Cheap flights from Slovenia to London from £54

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — LON
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Slovenia to London

Enter your travel dates to find the best prices.

Cheapest flights from Slovenia to London
Explore the most affordable flight options available from Slovenia to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 December 2025.

Wed 24/1217:55LJU - LGW
Nonstop2h 25measyJet
Wed 31/1217:00LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£105
Wed 31/1220:55LJU - LGW
Nonstop2h 25measyJet
Sun 4/110:40LGW - LJU
Nonstop2h 15measyJet
Deal found 21/12£127
Tue 30/1220:55LJU - LGW
Nonstop2h 25measyJet
Fri 2/105:50LGW - LJU
Nonstop2h 15measyJet
Deal found 22/12£137
Mon 29/1219:55LJU - LGW
Nonstop2h 25measyJet
Sat 3/113:20LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£139
Wed 24/1217:55LJU - LGW
Nonstop2h 25measyJet
Mon 29/1216:10LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£151
Wed 24/1217:55LJU - LGW
Nonstop2h 25measyJet
Tue 30/1217:10LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£153
Tue 30/1220:55LJU - LGW
Nonstop2h 25measyJet
Sat 3/113:20LGW - LJU
Nonstop2h 10measyJet
Deal found 23/12£158
Mon 22/1219:55LJU - LGW
Nonstop2h 25measyJet
Fri 26/1205:50LGW - LJU
Nonstop2h 15measyJet
Deal found 22/12£168
Sun 21/1212:25LJU - LHR
1 stop10h 00mAir France
Wed 24/1217:35LHR - LJU
1 stop17h 05mAir France
Deal found 21/12£171
Fri 26/1210:55LJU - LGW
Nonstop2h 20measyJet
Wed 31/1217:00LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£172
Mon 29/1219:55LJU - LGW
Nonstop2h 25measyJet
Tue 30/1217:10LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£176
Mon 29/1219:55LJU - LGW
Nonstop2h 25measyJet
Wed 21/117:10LGW - LJU
Nonstop2h 10measyJet
Deal found 22/12£178

Find flight deals from Slovenia to London

Keep the following information in mind while searching for Slovenia to London flight deals. Data was last updated 23 December 2025.

Round-trip from

£55

One-way from

£54

Popular in

August

Cheapest in

March

Average price

£147

Good one-way deal

£71 or less
easyJet
  • easyJet
  • 7/2-8/2
  • Nonstop
  • 4h 40m total
  • Slovenia to London
easyJet
  • easyJet
  • 24/5
  • Nonstop
  • 2h 20m total
  • Slovenia to London
Highest demand for flights based on searches. 18% potential increase in price (£28 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a one-way flight from Slovenia to London (LON).

Cheapflights Fare Finder

 
Customise your flight search to find flights from Slovenia to London 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 23 December 2025.
Use the filters below to find and compare flights from Slovenia to London that are best for you.

Fly from

Slovenia

Fly to

London

Route

Depart

Return

Price

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 7/2

17:10-18:35

Nonstop2h 25m

London Gatwick

Sun 8/2

09:30-12:45

Nonstop2h 15m

£68

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 18/4

21:30-22:50

Nonstop2h 20m

London Gatwick

Sat 25/4

17:35-20:50

Nonstop2h 15m

£90

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Tue 14/4

10:25-11:45

Nonstop2h 20m

London Gatwick

Tue 21/4

06:25-09:40

Nonstop2h 15m

£98

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Tue 14/4

10:25-11:45

Nonstop2h 20m

London Gatwick

Wed 22/4

07:05-10:20

Nonstop2h 15m

£98

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Thu 16/4

11:00-12:20

Nonstop2h 20m

London Gatwick

Sat 18/4

17:35-20:50

Nonstop2h 15m

£101

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 18/4

21:30-22:50

Nonstop2h 20m

London Gatwick

Fri 24/4

06:30-09:45

Nonstop2h 15m

£102

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sun 1/2

13:45-15:10

Nonstop2h 25m

London Gatwick

Wed 4/2

17:10-20:20

Nonstop2h 10m

£105

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Wed 15/4

11:00-12:20

Nonstop2h 20m

London Gatwick

Mon 27/4

07:00-10:15

Nonstop2h 15m

£109

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sun 15/3

13:45-15:10

Nonstop2h 25m

London Gatwick

Fri 20/3

07:05-10:20

Nonstop2h 15m

£110

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 14/3

17:10-18:35

Nonstop2h 25m

London Gatwick

Fri 20/3

07:05-10:20

Nonstop2h 15m

£110

Flights are sorted by cheapest return flights first.

Deals found on 22/12

Showing 1-10 of 60 results
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Best time to book a flight from Slovenia to London

Have a flexible travel schedule? Discover the best time to fly to London 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

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

Currently, November is the cheapest month in which you can book a flight from Slovenia to London (average of £55). Flying from Slovenia to London in September is currently the most expensive (average of £188). 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 LON?

Find hourly flight availability from Slovenia to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 December 2025.

When flying from Slovenia to London, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 43% versus a flight in the evening.

How often are flights from Slovenia to London delayed?

About 20% of weekly flights between Slovenia and London have experienced delays in the past year, with the average delay time being 111 minutes.

What is the most punctual flight time for Slovenia to London flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Slovenia to London flights?

Over the past year, easyJet have had the lowest number of delays on this route, with just 18% of flights being delayed.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 23 December 2025.
Read through reviews of airlines operating flights from Slovenia to London, such as easyJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

6.7

Entertainment

5.5

Crew

7.6

Food

5.9

Overall

6.9

Comfort

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Boarding

6.7

Entertainment

5.5

Crew

7.6

Food

5.9

Overall

6.9

Comfort

6.7

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.

Related info for your journey

Find useful and relevant information for your journey from Slovenia to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Slovenia to London?

    For as low as £68, easyJet can have you in London from Slovenia in 2h 25m. There are 747 mi between Slovenia and London. This flight may include one or multiple stops.

  • What are the most popular routes from Slovenia to London?

  • What are the cheapest flights from Slovenia to London?

    Looking at all options, your cheapest flight can be booked for £15. While the most popular route (Ljubljana Joze Pucnik - London Heathrow) can be booked for £153 on average, our data indicates £89 when flying from Slovenia to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Slovenia to London 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?

    Currently, November is the cheapest month in which you can book a flight from Slovenia to London (average of £55). Flying from Slovenia to London in September is currently the most expensive (average of £188). 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

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Alternative routes for Slovenia to London

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Slovenia to London

Discover the top airline that operate flights from Slovenia to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 23 December 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£56Average£94FlexibilityNo cancel feeOn-time86%
Search easyJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Slovenia to London?

Cheapflights helps you search for flights from Slovenia to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Slovenia to London?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to London from Slovenia.

Can Cheapflights find flights from Slovenia to London with no change fees?

Yes, we can. To see specific flights from Slovenia to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Slovenia to London become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to London from Slovenia today and book when prices fit your budget.

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