How long is the flight from Romania to Slovenia?

For as low as £119, Air Serbia can have you in Slovenia from Romania in 17h 45m. The distance between Romania and Slovenia is about 575 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 RO to SI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Romania to Slovenia as you normally would.

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.

£119+ Cheap Flights from Romania to Slovenia

Cheap flight deals from Romania to Slovenia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

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 31 October 2026.

Fri 20/1104:30 -

1 stop5h 30m

Fri 27/1120:45 -

1 stop5h 25m

Deal found 30/10£119

Fri 20/1104:30 -

1 stop5h 30m

Fri 27/1120:40 -

2 stops18h 15m

Deal found 30/10£127

Tue 15/1216:05 -

1 stop17h 55m

Tue 22/1220:45 -

1 stop17h 35m

Deal found 31/10£143

Sat 21/1116:40 -

1 stop7h 05m

Sat 28/1106:15 -

1 stop18h 00m

Deal found 27/10£145

Mon 14/1216:05 -

1 stop17h 55m

Mon 21/1213:45 -

1 stop11h 00m

Deal found 30/10£147

Fri 20/1105:55 -

1 stop5h 10m

Fri 27/1106:40 -

1 stop6h 15m

Deal found 28/10£150

Sat 21/1106:00 -

2 stops16h 20m

Sat 28/1106:15 -

1 stop8h 35m

Deal found 28/10£169

Fri 20/1116:40 -

1 stop7h 05m

Fri 27/1106:40 -

2 stops6h 20m

Deal found 28/10£180

Find flight deals from Romania to Slovenia

Round-trip from	£119
Popular in	November
Cheapest in	December
Average price	£163

Air Serbia
31/3-4/4
2 total stops
22h 40m total
Romania to Slovenia

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 11% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Wed 31/3

16:05-08:50

1 stop17h 45m

Ljubljana Joze Pucnik

Sun 4/4

09:25-15:20

1 stop4h 55m

£119

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Sat 21/11

16:05-09:00

1 stop17h 55m

Ljubljana Joze Pucnik

Fri 27/11

20:45-15:35

1 stop17h 50m

£119

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Mon 23/11

16:05-09:00

1 stop17h 55m

Ljubljana Joze Pucnik

Sun 29/11

09:30-03:10

1 stop16h 40m

£119

Fastest return journey

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Thu 3/12

16:05-19:55

1 stop4h 50m

Ljubljana Joze Pucnik

Wed 9/12

09:30-03:10

1 stop16h 40m

£119

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Fri 20/11

04:30-09:00

1 stop5h 30m

Ljubljana Joze Pucnik

Fri 27/11

20:40-15:55

2 stops18h 15m

£127

BucharestLjubljana

OTP Bucharest Otopeni Intl - LJU Ljubljana Joze Pucnik

OTPLJU

Bucharest Otopeni Intl

Tue 15/12

16:05-09:00

1 stop17h 55m

Ljubljana Joze Pucnik

Tue 22/12

20:45-15:20

1 stop17h 35m

£143

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Sorted by cheapest first

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.

OTP-LJU

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

RO0-SI0

OTP-LJU

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 £149). Flying from Romania to Slovenia in December is currently the most expensive (average of £513). 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

How long is the flight from Romania to Slovenia?
For as low as £119, Air Serbia can have you in Slovenia from Romania in 17h 45m. The distance between Romania and Slovenia is about 575 mi.
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 £149). Flying from Romania to Slovenia in December is currently the most expensive (average of £513). 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Romania to Slovenia

Charles de Gaulle to London City flights

Charles de Gaulle to Heathrow flights

Orly to Gatwick flights

Beauvais-Tille to Stansted flights

Charles de Gaulle to Gatwick flights

Orly to London City flights

Charles de Gaulle to Luton flights

Orly to Luton flights

Frankfurt to Luton flights

Orly to Stansted flights

Beauvais-Tille to Gatwick flights

Duesseldorf Intl to Stansted flights

Frankfurt to London City flights

Amsterdam to Luton flights

Charles de Gaulle to Southend flights

Bruxelles-National to Stansted flights

Bruxelles-National to Gatwick flights

Gatwick to Istanbul flights

Bruxelles-National to Luton flights

Frankfurt to Southend flights

Duesseldorf Intl to Luton flights

Heathrow to Istanbul flights

Beauvais-Tille to Luton flights

Frankfurt to Gatwick flights

Heathrow to Charles de Gaulle flights

Frankfurt to Stansted flights

Stansted to Istanbul flights

Madrid to Stansted flights

Amsterdam to Stansted flights

Gatwick to Charles de Gaulle flights

Heathrow to Málaga flights

Madrid to Gatwick flights

Bruxelles-National to London City flights

London City to Charles de Gaulle flights

Luton to Charles de Gaulle flights

Amsterdam to Gatwick flights

Duesseldorf Intl to Heathrow flights

Stansted to Beauvais-Tille flights

Duesseldorf Intl to London City flights

Lyon to Gatwick flights

Stansted to Edinburgh flights

Madrid to London City flights

Madrid to Luton flights

Lyon to Stansted flights

Berlin to Stansted flights

Gatwick to Orly flights

Amsterdam to Heathrow flights

Luton to Amsterdam flights

Lyon to London City flights

Amsterdam to London City flights

Fly with Cheapflights

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Romania to Slovenia from £119

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Romania to Slovenia

Cheapest flights from Romania to SloveniaExplore 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 31 October 2026.

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 31 October 2026.

Best flights from Romania to SloveniaDiscover carefully curated flight deals from Romania to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Discover carefully curated flight deals from Romania to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Last-minute flights from Romania to SloveniaDiscover last-minute flight deals from Romania to Slovenia. Data last updated 31 October 2026 and is based on user searches.

Discover last-minute flight deals from Romania to Slovenia. Data last updated 31 October 2026 and is based on user searches.

Find flight deals from Romania to Slovenia

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

Cheapflights Insights

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

Related info for your journey

How long is the flight from Romania to Slovenia?

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

How can I find direct flights from Romania to Slovenia?

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

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

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

Complete your trip

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

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Romania to Slovenia by cabin class

Find flights from Romania to Slovenia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Romania and Slovenia flights

Browse other Romania and Slovenia flight options. Last updated on 31 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 31 October 2026.

Best flights from Romania to Slovenia
Discover carefully curated flight deals from Romania to Slovenia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.

Last-minute flights from Romania to Slovenia
Discover last-minute flight deals from Romania to Slovenia. Data last updated 31 October 2026 and is based on user searches.