What is the cheapest airline that flies from London Heathrow to Slovenia?

KLM and Air Serbia are the most popular carriers operating from London Heathrow to Slovenia

Which airlines fly to Slovenia?

British Airways, Lufthansa and SWISS are the top three most popular airlines that fly to Slovenia from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 68% of people opting to fly with this airline when travelling to Slovenia. Keep in mind that there are 4 different airlines that fly to Slovenia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from London Heathrow Airport to Slovenia?

Prices for flights from London Heathrow Airport to Slovenia were last updated today.

How many operators does momondo search for flights from London Heathrow Airport to Slovenia?

As of November 2026, there are 4 operators available to choose from for flights from London Heathrow Airport to Slovenia.

How old do you have to be to fly from London Heathrow Airport to Slovenia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Slovenia.

What documentation or ID do you need to fly to Slovenia?

The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£73 Cheap Flights from London Heathrow Airport to Slovenia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Slovenia

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Cheap return flights

Enter your travel dates to find the best prices.

09:55 - 17:05LHR London Heathrow-LJU Ljubljana Joze Pucnik

6h 10m1 stop Barcelona-El Prat

21:20 - 09:10LJU Ljubljana Joze Pucnik-LHR London Heathrow

12h 50m1 stop Barcelona-El Prat

£139Vueling

Thu, 7 Jan - Sun, 10 Jan

09:55 - 20:30LHR London Heathrow-LJU Ljubljana Joze Pucnik

9h 35m1 stop Barcelona-El Prat

20:45 - 09:10LJU Ljubljana Joze Pucnik-LHR London Heathrow

13h 25m1 stop Barcelona-El Prat

£150Vueling

Sun, 6 Dec - Mon, 21 Dec

09:55 - 20:00LHR London Heathrow-LJU Ljubljana Joze Pucnik

9h 05m1 stop Barcelona-El Prat

09:30 - 12:20LJU Ljubljana Joze Pucnik-LHR London Heathrow

27h 50m1 stop Belgrade Nikola Tesla

£152Multiple Airlines

Mon, 14 Dec - Tue, 15 Dec

09:30 - 21:20LHR London Heathrow-LJU Ljubljana Joze Pucnik

10h 50m1 stop Frankfurt am Main

10:45 - 16:50LJU Ljubljana Joze Pucnik-LHR London Heathrow

7h 05m1 stop Frankfurt am Main

£166Lufthansa

Tue, 1 Dec - Tue, 8 Dec

07:25 - 19:35LHR London Heathrow-LJU Ljubljana Joze Pucnik

11h 10m1 stop Munich Franz Josef Strauss

13:25 - 18:25LJU Ljubljana Joze Pucnik-LHR London Heathrow

6h 00m1 stop Munich Franz Josef Strauss

£169Lufthansa

Fri, 23 Apr - Mon, 26 Apr

07:25 - 12:40LHR London Heathrow-LJU Ljubljana Joze Pucnik

4h 15m1 stop Munich Franz Josef Strauss

13:10 - 18:25LJU Ljubljana Joze Pucnik-LHR London Heathrow

6h 15m1 stop Munich Franz Josef Strauss

£169Lufthansa

Mon, 26 Apr - Sat, 1 May

20:05 - 22:45LHR London Heathrow-LJU Ljubljana Joze Pucnik

25h 40m1 stop Zurich

06:15 - 11:15LJU Ljubljana Joze Pucnik-LHR London Heathrow

6h 00m1 stop Zurich

£186SWISS

Fri, 27 Nov - Sun, 29 Nov

20:05 - 22:45LHR London Heathrow-LJU Ljubljana Joze Pucnik

25h 40m1 stop Zurich

06:15 - 13:00LJU Ljubljana Joze Pucnik-LHR London Heathrow

7h 45m1 stop Zurich

£190SWISS

Fri, 27 Nov - Sun, 29 Nov

17:10 - 20:30LHR London Heathrow-LJU Ljubljana Joze Pucnik

2h 20mdirect

15:10 - 16:35LJU Ljubljana Joze Pucnik-LHR London Heathrow

2h 25mdirect

£206British Airways

Fri, 9 Apr - Mon, 12 Apr

11:00 - 14:15LHR London Heathrow-LJU Ljubljana Joze Pucnik

2h 15mdirect

21:15 - 22:35LJU Ljubljana Joze Pucnik-LHR London Heathrow

2h 20mdirect

£208British Airways

Mon, 19 Apr - Fri, 23 Apr

Cheap last-minute flights

Enter your travel dates to find the best prices.

