HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Slovenia

$279+ Cheap flights from Pennsylvania 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 7/19. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LJU
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania 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 Pennsylvania to Slovenia

Keep the following information in mind while searching for Pennsylvania to Slovenia flight deals. Data was last updated June 18, 2025.

Round-trip from

$402
(Kiwi.com)

One-way from

$279
(Kiwi.com)
From Pennsylvania to Slovenia
Search Deals
One-way flight from Pennsylvania to Slovenia
Search Deals

Find flight deals from Pennsylvania to Slovenia

Cheapest flights from Pennsylvania to Slovenia
Explore the most affordable flight options available from Pennsylvania to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 8/259:50 pmEWR - LJU
1 stop14h 45mSWISS
Thu 9/410:50 amLJU - EWR
1 stop15h 20mSWISS
Deal found 6/17$402
This KLM deal was found by Cheapflights users on 6/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/175:30 pmJFK - LJU
1 stop12h 10mKLM
Wed 11/2612:35 pmLJU - JFK
1 stop29h 00mKLM
Deal found 6/16$406
This Lufthansa deal was found by Cheapflights users on 6/17. 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.
Wed 8/278:30 pmEWR - LJU
1 stop16h 55mLufthansa
Thu 9/41:20 pmLJU - EWR
1 stop11h 25mLufthansa
Deal found 6/17$426
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/251:40 amJFK - LJU
1 stop14h 50mDelta
Thu 9/412:20 pmLJU - JFK
1 stop14h 35mDelta
Deal found 6/15$430
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:59 pmLGA - LJU
2 stops25h 21mDelta
Tue 9/912:20 pmLJU - LGA
2 stops34h 10mDelta
Deal found 6/15$444
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/259:32 amEWR - LJU
2 stops20h 03mDelta
Thu 9/412:20 pmLJU - EWR
2 stops25h 25mDelta
Deal found 6/15$444
This Expedia deal was found by Cheapflights users on 6/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/158:05 pmJFK - LJU
1 stop15h 10mBritish Airways
Wed 10/156:00 pmLJU - JFK
1 stop24h 45mBritish Airways
Deal found 6/15$471
This SmartFares deal was found by Cheapflights users on 6/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/276:00 pmEWR - LJU
2 stops19h 25mMultiple Airlines
Fri 9/510:50 amLJU - EWR
1 stop15h 20mMultiple Airlines
Deal found 6/17$476
This Booking.com deal was found by Cheapflights users on 6/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/252:13 pmEWR - LJU
2 stops19h 57mBritish Airways
Thu 9/47:00 pmLJU - EWR
1 stop30h 25mBritish Airways
Deal found 6/16$482
This Iberia deal was found by Cheapflights users on 6/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:40 pmJFK - LJU
1 stop17h 20mMultiple Airlines
Mon 9/83:10 pmLJU - JFK
1 stop13h 20mMultiple Airlines
Deal found 6/16$498
This Finnair deal was found by Cheapflights users on 6/17. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:55 pmJFK - LJU
2 stops51h 50mFinnair
Thu 9/49:30 amLJU - JFK
2 stops18h 30mFinnair
Deal found 6/17$528
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Mon 9/18:30 pmJFK - LJU
1 stop16h 05mSWISS
Tue 9/910:50 amLJU - JFK
1 stop11h 45mSWISS
Deal found 6/17$532

Cheapflights Fare Finder

Customize your flight search to find flights from Pennsylvania 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 18, 2025.
Use the filters below to find and compare flights from Pennsylvania to Slovenia that are best for you.

