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Cheap flights from Philadelphia to Slovenia from $544

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Slovenia departing on 7/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
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.
United Airlines Logo
3:25 pm - 1:15 pm
PHL
-
LJU
39h 50m
2 stops
United Airlines Logo
2:05 pm - 4:05 pm
LJU
-
PHL
32h 00m
1 stop
$976United Airlines
Sun, Jul 26 - Mon, Aug 3
United Airlines Logo
3:25 pm - 9:15 am
PHL
-
LJU
35h 50m
2 stops
United Airlines Logo
10:25 am - 2:49 pm
LJU
-
PHL
34h 24m
2 stops
$980United Airlines
Sun, Jul 26 - Mon, Aug 3
United Airlines Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
United Airlines Logo
2:05 pm - 4:05 pm
LJU
-
PHL
32h 00m
1 stop
$1,019United Airlines
Sun, Jul 26 - Mon, Aug 3
Turkish Airlines Logo
8:28 am - 8:45 am
PHL
-
LJU
42h 17m
2 stops
Turkish Airlines Logo
1:50 pm - 7:38 am
LJU
-
PHL
47h 48m
2 stops
$1,165Turkish Airlines
Mon, Aug 3 - Fri, Aug 7
Multiple Airlines Logo
8:28 am - 7:20 pm
PHL
-
LJU
28h 52m
2 stops
Multiple Airlines Logo
9:40 am - 7:38 am
LJU
-
PHL
27h 58m
2 stops
$1,218Multiple Airlines
Mon, Aug 3 - Fri, Aug 7
Multiple Airlines Logo
6:00 am - 9:45 pm
PHL
-
LJU
33h 45m
2 stops
Multiple Airlines Logo
2:40 pm - 4:05 pm
LJU
-
PHL
31h 25m
1 stop
$1,244Multiple Airlines
Mon, May 18 - Mon, Jun 1
Multiple Airlines Logo
10:25 am - 9:45 pm
PHL
-
LJU
29h 20m
2 stops
Multiple Airlines Logo
2:40 pm - 9:33 pm
LJU
-
PHL
36h 53m
2 stops
$1,247Multiple Airlines
Mon, May 18 - Mon, Jun 1
Multiple Airlines Logo
9:26 am - 7:20 pm
PHL
-
LJU
27h 54m
2 stops
Multiple Airlines Logo
9:40 am - 7:38 am
LJU
-
PHL
27h 58m
2 stops
$1,332Multiple Airlines
Tue, Jun 9 - Tue, Jun 23
Multiple Airlines Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
Multiple Airlines Logo
9:15 pm - 4:45 pm
LJU
-
PHL
25h 30m
1 stop
$1,390Multiple Airlines
Mon, Aug 3 - Fri, Aug 7
Multiple Airlines Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
Multiple Airlines Logo
9:15 pm - 11:07 am
LJU
-
PHL
43h 52m
2 stops
$1,432Multiple Airlines
Mon, Aug 3 - Fri, Aug 7

Delta flights from Philadelphia to Slovenia

Our best Delta deals on Philadelphia to Slovenia flight tickets
Delta
Sep 22
PHL1:20 pmPhiladelphia
18h 30m
2 stops
LJU1:50 pmLjubljana Joze Pucnik
Oct 13
LJU6:00 amLjubljana Joze Pucnik
19h 24m
2 stops
PHL7:24 pmPhiladelphia
$995
Delta
Sep 21
PHL7:59 pmPhiladelphia
20h 56m
2 stops
LJU10:55 pmLjubljana Joze Pucnik
Oct 12
LJU2:35 pmLjubljana Joze Pucnik
36h 02m
2 stops
PHL8:37 pmPhiladelphia
$1,020
Delta
Sep 25
PHL6:00 amPhiladelphia
25h 50m
2 stops
LJU1:50 pmLjubljana Joze Pucnik
Oct 15
LJU6:00 amLjubljana Joze Pucnik
20h 07m
2 stops
PHL8:07 pmPhiladelphia
$1,055

United Airlines flights from Philadelphia to Slovenia

Our best United Airlines deals on Philadelphia to Slovenia flight tickets
United Airlines
Sep 2
PHL5:40 pmPhiladelphia
13h 25m
1 stop
LJU1:05 pmLjubljana Joze Pucnik
Sep 11
LJU6:35 amLjubljana Joze Pucnik
38h 12m
2 stops
PHL2:47 pmPhiladelphia
$954
United Airlines
Aug 12
PHL10:28 amPhiladelphia
20h 07m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Aug 22
LJU5:50 amLjubljana Joze Pucnik
22h 56m
2 stops
PHL10:46 pmPhiladelphia
$955
United Airlines
Aug 12
PHL9:52 amPhiladelphia
20h 43m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Aug 23
LJU6:05 amLjubljana Joze Pucnik
33h 41m
2 stops
PHL9:46 amPhiladelphia
$962

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 May 6, 2026.
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

Cheapest round-trip

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 7/26

3:25 pm-1:15 pm

2 stops39h 50m

Ljubljana Joze Pucnik

Mon 8/3

2:05 pm-4:05 pm

1 stop32h 00m

$976

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 7/26

3:25 pm-9:15 am

2 stops35h 50m

Ljubljana Joze Pucnik

Mon 8/3

10:25 am-2:49 pm

2 stops34h 24m

$980

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 7/26

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Mon 8/3

2:05 pm-4:05 pm

1 stop32h 00m

$1,019

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 8/3

8:28 am-8:45 am

2 stops42h 17m

Ljubljana Joze Pucnik

Fri 8/7

1:50 pm-7:38 am

2 stops47h 48m

$1,165

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 8/3

8:28 am-7:20 pm

2 stops28h 52m

Ljubljana Joze Pucnik

Fri 8/7

9:40 am-7:38 am

2 stops27h 58m

$1,218

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 5/18

6:00 am-9:45 pm

2 stops33h 45m

Ljubljana Joze Pucnik

Mon 6/1

2:40 pm-4:05 pm

1 stop31h 25m

$1,244

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 5/18

10:25 am-9:45 pm

2 stops29h 20m

Ljubljana Joze Pucnik

Mon 6/1

2:40 pm-9:33 pm

2 stops36h 53m

$1,247

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 6/9

9:26 am-7:20 pm

2 stops27h 54m

Ljubljana Joze Pucnik

Tue 6/23

9:40 am-7:38 am

2 stops27h 58m

$1,332
Quickest round-trip

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 8/3

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Fri 8/7

9:15 pm-4:45 pm

1 stop25h 30m

$1,390

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 8/3

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Fri 8/7

9:15 pm-11:07 am

2 stops43h 52m

$1,432

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Philadelphia to Slovenia flights?

You could potentially save up to 38% 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

13h 25m

Direct flights

None
The fastest flight from Philadelphia to Slovenia takes 13h 25m
There are no direct flights from Philadelphia to Slovenia. There are no popular flight routes from Philadelphia to Slovenia.
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Frequently asked questions about flying from Philadelphia to Slovenia

  • 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 $725Free CancellationRating
6.8
7,974 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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