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Cheap flights from London Heathrow Airport to Slovenia from £86

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LJU
24 Feb — 3 Mar1
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 25 January 2026.

Fri 27/208:45
LHR
-
LJU
1 stop9h 45m
Lufthansa
Mon 2/320:10
LJU
-
LHR
1 stop3h 45m
Lufthansa
Deal found 24/1£141
Fri 20/208:45
LHR
-
LJU
1 stop9h 45m
Lufthansa
Mon 2/320:10
LJU
-
LHR
1 stop3h 45m
Lufthansa
Deal found 23/1£144
Fri 6/319:15
LHR
-
LJU
1 stop12h 50m
Lufthansa
Mon 9/320:10
LJU
-
LHR
1 stop3h 45m
Lufthansa
Deal found 23/1£144
Tue 31/309:00
LHR
-
LJU
1 stop9h 25m
Lufthansa
Wed 8/413:15
LJU
-
LHR
1 stop4h 50m
Lufthansa
Deal found 23/1£145
Tue 17/207:40
LHR
-
LJU
1 stop4h 00m
Lufthansa
Mon 23/220:10
LJU
-
LHR
1 stop3h 45m
Lufthansa
Deal found 23/1£147
Thu 12/306:35
LHR
-
LJU
1 stop5h 05m
Lufthansa
Mon 16/320:10
LJU
-
LHR
1 stop3h 45m
Lufthansa
Deal found 24/1£147
Mon 23/206:50
LHR
-
LJU
1 stop5h 05m
Multiple Airlines
Mon 2/320:10
LJU
-
LHR
1 stop3h 45m
Multiple Airlines
Deal found 24/1£150
Wed 12/809:00
LHR
-
LJU
1 stop9h 25m
Lufthansa
Tue 18/814:25
LJU
-
LHR
1 stop8h 45m
Lufthansa
Deal found 24/1£151
Sat 28/206:00
LHR
-
LJU
1 stop15h 15m
Multiple Airlines
Tue 3/313:20
LJU
-
LHR
1 stop4h 45m
Multiple Airlines
Deal found 24/1£152
Wed 24/613:40
LHR
-
LJU
1 stop4h 45m
Lufthansa
Sat 27/613:45
LJU
-
LHR
1 stop7h 55m
Lufthansa
Deal found 24/1£153
Sat 7/309:00
LHR
-
LJU
1 stop4h 00m
SWISS
Sun 8/306:30
LJU
-
LHR
1 stop5h 45m
SWISS
Deal found 23/1£154
Wed 24/613:40
LHR
-
LJU
1 stop4h 45m
Lufthansa
Tue 30/614:25
LJU
-
LHR
1 stop4h 15m
Lufthansa
Deal found 24/1£155

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 25 January 2026.

Round-trip from

£141

One-way from

£86

Popular in

August

Cheapest in

March

Average price

£160

Good round-trip deal

£242 or less

Good one-way deal

£98 or less
Lufthansa
  • Lufthansa
  • 27/2-2/3
  • 2 total stops
  • 13h 30m total
  • London to Slovenia
Search Deals
Air Serbia
  • Air Serbia
  • 19/2
  • 1 total stop
  • 18h 05m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£32 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 January 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Slovenia.
Search Deals
Price to beat on a one-way 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 25 January 2026.
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 12/3

06:35-12:40

1 stop5h 05m

Ljubljana Joze Pucnik

Sat 14/3

10:25-16:50

1 stop7h 25m

£153

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 31/3

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Thu 9/4

18:35-21:35

1 stop4h 00m

£167

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 1/4

06:55-12:35

1 stop4h 40m

Ljubljana Joze Pucnik

Thu 9/4

13:20-18:25

1 stop6h 05m

£169

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 30/4

20:05-23:05

1 stop26h 00m

Ljubljana Joze Pucnik

Sun 3/5

06:05-16:40

1 stop11h 35m

£171

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 10/4

06:00-13:55

1 stop6h 55m

Ljubljana Joze Pucnik

Sun 12/4

06:05-16:40

1 stop11h 35m

£171

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 20/6

16:05-19:25

Nonstop2h 20m

Ljubljana Joze Pucnik

Sat 4/7

20:15-21:35

Nonstop2h 20m

£176

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 20/6

16:05-19:25

Nonstop2h 20m

Ljubljana Joze Pucnik

Thu 2/7

18:25-19:45

Nonstop2h 20m

£176

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 19/4

13:30-20:05

1 stop5h 35m

Ljubljana Joze Pucnik

Thu 23/4

09:35-12:30

1 stop27h 55m

£179

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

£180

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 10/4

17:10-20:30

Nonstop2h 20m

Ljubljana Joze Pucnik

Sun 12/4

21:25-22:45

Nonstop2h 20m

£181

Flights are sorted by cheapest return flights first.

Deals found on 24/1

Showing 1-10 of 22 results
1
2
3

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 £116). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £177). 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 25 January 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
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.
LOT
7.5
Good
1,174 reviews
LOT
7.5
Good
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.
Brussels Airlines
7.2
Good
382 reviews
LOT
7.5
Good
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.
easyJet
6.9
Okay
1,864 reviews
LOT
7.5
Good
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.
Lufthansa
6.8
Okay
7,747 reviews
LOT
7.5
Good
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.
British Airways
6.7
Okay
7,698 reviews
LOT
7.5
Good
1,174 reviews
Check prices

Boarding

7.5

Overall

7.5

Crew

8.2

Entertainment

6.9

Comfort

7.4

Food

7.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

WAW - JFK

The only thing that I could say I really liked was the speed of travel. I think the flight time was significantly reduced, but I only think happened because there were delays in our departure time. We wound up arriving about 1 hour later than originally planned. A few things that could have improved was the entertainment available on board and also the ability to view the flight details in real time. I was just the lucky passenger to get a busted screen so I couldn't watch any entertainment. The passenger sitting next to me was kind enough to switch seats with me once his move was done. The choices for movies and shows were ok, nothing great, but I was grateful some ok movies were available to pass the time. I was not very happy with the absence of flight details. There was a timer that showed how much time was left in the flight, but no other details. Other airlines I've been with offered interactive maps that showed you where the plane was traveling like a normal GPS app would do on your phone which is super nice to have. Flight attendants were nice and helpful. The clarity of the announcements was terrible. Even in English, I could hardly make out what the person was saying. Please make improvements.

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 5h 05m. Lufthansa provides one of the quickest options available for as low as £153. 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 £98. On average you can expect to pay £190. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £139.

  • 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 £116). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £177). 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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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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£91Average£160FlexibilityNo cancel feeOn-time86%
Search easyJet flights
LOTCheapest£147Average£237FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest£149Average£192FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£151Average£284FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£153Average£209FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
SWISSCheapest£164Average£193FlexibilityNo cancel feeOn-time79%
Search SWISS 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?

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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