What airlines fly to Slovenia?

Lufthansa, SWISS and Air Serbia are the top three most popular airlines that fly to Slovenia from Philadelphia according to our data. Lufthansa is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Slovenia. Keep in mind that there are 8 different airlines that fly to Slovenia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Philadelphia Airport to Slovenia?

Prices for flights from Philadelphia Airport to Slovenia are refreshed on a daily basis.

How many operators does momondo search for flights from Philadelphia Airport to Slovenia?

The number of operators available for flights from Philadelphia Airport to Slovenia is 1 as of December 2025.

How old do you have to be to fly from Philadelphia Airport to Slovenia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Slovenia.

What documentation or ID do you need to fly to Slovenia?

The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$864 Cheap Flights from Philadelphia to Slovenia in 2025/26

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Find the cheapest flights from Philadelphia to Slovenia

Round-trip

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Cheap round-trip flights

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9:52 am - 6:40 pm

PHL

LJU

26h 48m3 stops

9:20 am - 8:47 am

LJU

PHL

29h 27m3 stops

$864Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

3:30 pm - 1:10 pm

PHL

LJU

15h 40m2 stops

10:30 am - 10:46 pm

LJU

PHL

18h 16m2 stops

$989Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

5:40 pm - 9:55 am

PHL

LJU

10h 15m1 stop

2:25 pm - 9:36 pm

LJU

PHL

37h 11m2 stops

$1,008Multiple Airlines

Thu, Jan 29 - Thu, Feb 5

1:10 pm - 10:30 pm

PHL

LJU

27h 20m2 stops

2:25 pm - 9:36 pm

LJU

PHL

37h 11m3 stops

$1,048SWISS

Thu, Jan 29 - Thu, Feb 5

12:40 pm - 1:15 pm

PHL

LJU

42h 35m2 stops

2:00 pm - 9:36 pm

LJU

PHL

37h 36m2 stops

$1,930Emirates

Thu, Jan 29 - Mon, Feb 2

SWISS flights from Philadelphia to Slovenia

Our best SWISS deals on Philadelphia to Slovenia flight tickets

SWISS

Jan 29

PHL1:10 pmPhiladelphia

27h 20m

2 stops

LJU10:30 pmLjubljana Joze Pucnik

Feb 5

LJU2:25 pmLjubljana Joze Pucnik

37h 11m

3 stops

PHL9:36 pmPhiladelphia

$1,048

Find similar

SWISS

Dec 23

PHL5:40 pmPhiladelphia

14h 25m

2 stops

LJU2:05 pmLjubljana Joze Pucnik

Dec 29

LJU3:10 pmLjubljana Joze Pucnik

36h 21m

3 stops

PHL9:31 pmPhiladelphia

$1,721

Find similar

SWISS

Dec 23

PHL5:40 pmPhiladelphia

14h 25m

2 stops

LJU2:05 pmLjubljana Joze Pucnik

Dec 29

LJU3:10 pmLjubljana Joze Pucnik

30h 55m

2 stops

PHL4:05 pmPhiladelphia

$2,107

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 1/29

9:52 am-6:40 pm

3 stops26h 48m

Ljubljana Joze Pucnik

Thu 2/5

9:20 am-8:47 am

3 stops29h 27m

$864

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 1/29

3:30 pm-1:10 pm

2 stops15h 40m

Ljubljana Joze Pucnik

Thu 2/5

10:30 am-10:46 pm

2 stops18h 16m

$989

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 1/29

5:40 pm-9:55 am

1 stop10h 15m

Ljubljana Joze Pucnik

Thu 2/5

2:25 pm-9:36 pm

2 stops37h 11m

$1,008

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 1/29

1:10 pm-10:30 pm

2 stops27h 20m

Ljubljana Joze Pucnik

Thu 2/5

2:25 pm-9:36 pm

3 stops37h 11m

$1,048

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 1/29

12:40 pm-1:15 pm

2 stops42h 35m

Ljubljana Joze Pucnik

Mon 2/2

2:00 pm-9:36 pm

2 stops37h 36m

$1,930

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Slovenia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Slovenia?

According to our data, Monday is the cheapest day to fly to Slovenia from Philadelphia. The lowest ticket price found for a Monday departure recently was $946. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Thursday is $1,586.

Can stopping save me money on Philadelphia to Slovenia flights?

You could potentially save up to 4% on your flight if you consider stops on a Philadelphia to Slovenia flight.

Cheap Philadelphia to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Slovenia

Fastest flight time	18h 00m
Direct flights	None

The fastest flight from Philadelphia to Slovenia takes 18h 00m

There are no direct flights from Philadelphia to Slovenia. There are no popular flight routes from Philadelphia to Slovenia.

Search flight deals

When did momondo last update prices for flights from Philadelphia Airport to Slovenia?
Prices for flights from Philadelphia Airport to Slovenia are refreshed on a daily basis.
How many operators does momondo search for flights from Philadelphia Airport to Slovenia?
The number of operators available for flights from Philadelphia Airport to Slovenia is 1 as of December 2025.
How old do you have to be to fly from Philadelphia Airport to Slovenia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Slovenia.
What documentation or ID do you need to fly to Slovenia?
The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Philadelphia to Slovenia

Compare and see reviews for airlines that fly from Philadelphia to Slovenia with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $750	Free Cancellation	Rating 6.8 7,631 reviews		Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Slovenia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Philadelphia to Slovenia for you.

Can I find flights from Philadelphia to Slovenia with flexible booking policies on momondo?

All flight searches from Philadelphia to Slovenia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Philadelphia to Slovenia?

Once all potential Philadelphia to Slovenia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Philadelphia to Slovenia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Slovenia from Philadelphia. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Slovenia trip

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Flights to Ljubljanafrom $492

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Cheap flights from Philadelphia to Slovenia from $864

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Slovenia departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Philadelphia to Slovenia

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SWISS flights from Philadelphia to Slovenia

Our best SWISS deals on Philadelphia to Slovenia flight tickets

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How to get the cheapest flight ticket from Philadelphia to Slovenia

What is the cheapest day to depart on your flight to Slovenia?

Can stopping save me money on Philadelphia to Slovenia flights?

You could potentially save up to 4% on your flight if you consider stops on a Philadelphia to Slovenia flight.

What airlines fly to Slovenia?

Cheap Philadelphia to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Slovenia

Fastest flight time

Direct flights

When did momondo last update prices for flights from Philadelphia Airport to Slovenia?

How many operators does momondo search for flights from Philadelphia Airport to Slovenia?

How old do you have to be to fly from Philadelphia Airport to Slovenia?

What documentation or ID do you need to fly to Slovenia?

Best airlines flying from Philadelphia to Slovenia

Compare and see reviews for airlines that fly from Philadelphia to Slovenia with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Slovenia?

Can I find flights from Philadelphia to Slovenia with flexible booking policies on momondo?

How can momondo help me find flights from Philadelphia to Slovenia?

I’m not ready to book a flight from Philadelphia to Slovenia right now. Can momondo alert me if prices change?

An easier way to manage your Slovenia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Slovenia

Popular cities in Slovenia

Popular flights according to clicks in the last 7 days on momondo