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Cheap flights from Slovenia to London Heathrow Airport from £58

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — LHR
6 May — 13 May1
1 adult

Cheap flight deals from Slovenia to Heathrow

Keep the following information in mind while searching for Slovenia to Heathrow flight deals. Data was last updated 1 May 2025.

Round-trip from

£131

One-way from

£58

Popular in

August

Cheapest in

March

Average price

£201

Good round-trip deal

£148 or less

Good one-way deal

£103 or less
Air Serbia
  • Air Serbia
  • 14/5-17/5
  • 2 total stops
  • 28h 45m total
  • Slovenia to London
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Air Serbia
  • Air Serbia
  • 18/10
  • 1 total stop
  • 5h 10m total
  • Slovenia to London
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Highest demand for flights based on searches. 25% potential increase in price (£42 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Slovenia to London Heathrow.
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Price to beat on a one-way flight from Slovenia to London Heathrow.
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Find flight deals from Slovenia to Heathrow

Cheapest flights from Slovenia to Heathrow
Explore the most affordable flight options available from Slovenia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 May 2025.

Wed 14/520:45LJU - LHR
1 stop16h 45mAir Serbia
Sat 17/519:55LHR - LJU
1 stop12h 00mAir Serbia
Deal found 30/4£131
Sat 11/1014:55LJU - LHR
1 stop5h 10mMultiple Airlines
Mon 13/1011:00LHR - LJU
Nonstop2h 15mMultiple Airlines
Deal found 30/4£146
Fri 10/1021:05LJU - LHR
Nonstop2h 20mBritish Airways
Mon 13/1011:00LHR - LJU
Nonstop2h 15mBritish Airways
Deal found 30/4£151
Thu 19/619:20LJU - LHR
1 stop13h 35mSWISS
Mon 23/618:40LHR - LJU
1 stop14h 25mSWISS
Deal found 1/5£159
Thu 9/1018:35LJU - LHR
1 stop4h 00mBrussels Airlines
Tue 14/1011:05LHR - LJU
1 stop5h 40mBrussels Airlines
Deal found 30/4£160
Thu 9/1006:40LJU - LHR
1 stop5h 00mLufthansa
Sat 18/1013:45LHR - LJU
1 stop4h 40mLufthansa
Deal found 30/4£168
Tue 24/617:05LJU - LHR
1 stop17h 15mLOT
Fri 27/606:30LHR - LJU
1 stop8h 50mLOT
Deal found 30/4£213
Fri 6/620:10LJU - LHR
1 stop14h 40mTurkish Airlines
Mon 9/616:40LHR - LJU
1 stop14h 50mTurkish Airlines
Deal found 30/4£291
Tue 6/512:20LJU - LHR
2 stops20h 20mKLM
Fri 9/520:55LHR - LJU
2 stops13h 40mKLM
Deal found 30/4£350

Cheapflights Fare Finder

Customise your flight search to find flights from Slovenia to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 1 May 2025.
Use the filters below to find and compare flights from Slovenia to London Heathrow Airport that are best for you.

Fly from

Slovenia

Fly to

Heathrow

Route

Depart

Return

Price

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 14/5

20:45-12:30

1 stop16h 45m

London Heathrow

Sat 17/5

19:55-08:55

1 stop12h 00m

£131

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 11/10

14:55-19:05

1 stop5h 10m

London Heathrow

Mon 13/10

11:00-14:15

Nonstop2h 15m

£146

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 10/10

21:05-22:25

Nonstop2h 20m

London Heathrow

Mon 13/10

11:00-14:15

Nonstop2h 15m

£151

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Thu 19/6

19:20-07:55

1 stop13h 35m

London Heathrow

Mon 23/6

18:40-10:05

1 stop14h 25m

£159

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Thu 9/10

18:35-21:35

1 stop4h 00m

London Heathrow

Tue 14/10

11:05-17:45

1 stop5h 40m

£160

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Thu 9/10

06:40-10:40

1 stop5h 00m

London Heathrow

Sat 18/10

13:45-19:25

1 stop4h 40m

£168

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Tue 24/6

17:05-09:20

1 stop17h 15m

London Heathrow

Fri 27/6

06:30-16:20

1 stop8h 50m

£213

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 6/6

20:10-09:50

1 stop14h 40m

London Heathrow

Mon 9/6

16:40-08:30

1 stop14h 50m

£291

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Thu 5/6

12:35-17:35

1 stop6h 00m

London Heathrow

Fri 6/6

20:55-11:35

2 stops13h 40m

£379

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Sat 18/10

14:55-19:05

1 stop5h 10m

£58

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 18 results
1
2

Best time to book a flight from Slovenia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Slovenia 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.

Cheapflights Insights

Everything you need to know about your flight from Slovenia to London Heathrow Airport

What is the cheapest month to book a flight from Slovenia to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £112). Flying from Slovenia to London Heathrow Airport in August is currently the most expensive (average of £164). 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 SI to LHR?

Find hourly flight availability from Slovenia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2025.

It’s typically best to fly out from Slovenia to London Heathrow Airport at midday. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 1 May 2025.
See what other customers who have flown with KLM, LOT and SWISS from Slovenia to London 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
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,334 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,069 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,588 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Qatar Airways
7.4
Good
3,563 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Turkish Airlines
7.3
Good
3,790 reviews
KLM
7.8
Good
1,334 reviews
Check prices

Food

7.2

Crew

8.4

Overall

7.8

Entertainment

7.1

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

Related info for your journey

Find useful and relevant information for your journey from Slovenia to Heathrow. 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 Slovenia to London Heathrow Airport one-way?

    £58 is the cheapest one-way deal found within the past few days, from Air Serbia. You may also be able to find cheap deals on British Airways and KLM, with prices starting from £68 and £82, respectively.

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

    While on average a flight from Slovenia to London Heathrow Airport is generally £205, our data shows the cheapest flight currently is £90. When looking at the most popular route, (Ljubljana Joze Pucnik - London Heathrow), you can expect to pay £159 for that flight.

  • Can I find deals for flights from Slovenia to Heathrow that include hotel bookings?

    Yes. In addition to deals on Slovenia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Slovenia to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Slovenia to Heathrow.

  • Can I find deals for business class flights from Slovenia to Heathrow?

    Yes. Cheapflights offers flight deals from Slovenia to Heathrow 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 Slovenia to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Slovenia to London Heathrow Airport (average of £112). Flying from Slovenia to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near Slovenia?

Book flights to Slovenia if you plan to visit one of these locations
Deal
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Northampton
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Ilford
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Wembley
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Folkestone
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Winchester

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