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

The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as £86. However, be on the lookout for offers from Eurowings and LOT, as they are both options that can get you from London Heathrow Airport to Slovenia for a low price.

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 Wednesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

The cheapest flight price from London Heathrow Airport to Slovenia is £96. On average you can expect to pay £197. The most popular route, (London Heathrow - Ljubljana Joze Pucnik), can usually be booked for £147.

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 32% 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 57 days early can save you up to 111% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Slovenia for as little as £189 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 £284 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, November can be a great choice for travel to Slovenia. Flights to Slovenia from London Heathrow Airport in November are about £198 on average during November, but can be found for as low as £77.

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.

£165+ Flights from London Heathrow Airport to Slovenia

Cheap flight deals from Heathrow to Slovenia

Round-trip from	£151
One-way from	£86
Popular in	August
Cheapest in	November
Average price	£182
Good round-trip deal	£191 or less
Good one-way deal	£130 or less

Air Serbia
21/3-31/3
2 total stops
38h 05m total
London to Slovenia

Search Deals

Air Serbia
13/4
1 total stop
17h 30m total
London to Slovenia

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£47 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 February 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 21 February 2025.

Fri 21/318:10LHR - LJU

1 stop21h 20mMultiple Airlines

Mon 31/320:45LJU - LHR

1 stop16h 45mMultiple Airlines

Deal found 20/2£151

Sat 22/306:30LHR - LJU

1 stop9h 00mLOT

Sat 29/317:10LJU - LHR

1 stop24h 10mLOT

Deal found 20/2£152

Wed 7/509:00LHR - LJU

1 stop9h 25mLufthansa

Sat 10/520:00LJU - LHR

1 stop13h 15mLufthansa

Deal found 20/2£154

Mon 28/406:00LHR - LJU

1 stop11h 35mSWISS

Tue 6/510:50LJU - LHR

1 stop6h 35mSWISS

Deal found 20/2£160

Sat 26/407:45LHR - LJU

1 stop7h 25mBrussels Airlines

Tue 29/418:30LJU - LHR

1 stop4h 05mBrussels Airlines

Deal found 20/2£168

Sat 17/516:05LHR - LJU

Nonstop2h 15mBritish Airways

Thu 22/519:00LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 20/2£192

Thu 27/206:35LHR - LJU

1 stop11h 15mTurkish Airlines

Thu 6/309:20LJU - LHR

1 stop12h 45mTurkish Airlines

Deal found 19/2£258

Fri 14/320:25LHR - LJU

2 stops14h 55mKLM

Sun 16/312:25LJU - LHR

2 stops20h 15mKLM

Deal found 20/2£314

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 21 February 2025.

Fri 21/318:10LHR - LJU

1 stop21h 20mMultiple Airlines

Mon 31/320:45LJU - LHR

1 stop16h 45mMultiple Airlines

Deal found 20/2£151

Sat 22/306:30LHR - LJU

1 stop9h 00mLOT

Sat 29/317:10LJU - LHR

1 stop24h 10mLOT

Deal found 20/2£152

Wed 7/509:00LHR - LJU

1 stop9h 25mLufthansa

Sat 10/520:00LJU - LHR

1 stop13h 15mLufthansa

Deal found 20/2£154

Mon 28/406:00LHR - LJU

1 stop11h 35mSWISS

Tue 6/510:50LJU - LHR

1 stop6h 35mSWISS

Deal found 20/2£160

Sat 26/407:45LHR - LJU

1 stop7h 25mBrussels Airlines

Tue 29/418:30LJU - LHR

1 stop4h 05mBrussels Airlines

Deal found 20/2£168

Sat 17/516:05LHR - LJU

Nonstop2h 15mBritish Airways

Thu 22/519:00LJU - LHR

Nonstop2h 20mBritish Airways

Deal found 20/2£192

Tue 11/320:25LHR - LJU

2 stops14h 15mKLM

Fri 14/312:25LJU - LHR

2 stops9h 25mKLM

Deal found 20/2£312

Last-minute flights from Heathrow to Slovenia
Discover last-minute flight deals from Heathrow to Slovenia. Data last updated 21 February 2025 and is based on user searches.

