How long is the flight from Slovenia to London?

For as low as £63, easyJet can have you in London from Slovenia in 2h 20m. There are 774 mi between Slovenia and London. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London 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 when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, 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).

What are the most popular routes from Slovenia to London?

While some choose either Ljubljana Joze Pucnik - London Gatwick or Ljubljana Joze Pucnik - London Stansted, Ljubljana Joze Pucnik - London Heathrow 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 £99. While the most popular route (Ljubljana Joze Pucnik - London Heathrow) can be booked for £152 on average, our data indicates £143 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.

£28+ Cheap Flights from Slovenia to London

Cheap flight deals from Slovenia to London

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 20 August 2026.

Fri 13/1120:40 -

Nonstop2h 20m

Mon 16/1108:05 -

Nonstop2h 05m

Deal found 17/8£63

Mon 9/1111:50 -

Nonstop2h 20m

Mon 16/1108:05 -

Nonstop2h 05m

Deal found 18/8£65

Fri 6/1120:40 -

Nonstop2h 20m

Mon 9/1108:05 -

Nonstop2h 05m

Deal found 19/8£66

Fri 11/1220:40 -

Nonstop2h 20m

Sun 13/1207:20 -

Nonstop2h 05m

Deal found 15/8£67

Fri 13/1111:00 -

Nonstop2h 25m

Sun 15/1107:00 -

Nonstop2h 10m

Deal found 17/8£70

Fri 13/1111:00 -

Nonstop2h 25m

Mon 16/1108:30 -

Nonstop2h 10m

Deal found 17/8£72

Thu 5/1111:10 -

Nonstop2h 25m

Sun 8/1107:00 -

Nonstop2h 10m

Deal found 19/8£73

Fri 6/1111:00 -

Nonstop2h 25m

Sun 8/1107:00 -

Nonstop2h 10m

Deal found 19/8£74

Sat 10/1021:35 -

Nonstop2h 20m

Mon 12/1007:00 -

Nonstop2h 15m

Deal found 15/8£74

Fri 6/1111:00 -

Nonstop2h 25m

Mon 9/1108:30 -

Nonstop2h 10m

Deal found 19/8£79

Mon 30/1111:50 -

Nonstop2h 20m

Fri 4/1216:50 -

Nonstop2h 05m

Deal found 19/8£80

Sun 6/1211:10 -

Nonstop2h 20m

Fri 11/1216:50 -

Nonstop2h 05m

Deal found 16/8£81

Best flights from Slovenia to London
Discover carefully curated flight deals from Slovenia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Fri 13/1120:40 -

