Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Slovenia from £87

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LJU
6 Dec — 13 Dec1
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 6 November 2025.

Fri 28/1120:15LHR - LJU
1 stop11h 50mLufthansa
Mon 1/1209:45LJU - LHR
1 stop8h 20mLufthansa
Deal found 5/11£153
Fri 28/1120:15LHR - LJU
1 stop11h 50mLufthansa
Wed 3/1210:00LJU - LHR
1 stop8h 05mLufthansa
Deal found 5/11£154
Fri 28/1120:15LHR - LJU
1 stop11h 50mLufthansa
Tue 2/1213:20LJU - LHR
1 stop4h 45mLufthansa
Deal found 4/11£155
Thu 11/1206:00LHR - LJU
1 stop6h 35mMultiple Airlines
Thu 18/1220:10LJU - LHR
1 stop3h 45mMultiple Airlines
Deal found 4/11£156
Wed 3/1206:30LHR - LJU
1 stop5h 35mLOT
Wed 10/1213:45LJU - LHR
1 stop9h 15mLOT
Deal found 5/11£161
Wed 3/1220:05LHR - LJU
1 stop16h 30mMultiple Airlines
Sat 6/1206:55LJU - LHR
1 stop4h 50mMultiple Airlines
Deal found 4/11£162
Fri 21/1120:15LHR - LJU
1 stop11h 50mLufthansa
Wed 26/1110:00LJU - LHR
1 stop9h 35mLufthansa
Deal found 4/11£165
Thu 20/1107:40LHR - LJU
1 stop4h 00mLufthansa
Sun 23/1109:45LJU - LHR
1 stop4h 15mLufthansa
Deal found 5/11£166
Thu 11/1206:00LHR - LJU
1 stop15h 15mSWISS
Sun 14/1206:30LJU - LHR
1 stop13h 45mSWISS
Deal found 4/11£172
Thu 27/1110:35LHR - LJU
1 stop25h 30mLOT
Sat 29/1117:10LJU - LHR
1 stop17h 25mLOT
Deal found 5/11£173
Fri 21/1106:30LHR - LJU
1 stop5h 35mLOT
Sat 22/1117:10LJU - LHR
1 stop17h 25mLOT
Deal found 4/11£176

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 6 November 2025.

Round-trip from

£147

One-way from

£87

Popular in

August

Cheapest in

March

Average price

£156

Good round-trip deal

£216 or less

Good one-way deal

£112 or less
Lufthansa
  • Lufthansa
  • 3/3-10/3
  • 2 total stops
  • 9h 50m total
  • London to Slovenia
Search Deals
Vueling
  • Vueling
  • 15/11
  • 1 total stop
  • 17h 25m total
  • London to Slovenia
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£34 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
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 6 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 5/3

07:40-12:40

1 stop4h 00m

Ljubljana Joze Pucnik

Sat 7/3

09:45-13:00

1 stop4h 15m

£149

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 2/3

08:45-19:30

1 stop9h 45m

Ljubljana Joze Pucnik

Fri 6/3

20:10-22:55

1 stop3h 45m

£149

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 28/11

20:15-09:05

1 stop11h 50m

Ljubljana Joze Pucnik

Wed 3/12

10:00-17:05

1 stop8h 05m

£154

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 1/3

06:50-12:55

1 stop5h 05m

Ljubljana Joze Pucnik

Fri 6/3

20:10-22:55

1 stop3h 45m

£161

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 29/3

19:25-14:25

1 stop18h 00m

Ljubljana Joze Pucnik

Sun 5/4

09:50-18:45

1 stop9h 55m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 29/3

13:30-14:25

1 stop23h 55m

Ljubljana Joze Pucnik

Fri 3/4

20:45-19:10

1 stop23h 25m

£165

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 21/11

20:15-09:05

1 stop11h 50m

Ljubljana Joze Pucnik

Wed 26/11

10:00-18:35

1 stop9h 35m

£165

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 20/11

07:40-12:40

1 stop4h 00m

Ljubljana Joze Pucnik

Sun 23/11

09:45-13:00

1 stop4h 15m

£166

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 11/12

06:00-22:15

1 stop15h 15m

Ljubljana Joze Pucnik

Sun 14/12

06:30-19:15

1 stop13h 45m

£172

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 30/3

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Sat 4/4

14:55-19:10

1 stop5h 15m

£175

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 24 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Slovenia (average of £69). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £180). 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 6 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 6 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
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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
7.6
Good
1,133 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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
369 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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
1,841 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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
7,554 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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
7,496 reviews
LOT
7.6
Good
1,133 reviews
Check prices

Food

7.1

Overall

7.6

Boarding

7.6

Crew

8.2

Entertainment

6.9

Comfort

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. Lufthansa provides one of the quickest options available for as low as £149. The distance from London Heathrow Airport to Slovenia is about 766 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from London Heathrow Airport to Slovenia one-way?

    The cheapest airline one-way is Vueling, with whom users have recently found tickets for as low as £87. However, be on the lookout for offers from Air Serbia and LOT, 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 £101. On average you can expect to pay £199. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £147.

  • 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 £69). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £180). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Istanbul flights
London City to Istanbul flights
Heathrow to Frederic Chopin flights
Heathrow to Charles de Gaulle flights
Luton to Amsterdam flights
Gatwick to Charles de Gaulle flights
Luton to Charles de Gaulle flights
Heathrow to Edinburgh flights
Luton to Frederic Chopin flights
Stansted to Edinburgh flights
Gatwick to Edinburgh flights
Luton to Edinburgh flights
Heathrow to Madrid flights
Gatwick to Leonardo da Vinci/Fiumicino flights
Heathrow to Prague flights
London City to Charles de Gaulle flights
Gatwick to Amsterdam flights
Heathrow to Orly flights
London City to Edinburgh flights
Heathrow to Leonardo da Vinci/Fiumicino flights
Heathrow to Amsterdam flights
Stansted to Amsterdam flights
Gatwick to Istanbul flights
Stansted to Beauvais-Tille flights
London City to Leonardo da Vinci/Fiumicino flights
London City to Amsterdam flights
Gatwick to Madrid flights
Gatwick to Frankfurt flights
Gatwick to Oslo Gardermoen flights
Luton to Istanbul flights
Gatwick to Orly flights
Luton to Frankfurt flights
Heathrow to Lisbon flights
Gatwick to Berlin flights
Gatwick to Barcelona-El Prat flights
Heathrow to Dublin flights
Southend to Charles de Gaulle flights
Gatwick to Prague flights
Southend to Amsterdam flights
Luton to Malpensa flights
London City to Frederic Chopin flights
Gatwick to Malpensa flights
Heathrow to Barcelona-El Prat flights
Heathrow to Athens flights
Gatwick to Copenhagen flights
Stansted to Madrid flights
Heathrow to Malpensa flights
Heathrow to Sabiha Gokcen flights
Luton to Leonardo da Vinci/Fiumicino flights
Luton to Vienna flights

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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£95Average£205FlexibilityNo cancel feeOn-time86%
Search easyJet flights
SWISSCheapest£141Average£202FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£151Average£301FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£153Average£196FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
LOTCheapest£154Average£261FlexibilityNo cancel feeOn-time81%
Search LOT flights
Brussels AirlinesCheapest£160Average£264FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.