Fly from

Pennsylvania

Fly to

Slovenia

Route

Depart

Return

Price

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Mon 8/25

9:50 pm-6:35 pm

1 stop14h 45m

Ljubljana Joze Pucnik

Thu 9/4

10:50 am-8:10 pm

1 stop15h 20m

$402

New YorkLjubljana

JFK - LJU

JFKLJU

New York John F Kennedy Intl

Mon 11/17

5:30 pm-11:40 am

1 stop12h 10m

Ljubljana Joze Pucnik

Wed 11/26

12:35 pm-11:35 am

1 stop29h 00m

$406

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Wed 8/27

8:30 pm-7:25 pm

1 stop16h 55m

Ljubljana Joze Pucnik

Thu 9/4

1:20 pm-6:45 pm

1 stop11h 25m

$426

New YorkLjubljana

JFK - LJU

JFKLJU

New York John F Kennedy Intl

Mon 8/25

1:40 am-10:30 pm

1 stop14h 50m

Ljubljana Joze Pucnik

Thu 9/4

12:20 pm-8:55 pm

1 stop14h 35m

$430

New YorkLjubljana

LGA - LJU

LGALJU

New York LaGuardia

Wed 8/20

1:59 pm-9:20 pm

2 stops25h 21m

Ljubljana Joze Pucnik

Tue 9/9

12:20 pm-4:30 pm

2 stops34h 10m

$444

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Mon 8/25

9:32 am-11:35 am

2 stops20h 03m

Ljubljana Joze Pucnik

Tue 9/9

12:20 pm-7:06 pm

2 stops36h 46m

$444

New YorkLjubljana

JFK - LJU

JFKLJU

New York John F Kennedy Intl

Tue 7/15

8:05 pm-5:15 pm

1 stop15h 10m

Ljubljana Joze Pucnik

Wed 10/15

6:00 pm-12:45 pm

1 stop24h 45m

$471

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Wed 8/27

6:00 pm-7:25 pm

2 stops19h 25m

Ljubljana Joze Pucnik

Fri 9/5

10:50 am-8:10 pm

1 stop15h 20m

$476

NewarkLjubljana

EWR - LJU

EWRLJU

Newark

Mon 8/25

2:13 pm-4:10 pm

2 stops19h 57m

Ljubljana Joze Pucnik

Thu 9/4

7:00 pm-7:25 pm

1 stop30h 25m

$482

New YorkLjubljana

JFK - LJU

JFKLJU

New York John F Kennedy Intl

Tue 9/2

8:40 pm-8:00 pm

1 stop17h 20m

Ljubljana Joze Pucnik

Mon 9/8

3:10 pm-10:30 pm

1 stop13h 20m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Pennsylvania to Slovenia

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

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

Find hourly flight availability from Pennsylvania 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 June 18, 2025.

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

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 18, 2025.
To help decide which airline to fly from Pennsylvania to Slovenia, see what other customers have to say about Delta, KLM and LOT. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,363 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,081 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,292 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,467 reviews
Delta
8.0
Very good
7,965 reviews

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania 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 Pennsylvania to Slovenia one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as $375. However, be on the lookout for offers from Lufthansa and Delta, as they are both options that can get you from Pennsylvania to Slovenia for a low price.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Pennsylvania to Slovenia (average of $710). Flying from Pennsylvania to Slovenia in June is currently the most expensive (average of $1,460). 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 Pennsylvania to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Gatwick flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
Newark to Heathrow flights
John F Kennedy Intl to Istanbul flights
Newark to Orly flights
John F Kennedy Intl to Athens flights
Newark to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Lisbon flights
Newark to Athens flights
John F Kennedy Intl to Barcelona-El Prat flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Orly flights
Los Angeles to Heathrow flights
Newark to Gatwick flights
Newark to Lisbon flights
Miami to Madrid flights
LaGuardia to Charles de Gaulle flights
Boston to Heathrow flights
Seattle to Heathrow flights
O'Hare Intl to Heathrow flights
Newark to Barcelona-El Prat flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
O'Hare Intl to Charles de Gaulle flights
Newark to Dublin flights
Dulles Intl to Charles de Gaulle flights
Baltimore to Heathrow flights
Boston to Charles de Gaulle flights
John F Kennedy Intl to Madrid flights
John F Kennedy Intl to Malpensa flights
John F Kennedy Intl to Frederic Chopin flights
LaGuardia to Gatwick flights
O'Hare Intl to Leonardo da Vinci/Fiumicino flights
Newark to Madrid flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
Boston to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Stansted flights
John F Kennedy Intl to Vicenza flights
John F Kennedy Intl to Dublin flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Newark to Malpensa flights
Boston to Gatwick flights
Los Angeles to Charles de Gaulle flights
Newark to Frankfurt flights
Boston to Dublin flights

Top airline flying from Pennsylvania to Slovenia

Discover the top airline that operate flights from Pennsylvania 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$601Average$1,188FlexibilityNo cancel feeOn-time76%

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.