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Cheap flights from Slovenia to London from £43

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
LJU — LON
25 Apr — 2 May1
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 26 March 2026.

Thu 2/411:05
LJU
-
LGW
Nonstop2h 20m
easyJet
Tue 21/406:25
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 24/3£93
Sat 2/521:30
LJU
-
LGW
Nonstop2h 25m
easyJet
Tue 5/506:25
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 22/3£94
Wed 3/611:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Tue 9/606:25
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 25/3£98
Sat 17/1021:30
LJU
-
LGW
Nonstop2h 25m
easyJet
Fri 23/1006:40
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 25/3£100
Thu 7/511:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Mon 11/507:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 23/3£105
Sat 28/317:10
LJU
-
LGW
Nonstop2h 25m
easyJet
Mon 20/407:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 21/3£106
Sat 2/521:30
LJU
-
LGW
Nonstop2h 25m
easyJet
Sun 10/508:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 22/3£107
Wed 29/414:00
LJU
-
LTN
1 stop9h 10m
Multiple Airlines
Wed 6/515:00
LTN
-
LJU
1 stop21h 20m
Multiple Airlines
Deal found 22/3£107
Sat 18/421:35
LJU
-
LGW
Nonstop2h 20m
easyJet
Sun 19/408:00
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 23/3£108
Wed 6/511:00
LJU
-
LGW
Nonstop2h 20m
easyJet
Tue 12/506:25
LGW
-
LJU
Nonstop2h 15m
easyJet
Deal found 23/3£109
Thu 30/419:40
LJU
-
LTN
1 stop23h 25m
Multiple Airlines
Wed 6/515:00
LTN
-
LJU
1 stop21h 20m
Multiple Airlines
Deal found 22/3£113
Wed 13/514:00
LJU
-
LTN
1 stop9h 10m
Multiple Airlines
Sun 17/515:00
LTN
-
LJU
1 stop27h 40m
Multiple Airlines
Deal found 21/3£124

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 26 March 2026.

Round-trip from

£94

One-way from

£43

Popular in

July

Cheapest in

March

Average price

£122

Good round-trip deal

£145 or less

Good one-way deal

£69 or less
easyJet
  • easyJet
  • 2/5-5/5
  • Nonstop
  • 4h 40m total
  • Slovenia to London
Search Deals
easyJet
  • easyJet
  • 2/5
  • Nonstop
  • 2h 25m total
  • Slovenia to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Slovenia to London (LON).
Search Deals
Price to beat on a one-way flight from Slovenia to London (LON).
Search Deals

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 26 March 2026.
Use the filters below to find and compare flights from Slovenia to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 18/4

21:35-22:55

Nonstop2h 20m

London Gatwick

Sat 25/4

17:35-20:50

Nonstop2h 15m

£132

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Thu 30/4

11:00-12:20

Nonstop2h 20m

London Gatwick

Mon 4/5

07:00-10:15

Nonstop2h 15m

£147

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

£150

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Wed 3/6

20:40-12:30

1 stop16h 50m

London Heathrow

Tue 9/6

13:30-08:50

1 stop18h 20m

£152

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 8/5

20:40-12:30

1 stop16h 50m

London Heathrow

Wed 13/5

13:30-08:50

1 stop18h 20m

£152

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Sat 13/6

21:30-22:55

Nonstop2h 25m

London Gatwick

Mon 15/6

07:00-10:15

Nonstop2h 15m

£158

LjubljanaLondon

LJU - LGW

LJULGW

Ljubljana Joze Pucnik

Wed 3/6

11:00-12:20

Nonstop2h 20m

London Gatwick

Sun 14/6

07:30-14:30

1 stop6h 00m

£159

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Fri 17/4

21:15-22:35

Nonstop2h 20m

London Heathrow

Sun 19/4

17:15-20:35

Nonstop2h 20m

£159

LjubljanaLondon

LJU - LHR

LJULHR

Ljubljana Joze Pucnik

Tue 28/4

10:50-19:20

1 stop9h 30m

London Heathrow

Mon 4/5

20:05-10:05

1 stop13h 00m

£161

LjubljanaLondon

LJU - LTN

LJULTN

Ljubljana Joze Pucnik

Sat 2/5

13:55-08:30

2 stops19h 35m

London Luton

Tue 5/5

05:00-08:50

2 stops26h 50m

£164

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 July is currently the most expensive (average of £235). 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 26 March 2026.

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 51% versus a flight in the morning.

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 19% 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 26 March 2026.
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.
easyJet
6.9
Okay
1,888 reviews
Check prices

Entertainment

5.5

Comfort

6.7

Crew

7.6

Boarding

6.7

Food

5.9

Overall

6.9

Reviews

1 / 20
4.0
Okay

Matt,Sept 2025

JTR - LGW

Boarding was a disaster. They are Nazis with the bags.
easyJet
6.9
Okay
1,888 reviews
easyJet
6.9
Okay
1,888 reviews
Check prices

Entertainment

5.5

Comfort

6.7

Crew

7.6

Boarding

6.7

Food

5.9

Overall

6.9

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 £132, easyJet can have you in London from Slovenia in 2h 20m. 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?

    While some choose either Ljubljana Joze Pucnik - London Stansted or Ljubljana Joze Pucnik - London Luton, Ljubljana Joze Pucnik - London Gatwick is the most popular route from Slovenia to London.

  • What are the cheapest flights from Slovenia to London?

    Looking at all options, your cheapest flight can be booked for £80. While the most popular route (Ljubljana Joze Pucnik - London Gatwick) can be booked for £93 on average, our data indicates £112 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 July is currently the most expensive (average of £235). 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 London?

Book flights to London if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Bedford
Chelmsford
Bishop's Stortford

Browse thousands of different options on Cheapflights for your next trip

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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.
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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 26 March 2026.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£40Average£93FlexibilityNo 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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