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

Currently, January is the cheapest month in which you can book a flight from Cardiff to Slovenia (average of £103). Flying from Cardiff to Slovenia in July is currently the most expensive (average of £327). 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.

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 CWL to SI?

When flying from Cardiff 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 Cardiff to Slovenia?

Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Slovenia from Cardiff.

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

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

How can I find direct flights from Cardiff to Slovenia?

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

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

Yes. Cheapflights offers flight deals from Cardiff 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.

£413+ Flights from Cardiff to Slovenia

Cheap flight deals from Cardiff to Slovenia

Round-trip from	£404

15/8-22/8
5 total stops
61h 00m total
Cardiff to Slovenia

Search Deals

Find flight deals from Cardiff to Slovenia

Cheapest flights from Cardiff to Slovenia
Explore the most affordable flight options available from Cardiff to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Fri 15/812:25CWL - LJU

3 stops43h 35mMultiple Airlines

Fri 22/815:05LJU - CWL

2 stops17h 25mMultiple Airlines

Deal found 1/7£404

Fri 15/809:50CWL - LJU

1 stop25h 15mKLM

Fri 22/815:05LJU - CWL

1 stop19h 10mKLM

Deal found 1/7£423

Best flights from Cardiff to Slovenia
Discover carefully curated flight deals from Cardiff to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 3 July 2025.

Fri 15/812:25CWL - LJU

3 stops43h 35mMultiple Airlines

Fri 22/815:05LJU - CWL

2 stops17h 25mMultiple Airlines

Deal found 1/7£404

Fri 15/809:50CWL - LJU

1 stop25h 15mKLM

Fri 22/815:05LJU - CWL

1 stop19h 10mKLM

Deal found 1/7£423

Last-minute flights from Cardiff to Slovenia
Discover last-minute flight deals from Cardiff to Slovenia. Data last updated 3 July 2025 and is based on user searches.

Fri 15/812:25CWL - LJU

3 stops43h 35mMultiple Airlines

Fri 22/815:05LJU - CWL

2 stops17h 25mMultiple Airlines

Deal found 1/7£404

Fri 15/809:50CWL - LJU

1 stop25h 15mKLM

Fri 22/815:05LJU - CWL

1 stop19h 10mKLM

Deal found 1/7£423

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Fri 15/8

12:25-09:00

3 stops43h 35m

Ljubljana Joze Pucnik

Fri 22/8

15:05-07:30

2 stops17h 25m

£404

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Fri 15/8

09:50-12:05

1 stop25h 15m

Ljubljana Joze Pucnik

Fri 22/8

15:05-09:15

1 stop19h 10m

£423

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Best time to book a flight from Cardiff to Slovenia

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Slovenia

See what other customers who have flown with KLM from Cardiff to Slovenia 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

1,366 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,366 reviews

KLM

7.8

Good

1,366 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

What airport do you fly from for flights from Cardiff to Slovenia?
Located just 9.1 mi from the city center, Cardiff Wales (CWL) is the airport most travelers will use when flying to Slovenia from Cardiff.
Can I find deals for flights from Cardiff to Slovenia that include hotel bookings?
Yes. In addition to deals on Cardiff to Slovenia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Slovenia.
Can I find deals for business class flights from Cardiff to Slovenia?
Yes. Cheapflights offers flight deals from Cardiff 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 Cardiff to Slovenia?
Currently, January is the cheapest month in which you can book a flight from Cardiff to Slovenia (average of £103). Flying from Cardiff to Slovenia in July is currently the most expensive (average of £327). 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

Browse thousands of different options on Cheapflights for your next trip

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

Cheapflights helps you search for flights from Cardiff to Slovenia 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 Cardiff to Slovenia?

Cheapflights helps you find that perfect flight to Slovenia from Cardiff 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 Cardiff to Slovenia with no change fees?

Certainly. Search results for flights to Slovenia from Cardiff shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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Cheap flights from Cardiff to Slovenia from £404

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Slovenia

Keep the following information in mind while searching for Cardiff to Slovenia flight deals. Data was last updated 3 July 2025.

Round-trip from

Find flight deals from Cardiff to Slovenia

Cheapest flights from Cardiff to SloveniaExplore the most affordable flight options available from Cardiff to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Explore the most affordable flight options available from Cardiff to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Cardiff to Slovenia

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

Cheapflights Insights

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

Reviews of airlines servicing Slovenia

See what other customers who have flown with KLM from Cardiff to Slovenia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Cardiff 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 Cardiff to Slovenia?

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

How can I find direct flights from Cardiff to Slovenia?

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

What is the cheapest month to book a flight from Cardiff 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 Cardiff to Slovenia

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

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 Cardiff to Slovenia?

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

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

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

100% Free

Book with Flexibility

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Cheapest flights from Cardiff to Slovenia
Explore the most affordable flight options available from Cardiff to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 July 2025.