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Cheap flights from London Heathrow Airport to Slovenia from £89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Slovenia departing on 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London Heathrow Airport to Slovenia

Cheap return flights

Air Serbia Logo
13:30 - 09:00LHR-LJU
18h 30m1 stop
Air Serbia Logo
14:55 - 12:30LJU-LHR
22h 35m1 stop
£155Air Serbia
Find Deal
Wed, 8 Oct - Sat, 11 Oct
Logo
13:45 - 22:25LHR-LJU
7h 40m1 stop
Logo
13:40 - 21:20LJU-LHR
8h 40m1 stop
£158
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Logo
13:50 - 19:30LHR-LJU
4h 40m1 stop
Logo
06:30 - 11:15LJU-LHR
5h 45m1 stop
£159
Find Deal
Fri, 5 Dec - Sun, 7 Dec
Air Serbia Logo
13:30 - 09:00LHR-LJU
18h 30m1 stop
Air Serbia Logo
14:55 - 19:05LJU-LHR
5h 10m1 stop
£160Air Serbia
Find Deal
Tue, 7 Oct - Sat, 11 Oct
Lufthansa Logo
11:10 - 19:30LHR-LJU
7h 20m1 stop
Lufthansa Logo
13:20 - 18:35LJU-LHR
6h 15m1 stop
£162Lufthansa
Find Deal
Thu, 5 Mar - Tue, 10 Mar
Brussels Airlines Logo
11:05 - 17:45LHR-LJU
5h 40m1 stop
Brussels Airlines Logo
18:35 - 21:35LJU-LHR
4h 00m1 stop
£164Brussels Airlines
Find Deal
Mon, 6 Oct - Fri, 10 Oct
Lufthansa Logo
11:10 - 19:30LHR-LJU
7h 20m1 stop
Lufthansa Logo
09:45 - 17:05LJU-LHR
8h 20m1 stop
£166Lufthansa
Find Deal
Thu, 13 Nov - Sun, 16 Nov
SWISS Logo
17:10 - 22:30LHR-LJU
4h 20m1 stop
SWISS Logo
14:55 - 17:50LJU-LHR
3h 55m1 stop
£169SWISS
Find Deal
Fri, 7 Nov - Tue, 11 Nov
SWISS Logo
09:00 - 14:00LHR-LJU
4h 00m1 stop
SWISS Logo
14:55 - 19:15LJU-LHR
5h 20m1 stop
£170SWISS
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Sat, 8 Nov - Tue, 11 Nov
LOT Logo
18:20 - 13:05LHR-LJU
17h 45m1 stop
LOT Logo
17:10 - 09:35LJU-LHR
17h 25m1 stop
£191LOT
Find Deal
Tue, 17 Feb - Sat, 21 Feb

Lufthansa flights from London Heathrow Airport to Slovenia

Our best Lufthansa deals on London Heathrow Airport to Slovenia flight tickets
Lufthansa
5 Mar
LHR11:10London Heathrow
7h 20m
1 stop
LJU19:30Ljubljana Joze Pucnik
10 Mar
LJU13:20Ljubljana Joze Pucnik
6h 15m
1 stop
LHR18:35London Heathrow
£162
Find similar
Lufthansa
13 Nov
LHR11:10London Heathrow
7h 20m
1 stop
LJU19:30Ljubljana Joze Pucnik
16 Nov
LJU09:45Ljubljana Joze Pucnik
8h 20m
1 stop
LHR17:05London Heathrow
£166
Find similar
Lufthansa
26 Dec
LHR20:15London Heathrow
11h 50m
1 stop
LJU09:05Ljubljana Joze Pucnik
1 Jan
LJU20:10Ljubljana Joze Pucnik
12h 55m
1 stop
LHR08:05London Heathrow
£177
Find similar

