HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Slovenia

$321+ Cheap flights from Riverside, CA to Slovenia

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LJU
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Riverside to Slovenia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Riverside to Slovenia

Cheapest flights from Riverside to Slovenia
Explore the most affordable flight options available from Riverside to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1712:52 amLAX - LJU
2 stops47h 58mMultiple Airlines
Mon 12/297:35 pmLJU - LAX
1 stop30h 15mMultiple Airlines
Deal found 12/16$6,526
This AranGrant deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:45 pmLAX - LJU
1 stop28h 40mTurkish Airlines
Mon 12/297:35 pmLJU - LAX
1 stop30h 15mTurkish Airlines
Deal found 12/15$6,987
This business-class.com deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure business-class.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/185:30 pmLAX - LJU
2 stops19h 40mLufthansa
Mon 12/298:10 pmLJU - LAX
2 stops25h 55mLufthansa
Deal found 12/16$8,328

Find flight deals from Riverside to Slovenia

Keep the following information in mind while searching for Riverside to Slovenia flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$494
(Kiwi.com)

One-way from

$321
(oojo)

Popular in

June

Cheapest in

November

Average price

$838
Provider with most accurate pricing for Los Angeles-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Ljubljana Joze Pucnik flights.
Search Deals
From Riverside to Slovenia
Search Deals
One-way flight from Riverside to Slovenia
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($310 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($63 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Riverside 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 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from Riverside to Slovenia that are best for you.

Fly from

Riverside

Fly to

Slovenia

Route

Depart

Return

Price

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Sat 2/21

6:20 pm-11:40 am

1 stop32h 20m

Ljubljana Joze Pucnik

Tue 3/10

12:50 pm-12:45 pm

1 stop31h 55m

$541

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Fri 2/20

6:00 am-11:40 am

2 stops20h 40m

Ljubljana Joze Pucnik

Wed 3/11

12:50 pm-12:45 pm

1 stop31h 55m

$544

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Tue 4/7

6:00 pm-11:35 am

1 stop32h 35m

Ljubljana Joze Pucnik

Fri 5/1

2:00 pm-11:49 pm

2 stops18h 49m

$550

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Tue 4/7

11:59 pm-11:35 am

2 stops26h 36m

Ljubljana Joze Pucnik

Wed 4/29

2:00 pm-7:14 am

2 stops26h 14m

$553

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Sun 2/15

5:45 am-11:40 am

2 stops20h 55m

Ljubljana Joze Pucnik

Sun 3/8

12:45 pm-9:19 am

2 stops28h 34m

$554

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Fri 2/20

6:00 am-11:40 am

2 stops20h 40m

Ljubljana Joze Pucnik

Sun 3/8

12:45 pm-9:19 am

2 stops28h 34m

$554

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Thu 2/19

5:45 pm-11:40 am

1 stop32h 55m

Ljubljana Joze Pucnik

Mon 3/9

12:25 pm-5:05 pm

1 stop36h 40m

$560

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Tue 2/17

5:45 pm-11:40 am

1 stop32h 55m

Ljubljana Joze Pucnik

Mon 3/9

12:25 pm-5:05 pm

1 stop36h 40m

$560

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Mon 4/6

1:50 pm-1:25 pm

1 stop14h 35m

Ljubljana Joze Pucnik

Fri 5/1

2:00 pm-11:50 am

1 stop30h 50m

$594

Los AngelesLjubljana

LAX - LJU

LAXLJU

Los Angeles

Wed 3/18

8:10 pm-10:15 pm

1 stop18h 05m

Ljubljana Joze Pucnik

Mon 4/6

2:05 pm-1:10 pm

1 stop32h 05m

$615

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 20 results
1
2

Best time to book a flight from Riverside to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Riverside with our price prediction graph.
Estimated round-trip 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 Riverside to Slovenia

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

Currently, February is the cheapest month in which you can book a flight from Riverside to Slovenia (average of $533). Flying from Riverside to Slovenia in June is currently the most expensive (average of $1,319). 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.

What is the cheapest time of day to fly from R1V to SI?

Find hourly flight availability from Riverside to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 17, 2025.

It’s typically best to fly out from Riverside to Slovenia in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Slovenia. Reviews last updated December 17, 2025.
Get a feel of what it's like to fly with Delta, KLM, and SWISS from Riverside to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.7
Good
1,428 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,815 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
4,105 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.8
Okay
7,635 reviews
Delta
7.9
Good
8,005 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    Airlines like Delta fly from Riverside to Slovenia in about 32h 20m. The time it takes to get you to your destination can typically vary by up to . Riverside and Slovenia are separated by a distance of 6164 mi.

  • What are the cheapest airlines to fly from Riverside to Slovenia one-way?

    To fly one-way, consider booking your trip with KLM, which is currently one of the cheapest options available, starting at $389. Delta flights start at $389 while deals on Lufthansa start at $420 one-way.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Riverside to Slovenia (average of $533). Flying from Riverside to Slovenia in June is currently the most expensive (average of $1,319). 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

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

Alternative routes for Riverside to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
Los Angeles to Charles de Gaulle flights
San Francisco to Heathrow flights
San Francisco to Charles de Gaulle flights
Los Angeles to Istanbul flights
Los Angeles to Leonardo da Vinci/Fiumicino flights
San Francisco to Leonardo da Vinci/Fiumicino flights
Los Angeles to Gatwick flights
San Francisco to Istanbul flights
Los Angeles to London City flights
Los Angeles to Madrid flights
San Francisco to Gatwick flights
Los Angeles to Orly flights
San Francisco to London City flights
San Francisco to Lisbon flights
Los Angeles to Barcelona-El Prat flights
Los Angeles to Frankfurt flights
Los Angeles to Amsterdam flights
San Francisco to Barcelona-El Prat flights
San Francisco to Dublin flights
Los Angeles to Stansted flights
San Francisco to Amsterdam flights
Los Angeles to Dublin flights
San Francisco to Frankfurt flights
Ontario to Charles de Gaulle flights
Los Angeles to Lisbon flights
San Diego to Heathrow flights
Ontario to Heathrow flights
San Francisco to Madrid flights
San Francisco to Stansted flights
San Francisco to Zurich flights
San Francisco to Orly flights
Los Angeles to Athens flights
San Francisco to Malpensa flights
Las Vegas to Heathrow flights
Los Angeles to Zurich flights
Los Angeles to Sabiha Gokcen flights
San Francisco to Athens flights
Los Angeles to Malpensa flights
San Francisco to Munich flights
Los Angeles to Copenhagen flights
Santa Ana to Charles de Gaulle flights
Ontario to Palma de Mallorca flights
Los Angeles to Luton flights
San Jose to Charles de Gaulle flights
Los Angeles to Palma de Mallorca flights
Los Angeles to Munich flights
Los Angeles to Beauvais-Tille flights
Oakland to Charles de Gaulle flights
Los Angeles to Linate flights

Top 5 airlines flying from Riverside to Slovenia

Discover the top 5 airlines that operate flights from Riverside to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$550Average$717FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$622Average$830FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$624Average$945FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$664Average$823FlexibilityNo cancel feeOn-time77%
KLMCheapest$743Average$932FlexibilityNo cancel feeOn-time75%

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.