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$475+ Cheap flights from Philadelphia (PHL) 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — LJU
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Philadelphia to Slovenia

Keep the following information in mind while searching for Philadelphia to Slovenia flight deals. Data was last updated July 30, 2025.

Round-trip from

$682
(British Airways)

One-way from

$475
(Kiwi.com)
From Philadelphia to Slovenia
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One-way flight from Philadelphia to Slovenia
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Find flight deals from Philadelphia to Slovenia

Cheapest flights from Philadelphia to Slovenia
Explore the most affordable flight options available from Philadelphia to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This British Airways deal was found by Cheapflights users on 7/29. 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.
Mon 9/226:30 pmPHL - LJU
1 stop15h 40mBritish Airways
Wed 10/156:00 pmLJU - PHL
1 stop28h 25mBritish Airways
Deal found 7/29$682
This Justfly.com deal was found by Cheapflights users on 7/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:45 pmPHL - LJU
1 stop12h 30mMultiple Airlines
Fri 9/56:40 amLJU - PHL
2 stops21h 28mMultiple Airlines
Deal found 7/30$748
This Kiwi.com deal was found by Cheapflights users on 7/29. 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.
Fri 9/265:35 pmPHL - LJU
2 stops19h 50mLufthansa
Tue 10/71:55 pmLJU - PHL
1 stop32h 05mLufthansa
Deal found 7/29$768
This SWISS deal was found by Cheapflights users on 7/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:15 pmPHL - LJU
2 stops27h 00mSWISS
Sun 12/72:30 pmLJU - PHL
2 stops37h 06mSWISS
Deal found 7/29$982
This Delta deal was found by Cheapflights users on 7/27. 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 12/31:15 pmPHL - LJU
2 stops17h 05mDelta
Sun 12/712:50 pmLJU - PHL
2 stops38h 26mDelta
Deal found 7/27$1,032

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 July 30, 2025.
Use the filters below to find and compare flights from Philadelphia to Slovenia that are best for you.

Fly from

Philadelphia

Fly to

Slovenia

Route

Depart

Return

Price

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 9/22

6:30 pm-4:10 pm

1 stop15h 40m

Ljubljana Joze Pucnik

Wed 10/15

6:00 pm-4:25 pm

1 stop28h 25m

$682

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 8/29

6:45 pm-1:15 pm

1 stop12h 30m

Ljubljana Joze Pucnik

Fri 9/5

6:40 am-10:08 pm

2 stops21h 28m

$748

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 9/26

5:35 pm-7:25 pm

2 stops19h 50m

Ljubljana Joze Pucnik

Tue 10/7

1:55 pm-4:00 pm

1 stop32h 05m

$768

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 10/26

5:07 pm-2:05 pm

3 stops39h 58m

Ljubljana Joze Pucnik

Fri 10/31

2:20 pm-10:21 pm

3 stops61h 01m

$1,247

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 10/26

9:25 am-6:40 pm

2 stops28h 15m

Ljubljana Joze Pucnik

Fri 10/31

7:35 pm-9:36 am

2 stops43h 01m

$1,303

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 8/15

9:59 pm-10:15 am

2 stops54h 16m

$475

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 8/15

6:45 pm-1:15 pm

1 stop12h 30m

$714

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Philadelphia to Slovenia

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

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

Currently, February is the cheapest month in which you can book a flight from Philadelphia to Slovenia (average of $710). Flying from Philadelphia to Slovenia in June is currently the most expensive (average of $1,443). 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.

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 July 30, 2025.
Get a feel of what it's like to fly with SWISS, Turkish Airlines, and Lufthansa from Philadelphia 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.
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
SWISS
7.5
Good
1,686 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Turkish Airlines
7.3
Good
3,928 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
Lufthansa
6.8
Okay
7,269 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.
British Airways
6.6
Okay
7,217 reviews
SWISS
7.5
Good
1,686 reviews

Overall

7.5

Crew

8.2

Food

7.1

Boarding

7.7

Comfort

7.4

Entertainment

6.8

Reviews

1 / 20
6.0
Good

Yvette,Nov 2024

BOS - ZRH

Food was not very good and the options were poor. The seat wasn't very comfortable. I would not choose to fly on this airline again. Their website was also difficult to navigate.

Related info for your journey

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

  • What airport do you fly from for flights from Philadelphia to Slovenia?

    Located just 7.0 mi from the city center, Philadelphia (PHL) is the airport most travelers will use when flying to Slovenia from Philadelphia.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Philadelphia to Slovenia (average of $710). Flying from Philadelphia to Slovenia in June is currently the most expensive (average of $1,443). 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

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Alternative routes for Philadelphia to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Philadelphia to Slovenia

Discover the top airline that operate flights from Philadelphia 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$750Average$1,008FlexibilityNo cancel feeOn-time76%

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