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 £155. The distance from London Heathrow Airport to Slovenia is about 766 mi. This flight may include one or multiple stops.

What is the cheapest day to fly from London Heathrow Airport to Slovenia?

Travellers seeking maximum savings on their London Heathrow Airport to Slovenia flight should consider departing on Tuesday at midday when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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 £240. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £146.

What are the most popular airlines that fly from London Heathrow Airport to Slovenia?

Before booking your flight from London Heathrow Airport to Slovenia check out the most popular airlines for this route: British Airways, Lufthansa or LOT.

What is the cheapest day to fly round-trip from London Heathrow Airport to Slovenia?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 22% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from London Heathrow Airport to Slovenia?

Users have found that booking a flight from London Heathrow Airport to Slovenia at least 23 days early can save you up to 73% on average compared to booking a flight this week. If booking 23 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Slovenia for as little as £163 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £223 for flights departing within the next 3 days.

What is the cheapest month to fly from London Heathrow Airport to Slovenia?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, March can be a great choice for travel to Slovenia. Flights to Slovenia from London Heathrow Airport in March are about £180 on average during March, but can be found for as low as £65.

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.

£82+ Flights from London Heathrow Airport to Slovenia

Cheap flight deals from Heathrow to Slovenia

Round-trip from	£155
One-way from	£82
Popular in	August
Cheapest in	March
Average price	£230
Good round-trip deal	£215 or less
Good one-way deal	£147 or less

Lufthansa
2/12-6/12
2 total stops
8h 15m total
London to Slovenia

Search Deals

British Airways
25/10
Nonstop
2h 10m total
London to Slovenia

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£36 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 September 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

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 15 September 2025.

Wed 8/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sat 11/1014:55LJU - LHR

1 stop22h 35mAir Serbia

Deal found 15/9£155

Tue 28/1007:40LHR - LJU

1 stop4h 00mMultiple Airlines

Tue 4/1106:30LJU - LHR

1 stop5h 45mMultiple Airlines

Deal found 13/9£158

Fri 5/1213:50LHR - LJU

1 stop4h 40mMultiple Airlines

Sun 7/1206:30LJU - LHR

1 stop5h 45mMultiple Airlines

Deal found 14/9£159

Tue 7/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sat 11/1014:55LJU - LHR

1 stop5h 10mAir Serbia

Deal found 13/9£160

Fri 24/1020:05LHR - LJU

1 stop11h 10mMultiple Airlines

Mon 27/1020:10LJU - LHR

1 stop3h 45mMultiple Airlines

Deal found 14/9£160

Sat 4/1019:55LHR - LJU

1 stop12h 05mAir Serbia

Tue 7/1020:45LJU - LHR

1 stop16h 45mAir Serbia

Deal found 13/9£161

Fri 10/1013:30LHR - LJU

1 stop23h 55mAir Serbia

Mon 13/1020:45LJU - LHR

1 stop16h 45mAir Serbia

Deal found 13/9£162

Tue 7/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sun 12/1014:55LJU - LHR

1 stop22h 35mAir Serbia

Deal found 15/9£163

Tue 7/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Tue 14/1020:45LJU - LHR

1 stop16h 45mAir Serbia

Deal found 15/9£163

Mon 6/1011:05LHR - LJU

1 stop5h 40mBrussels Airlines

Fri 10/1018:35LJU - LHR

1 stop4h 00mBrussels Airlines

Deal found 14/9£164

Sat 8/1106:30LHR - LJU

1 stop4h 50mMultiple Airlines

Mon 10/1120:45LJU - LHR

1 stop16h 35mMultiple Airlines

Deal found 14/9£165

Fri 7/1117:10LHR - LJU

1 stop4h 20mMultiple Airlines

Wed 12/1110:00LJU - LHR

1 stop6h 50mMultiple Airlines

Deal found 15/9£166

Best flights from Heathrow to Slovenia
Discover carefully curated flight deals from Heathrow to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Thu 20/1107:40LHR - LJU

1 stop4h 00mLufthansa

Sun 23/1109:45LJU - LHR

1 stop8h 20mLufthansa

Deal found 14/9£155

Mon 13/1007:25LHR - LJU

1 stop4h 10mMultiple Airlines

Tue 21/1010:50LJU - LHR

1 stop6h 35mMultiple Airlines

Deal found 14/9£159

Tue 7/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sat 11/1014:55LJU - LHR

