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Cheap flights from London Heathrow Airport to Slovenia from £92

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
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap 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 1 April 2026.

Mon 13/411:00
LHR
-
LJU
Nonstop2h 15m
British Airways
Sun 19/421:25
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 31/3£155
Wed 8/414:00
LHR
-
LJU
Nonstop2h 15m
British Airways
Mon 20/415:10
LJU
-
LHR
Nonstop2h 25m
British Airways
Deal found 31/3£160
Fri 10/417:10
LHR
-
LJU
Nonstop2h 20m
British Airways
Sun 19/421:25
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 28/3£161
Sun 12/417:15
LHR
-
LJU
Nonstop2h 20m
British Airways
Mon 20/415:10
LJU
-
LHR
Nonstop2h 25m
British Airways
Deal found 31/3£163
Sun 4/1006:30
LHR
-
LJU
1 stop8h 50m
Multiple Airlines
Fri 9/1020:40
LJU
-
LHR
1 stop16h 50m
Multiple Airlines
Deal found 29/3£165
Wed 8/414:00
LHR
-
LJU
Nonstop2h 15m
British Airways
Fri 17/421:15
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 31/3£167
Tue 28/406:15
LHR
-
LJU
1 stop6h 35m
Air France
Tue 5/514:35
LJU
-
LHR
1 stop5h 00m
Air France
Deal found 31/3£168
Wed 20/506:30
LHR
-
LJU
1 stop5h 15m
Multiple Airlines
Tue 26/520:40
LJU
-
LHR
1 stop16h 50m
Multiple Airlines
Deal found 31/3£169
Sun 26/417:15
LHR
-
LJU
Nonstop2h 20m
British Airways
Sun 3/521:25
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 27/3£170
Fri 10/417:10
LHR
-
LJU
Nonstop2h 20m
British Airways
Fri 17/421:15
LJU
-
LHR
Nonstop2h 20m
British Airways
Deal found 31/3£172

Find flight deals from Heathrow to Slovenia

Keep the following information in mind while searching for Heathrow to Slovenia flight deals. Data was last updated 1 April 2026.

Round-trip from

£155

One-way from

£92

Popular in

August

Cheapest in

November

Average price

£149

Good round-trip deal

£246 or less
British Airways
  • British Airways
  • 13/4-19/4
  • Nonstop
  • 4h 35m total
  • London to Slovenia
Search Deals
British Airways
  • British Airways
  • 20/4
  • Nonstop
  • 2h 15m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£37 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 April 2026
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 1 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

£194

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 25/9

13:30-08:50

1 stop18h 20m

Ljubljana Joze Pucnik

Sun 27/9

09:25-12:30

1 stop28h 05m

£197

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 9/6

13:30-08:50

1 stop18h 20m

Ljubljana Joze Pucnik

Tue 16/6

09:25-12:30

1 stop28h 05m

£210

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 3/6

06:30-12:45

1 stop5h 15m

Ljubljana Joze Pucnik

Wed 10/6

13:30-22:00

1 stop9h 30m

£220

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 9/6

17:10-22:55

1 stop4h 45m

Ljubljana Joze Pucnik

Wed 17/6

14:35-18:35

1 stop5h 00m

£231

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 27/5

09:00-19:25

1 stop9h 25m

Ljubljana Joze Pucnik

Sat 30/5

20:00-08:15

1 stop13h 15m

£238

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 15/4

07:25-12:40

1 stop4h 15m

Ljubljana Joze Pucnik

Sat 18/4

13:20-17:05

1 stop4h 45m

£239

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 7/6

13:30-20:05

1 stop5h 35m

Ljubljana Joze Pucnik

Wed 17/6

09:25-12:30

1 stop28h 05m

£244

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 23/5

20:25-09:15

1 stop11h 50m

Ljubljana Joze Pucnik

Mon 1/6

14:05-18:40

1 stop5h 35m

£251

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 9/7

08:40-22:55

1 stop13h 15m

Ljubljana Joze Pucnik

Mon 13/7

06:00-10:45

1 stop5h 45m

£253

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 19 resultsSorted by cheapest first
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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £121). Flying from London Heathrow Airport to Slovenia in February is currently the most expensive (average of £219). 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.

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 1 April 2026.
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
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.
LOT
7.5
Good
1,180 reviews
LOT
7.5
Good
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.
Brussels Airlines
7.2
Good
397 reviews
LOT
7.5
Good
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.
easyJet
6.9
Okay
1,889 reviews
LOT
7.5
Good
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.
Lufthansa
6.8
Okay
7,880 reviews
LOT
7.5
Good
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.
British Airways
6.7
Okay
7,839 reviews
LOT
7.5
Good
1,180 reviews
Check prices

Food

7.1

Boarding

7.5

Entertainment

6.9

Overall

7.5

Crew

8.2

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2026

IST - WAW

Flight to JFK was delayed for more than an hour in the air. No explanation, no apology. Crew was indifferent. Second “meal” was laughably small, and below standard compared to competition.

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 2h 20m. British Airways provides one of the quickest options available for as low as £194. 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 £175. On average you can expect to pay £295. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £151.

  • 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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £121). Flying from London Heathrow Airport to Slovenia in February is currently the most expensive (average of £219). 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 Heathrow 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 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£94Average£165FlexibilityNo cancel feeOn-time86%
Search easyJet flights
LOTCheapest£152Average£257FlexibilityNo cancel feeOn-time81%
Search LOT flights
Brussels AirlinesCheapest£158Average£261FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
LufthansaCheapest£160Average£208FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£169Average£214FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£192Average£303FlexibilityNo cancel feeOn-time70%
Search British Airways 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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