Wed 26/206:30LHR - LJU

1 stop5h 35mLOT

Wed 5/313:45LJU - LHR

1 stop9h 15mLOT

Deal found 21/2£185

Wed 26/217:50LHR - LJU

2 stops16h 50mMultiple Airlines

Wed 5/308:15LJU - LHR

1 stop5h 05mMultiple Airlines

Deal found 21/2£268

Thu 27/206:35LHR - LJU

1 stop11h 15mTurkish Airlines

Thu 6/309:20LJU - LHR

1 stop12h 45mTurkish Airlines

Deal found 19/2£258

Fri 28/206:00LHR - LJU

1 stop6h 35mSWISS

Sun 16/306:30LJU - LHR

1 stop12h 20mSWISS

Deal found 20/2£287

Fri 14/320:25LHR - LJU

2 stops14h 55mKLM

Sun 16/312:25LJU - LHR

2 stops20h 15mKLM

Deal found 20/2£314

Fri 21/318:10LHR - LJU

1 stop21h 20mMultiple Airlines

Mon 31/320:45LJU - LHR

1 stop16h 45mMultiple Airlines

Deal found 20/2£151

Sat 22/306:30LHR - LJU

1 stop9h 00mLOT

Sat 29/317:10LJU - LHR

1 stop24h 10mLOT

Deal found 20/2£152

Wed 26/308:55LHR - LJU

1 stop4h 10mSWISS

Sun 30/310:50LJU - LHR

1 stop8h 00mSWISS

Deal found 20/2£166

Thu 27/319:30LHR - LJU

1 stop13h 30mLufthansa

Sun 30/306:40LJU - LHR

1 stop5h 00mLufthansa

Deal found 20/2£194

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 21 February 2025.

Sun 13/419:55LHR - LJU

1 stop17h 30mAir Serbia

Deal found 20/2£86

Fri 16/508:05LHR - LJU

1 stop22h 35mEurowings

Deal found 21/2£92

Mon 24/306:30LHR - LJU

1 stop5h 35mLOT

Deal found 20/2£94

Sat 17/518:35LHR - LJU

1 stop12h 50mKLM

Deal found 21/2£97

Wed 30/707:25LHR - LJU

1 stop11h 00mLufthansa

Deal found 20/2£103

Sat 17/516:05LHR - LJU

Nonstop2h 15mBritish Airways

Deal found 21/2£105

Fri 18/406:00LHR - LJU

1 stop25h 15mSWISS

Deal found 20/2£108

Sat 26/411:05LHR - LJU

1 stop4h 05mBrussels Airlines

Deal found 20/2£109

Wed 26/308:05LHR - LJU

2 stops23h 50mMultiple Airlines

Deal found 20/2£128

Find flights from Heathrow to Slovenia within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 21/3

18:10-16:30

1 stop21h 20m

Ljubljana Joze Pucnik

Mon 31/3

20:45-12:30

1 stop16h 45m

£151

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 22/3

06:30-16:30

1 stop9h 00m

Ljubljana Joze Pucnik

Sat 29/3

17:10-16:20

1 stop24h 10m

£152

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 7/5

09:00-19:25

1 stop9h 25m

Ljubljana Joze Pucnik

Sat 10/5

20:00-08:15

1 stop13h 15m

£154

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 28/4

06:00-18:35

1 stop11h 35m

Ljubljana Joze Pucnik

Tue 6/5

10:50-16:25

1 stop6h 35m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 26/4

07:45-16:10

1 stop7h 25m

Ljubljana Joze Pucnik

Tue 29/4

18:30-21:35

1 stop4h 05m

£168

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 17/5

16:05-19:20

Nonstop2h 15m

Ljubljana Joze Pucnik

Thu 22/5

19:00-20:20

Nonstop2h 20m

£192

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 11/3

20:25-11:40

2 stops14h 15m

Ljubljana Joze Pucnik

Fri 14/3

12:25-20:50

2 stops9h 25m

£312

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 13/4

19:55-14:25

1 stop17h 30m

£86

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 16/5

08:05-07:40

1 stop22h 35m

£92

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 24/3

06:30-13:05

1 stop5h 35m

£94

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 16 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.

Travel insights for flights from Heathrow to Slovenia

Get recent, data-driven insights about flights from Heathrow to Slovenia including ideal travel times, pricing trends, and more.

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 £327). 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 12% on airfare.

Rainfall in Slovenia by month

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.

Temperature in Slovenia by month

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).

