$248 Find Cheap Flights from Newark Liberty Airport to Slovenia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Newark to Slovenia departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Cheap Flights from Newark to Slovenia

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Ljubljana
Ljubljana1 stop$486
Ljubljana
Ljubljana1 stop$486

Book Cheap Newark to Slovenia Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Newark to Slovenia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Newark to Slovenia

Wed, Mar 11 - Wed, Mar 18
LOT Logo
11:35 pm - 1:05 pmEWR-LJU
32h 30m1 stop
LOT Logo
1:45 pm - 9:25 pmLJU-EWR
12h 40m1 stop
$486LOT
Find Deal
Tue, Nov 4 - Tue, Nov 11
SWISS Logo
10:00 pm - 2:05 pmEWR-LJU
10h 05m1 stop
SWISS Logo
2:55 pm - 8:30 pmLJU-EWR
11h 35m1 stop
$489SWISS
Find Deal
Wed, Nov 12 - Sat, Nov 22
LOT Logo
11:10 pm - 1:05 pmEWR-LJU
31h 55m1 stop
LOT Logo
5:10 pm - 8:25 pmLJU-EWR
33h 15m1 stop
$496LOT
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Sun, Oct 26 - Wed, Nov 5
Lufthansa Logo
9:50 pm - 7:30 pmEWR-LJU
16h 40m1 stop
Lufthansa Logo
10:00 am - 7:05 pmLJU-EWR
15h 05m1 stop
$499Lufthansa
Find Deal
Sun, Mar 8 - Wed, Mar 18
SWISS Logo
11:00 pm - 2:20 pmEWR-LJU
10h 20m1 stop
SWISS Logo
6:30 am - 9:30 pmLJU-EWR
20h 00m1 stop
$500SWISS
Find Deal
Sun, Mar 8 - Mon, Mar 16
Lufthansa Logo
9:50 pm - 7:30 pmEWR-LJU
16h 40m1 stop
Lufthansa Logo
8:10 pm - 8:05 pmLJU-EWR
28h 55m1 stop
$509Lufthansa
Find Deal
Wed, Mar 11 - Tue, Mar 17
Delta Logo
6:05 pm - 11:40 amEWR-LJU
12h 35m1 stop
Delta Logo
12:50 pm - 7:04 pmLJU-EWR
35h 14m2 stops
$516Delta
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Tue, Mar 10 - Tue, Mar 17
Delta Logo
3:25 pm - 11:40 amEWR-LJU
15h 15m2 stops
Delta Logo
12:50 pm - 7:04 pmLJU-EWR
35h 14m2 stops
$520Delta
Find Deal
Sat, Oct 25 - Wed, Nov 5
Turkish Airlines Logo
1:25 am - 8:25 amEWR-LJU
26h 00m1 stop
Turkish Airlines Logo
9:20 am - 10:30 pmLJU-EWR
19h 10m1 stop
$613Turkish Airlines
Find Deal
Thu, Nov 20 - Fri, Nov 28
Turkish Airlines Logo
12:25 am - 8:25 amEWR-LJU
26h 00m1 stop
Turkish Airlines Logo
9:20 am - 10:30 pmLJU-EWR
19h 10m1 stop
$622Turkish Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for Newark to Slovenia flights

Get data-powered insights and trends into flights from Newark to Slovenia to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Newark Airport to Slovenia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Newark Airport to Slovenia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Newark Airport to Slovenia is November, when tickets cost $605 (return) on average. On the other hand, the most expensive months are June and August, when the average cost of round-trip tickets is $1,279 and $1,140 respectively.

What’s the cheapest day of the week to fly from Newark Liberty Airport to Slovenia?

The average price of all round-trip flights from Newark Airport to Slovenia clicked on KAYAK for each day over the last 12 months.

For Newark Liberty Airport to Slovenia, Sunday is the cheapest day to fly on average and Saturday is the most expensive. Flying from Slovenia back to Newark Liberty Airport, the best deals are generally found on Monday, with Sunday being the most expensive.

Good to know

Low seasonMarch
Cheapest flight$248
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Newark Liberty Airport to Ljubljana

FAQs - booking Slovenia flights

  • How does KAYAK find such low prices on flights from Newark Liberty Airport to Slovenia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Newark Liberty Airport to Slovenia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Newark Liberty Airport to Slovenia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Newark Liberty Airport to Slovenia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Newark Liberty Airport to Slovenia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Newark Liberty Airport to Slovenia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Newark Liberty Airport to Slovenia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Newark Liberty Airport to Slovenia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Slovenia?

