How long is the flight from Southampton to Slovenia?

A quick flight from Southampton to Slovenia can take about 26h 30m. KLM provides one of the quickest options available for as low as £256. Airlines will cover a distance of 790 mi.

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

If weather is an important factor for your trip to Slovenia, 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 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What is the cheapest time of day to fly from SOU to SI?

When flying from Southampton to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What airport do you fly from for flights from Southampton to Slovenia?

Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Slovenia. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

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

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

How can I find direct flights from Southampton to Slovenia?

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

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

Yes. Cheapflights offers flight deals from Southampton to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£256+ Cheap Flights from Southampton to Slovenia

Cheap flight deals from Southampton to Slovenia

Round-trip from	£297
Popular in	August
Cheapest in	March
Average price	£171

KLM
26/3-30/3
2 total stops
38h 15m total
Southampton to Slovenia

Search Deals

Highest demand for flights based on searches. 19% potential increase in price (£33 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Find flight deals from Southampton to Slovenia

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to Slovenia
Explore the most affordable flight options available from Southampton to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 4/1208:50SOU - LJU

1 stop26h 30mKLM

Thu 11/1212:50LJU - SOU

1 stop5h 35mKLM

Deal found 20/10£256

Thu 4/1220:10SOU - LJU

2 stops15h 10mMultiple Airlines

Thu 11/1210:30LJU - SOU

2 stops23h 15mMultiple Airlines

Deal found 20/10£287

Best flights from Southampton to Slovenia
Discover carefully curated flight deals from Southampton to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2025.

Thu 4/1208:50SOU - LJU

1 stop26h 30mKLM

Thu 11/1212:50LJU - SOU

1 stop5h 35mKLM

Deal found 20/10£256

Thu 4/1220:10SOU - LJU

2 stops15h 10mMultiple Airlines

Thu 11/1210:30LJU - SOU

2 stops23h 15mMultiple Airlines

Deal found 20/10£287

Thu 26/318:05SOU - LJU

1 stop17h 15mKLM

Mon 30/312:50LJU - SOU

1 stop21h 00mKLM

Deal found 20/10£296

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SouthamptonLjubljana

SOU - LJU

SOULJU

Southampton Eastleigh

Thu 4/12

08:50-12:20

1 stop26h 30m

Ljubljana Joze Pucnik

Thu 11/12

12:50-17:25

1 stop5h 35m

£256

SouthamptonLjubljana

SOU - LJU

SOULJU

Southampton Eastleigh

Thu 4/12

20:10-12:20

2 stops15h 10m

Ljubljana Joze Pucnik

Thu 11/12

10:30-08:45

2 stops23h 15m

£287

SouthamptonLjubljana

SOU - LJU

SOULJU

Southampton Eastleigh

Thu 26/3

18:05-12:20

1 stop17h 15m

Ljubljana Joze Pucnik

Mon 30/3

12:50-08:50

1 stop21h 00m

£296

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Best time to book a flight from Southampton to Slovenia

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

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

Currently, February is the cheapest month in which you can book a flight from Southampton to Slovenia (average of £45). Flying from Southampton to Slovenia in July is currently the most expensive (average of £133). 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.

Related info for your journey

What airport do you fly from for flights from Southampton to Slovenia?
Most people fly from Southampton Eastleigh (SOU) if they book a flight from Southampton to Slovenia. Southampton Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.
How long is the flight from Southampton to Slovenia?
A quick flight from Southampton to Slovenia can take about 26h 30m. KLM provides one of the quickest options available for as low as £256. Airlines will cover a distance of 790 mi.
Can I find deals for flights from Southampton to Slovenia that include hotel bookings?
Yes. In addition to deals on Southampton to Slovenia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to Slovenia.
Can I find deals for business class flights from Southampton to Slovenia?
Yes. Cheapflights offers flight deals from Southampton to Slovenia 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 Southampton to Slovenia?
Currently, February is the cheapest month in which you can book a flight from Southampton to Slovenia (average of £45). Flying from Southampton to Slovenia in July is currently the most expensive (average of £133). 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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How does Cheapflights help users find flights from Southampton to Slovenia?

When you search for this flight from Southampton to Slovenia, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Slovenia from Southampton by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Southampton to Slovenia with no change fees.

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

Not ready to book yet? You can track prices for flights from Southampton to Slovenia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Southampton to Slovenia from £256

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to Slovenia

Keep the following information in mind while searching for Southampton to Slovenia flight deals. Data was last updated 21 October 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Southampton to Slovenia

Cheapest flights from Southampton to SloveniaExplore the most affordable flight options available from Southampton to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Explore the most affordable flight options available from Southampton to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Southampton to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Southampton with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Southampton to Slovenia

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

Related info for your journey

Find useful and relevant information for your journey from Southampton to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Southampton to Slovenia?

How long is the flight from Southampton to Slovenia?

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

How can I find direct flights from Southampton to Slovenia?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to Slovenia

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

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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 Southampton to Slovenia?

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

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

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

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Book with Flexibility

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Cheapest flights from Southampton to Slovenia
Explore the most affordable flight options available from Southampton to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.