SWISS flights from London Heathrow Airport to Slovenia

Our best SWISS deals on London Heathrow Airport to Slovenia flight tickets
SWISS
7 Nov
LHR17:10London Heathrow
4h 20m
1 stop
LJU22:30Ljubljana Joze Pucnik
11 Nov
LJU14:55Ljubljana Joze Pucnik
3h 55m
1 stop
LHR17:50London Heathrow
£169
Find similar
SWISS
8 Nov
LHR09:00London Heathrow
4h 00m
1 stop
LJU14:00Ljubljana Joze Pucnik
11 Nov
LJU14:55Ljubljana Joze Pucnik
5h 20m
1 stop
LHR19:15London Heathrow
£170
Find similar
SWISS
8 Nov
LHR06:00London Heathrow
7h 00m
1 stop
LJU14:00Ljubljana Joze Pucnik
10 Nov
LJU06:30Ljubljana Joze Pucnik
10h 50m
1 stop
LHR16:20London Heathrow
£174
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
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

Wed 8/10

13:30-09:00

1 stop18h 30m

Ljubljana Joze Pucnik

Sat 11/10

14:55-12:30

1 stop22h 35m

£155

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 29/10

13:45-22:25

1 stop7h 40m

Ljubljana Joze Pucnik

Wed 5/11

13:40-21:20

1 stop8h 40m

£158

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 5/12

13:50-19:30

1 stop4h 40m

Ljubljana Joze Pucnik

Sun 7/12

06:30-11:15

1 stop5h 45m

£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

Thu 5/3

11:10-19:30

1 stop7h 20m

Ljubljana Joze Pucnik

Tue 10/3

13:20-18:35

1 stop6h 15m

£162

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Mon 6/10

11:05-17:45

1 stop5h 40m

Ljubljana Joze Pucnik

Fri 10/10

18:35-21:35

1 stop4h 00m

£164

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 13/11

11:10-19:30

1 stop7h 20m

Ljubljana Joze Pucnik

Sun 16/11

09:45-17:05

1 stop8h 20m

£166

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 7/11

17:10-22:30

1 stop4h 20m

Ljubljana Joze Pucnik

Tue 11/11

14:55-17:50

1 stop3h 55m

£169

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 8/11

09:00-14:00

1 stop4h 00m

Ljubljana Joze Pucnik

Tue 11/11

14:55-19:15

1 stop5h 20m

£170

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 17/2

18:20-13:05

1 stop17h 45m

Ljubljana Joze Pucnik

Sat 21/2

17:10-09:35

1 stop17h 25m

£191

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Slovenia from

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

What is the cheapest month to fly to Slovenia?

If you don’t want to visit Slovenia in January, then you should wait until February to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £160.

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

According to our data, Tuesday is the cheapest day to fly to Slovenia from London Heathrow Airport. The lowest ticket price found for a Tuesday departure recently was £244. 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 Monday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Monday is £306.

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 evening. Our users have found flights to Slovenia in the evening for as low as £150. Try not to purchase tickets in the morning because they tend to be around £285. 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 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 £223 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 £171 on momondo.

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

There are 2 cabin classes available to choose from on London Heathrow to Slovenia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

£147

Fastest flight time

2h 10m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Slovenia

1 airport
The best one-way flight to Slovenia from London Heathrow Airport in the past 72 hours is £147. The best return flight deal from London Heathrow Airport to Slovenia found on momondo in the last 72 hours is £215.
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. Airline offering direct flights is British Airways..
There is 1 airport near Slovenia: Ljubljana Joze Pucnik (LJU)
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  • 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?

  • 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?

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
easyJetPriceFrom £67Free CancellationRating
6.9
1,820 reviews
Search easyJet flights
SWISSPriceFrom £135Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
LufthansaPriceFrom £140Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
British AirwaysPriceFrom £140Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LOTPriceFrom £145Free CancellationRating
7.6
1,114 reviews
Search LOT flights
Brussels AirlinesPriceFrom £145Free CancellationRating
7.2
359 reviews
Search Brussels Airlines 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.

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