    The cheapest time of day to fly to Slovenia is generally in the evening, when round-trip flights cost $990 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Slovenia is generally at night, which is peak travel time and where the average cost of a ticket is $1,166.

Reviews of the top airlines flying from Newark to Slovenia

 
Need help choosing which airline to fly with from Newark to Slovenia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.6
SWISSOverall score based on 1737 reviews
6.8Entertainment
7.1Food
7.4Comfort
8.2Crew
7.7Boarding
Airline reviews

Food used to be better and comfort was not attainable after 5 hours everything starts hurting.

10.0 ExcellentAnonymous, Sep 2025DEN - ZRH
Read more SWISS reviews

Food used to be better and comfort was not attainable after 5 hours everything starts hurting.

horrible.. they cause such a problem and my daughter 14 years old was stranded in san francisco

I can’t even the whole trip was a catastrophe

Poor. Seats uncomfortable. No leg room. Hot and humid the whole trip. Food and staffs were ok.

The seats were so close together, when the man in front of me put his seat back, the screen in front of me was 9 inches from my face. There is no way to lean forward if I needed to pick something up. It was pretty uncomfortable for a ten hour flight. I was very surprised.

The food was good. Most the staff was pleasant. The flight would be drastically improved with WiFi on a long international flight.

All the flight to USA were arranged to E terminal whereas from Dubrovnik arriving on Zurich is on A80, have to walk all the way from A to E, even need transfer bus , for short transfer time like in an hour, we have to work fast, as soon as arrived at E, it is about time to boarding, pretty tight schedule, I hope Zurich airport can make some rearrangement so that transfer people do not have to walk long way. For short transfer time people, such as 50 min, this is even impossible if still like this.

Clean, efficient and quick response time when we missed our connecting flight.

When I needed to get my bag off of the plane so that I could take a train because the connection was 4 hours later, they took 2 hours to take my bag off making me take the train and miss my flight simultaneously. The seat size on the plane is too small for an average aged woman let alone a middle-aged man. It's unacceptable and I will not fly Boeing again.

Delayed 30 mins Forced to check in my carry on luggage

I liked Quiet people around me. Crew could have helped people with overhead luggage so they aren't moving other peoples bags around and causing problems for people that had there bags there first

The flight and crew were good. The customer experience on the ground could have been better. We had to reschedule our flight because of a delay on the previous flight. The attendants working the desk in Washington DC were not helpful. They told us to scan a QR code and that would get us rebooked. Why couldn't two people standing at their computers do this? We had to chat with someone to get everything figured out. It was extremely confusing.

The plane was delayed by two hours in Chicago which led to us missing the next flight. Lufthansa rebooked the flight and booked us a hotel for the night in Frankfurt. The level of customer service and getting us taken care of was superb. The flight crew and the service on the ground was superb.

It was a short flight, everything was good with it.

Flight was delayed over one hour and I had to pay to select my seat, even though my booking supposedly had free selection (I paid extra for this at time of booking)

Stop charging for alcohol overseas flights and start taking cash again not everyone wants to pay with card if the person is bigger give him seat on the outside seats not the middle in between the people is common sense and mainly if you fly for Lufthansa provides the sam service and experience...

good entertainment package but rather small seats for business class

The male attendant has zero personality. It seemed like he was over worked or hated his job, not once did he smile or made any contact with the people on the plane. Strictly business and call it a day!

Booked Economy but it translated to economy light for Lufthansa so now we are stuck paying an extra $75 per person both ways for our checked bags. If I had known that, I would have never booked these tickets because it came out to be more than other options. The booking in the kayak side clearly says Economy and has a link to the inormation for Lufthansa which states Economy included a checked bag. Super annoyed about that.

The flight from Dulles to Munich was just okay. The seats were comfortable and extra foot room was noticeable in comfort plus. Disappointed in the booking in so much I requested an aisle seat and then was assigned a middle seat. The food was inedible. Movie choices were moderate. I usually fly Delta, but this WA flight was cheaper. Next time, I'll happily pay the extra to fly Delta.

Everything you need to know for your flight from Newark to Slovenia

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