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Cheap flights from Cardiff to Slovenia from £138

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 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
CWL — LJU
3 Jun — 10 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cardiff to Slovenia

Enter your travel dates to find the best prices.

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 4 May 2026.

Mon 17/817:15
CWL
-
LJU
2 stops17h 05m
Multiple Airlines
Sat 22/806:00
LJU
-
CWL
1 stop4h 15m
Multiple Airlines
Deal found 2/5£247
Sun 16/809:50
CWL
-
LJU
1 stop12h 00m
KLM
Sat 22/806:00
LJU
-
CWL
1 stop12h 05m
KLM
Deal found 2/5£269
Mon 17/817:15
CWL
-
LJU
1 stop4h 40m
KLM
Sat 22/806:00
LJU
-
CWL
1 stop12h 05m
KLM
Deal found 2/5£278
Wed 17/623:30
CWL
-
LJU
3 stops37h 50m
Multiple Airlines
Wed 24/620:40
LJU
-
CWL
3 stops26h 45m
Multiple Airlines
Deal found 3/5£287
Sun 16/809:50
CWL
-
LJU
2 stops24h 30m
Multiple Airlines
Sat 22/806:00
LJU
-
CWL
1 stop4h 15m
Multiple Airlines
Deal found 2/5£297
Mon 17/817:15
CWL
-
LJU
1 stop4h 40m
KLM
Fri 21/806:00
LJU
-
CWL
1 stop11h 45m
KLM
Deal found 2/5£315
Sat 4/717:35
CWL
-
LJU
1 stop4h 20m
KLM
Sat 18/706:00
LJU
-
CWL
1 stop4h 15m
KLM
Deal found 30/4£331
Sat 13/609:45
CWL
-
LJU
1 stop12h 10m
KLM
Sat 20/614:35
LJU
-
CWL
2 stops19h 40m
KLM
Deal found 29/4£345
Mon 17/817:15
CWL
-
LJU
2 stops17h 05m
Multiple Airlines
Fri 21/812:05
LJU
-
CWL
2 stops22h 10m
Multiple Airlines
Deal found 2/5£346
Sun 14/621:45
CWL
-
LJU
3 stops34h 05m
Multiple Airlines
Sun 21/614:50
LJU
-
CWL
3 stops31h 55m
Multiple Airlines
Deal found 30/4£351

Find flight deals from Cardiff to Slovenia

Keep the following information in mind while searching for Cardiff to Slovenia flight deals. Data was last updated 4 May 2026.

Round-trip from

£247

One-way from

£138
KLM
  • KLM
  • 17/8-22/8
  • 3 total stops
  • 21h 20m total
  • Cardiff to Slovenia
Search Deals
Air France
  • Air France
  • 13/8
  • 2 total stops
  • 17h 05m total
  • Cardiff to Slovenia
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cardiff to Slovenia 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 4 May 2026.
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

Cheapest return flight

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Mon 17/8

17:15-11:20

2 stops17h 05m

Ljubljana Joze Pucnik

Fri 21/8

06:00-09:15

1 stop4h 15m

£269

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Sun 16/8

09:50-22:50

1 stop12h 00m

Ljubljana Joze Pucnik

Sat 22/8

06:00-17:05

1 stop12h 05m

£269

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Wed 17/6

23:30-14:20

3 stops37h 50m

Ljubljana Joze Pucnik

Wed 24/6

20:40-22:25

3 stops26h 45m

£287

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Sat 13/6

09:45-22:55

1 stop12h 10m

Ljubljana Joze Pucnik

Sat 20/6

14:35-09:15

2 stops19h 40m

£345

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Sun 14/6

21:45-08:50

3 stops34h 05m

Ljubljana Joze Pucnik

Sun 21/6

14:50-21:45

3 stops31h 55m

£351
Fastest return journey

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Sun 14/6

09:50-22:50

1 stop12h 00m

Ljubljana Joze Pucnik

Sun 21/6

06:00-09:15

1 stop4h 15m

£381
Cheapest one-way
Fastest single journey

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Thu 13/8

17:15-22:55

1 stop4h 40m

£146

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Sun 16/8

09:50-22:50

1 stop12h 00m

£163

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Fri 14/8

17:15-11:55

2 stops17h 40m

£177

CardiffLjubljana

CWL - LJU

CWLLJU

Cardiff Wales

Mon 17/8

17:15-22:55

1 stop4h 40m

£183

Flights are sorted by cheapest return flights first.

Deals found on 3/5

Showing 1-10 of 11 resultsSorted by cheapest first
1
2

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.

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?

    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.

  • How long is the flight from Cardiff to Slovenia?

    KLM can get you from Cardiff to Slovenia in just under 12h. Your travel time can differ by up to . The distance between Cardiff and Slovenia is about 882 mi.

  • 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.

See more FAQs

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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?

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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