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$310+ Cheap flights from Newark (EWR) 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — LJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Newark to Slovenia

Keep the following information in mind while searching for Newark to Slovenia flight deals. Data was last updated June 12, 2025.

Round-trip from

$446
(Delta)

One-way from

$310
(Trip.com)

Popular in

December

Cheapest in

November

Average price

$1,260
From Newark to Slovenia
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One-way flight from Newark to Slovenia
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Newark to Slovenia

Cheapest flights from Newark to Slovenia
Explore the most affordable flight options available from Newark to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/193:35 pmEWR - LJU
2 stops14h 30mDelta
Wed 8/277:40 amLJU - EWR
1 stop13h 20mDelta
Deal found 6/10$446
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:00 pmEWR - LJU
1 stop12h 35mKLM
Wed 8/277:40 amLJU - EWR
1 stop13h 20mKLM
Deal found 6/10$579
This Turkish Airlines deal was found by Cheapflights users on 6/10. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1612:25 amEWR - LJU
1 stop26h 00mTurkish Airlines
Wed 11/269:20 amLJU - EWR
1 stop19h 10mTurkish Airlines
Deal found 6/10$649
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2611:05 pmEWR - LJU
1 stop10h 15mMultiple Airlines
Wed 11/56:35 amLJU - EWR
1 stop15h 25mMultiple Airlines
Deal found 6/10$686
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/248:30 pmEWR - LJU
1 stop10h 05mLufthansa
Fri 9/1210:10 amLJU - EWR
1 stop11h 30mLufthansa
Deal found 6/11$712
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:25 pmEWR - LJU
1 stop10h 50mBritish Airways
Sat 10/411:00 amLJU - EWR
1 stop14h 25mBritish Airways
Deal found 6/10$718
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/189:50 pmEWR - LJU
1 stop30h 15mSWISS
Tue 8/267:20 pmLJU - EWR
1 stop30h 50mSWISS
Deal found 6/10$728
This oojo deal was found by Cheapflights users on 6/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1910:50 pmEWR - LJU
1 stop31h 45mLOT
Tue 8/265:05 pmLJU - EWR
1 stop31h 05mLOT
Deal found 6/10$731

Cheapflights Fare Finder

Customize your flight search to find flights from Newark 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 June 12, 2025.
Use the filters below to find and compare flights from Newark Airport to Slovenia that are best for you.

Fly from

Newark

Fly to

Slovenia

Route

Depart

Return

Price

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Tue 8/19

3:35 pm-12:05 pm

2 stops14h 30m

Ljubljana Joze Pucnik

Wed 8/27

7:40 am-3:00 pm

1 stop13h 20m

$446

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Tue 8/19

5:00 pm-11:35 am

1 stop12h 35m

Ljubljana Joze Pucnik

Wed 8/27

7:40 am-3:00 pm

1 stop13h 20m

$579

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Sun 11/16

12:25 am-8:25 am

1 stop26h 00m

Ljubljana Joze Pucnik

Wed 11/26

9:20 am-10:30 pm

1 stop19h 10m

$649

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Sun 10/26

11:05 pm-2:20 pm

1 stop10h 15m

Ljubljana Joze Pucnik

Wed 11/5

6:35 am-4:00 pm

1 stop15h 25m

$686

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Sun 8/24

8:30 pm-12:35 pm

1 stop10h 05m

Ljubljana Joze Pucnik

Fri 9/12

10:10 am-3:40 pm

1 stop11h 30m

$712

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Sun 9/21

9:25 pm-2:15 pm

1 stop10h 50m

Ljubljana Joze Pucnik

Sat 10/4

11:00 am-7:25 pm

1 stop14h 25m

$718

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Mon 8/18

9:50 pm-10:05 am

1 stop30h 15m

Ljubljana Joze Pucnik

Tue 8/26

7:20 pm-8:10 pm

1 stop30h 50m

$728

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Tue 8/19

10:50 pm-12:35 pm

1 stop31h 45m

Ljubljana Joze Pucnik

Tue 8/26

5:05 pm-6:10 pm

1 stop31h 05m

$731

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Fri 8/29

11:00 pm-7:10 pm

1 stop14h 10m

$310

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Tue 7/29

9:25 pm-5:15 pm

1 stop13h 50m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Newark to Slovenia

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

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

Currently, February is the cheapest month in which you can book a flight from Newark Airport to Slovenia (average of $710). Flying from Newark Airport to Slovenia in June is currently the most expensive (average of $1,462). 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.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

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 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 2025.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
LOT
7.6
Good
1,077 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

Related info for your journey

Find useful and relevant information for your journey from Newark to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $428. However, be on the lookout for offers from Air France and Delta, as they are both options that can get you from Newark Airport to Slovenia for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Newark 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 Newark Airport to Slovenia?

    Currently, February is the cheapest month in which you can book a flight from Newark Airport to Slovenia (average of $710). Flying from Newark Airport to Slovenia in June is currently the most expensive (average of $1,462). 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 Newark to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Newark to Slovenia

Discover the top 2 airlines that operate flights from Newark 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$661Average$878FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$695Average$1,041FlexibilityNo cancel feeOn-time76%

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