1 stop5h 10mAir Serbia

Deal found 14/9£160

Mon 23/206:50LHR - LJU

1 stop5h 05mMultiple Airlines

Fri 27/209:45LJU - LHR

1 stop4h 15mMultiple Airlines

Deal found 15/9£160

Fri 31/1013:50LHR - LJU

1 stop4h 40mLufthansa

Mon 3/1120:10LJU - LHR

1 stop3h 45mLufthansa

Deal found 13/9£160

Sun 12/1019:25LHR - LJU

1 stop18h 00mAir Serbia

Sun 19/1009:40LJU - LHR

1 stop10h 00mAir Serbia

Deal found 14/9£163

Wed 8/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sat 11/1014:55LJU - LHR

1 stop5h 10mAir Serbia

Deal found 13/9£163

Tue 7/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sun 12/1014:55LJU - LHR

1 stop22h 35mAir Serbia

Deal found 15/9£163

Wed 15/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Sun 19/1009:40LJU - LHR

1 stop27h 50mAir Serbia

Deal found 14/9£163

Direct flights from Heathrow to Slovenia
Explore direct flight options from Heathrow to Slovenia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2025.

Sat 11/1007:00LHR - LJU

Nonstop2h 10mBritish Airways

Wed 15/1018:00LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 14/9£179

Mon 13/1011:00LHR - LJU

Nonstop2h 15mBritish Airways

Fri 17/1021:05LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 13/9£208

Wed 15/1014:00LHR - LJU

Nonstop2h 15mBritish Airways

Sat 18/1011:00LJU - LHR

Nonstop2h 25mBritish Airways

Deal found 13/9£214

Mon 13/1011:00LHR - LJU

Nonstop2h 15mBritish Airways

Sat 18/1011:00LJU - LHR

Nonstop2h 25mBritish Airways

Deal found 15/9£227

Mon 6/1011:00LHR - LJU

Nonstop2h 15mBritish Airways

Fri 10/1021:05LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 14/9£243

Wed 8/1014:00LHR - LJU

Nonstop2h 15mBritish Airways

Wed 15/1018:00LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 15/9£245

Fri 10/1017:10LHR - LJU

Nonstop2h 10mBritish Airways

Sat 11/1011:00LJU - LHR

Nonstop2h 25mBritish Airways

Deal found 14/9£248

Mon 13/1011:00LHR - LJU

Nonstop2h 15mBritish Airways

Mon 20/1015:10LJU - LHR

Nonstop2h 25mBritish Airways

Deal found 13/9£253

Wed 8/1014:00LHR - LJU

Nonstop2h 15mBritish Airways

Sat 11/1011:00LJU - LHR

Nonstop2h 25mBritish Airways

Deal found 13/9£265

Last-minute flights from Heathrow to Slovenia
Discover last-minute flight deals from Heathrow to Slovenia. Data last updated 15 September 2025 and is based on user searches.

Sat 20/919:55LHR - LJU

1 stop12h 05mAir Serbia

Tue 7/1020:45LJU - LHR

1 stop16h 45mAir Serbia

Deal found 14/9£169

Sat 20/920:25LHR - LJU

1 stop11h 35mMultiple Airlines

Tue 7/1018:35LJU - LHR

1 stop4h 00mMultiple Airlines

Deal found 14/9£191

Sat 20/908:45LHR - LJU

1 stop8h 50mMultiple Airlines

Sat 27/917:10LJU - LHR

1 stop4h 45mMultiple Airlines

Deal found 13/9£194

Sat 20/908:45LHR - LJU

1 stop8h 50mSWISS

Wed 24/919:25LJU - LHR

1 stop13h 30mSWISS

Deal found 13/9£208

Sat 20/920:25LHR - LJU

1 stop11h 35mLufthansa

Tue 7/1009:35LJU - LHR

2 stops6h 05mLufthansa

Deal found 14/9£227

Sun 21/919:25LHR - LJU

1 stop12h 35mAir Serbia

Wed 8/1020:45LJU - LHR

1 stop16h 45mAir Serbia

Deal found 14/9£226

Mon 22/906:00LHR - LJU

1 stop11h 35mSWISS

Mon 29/919:20LJU - LHR

1 stop13h 35mSWISS

Deal found 15/9£192

Thu 25/916:30LHR - LJU

1 stop4h 30mMultiple Airlines

Sat 27/917:10LJU - LHR

1 stop4h 45mMultiple Airlines

Deal found 14/9£201

One-way flights from Heathrow to Slovenia
Search for one-way flight options from Heathrow to Slovenia. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Sat 25/1007:00LHR - LJU

