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Cheap flights from London Heathrow Airport to Slovenia from £75

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 21/10. 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

Enter your travel dates to find the best prices.
KLM Logo
20:55 - 22:55
LHR
-
LJU
25h 00m
1 stop
KLM Logo
06:00 - 07:40
LJU
-
LHR
26h 40m
1 stop
£157KLM
Wed, 8 Jul - Sun, 12 Jul
LOT Logo
06:30 - 16:20
LHR
-
LJU
8h 50m
1 stop
LOT Logo
13:30 - 09:20
LJU
-
LHR
20h 50m
1 stop
£163LOT
Fri, 16 Oct - Mon, 19 Oct
KLM Logo
20:55 - 22:55
LHR
-
LJU
25h 00m
1 stop
KLM Logo
06:00 - 07:40
LJU
-
LHR
26h 40m
1 stop
£168KLM
Wed, 8 Jul - Sun, 12 Jul
LOT Logo
10:20 - 16:20
LHR
-
LJU
5h 00m
1 stop
LOT Logo
17:05 - 22:00
LJU
-
LHR
5h 55m
1 stop
£171LOT
Fri, 16 Oct - Tue, 20 Oct
LOT Logo
06:30 - 16:20
LHR
-
LJU
8h 50m
1 stop
LOT Logo
13:30 - 22:00
LJU
-
LHR
9h 30m
1 stop
£172LOT
Fri, 16 Oct - Mon, 19 Oct
Lufthansa Logo
09:00 - 19:30
LHR
-
LJU
9h 30m
1 stop
Lufthansa Logo
09:40 - 15:40
LJU
-
LHR
7h 00m
1 stop
£173Lufthansa
Thu, 4 Jun - Tue, 9 Jun
Multiple Airlines Logo
06:30 - 16:20
LHR
-
LJU
8h 50m
1 stop
Multiple Airlines Logo
09:25 - 12:30
LJU
-
LHR
28h 05m
1 stop
£174Multiple Airlines
Tue, 20 Oct - Fri, 23 Oct
Multiple Airlines Logo
06:30 - 12:45
LHR
-
LJU
5h 15m
1 stop
Multiple Airlines Logo
09:25 - 19:05
LJU
-
LHR
10h 40m
1 stop
£175Multiple Airlines
Sun, 6 Sep - Sat, 19 Sep
Lufthansa Logo
13:35 - 19:25
LHR
-
LJU
4h 50m
1 stop
Lufthansa Logo
09:50 - 12:50
LJU
-
LHR
4h 00m
1 stop
£177Lufthansa
Thu, 11 Jun - Sun, 14 Jun
Multiple Airlines Logo
18:10 - 16:20
LHR
-
LJU
21h 10m
1 stop
Multiple Airlines Logo
20:40 - 19:05
LJU
-
LHR
23h 25m
1 stop
£178Multiple Airlines
Sat, 19 Sep - Fri, 25 Sep

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LOT flights from London Heathrow Airport to Slovenia

Our best LOT deals on London Heathrow Airport to Slovenia flight tickets
LOT
16 Oct
LHR06:30London Heathrow
8h 50m
1 stop
LJU16:20Ljubljana Joze Pucnik
19 Oct
LJU13:30Ljubljana Joze Pucnik
20h 50m
1 stop
LHR09:20London Heathrow
£163
LOT
16 Oct
LHR10:20London Heathrow
5h 00m
1 stop
LJU16:20Ljubljana Joze Pucnik
20 Oct
LJU17:05Ljubljana Joze Pucnik
5h 55m
1 stop
LHR22:00London Heathrow
£171
LOT
16 Oct
LHR06:30London Heathrow
8h 50m
1 stop
LJU16:20Ljubljana Joze Pucnik
19 Oct
LJU13:30Ljubljana Joze Pucnik
9h 30m
1 stop
LHR22:00London Heathrow
£172

