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Cheap flights from London Heathrow Airport to Slovenia from £78

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 14/12. 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

Enter your travel dates to find the best prices.
Lufthansa Logo
06:35 - 19:30LHR-LJU
11h 55m1 stop
Lufthansa Logo
09:45 - 19:35LJU-LHR
10h 50m1 stop
£150Lufthansa
Find Deal
Fri, 6 Feb - Sat, 14 Feb
Lufthansa Logo
06:35 - 12:40LHR-LJU
5h 05m1 stop
Lufthansa Logo
09:45 - 13:00LJU-LHR
4h 15m1 stop
£151Lufthansa
Find Deal
Thu, 11 Dec - Sun, 14 Dec
Lufthansa Logo
06:35 - 12:40LHR-LJU
5h 05m1 stop
Lufthansa Logo
09:45 - 13:00LJU-LHR
4h 15m1 stop
£151Lufthansa
Find Deal
Thu, 11 Dec - Mon, 15 Dec
Lufthansa Logo
20:15 - 09:05LHR-LJU
11h 50m1 stop
Lufthansa Logo
10:00 - 17:05LJU-LHR
8h 05m1 stop
£152Lufthansa
Find Deal
Sun, 11 Jan - Wed, 21 Jan
Multiple Airlines Logo
06:50 - 12:55LHR-LJU
5h 05m1 stop
Multiple Airlines Logo
09:45 - 15:50LJU-LHR
7h 05m1 stop
£154Multiple Airlines
Find Deal
Wed, 19 Nov - Sat, 22 Nov
LOT Logo
06:30 - 13:05LHR-LJU
5h 35m1 stop
LOT Logo
13:45 - 09:35LJU-LHR
20h 50m1 stop
£156LOT
Find Deal
Wed, 3 Dec - Wed, 10 Dec
LOT Logo
10:35 - 13:05LHR-LJU
25h 30m1 stop
LOT Logo
13:45 - 22:00LJU-LHR
9h 15m1 stop
£160LOT
Find Deal
Sun, 16 Nov - Sun, 23 Nov
Multiple Airlines Logo
06:00 - 13:35LHR-LJU
6h 35m1 stop
Multiple Airlines Logo
10:35 - 14:45LJU-LHR
5h 10m1 stop
£162Multiple Airlines
Find Deal
Thu, 27 Nov - Sun, 30 Nov
SWISS Logo
20:05 - 14:00LHR-LJU
16h 55m1 stop
SWISS Logo
14:55 - 17:50LJU-LHR
3h 55m1 stop
£175SWISS
Find Deal
Fri, 12 Dec - Wed, 17 Dec
KLM Logo
06:30 - 12:20LHR-LJU
4h 50m1 stop
KLM Logo
12:50 - 16:05LJU-LHR
4h 15m1 stop
£176KLM
Find Deal
Thu, 1 Jan - Fri, 9 Jan

Lufthansa flights from London Heathrow Airport to Slovenia

Our best Lufthansa deals on London Heathrow Airport to Slovenia flight tickets
Lufthansa
6 Feb
LHR06:35London Heathrow
11h 55m
1 stop
LJU19:30Ljubljana Joze Pucnik
14 Feb
LJU09:45Ljubljana Joze Pucnik
10h 50m
1 stop
LHR19:35London Heathrow
£150
Find similar
Lufthansa
11 Dec
LHR06:35London Heathrow
5h 05m
1 stop
LJU12:40Ljubljana Joze Pucnik
14 Dec
LJU09:45Ljubljana Joze Pucnik
4h 15m
1 stop
LHR13:00London Heathrow
£151
Find similar
Lufthansa
11 Dec
LHR06:35London Heathrow
5h 05m
1 stop
LJU12:40Ljubljana Joze Pucnik
15 Dec
LJU09:45Ljubljana Joze Pucnik
4h 15m
1 stop
LHR13:00London Heathrow
£151
Find similar