Reviews of airlines servicing Slovenia

See what other customers who have flown with KLM, LOT and SWISS from London to Slovenia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM

7.8

Good

1,331 reviews

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT

7.6

Good

1,080 reviews

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS

7.5

Good

1,568 reviews

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Brussels Airlines

7.4

Good

341 reviews

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Eurowings

6.7

Okay

281 reviews

KLM

7.8

Good

1,331 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2024

YWG - YYZ

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Slovenia one-way?
The cheapest airline one-way is Air Serbia, with whom users have recently found tickets for as low as £86. However, be on the lookout for offers from Eurowings 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 £96. On average you can expect to pay £197. 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 £103). Flying from London Heathrow Airport to Slovenia in July is currently the most expensive (average of £327). 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

Alternative routes for Heathrow to Slovenia

Heathrow to Istanbul flights

Heathrow to Leonardo da Vinci/Fiumicino flights

Gatwick to Lisbon flights

Heathrow to Málaga flights

London City to Istanbul flights

Heathrow to Madrid flights

Heathrow to Lisbon flights

Heathrow to Palma de Mallorca flights

Heathrow to Barcelona-El Prat flights

Heathrow to Amsterdam flights

London City to Leonardo da Vinci/Fiumicino flights

London City to Amsterdam flights

Heathrow to Athens flights

Heathrow to Charles de Gaulle flights

Gatwick to Amsterdam flights

Heathrow to Faro flights

Gatwick to Madrid flights

Gatwick to Leonardo da Vinci/Fiumicino flights

Luton to Barcelona-El Prat flights

Gatwick to Barcelona-El Prat flights

Luton to Lisbon flights

London City to Charles de Gaulle flights

Heathrow to Malpensa flights

Luton to Charles de Gaulle flights

Luton to Edinburgh flights

Gatwick to Charles de Gaulle flights

Stansted to Lisbon flights

Heathrow to Edinburgh flights

London City to Linate flights

Gatwick to Málaga flights

Stansted to Barcelona-El Prat flights

Stansted to Edinburgh flights

Gatwick to Orly flights

Luton to Istanbul flights

Luton to Amsterdam flights

Heathrow to Luqa flights

London City to Lisbon flights

Stansted to Ciampino flights

Gatwick to Edinburgh flights

Gatwick to Palma de Mallorca flights

Stansted to Amsterdam flights

Stansted to Málaga flights

London City to Málaga flights

London City to Barcelona-El Prat flights

Gatwick to Istanbul flights

Heathrow to Orly flights

Luton to Málaga flights

Heathrow to Vicenza flights

Gatwick to Malpensa flights

London City to Edinburgh flights

Direct flights to

Direct flights to London

Direct flights to Alicante

Direct flights to Istanbul

Direct flights to Manchester

Direct flights to Paris

Direct flights to Amsterdam

Direct flights to Edinburgh

Direct flights to Málaga

Direct flights to Dublin

Direct flights to Barcelona

Direct flights to Antalya

Direct flights to Faro

Direct flights to Palma de Mallorca

Direct flights to Santa Cruz de Tenerife

Direct flights to Rome

Direct flights to Belfast

Direct flights to Birmingham

Direct flights to Arrecife

Direct flights to Glasgow

Direct flights to Lisbon

Direct flights to Dalaman

Direct flights to Larnaca

Direct flights to Krakow

Direct flights to Athens

Direct flights to Milan

Direct flights to Bucharest

Direct flights to Tirana

Direct flights to Luqa

Direct flights to Berlin

Direct flights to Madrid

Direct flights to Newcastle upon Tyne

Direct flights to Las Palmas de Gran Canaria

Direct flights to Ibiza

Direct flights to Prague

Direct flights to Budapest

Direct flights to Zurich

Direct flights to Brussels

Direct flights to Frankfurt am Main

Direct flights to Stockholm

Direct flights to Copenhagen

Direct flights to Paphos

Direct flights to Munich

Direct flights to Geneva

Direct flights to Heraklion

Direct flights to Puerto del Rosario

Direct flights to Nice

Direct flights to Naples

Direct flights to Venice

Direct flights to Newquay

Direct flights to Oslo

Top 6 airlines flying from Heathrow to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£73	Average£160	FlexibilityNo cancel fee	On-time86%	Search easyJet flights
British Airways	Cheapest£138	Average£292	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
SWISS	Cheapest£145	Average£212	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Lufthansa	Cheapest£149	Average£222	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Brussels Airlines	Cheapest£152	Average£214	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
LOT	Cheapest£156	Average£225	FlexibilityNo cancel fee	On-time81%	Search LOT 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.

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.

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 13/4. 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 21 February 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 21 February 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 21 February 2025.

Find flights from Heathrow to Slovenia within your budget

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.

Travel insights for flights from Heathrow to Slovenia

Get recent, data-driven insights about flights from Heathrow to Slovenia including ideal travel times, pricing trends, and more.

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 21 February 2025.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

Reviews of airlines servicing Slovenia

See what other customers who have flown with KLM, LOT and SWISS from London to Slovenia have to say. You can also see how each airline compares 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.

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

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?

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.

Top 6 airlines flying from Heathrow to Slovenia

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?

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

Can Cheapflights find flights from Heathrow to Slovenia with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Slovenia become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 21 February 2025.