Nonstop2h 20m

Mon 16/1108:05 -

Nonstop2h 05m

Deal found 17/8£63

Fri 13/1120:40 -

Nonstop2h 20m

Mon 16/1119:45 -

2 stops12h 15m

Deal found 17/8£126

Fri 13/1111:00 -

Nonstop2h 25m

Sun 15/1107:00 -

Nonstop2h 10m

Deal found 17/8£70

Sat 14/1109:30 -

1 stop27h 50m

Mon 16/1113:20 -

1 stop18h 40m

Deal found 17/8£144

Fri 13/1111:00 -

Nonstop2h 25m

Mon 16/1108:30 -

Nonstop2h 10m

Deal found 17/8£72

Wed 2/1212:55 -

1 stop7h 20m

Sat 5/1217:50 -

1 stop17h 15m

Deal found 18/8£159

Sat 24/1018:30 -

1 stop4h 05m

Mon 26/1006:50 -

1 stop5h 15m

Deal found 19/8£168

Sat 10/1006:25 -

1 stop12h 25m

Mon 12/1020:05 -

1 stop13h 00m

Deal found 19/8£168

Wed 2/1212:20 -

Nonstop2h 25m

Sat 5/1207:45 -

Nonstop2h 10m

Deal found 18/8£78

Mon 30/1111:50 -

Nonstop2h 20m

Fri 4/1216:50 -

Nonstop2h 05m

Deal found 19/8£80

Sun 6/1211:10 -

Nonstop2h 20m

Fri 11/1216:50 -

Nonstop2h 05m

Deal found 16/8£81

Sat 10/1013:55 -

2 stops19h 35m

Mon 12/1021:20 -

2 stops18h 55m

Deal found 18/8£128

Thu 24/909:45 -

1 stop7h 55m

Mon 28/910:50 -

1 stop7h 40m

Deal found 15/8£272

Fri 11/1220:40 -

Nonstop2h 20m

Sun 13/1216:30 -

2 stops26h 30m

Deal found 15/8£130

Mon 9/1109:30 -

1 stop27h 50m

Mon 16/1113:20 -

1 stop18h 40m

Deal found 18/8£145

Fri 30/1020:40 -

Nonstop2h 20m

Wed 4/1107:05 -

Nonstop2h 05m

Deal found 16/8£91

Thu 5/1120:45 -

1 stop16h 35m

Sun 8/1113:20 -

1 stop24h 15m

Deal found 19/8£145

Tue 15/914:50 -

1 stop4h 00m

Mon 21/920:05 -

1 stop13h 00m

Deal found 16/8£168

Thu 15/1011:05 -

Nonstop2h 15m

Sun 18/1008:05 -

Nonstop2h 15m

Deal found 15/8£95

Sat 5/1213:30 -

1 stop10h 40m

Fri 11/1220:15 -

2 stops11h 45m

Deal found 16/8£147

Thu 15/1021:35 -

1 stop14h 20m

Mon 19/1021:20 -

2 stops18h 55m

Deal found 16/8£147

Tue 15/910:50 -

1 stop7h 40m

Tue 22/913:10 -

1 stop8h 30m

Deal found 16/8£183

Fri 30/1011:00 -

Nonstop2h 25m

Wed 4/1108:20 -

Nonstop2h 10m

Deal found 16/8£105

Wed 2/906:00 -

1 stop5h 45m

Sat 5/914:45 -

1 stop7h 10m

Deal found 19/8£207

Thu 1/1006:25 -

1 stop12h 00m

Thu 8/1009:15 -

1 stop12h 20m

Deal found 17/8£183

Sat 5/1211:40 -

Nonstop2h 25m

Fri 11/1207:05 -

Nonstop2h 10m

Deal found 16/8£107

Sat 10/1015:15 -

1 stop22h 15m

Mon 12/1013:30 -

1 stop18h 20m

Deal found 19/8£196

Thu 24/906:25 -

1 stop11h 00m

Mon 28/908:40 -

1 stop24h 25m

Deal found 15/8£192

Sun 6/1209:30 -

1 stop27h 50m

Fri 11/1213:20 -

1 stop5h 35m

Deal found 16/8£196

Sun 6/1210:50 -

Nonstop2h 25m

Thu 10/1207:25 -

Nonstop2h 10m

Deal found 16/8£116

Find flight deals from Slovenia to London

Round-trip from	£63
One-way from	£28
Popular in	July
Cheapest in	March
Average price	£260
Good round-trip deal	£151 or less
Good one-way deal	£125 or less

easyJet
13/11-16/11
Nonstop
4h 25m total
Slovenia to London

Search Deals

easyJet
6/11
Nonstop
2h 20m total
Slovenia to London

Search Deals

Highest demand for flights based on searches. 28% potential increase in price (£54 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LTN London Luton