LOT flights from London Heathrow Airport to Slovenia

Our best LOT deals on London Heathrow Airport to Slovenia flight tickets
LOT
3 Dec
LHR06:30London Heathrow
5h 35m
1 stop
LJU13:05Ljubljana Joze Pucnik
10 Dec
LJU13:45Ljubljana Joze Pucnik
20h 50m
1 stop
LHR09:35London Heathrow
£156
Find similar
LOT
16 Nov
LHR10:35London Heathrow
25h 30m
1 stop
LJU13:05Ljubljana Joze Pucnik
23 Nov
LJU13:45Ljubljana Joze Pucnik
9h 15m
1 stop
LHR22:00London Heathrow
£160
Find similar
LOT
26 Nov
LHR06:30London Heathrow
5h 35m
1 stop
LJU13:05Ljubljana Joze Pucnik
29 Nov
LJU17:10Ljubljana Joze Pucnik
17h 25m
1 stop
LHR09:35London Heathrow
£162
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 21 October 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

Fri 6/2

06:35-19:30

1 stop11h 55m

Ljubljana Joze Pucnik

Sat 14/2

09:45-19:35

1 stop10h 50m

£150

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 11/12

06:35-12:40

1 stop5h 05m

Ljubljana Joze Pucnik

Sun 14/12

09:45-13:00

1 stop4h 15m

£151

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 11/12

06:35-12:40

1 stop5h 05m

Ljubljana Joze Pucnik

Mon 15/12

09:45-13:00

1 stop4h 15m

£151

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 11/1

20:15-09:05

1 stop11h 50m

Ljubljana Joze Pucnik

Wed 21/1

10:00-17:05

1 stop8h 05m

£152

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 19/11

06:50-12:55

1 stop5h 05m

Ljubljana Joze Pucnik

Sat 22/11

09:45-15:50

1 stop7h 05m

£154

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 3/12

06:30-13:05

1 stop5h 35m

Ljubljana Joze Pucnik

Wed 10/12

13:45-09:35

1 stop20h 50m

£156

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 16/11

10:35-13:05

1 stop25h 30m

Ljubljana Joze Pucnik

Sun 23/11

13:45-22:00

1 stop9h 15m

£160

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 27/11

06:00-13:35

1 stop6h 35m

Ljubljana Joze Pucnik

Sun 30/11

10:35-14:45

1 stop5h 10m

£162

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 12/12

20:05-14:00

1 stop16h 55m

Ljubljana Joze Pucnik

Wed 17/12

14:55-17:50

1 stop3h 55m

£175

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 1/1

06:30-12:20

1 stop4h 50m

Ljubljana Joze Pucnik

Fri 9/1

12:50-16:05

1 stop4h 15m

£176

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 £163.

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 £254. 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 Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Wednesday is £324.

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 £152. Try not to purchase tickets in the morning because they tend to be around £288. 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 £229 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 £182 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.

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

£109

Fastest flight time

2h 15m

Direct flights

Tue

Airports in Slovenia

1 airport
The best one-way flight to Slovenia from London Heathrow Airport in the past 72 hours is £109. The best return flight deal from London Heathrow Airport to Slovenia found on momondo in the last 72 hours is £216.
The fastest flight from London Heathrow Airport to Slovenia takes 2h 15m
Direct flights go from London Heathrow Airport to Slovenia on Tuesday. Airline offering direct flights is British Airways..
There is 1 airport near Slovenia: Ljubljana Joze Pucnik (LJU)
Search flight deals

  • 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 £93Free CancellationRating
6.9
1,838 reviews
Search easyJet flights
LOTPriceFrom £135Free CancellationRating
7.6
1,133 reviews
Search LOT flights
SWISSPriceFrom £137Free CancellationRating
7.5
1,771 reviews
Search SWISS flights
British AirwaysPriceFrom £146Free CancellationRating
6.7
7,461 reviews
Search British Airways flights
LufthansaPriceFrom £149Free CancellationRating
6.8
7,508 reviews
Search Lufthansa flights
Brussels AirlinesPriceFrom £155Free CancellationRating
7.2
366 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.

An easier way to manage your Slovenia trip

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