Nonstop2h 10mBritish Airways

Deal found 13/9£82

Fri 24/1017:10LHR - LJU

Nonstop2h 10mBritish Airways

Deal found 13/9£84

Wed 22/1014:00LHR - LJU

Nonstop2h 15mBritish Airways

Deal found 13/9£88

Sat 4/1019:55LHR - LJU

1 stop12h 05mAir Serbia

Deal found 15/9£89

Wed 8/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Deal found 13/9£91

Wed 22/1013:30LHR - LJU

1 stop18h 30mAir Serbia

Deal found 13/9£91

Sat 27/919:55LHR - LJU

1 stop12h 05mAir Serbia

Deal found 15/9£93

Wed 1/1015:05LHR - LJU

1 stop25h 40mMultiple Airlines

Deal found 15/9£96

Mon 27/1007:40LHR - LJU

1 stop10h 50mLufthansa

Deal found 13/9£102

Mon 2/220:25LHR - LJU

1 stop14h 55mKLM

Deal found 13/9£103

Sat 4/1007:00LHR - LJU

Nonstop2h 10mBritish Airways

Deal found 13/9£104

Cheapflights Fare Finder

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

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 20/11

07:40-12:40

1 stop4h 00m

Ljubljana Joze Pucnik

Sun 23/11

09:45-17:05

1 stop8h 20m

£155

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 13/10

07:25-12:35

1 stop4h 10m

Ljubljana Joze Pucnik

Tue 21/10

10:50-16:25

1 stop6h 35m

£159

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 7/10

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Sat 11/10

14:55-19:05

1 stop5h 10m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 23/2

06:50-12:55

1 stop5h 05m

Ljubljana Joze Pucnik

Fri 27/2

09:45-13:00

1 stop4h 15m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 31/10

13:50-19:30

1 stop4h 40m

Ljubljana Joze Pucnik

Mon 3/11

20:10-22:55

1 stop3h 45m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 12/10

19:25-14:25

1 stop18h 00m

Ljubljana Joze Pucnik

Sun 19/10

09:40-18:40

1 stop10h 00m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 8/10

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Sat 11/10

14:55-19:05

1 stop5h 10m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 7/10

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Sun 12/10

14:55-12:30

1 stop22h 35m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 15/10

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Sun 19/10

09:40-12:30

1 stop27h 50m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 3/11

13:20-08:55

1 stop18h 35m

£89

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 21 results

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 £325). 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?

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 8% on airfare.

Reviews of airlines servicing Slovenia

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

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

LOT

7.6

Good

1,114 reviews

LOT

7.6

Good

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Brussels Airlines

7.3

Good

359 reviews

LOT

7.6

Good

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

easyJet

6.9

Okay

1,820 reviews

LOT

7.6

Good

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Lufthansa

6.8

Okay

7,407 reviews

LOT

7.6

Good

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

British Airways

6.7

Okay

7,361 reviews

LOT

7.6

Good

1,114 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Krzysztof,Sept 2025

ORD - KRK

It’s a professional person and flyer I love the LOT I will going to use this again

Related info for your journey

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 £155. 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 £101. On average you can expect to pay £240. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £146.
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 £325). 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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Top 6 airlines flying from Heathrow to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£67	Average£146	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
SWISS	Cheapest£135	Average£187	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Lufthansa	Cheapest£140	Average£186	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£140	Average£286	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
LOT	Cheapest£145	Average£225	FlexibilityNo cancel fee	On-time81%	Search LOT flights
Brussels Airlines	Cheapest£145	Average£254	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights

Fly with Cheapflights

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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Cheap flights from London Heathrow Airport to Slovenia from £82

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.

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 15 September 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Slovenia

Cheapest flights from Heathrow to SloveniaExplore 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 15 September 2025.

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 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Slovenia that are best for you.

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.

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?

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 15 September 2025.

Reviews of airlines servicing Slovenia

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.

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?

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

Can I find deals for flights from Heathrow to Slovenia that include hotel bookings?

How can I find direct flights from Heathrow to Slovenia?

Can I find deals for business class flights from Heathrow to Slovenia?

What is the cheapest month to book a flight from London Heathrow Airport to Slovenia?

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Alternative routes for Heathrow to Slovenia

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Top 6 airlines flying from Heathrow to Slovenia

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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 15 September 2025.