15:30 - 21:20LHR London Heathrow-LJU Ljubljana Joze Pucnik

4h 50m1 stop Frankfurt am Main

10:45 - 22:20LJU Ljubljana Joze Pucnik-LHR London Heathrow

12h 35m1 stop Frankfurt am Main

£209Lufthansa

Thu, 12 Nov - Wed, 18 Nov

20:25 - 11:40LHR London Heathrow-LJU Ljubljana Joze Pucnik

38h 15m2 stops Amsterdam Schiphol Paris Charles de Gaulle

12:25 - 16:35LJU Ljubljana Joze Pucnik-LHR London Heathrow

5h 10m1 stop Paris Charles de Gaulle

£214Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

06:50 - 13:05LHR London Heathrow-LJU Ljubljana Joze Pucnik

5h 15m1 stop Brussels Bruxelles-National

06:40 - 14:45LJU Ljubljana Joze Pucnik-LHR London Heathrow

9h 05m1 stop Frankfurt am Main

£214Multiple Airlines

Fri, 13 Nov - Wed, 18 Nov

06:50 - 13:05LHR London Heathrow-LJU Ljubljana Joze Pucnik

5h 15m1 stop Brussels Bruxelles-National

13:55 - 17:05LJU Ljubljana Joze Pucnik-LHR London Heathrow

4h 10m1 stop Brussels Bruxelles-National

£215Brussels Airlines

Fri, 13 Nov - Mon, 16 Nov

08:45 - 21:20LHR London Heathrow-LJU Ljubljana Joze Pucnik

11h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main

06:40 - 14:45LJU Ljubljana Joze Pucnik-LHR London Heathrow

9h 05m1 stop Frankfurt am Main

£252Lufthansa

Thu, 12 Nov - Wed, 18 Nov

20:15 - 10:05LHR London Heathrow-LJU Ljubljana Joze Pucnik

12h 50m2 stops Munich Franz Josef Strauss Frankfurt am Main

06:40 - 14:45LJU Ljubljana Joze Pucnik-LHR London Heathrow

9h 05m1 stop Frankfurt am Main

£280Lufthansa

Fri, 13 Nov - Mon, 16 Nov

15:30 - 21:20LHR London Heathrow-LJU Ljubljana Joze Pucnik

4h 50m1 stop Frankfurt am Main

06:40 - 15:50LJU Ljubljana Joze Pucnik-LHR London Heathrow

10h 10m2 stops Frankfurt am Main Munich Franz Josef Strauss

£329Lufthansa

Thu, 12 Nov - Sun, 15 Nov

09:00 - 22:45LHR London Heathrow-LJU Ljubljana Joze Pucnik

12h 45m2 stops Geneva Geneve-Cointrin Zurich

06:15 - 11:15LJU Ljubljana Joze Pucnik-LHR London Heathrow

6h 00m1 stop Zurich

£442SWISS

Sun, 8 Nov - Tue, 10 Nov

14:25 - 22:45LHR London Heathrow-LJU Ljubljana Joze Pucnik

7h 20m2 stops Geneva Geneve-Cointrin Zurich

06:15 - 13:40LJU Ljubljana Joze Pucnik-LHR London Heathrow

8h 25m2 stops Zurich Geneva Geneve-Cointrin

£550SWISS

Sun, 8 Nov - Tue, 10 Nov

14:25 - 22:45LHR London Heathrow-LJU Ljubljana Joze Pucnik

7h 20m2 stops Geneva Geneve-Cointrin Zurich

06:15 - 13:40LJU Ljubljana Joze Pucnik-LHR London Heathrow

8h 25m2 stops Zurich Geneva Geneve-Cointrin

£579SWISS

Sun, 8 Nov - Tue, 10 Nov

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Air Serbia flights from London Heathrow Airport to Slovenia