LJULTN

Ljubljana Joze Pucnik

Fri 13/11

20:40-22:00

Nonstop2h 20m

London Luton

Mon 16/11

08:05-11:10

Nonstop2h 05m

£63

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Fri 13/11

11:00-12:25

Nonstop2h 25m

London Gatwick

Sun 15/11

07:00-10:10

Nonstop2h 10m

£70

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Fri 13/11

11:00-12:25

Nonstop2h 25m

London Gatwick

Mon 16/11

08:30-11:40

Nonstop2h 10m

£72

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Wed 2/12

12:20-13:45

Nonstop2h 25m

London Gatwick

Sat 5/12

07:45-10:55

Nonstop2h 10m

£78

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LTN London Luton

LJULTN

Ljubljana Joze Pucnik

Mon 30/11

11:50-13:10

Nonstop2h 20m

London Luton

Fri 4/12

16:50-19:55

Nonstop2h 05m

£80

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LTN London Luton

LJULTN

Ljubljana Joze Pucnik

Sun 6/12

11:10-12:30

Nonstop2h 20m

London Luton

Fri 11/12

16:50-19:55

Nonstop2h 05m

£81

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LTN London Luton

LJULTN

Ljubljana Joze Pucnik

Fri 30/10

20:40-22:00

Nonstop2h 20m

London Luton

Wed 4/11

07:05-10:10

Nonstop2h 05m

£91

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Thu 15/10

11:05-12:20

Nonstop2h 15m

London Gatwick

Sun 18/10

08:05-11:20

Nonstop2h 15m

£95

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Fri 30/10

11:00-12:25

Nonstop2h 25m

London Gatwick

Wed 4/11

08:20-11:30

Nonstop2h 10m

£105

LjubljanaLondon

LJU Ljubljana Joze Pucnik - LGW London Gatwick

LJULGW

Ljubljana Joze Pucnik

Sat 5/12

11:40-13:05

Nonstop2h 25m

London Gatwick

Fri 11/12

07:05-10:15

Nonstop2h 10m

£107

Flights are sorted by cheapest return flights first.

Deals found on 17/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LJU-LTN

LJU-LGW

LJU-STN

LJU-LHR

LJU-LCY

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

SI0-LON

LJU-LTN

LJU-LGW

LJU-STN

LJU-LHR

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

Currently, March is the cheapest month in which you can book a flight from Slovenia to London (average of £133). Flying from Slovenia to London in July is currently the most expensive (average of £313). 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?

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 64% versus a flight in the morning.

How often are flights from Slovenia to London delayed?

About 21% of weekly flights between Slovenia and London have experienced delays in the past year, with the average delay time being 117 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?

Friday 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.

How far ahead should I book a flight from Slovenia to London?

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Slovenia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing London

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

1,926 reviews

Check prices

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

1,926 reviews

easyJet

6.9

Okay

1,926 reviews

Check prices

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

How long is the flight from Slovenia to London?
For as low as £63, easyJet can have you in London from Slovenia in 2h 20m. There are 774 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 Gatwick or Ljubljana Joze Pucnik - London Stansted, Ljubljana Joze Pucnik - London Heathrow 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 £99. While the most popular route (Ljubljana Joze Pucnik - London Heathrow) can be booked for £152 on average, our data indicates £143 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, March is the cheapest month in which you can book a flight from Slovenia to London (average of £133). Flying from Slovenia to London in July is currently the most expensive (average of £313). 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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Top airline flying from Slovenia to London

Airline	Cheapest	Average	Flexibility	On-time
easyJet	Cheapest£55	Average£92	FlexibilityNo cancel fee	On-time86%	Search easyJet flights

Fly with Cheapflights

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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Cheap flights from Slovenia to London from £28

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Slovenia to London

Cheapest flights from Slovenia to LondonExplore 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 20 August 2026.

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 20 August 2026.

Best flights from Slovenia to LondonDiscover carefully curated flight deals from Slovenia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Discover carefully curated flight deals from Slovenia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Direct flights from Slovenia to LondonExplore direct flight options from Slovenia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 August 2026.

Explore direct flight options from Slovenia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 August 2026.

Last-minute flights from Slovenia to LondonDiscover last-minute flight deals from Slovenia to London. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Slovenia to London. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Slovenia to LondonSearch for one-way flight options from Slovenia to London. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Search for one-way flight options from Slovenia to London. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Find flight deals from Slovenia to London

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One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

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 20 August 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 64% versus a flight in the morning.

How often are flights from Slovenia to London delayed?

About 21% of weekly flights between Slovenia and London have experienced delays in the past year, with the average delay time being 117 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?

Friday 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.

How far ahead should I book a flight from Slovenia to London?

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Slovenia to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing London

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.

Related info for your journey

How long is the flight from Slovenia to London?

What are the most popular routes from Slovenia to London?

What are the cheapest flights from Slovenia to London?

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

How can I find direct flights from Slovenia to London?

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

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

Travelling to a place near London?

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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.

Complete your trip

Complete your trip to London by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

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Search flights from Slovenia to London by cabin class

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Other flights to London

Explore flights to London departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 August 2026.

Slovenia and London flights

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

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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 20 August 2026.

Best flights from Slovenia to London
Discover carefully curated flight deals from Slovenia to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 August 2026.

Direct flights from Slovenia to London
Explore direct flight options from Slovenia to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 August 2026.

Last-minute flights from Slovenia to London
Discover last-minute flight deals from Slovenia to London. Data last updated 20 August 2026 and is based on user searches.

One-way flights from Slovenia to London
Search for one-way flight options from Slovenia to London. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.