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Cheap flights from Philadelphia to Slovenia from $661

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 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
5:40 pm - 9:55 amPHL-LJU
10h 15m1 stop
Lufthansa Logo
10:35 am - 4:05 pmLJU-PHL
11h 30m1 stop
$661Lufthansa
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
3:30 pm - 12:55 pmPHL-LJU
15h 25m2 stops
Multiple Airlines Logo
10:35 am - 4:05 pmLJU-PHL
11h 30m1 stop
$668Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Multiple Airlines Logo
6:30 am - 10:25 pmPHL-LJU
33h 55m2 stops
Multiple Airlines Logo
6:35 am - 5:39 pmLJU-PHL
17h 04m2 stops
$683Multiple Airlines
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
10:15 am - 12:20 pmPHL-LJU
20h 05m2 stops
Delta Logo
12:25 pm - 11:10 pmLJU-PHL
16h 45m2 stops
$743Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
KLM Logo
12:22 pm - 11:40 amPHL-LJU
17h 18m2 stops
KLM Logo
12:45 pm - 9:40 pmLJU-PHL
38h 55m2 stops
$788KLM
Find Deal
Wed, Dec 3 - Sun, Dec 7
Turkish Airlines Logo
4:32 pm - 6:40 pmPHL-LJU
20h 08m2 stops
Turkish Airlines Logo
7:35 pm - 9:48 pmLJU-PHL
32h 13m2 stops
$851Turkish Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
5:35 pm - 1:25 pmPHL-LJU
13h 50m1 stop
Lufthansa Logo
6:25 am - 4:00 pmLJU-PHL
15h 35m1 stop
$872Lufthansa
Find Deal
Fri, May 8 - Fri, May 15
Turkish Airlines Logo
10:00 am - 1:00 pmPHL-LJU
45h 00m2 stops
Turkish Airlines Logo
1:55 pm - 9:13 amLJU-PHL
49h 18m2 stops
$877Turkish Airlines
Find Deal
Sat, May 9 - Sat, May 16
Multiple Airlines Logo
10:35 am - 1:25 pmPHL-LJU
20h 50m2 stops
Multiple Airlines Logo
10:15 am - 4:00 pmLJU-PHL
11h 45m1 stop
$884Multiple Airlines
Find Deal
Fri, May 8 - Fri, May 15
Delta Logo
10:15 am - 12:20 pmPHL-LJU
20h 05m2 stops
Delta Logo
12:50 pm - 11:17 pmLJU-PHL
40h 27m2 stops
$1,540Delta
Find Deal
Mon, Dec 15 - Tue, Dec 30

Lufthansa flights from Philadelphia to Slovenia

Our best Lufthansa deals on Philadelphia to Slovenia flight tickets
Lufthansa
Dec 9
PHL5:40 pmPhiladelphia
10h 15m
1 stop
LJU9:55 amLjubljana Joze Pucnik
Dec 16
LJU10:35 amLjubljana Joze Pucnik
11h 30m
1 stop
PHL4:05 pmPhiladelphia
$661
Find similar
Lufthansa
May 8
PHL5:35 pmPhiladelphia
13h 50m
1 stop
LJU1:25 pmLjubljana Joze Pucnik
May 15
LJU6:25 amLjubljana Joze Pucnik
15h 35m
1 stop
PHL4:00 pmPhiladelphia
$872
Find similar
Lufthansa
May 9
PHL4:50 pmPhiladelphia
34h 45m
2 stops
LJU9:35 amLjubljana Joze Pucnik
May 17
LJU10:15 amLjubljana Joze Pucnik
11h 45m
1 stop
PHL4:00 pmPhiladelphia
$899
Find similar

Delta flights from Philadelphia to Slovenia

Our best Delta deals on Philadelphia to Slovenia flight tickets
Delta
Dec 3
PHL10:15 amPhiladelphia
20h 05m
2 stops
LJU12:20 pmLjubljana Joze Pucnik
Dec 7
LJU12:25 pmLjubljana Joze Pucnik
16h 45m
2 stops
PHL11:10 pmPhiladelphia
$743
Find similar
Delta
Dec 15
PHL10:15 amPhiladelphia
20h 05m
2 stops
LJU12:20 pmLjubljana Joze Pucnik
Dec 30
LJU12:50 pmLjubljana Joze Pucnik
40h 27m
2 stops
PHL11:17 pmPhiladelphia
$1,540
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 10, 2025.
Use the filters below to find and compare flights from Philadelphia to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 12/9

5:40 pm-9:55 am

1 stop10h 15m

Ljubljana Joze Pucnik

Tue 12/16

10:35 am-4:05 pm

1 stop11h 30m

$661

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 12/9

3:30 pm-12:55 pm

2 stops15h 25m

Ljubljana Joze Pucnik

Tue 12/16

10:35 am-4:05 pm

1 stop11h 30m

$668

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 12/9

6:30 am-10:25 pm

2 stops33h 55m

Ljubljana Joze Pucnik

Tue 12/16

6:35 am-5:39 pm

2 stops17h 04m

$683

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 12/3

10:15 am-12:20 pm

2 stops20h 05m

Ljubljana Joze Pucnik

Sun 12/7

12:25 pm-11:10 pm

2 stops16h 45m

$743

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 12/3

12:22 pm-11:40 am

2 stops17h 18m

Ljubljana Joze Pucnik

Sun 12/7

12:45 pm-9:40 pm

2 stops38h 55m

$788

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 12/3

4:32 pm-6:40 pm

2 stops20h 08m

Ljubljana Joze Pucnik

Sun 12/7

7:35 pm-9:48 pm

2 stops32h 13m

$851

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 5/8

5:35 pm-1:25 pm

1 stop13h 50m

Ljubljana Joze Pucnik

Fri 5/15

6:25 am-4:00 pm

1 stop15h 35m

$872

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sat 5/9

10:00 am-1:00 pm

2 stops45h 00m

Ljubljana Joze Pucnik

Sat 5/16

1:55 pm-9:13 am

2 stops49h 18m

$877

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 5/8

10:35 am-1:25 pm

2 stops20h 50m

Ljubljana Joze Pucnik

Fri 5/15

10:15 am-4:00 pm

1 stop11h 45m

$884

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 12/15

10:15 am-12:20 pm

2 stops20h 05m

Ljubljana Joze Pucnik

Tue 12/30

12:50 pm-11:17 pm

2 stops40h 27m

$1,540

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Slovenia from

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

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

Direct flights

None
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?

  • 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
LufthansaPriceFrom $750Free CancellationRating
6.8
7,565 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.

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