Our best Air Serbia deals on London Heathrow Airport to Slovenia flight tickets

Air Serbia

31 Dec

LHR13:20London Heathrow

18h 40m

1 stop

LJU09:00Ljubljana Joze Pucnik

6 Jan

LJU09:30Ljubljana Joze Pucnik

27h 50m

1 stop

LHR12:20London Heathrow

£179

Air Serbia

2 May

LHR13:30London Heathrow

24h 15m

1 stop

LJU14:45Ljubljana Joze Pucnik

9 May

LJU09:25Ljubljana Joze Pucnik

10h 15m

1 stop

LHR18:40London Heathrow

£181

Air Serbia

4 Jan

LHR13:20London Heathrow

18h 40m

1 stop

LJU09:00Ljubljana Joze Pucnik

6 Jan

LJU20:45Ljubljana Joze Pucnik

16h 35m

1 stop

LHR12:20London Heathrow

£189

KLM flights from London Heathrow Airport to Slovenia

Our best KLM deals on London Heathrow Airport to Slovenia flight tickets

KLM

5 Dec

LHR06:30London Heathrow

4h 40m

1 stop

LJU12:10Ljubljana Joze Pucnik

8 Dec

LJU12:55Ljubljana Joze Pucnik

4h 10m

1 stop

LHR16:05London Heathrow

£175

KLM

2 Dec

LHR20:25London Heathrow

14h 55m

1 stop

LJU12:20Ljubljana Joze Pucnik

9 Dec

LJU12:55Ljubljana Joze Pucnik

8h 55m

1 stop

LHR20:50London Heathrow

£180

KLM

3 Dec

LHR06:30London Heathrow

4h 50m

1 stop

LJU12:20Ljubljana Joze Pucnik

8 Dec

LJU12:55Ljubljana Joze Pucnik

5h 05m

1 stop

LHR17:00London Heathrow

£186

momondo 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

Cheapest return flight

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Thu 7/1

09:55-17:05

1 stop6h 10m

Ljubljana Joze Pucnik

Sun 10/1

21:20-09:10

1 stop12h 50m

£139

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Sun 6/12

09:55-20:30

1 stop9h 35m

Ljubljana Joze Pucnik

Mon 21/12

20:45-09:10

1 stop13h 25m

£150

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Mon 14/12

09:55-20:00

1 stop9h 05m

Ljubljana Joze Pucnik

Tue 15/12

09:30-12:20

1 stop27h 50m

£152

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Tue 1/12

09:30-21:20

1 stop10h 50m

Ljubljana Joze Pucnik

Tue 8/12

10:45-16:50

1 stop7h 05m

£166

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Fri 23/4

07:25-19:35

1 stop11h 10m

Ljubljana Joze Pucnik

Mon 26/4

13:25-18:25

1 stop6h 00m

£169

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Mon 26/4

07:25-12:40

1 stop4h 15m

Ljubljana Joze Pucnik

Sat 1/5

13:10-18:25

1 stop6h 15m

£169

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Fri 27/11

20:05-22:45

1 stop25h 40m

Ljubljana Joze Pucnik

Sun 29/11

06:15-11:15

1 stop6h 00m

£186

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Fri 27/11

20:05-22:45

1 stop25h 40m

Ljubljana Joze Pucnik

Sun 29/11

06:15-13:00

1 stop7h 45m

£190

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Fri 9/4

17:10-20:30

Nonstop2h 20m

Ljubljana Joze Pucnik

Mon 12/4

15:10-16:35

Nonstop2h 25m

£206

Fastest return journey

LondonLjubljana

LHR London Heathrow - LJU Ljubljana Joze Pucnik

LHRLJU

London Heathrow

Mon 19/4

11:00-14:15

Nonstop2h 15m

Ljubljana Joze Pucnik

Fri 23/4

21:15-22:35

Nonstop2h 20m

£208

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Slovenia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Slovenia?

If you don’t want to visit Slovenia in April, then you should wait until March to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £202.

What is the cheapest day to depart on your flight to Slovenia?

According to our data, Wednesday is the cheapest day to fly to Slovenia from London Heathrow Airport. The lowest ticket price found for a Wednesday departure recently was £274. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Saturday is £320.

What is the cheapest time of day to depart on your flight to Slovenia?

Our data shows that the cheapest London Heathrow Airport to Slovenia flights are usually those with departure times in the afternoon. Our users have found flights to Slovenia in the afternoon for as low as £295. Try not to purchase tickets at midday because they tend to be around £301. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London Heathrow to Slovenia flight route?

Fly from London Heathrow to Ljubljana Joze Pucnik for the best London Heathrow - Slovenia flight prices

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

You are more likely to see cheaper flights to Slovenia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Slovenia for around £250 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Slovenia from London Heathrow Airport for as low as £168 on momondo.

