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£33 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 November 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Slovenia.
Search Deals

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 27 November 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

Thu 5/2

13:50-19:30

1 stop4h 40m

Ljubljana Joze Pucnik

Mon 9/2

09:45-15:50

1 stop7h 05m

£148

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 9/1

19:15-09:05

1 stop12h 50m

Ljubljana Joze Pucnik

Fri 16/1

09:45-18:35

1 stop9h 50m

£150

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 27/2

17:10-22:30

1 stop4h 20m

Ljubljana Joze Pucnik

Thu 12/3

20:10-22:55

1 stop3h 45m

£159

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 2/3

17:10-22:25

1 stop4h 15m

Ljubljana Joze Pucnik

Mon 23/3

20:10-22:55

1 stop3h 45m

£159

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 15/12

06:30-13:05

1 stop5h 35m

Ljubljana Joze Pucnik

Fri 19/12

13:45-09:35

1 stop20h 50m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 15/2

13:20-19:55

1 stop5h 35m

Ljubljana Joze Pucnik

Fri 20/2

20:45-12:20

1 stop16h 35m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 19/2

13:20-08:25

1 stop18h 05m

Ljubljana Joze Pucnik

Sun 22/2

20:45-12:20

1 stop16h 35m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 14/2

13:20-08:55

1 stop18h 35m

Ljubljana Joze Pucnik

Sun 22/2

20:45-12:20

1 stop16h 35m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 9/1

13:20-08:55

1 stop18h 35m

Ljubljana Joze Pucnik

Fri 16/1

20:45-12:20

1 stop16h 35m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 14/2

13:20-08:55

1 stop18h 35m

Ljubljana Joze Pucnik

Fri 20/2

20:45-12:20

1 stop16h 35m

£163

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 24 results
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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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £117). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £184). 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 27 November 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 46% on airfare.

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 27 November 2025.
Check out reviews from past customers who have flown with LOT, Brussels Airlines, andeasyJet from London Heathrow Airport to Slovenia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
LOT
7.5
Good
1,140 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Brussels Airlines
7.2
Good
370 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
easyJet
6.9
Okay
1,848 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
Lufthansa
6.8
Okay
7,594 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights
British Airways
6.7
Okay
7,539 reviews
LOT
7.5
Good
1,140 reviews
Check prices

Food

7.1

Boarding

7.6

Comfort

7.5

Crew

8.2

Entertainment

6.9

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Rami,Sept 2025

LAX - WAW

The second leg. Very tight seats No WiFi on both flights

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.

  • How long is the flight from London Heathrow Airport to Slovenia?

    A quick flight from London Heathrow Airport to Slovenia can take about 4h 40m. Lufthansa provides one of the quickest options available for as low as £148. The distance from London Heathrow Airport to Slovenia is about 766 mi. This flight may include one or multiple stops.

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

    The cheapest flight price from London Heathrow Airport to Slovenia is £187. On average you can expect to pay £270. 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £117). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £184). 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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Alternative routes for Heathrow to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Stansted to Amsterdam flights
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Top 5 airlines flying from Heathrow to Slovenia

Discover the top 5 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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£94Average£203FlexibilityNo cancel feeOn-time86%
Search easyJet flights
British AirwaysCheapest£150Average£293FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LOTCheapest£152Average£245FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£154Average£197FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Brussels AirlinesCheapest£158Average£238FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

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

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

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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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