Brussels Airlines flights from London Heathrow Airport to Slovenia

Our best Brussels Airlines deals on London Heathrow Airport to Slovenia flight tickets
Brussels Airlines
5 Jun
LHR06:50London Heathrow
9h 55m
1 stop
LJU17:45Ljubljana Joze Pucnik
9 Jun
LJU18:30Ljubljana Joze Pucnik
4h 05m
1 stop
LHR21:35London Heathrow
£192
Brussels Airlines
8 Jun
LHR06:50London Heathrow
9h 55m
1 stop
LJU17:45Ljubljana Joze Pucnik
13 Jun
LJU18:30Ljubljana Joze Pucnik
4h 05m
1 stop
LHR21:35London Heathrow
£198
Brussels Airlines
6 Jun
LHR06:50London Heathrow
9h 55m
1 stop
LJU17:45Ljubljana Joze Pucnik
13 Jun
LJU18:30Ljubljana Joze Pucnik
4h 05m
1 stop
LHR21:35London Heathrow
£200

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 1 May 2026.
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 - LJU

LHRLJU

London Heathrow

Wed 8/7

20:55-22:55

1 stop25h 00m

Ljubljana Joze Pucnik

Sun 12/7

06:00-07:40

1 stop26h 40m

£157

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 16/10

06:30-16:20

1 stop8h 50m

Ljubljana Joze Pucnik

Mon 19/10

13:30-09:20

1 stop20h 50m

£163

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Wed 8/7

20:55-22:55

1 stop25h 00m

Ljubljana Joze Pucnik

Sun 12/7

06:00-07:40

1 stop26h 40m

£168

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 16/10

10:20-16:20

1 stop5h 00m

Ljubljana Joze Pucnik

Tue 20/10

17:05-22:00

1 stop5h 55m

£171

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Fri 16/10

06:30-16:20

1 stop8h 50m

Ljubljana Joze Pucnik

Mon 19/10

13:30-22:00

1 stop9h 30m

£172

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 4/6

09:00-19:30

1 stop9h 30m

Ljubljana Joze Pucnik

Tue 9/6

09:40-15:40

1 stop7h 00m

£173

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Tue 20/10

06:30-16:20

1 stop8h 50m

Ljubljana Joze Pucnik

Fri 23/10

09:25-12:30

1 stop28h 05m

£174

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sun 6/9

06:30-12:45

1 stop5h 15m

Ljubljana Joze Pucnik

Sat 19/9

09:25-19:05

1 stop10h 40m

£175
Fastest return journey

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Thu 11/6

13:35-19:25

1 stop4h 50m

Ljubljana Joze Pucnik

Sun 14/6

09:50-12:50

1 stop4h 00m

£177

LondonLjubljana

LHR - LJU

LHRLJU

London Heathrow

Sat 19/9

18:10-16:20

1 stop21h 10m

Ljubljana Joze Pucnik

Fri 25/9

20:40-19:05

1 stop23h 25m

£178

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September, then you should wait until October to fly from London Heathrow Airport, when ticket prices are also cheap, with an average price of £74.

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

According to our data, Friday is the cheapest day to fly to Slovenia from London Heathrow Airport. The lowest ticket price found for a Friday departure recently was £273. 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 £321.

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 £285. Try not to purchase tickets at midday because they tend to be around £299. 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 £241 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 £225 on momondo.

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

You could potentially save up to 46% on your flight if you consider stops on a London Heathrow Airport to Slovenia flight.

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

£238

Fastest flight time

2h 10m

Direct flights

Every day

Airports in Slovenia

9 airports
The best flight deal from London Heathrow Airport to Slovenia found on momondo in the last 72 hours is £238
The fastest flight from London Heathrow Airport to Slovenia takes 2h 10m
Direct flights go from London Heathrow Airport to Slovenia every day.
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?

  • 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 £112Free CancellationRating
6.9
1,897 reviews
Search easyJet flights
LOTPriceFrom £148Free CancellationRating
7.5
1,192 reviews
Search LOT flights
Brussels AirlinesPriceFrom £156Free CancellationRating
7.2
404 reviews
Search Brussels Airlines flights
LufthansaPriceFrom £156Free CancellationRating
6.8
7,964 reviews
Search Lufthansa flights
SWISSPriceFrom £165Free CancellationRating
7.6
1,926 reviews
Search SWISS flights
British AirwaysPriceFrom £183Free CancellationRating
6.7
7,937 reviews
Search British Airways 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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