What cabin class options are available on London Heathrow Airport to Slovenia flights?

There are 3 cabin classes available to choose from on London Heathrow Airport to Slovenia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to Slovenia flights?

No. A direct flight is the cheapest option for a flight between London Heathrow Airport to Slovenia.

Cheap London Heathrow Airport to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Slovenia

Best price found	£73
Fastest flight time	2h 10m
Direct flights	Mon, Tue, Thu, Fri, Sat and Sun
Airports in Slovenia	9 airports

The best one-way flight to Slovenia from London Heathrow Airport in the past 72 hours is £73. The best return flight deal from London Heathrow Airport to Slovenia found on momondo in the last 72 hours is £139.

The fastest flight from London Heathrow Airport to Slovenia takes 2h 10m

Direct flights go from London Heathrow Airport to Slovenia on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..

There are 9 airports in Slovenia. From London Heathrow Airport there are direct flights to Ljubljana Joze Pucnik (LJU).

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Slovenia

When did momondo last update prices for flights from London Heathrow Airport to Slovenia?
Prices for flights from London Heathrow Airport to Slovenia were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to Slovenia?
As of November 2026, there are 4 operators available to choose from for flights from London Heathrow Airport to Slovenia.
How old do you have to be to fly from London Heathrow Airport to Slovenia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Slovenia.
What documentation or ID do you need to fly to Slovenia?
The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Slovenia?
Based on momondo bookings for flights between London Heathrow Airport and Slovenia, the leading plane model is Airbus A320-100/200, making up 42.22% of the total bookings. Other popular models include Airbus A319 with 26.67%, Airbus A320neo with 17.04%, and Airbus A321-100/200 with 14.07%.

Best airlines flying from London Heathrow Airport to Slovenia

Compare and see reviews for airlines that fly from London Heathrow Airport to Slovenia with momondo

Airline	Rating	Free Cancellation	Price
easyJet	PriceFrom £114	Free Cancellation	Rating 6.9 1,919 reviews	Search easyJet flights
Lufthansa	PriceFrom £158	Free Cancellation	Rating 6.8 8,297 reviews	Search Lufthansa flights
British Airways	PriceFrom £177	Free Cancellation	Rating 6.7 8,285 reviews	Search British Airways flights
SWISS	PriceFrom £186	Free Cancellation	Rating 7.5 2,111 reviews	Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Slovenia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Slovenia from London.

Can I find flights from London to Slovenia with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Slovenia from London with this policy.

How can momondo help me find flights from London to Slovenia?

Once you have performed a search for London to Slovenia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Slovenia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Slovenia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovenia and let you know when they change.

An easier way to manage your Slovenia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Flights to Ljubljanafrom £67

Cheap flights from London Heathrow Airport to Slovenia from £73

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Air Serbia flights from London Heathrow Airport to Slovenia

Our best Air Serbia deals on London Heathrow Airport to Slovenia flight tickets

KLM flights from London Heathrow Airport to Slovenia

Our best KLM deals on London Heathrow Airport to Slovenia flight tickets

momondo Fare Finder

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

See travel insights to Slovenia from

How to get the cheapest flight ticket from London Heathrow Airport to Slovenia

What is the cheapest month to fly to Slovenia?

What is the cheapest day to depart on your flight to Slovenia?

What is the cheapest time of day to depart on your flight to Slovenia?

What is the cheapest London Heathrow to Slovenia flight route?

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

What cabin class options are available on London Heathrow Airport to Slovenia flights?

Can stopping save me money on London Heathrow Airport to Slovenia flights?

What is the cheapest airline that flies from London Heathrow to Slovenia?

Which airlines fly to Slovenia?

Cheap London Heathrow Airport to Slovenia flight deals and tips

Best price found

Fastest flight time

Direct flights

Airports in Slovenia

Frequently asked questions about flying from London Heathrow Airport to Slovenia

Best airlines flying from London Heathrow Airport to Slovenia

Compare and see reviews for airlines that fly from London Heathrow Airport to Slovenia with momondo

Why use momondo?

An easier way to manage your Slovenia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Slovenia

Popular Cities in Slovenia

Popular flights according to clicks in the last 7 days on momondo

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Slovenia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Slovenia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Slovenia

List of cabin classes available on flights landing in Slovenia. Availability may vary depending on flight origin and airline.

Complete your trip to Slovenia

Explore popular destinations other users love

According to popular flight searches on momondo this year