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Cheap flights from Romania to Slovenia from £68

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
OTP — LJU
6 Sep — 13 Sep1
1 adult

Cheap flight deals from Romania to Slovenia

Keep the following information in mind while searching for Romania to Slovenia flight deals. Data was last updated 1 September 2025.

Round-trip from

£144

One-way from

£68

Popular in

September

Cheapest in

May

Average price

£216
Lufthansa
  • Lufthansa
  • 9/10-15/10
  • 2 total stops
  • 11h 25m total
  • Romania to Slovenia
Search Deals
Air Serbia
  • Air Serbia
  • 20/9
  • 1 total stop
  • 23h 20m total
  • Romania to Slovenia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Romania to Slovenia

Cheapest flights from Romania to Slovenia
Explore the most affordable flight options available from Romania to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2025.

Thu 9/1006:05OTP - LJU
1 stop7h 30mLufthansa
Wed 15/1020:00LJU - OTP
1 stop3h 55mLufthansa
Deal found 30/8£144
Fri 17/1006:30OTP - LJU
1 stop4h 35mMultiple Airlines
Sun 19/1020:00LJU - OTP
1 stop4h 00mMultiple Airlines
Deal found 30/8£150
Sun 7/916:05OTP - LJU
1 stop17h 55mAir Serbia
Fri 12/920:45LJU - OTP
1 stop17h 35mAir Serbia
Deal found 30/8£166
Sun 2/1105:30OTP - LJU
1 stop17h 00mSWISS
Thu 13/1106:30LJU - OTP
1 stop8h 20mSWISS
Deal found 30/8£170
Tue 2/916:05OTP - LJU
1 stop17h 55mAir Serbia
Fri 5/914:55LJU - OTP
1 stop11h 10mAir Serbia
Deal found 30/8£170
Sat 6/916:05OTP - LJU
1 stop17h 55mAir Serbia
Sun 7/914:55LJU - OTP
1 stop11h 10mAir Serbia
Deal found 30/8£179
Fri 17/1016:05OTP - LJU
1 stop17h 55mAir Serbia
Sun 19/1009:40LJU - OTP
1 stop16h 25mAir Serbia
Deal found 30/8£192
Tue 2/916:05OTP - LJU
1 stop17h 55mAir Serbia
Thu 4/909:40LJU - OTP
1 stop16h 25mAir Serbia
Deal found 31/8£196
Sun 2/1116:40OTP - LJU
1 stop6h 50mMultiple Airlines
Thu 13/1113:20LJU - OTP
2 stops9h 35mMultiple Airlines
Deal found 30/8£203
Thu 9/1021:15OTP - LJU
1 stop24h 05mBritish Airways
Wed 15/1018:00LJU - OTP
1 stop29h 25mBritish Airways
Deal found 30/8£429

Cheapflights Fare Finder

 
Customise your flight search to find flights from Romania 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 1 September 2025.
Use the filters below to find and compare flights from Romania to Slovenia that are best for you.

Fly from

Romania

Fly to

Slovenia

Route

Depart

Return

Price

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Thu 9/10

06:05-12:35

1 stop7h 30m

Ljubljana Joze Pucnik

Wed 15/10

20:00-00:55

1 stop3h 55m

£144

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Fri 17/10

06:30-10:05

1 stop4h 35m

Ljubljana Joze Pucnik

Sun 19/10

20:00-01:00

1 stop4h 00m

£150

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Sun 2/11

05:30-21:30

1 stop17h 00m

Ljubljana Joze Pucnik

Thu 13/11

06:30-15:50

1 stop8h 20m

£170

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Fri 17/10

16:05-09:00

1 stop17h 55m

Ljubljana Joze Pucnik

Sun 19/10

09:40-03:05

1 stop16h 25m

£192

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Sun 2/11

16:40-22:30

1 stop6h 50m

Ljubljana Joze Pucnik

Thu 13/11

13:20-23:55

2 stops9h 35m

£203

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Thu 9/10

21:15-20:20

1 stop24h 05m

Ljubljana Joze Pucnik

Wed 15/10

18:00-00:25

1 stop29h 25m

£429

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Sat 20/9

16:05-14:25

1 stop23h 20m

£68

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Thu 13/11

16:05-14:25

1 stop23h 20m

£69

BucharestLjubljana

OTP - LJU

OTPLJU

Bucharest Otopeni Intl

Sun 5/10

15:55-08:30

1 stop17h 35m

£169

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Best time to book a flight from Romania to Slovenia

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

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

Currently, January is the cheapest month in which you can book a flight from Romania to Slovenia (average of £103). Flying from Romania to Slovenia in July is currently the most expensive (average of £325). 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

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

    For as low as £144, Lufthansa can have you in Slovenia from Romania in 7h 30m. The distance between Romania and Slovenia is about 575 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Romania to Slovenia?

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

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

    Yes. Cheapflights offers flight deals from Romania 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 Romania to Slovenia?

    Currently, January is the cheapest month in which you can book a flight from Romania to Slovenia (average of £103). Flying from Romania to Slovenia in July is currently the most expensive (average of £325). 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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Alternative routes for Romania to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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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 Romania to Slovenia?

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

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 Slovenia from Romania.

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

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

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

Yes, Cheapflights offers price alerts on Romania to Slovenia flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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