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Cheap flights from Philadelphia to Slovenia from $955

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 9/2. 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.
Multiple Airlines Logo
4:05 pm - 1:25 pm
PHL
-
LJU
15h 20m
2 stops
Multiple Airlines Logo
6:00 am - 6:27 pm
LJU
-
PHL
18h 27m
2 stops
$955Multiple Airlines
Wed, Sep 2 - Thu, Sep 10
Delta Logo
12:38 pm - 1:50 pm
PHL
-
LJU
19h 12m
2 stops
Delta Logo
6:00 am - 11:07 pm
LJU
-
PHL
23h 07m
2 stops
$995Delta
Tue, May 26 - Tue, Jun 2
Multiple Airlines Logo
11:30 am - 10:05 am
PHL
-
LJU
16h 35m
2 stops
Multiple Airlines Logo
6:05 am - 4:05 pm
LJU
-
PHL
16h 00m
1 stop
$1,004Multiple Airlines
Sun, Sep 6 - Sun, Sep 20
Delta Logo
9:40 am - 1:50 pm
PHL
-
LJU
22h 10m
2 stops
Delta Logo
2:35 pm - 5:14 pm
LJU
-
PHL
32h 39m
2 stops
$1,008Delta
Wed, Sep 16 - Tue, Sep 29
Delta Logo
4:05 pm - 1:50 pm
PHL
-
LJU
15h 45m
2 stops
Delta Logo
2:35 pm - 5:14 pm
LJU
-
PHL
32h 39m
2 stops
$1,015Delta
Wed, Sep 16 - Thu, Oct 1
United Airlines Logo
3:25 pm - 9:15 am
PHL
-
LJU
35h 50m
2 stops
United Airlines Logo
6:05 am - 9:46 am
LJU
-
PHL
33h 41m
2 stops
$1,029United Airlines
Sun, Sep 6 - Sun, Sep 20
Delta Logo
2:12 pm - 1:50 pm
PHL
-
LJU
17h 38m
2 stops
Delta Logo
6:00 am - 6:27 pm
LJU
-
PHL
18h 27m
2 stops
$1,055Delta
Wed, Sep 16 - Mon, Sep 28
Lufthansa Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
Lufthansa Logo
5:50 am - 9:32 pm
LJU
-
PHL
21h 42m
2 stops
$1,056Lufthansa
Thu, Sep 10 - Sat, Sep 19
Delta Logo
5:12 pm - 10:55 pm
PHL
-
LJU
23h 43m
2 stops
Delta Logo
6:00 am - 10:37 pm
LJU
-
PHL
22h 37m
2 stops
$1,060Delta
Thu, Sep 17 - Wed, Sep 30
Multiple Airlines Logo
3:25 pm - 12:55 pm
PHL
-
LJU
39h 30m
2 stops
Multiple Airlines Logo
9:40 am - 5:40 am
LJU
-
PHL
26h 00m
2 stops
$1,061Multiple Airlines
Sat, Sep 19 - Mon, Sep 28

United Airlines flights from Philadelphia to Slovenia

Our best United Airlines deals on Philadelphia to Slovenia flight tickets
United Airlines
Sep 6
PHL3:25 pmPhiladelphia
35h 50m
2 stops
LJU9:15 amLjubljana Joze Pucnik
Sep 20
LJU6:05 amLjubljana Joze Pucnik
33h 41m
2 stops
PHL9:46 amPhiladelphia
$1,029
United Airlines
Sep 10
PHL10:28 amPhiladelphia
20h 47m
2 stops
LJU1:15 pmLjubljana Joze Pucnik
Sep 19
LJU5:50 amLjubljana Joze Pucnik
21h 42m
2 stops
PHL9:32 pmPhiladelphia
$1,068
United Airlines
Sep 11
PHL10:28 amPhiladelphia
20h 37m
2 stops
LJU1:05 pmLjubljana Joze Pucnik
Sep 19
LJU5:50 amLjubljana Joze Pucnik
33h 55m
2 stops
PHL9:45 amPhiladelphia
$1,073

Lufthansa flights from Philadelphia to Slovenia

Our best Lufthansa deals on Philadelphia to Slovenia flight tickets
Lufthansa
Sep 10
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Sep 19
LJU5:50 amLjubljana Joze Pucnik
21h 42m
2 stops
PHL9:32 pmPhiladelphia
$1,056
Lufthansa
Sep 20
PHL5:40 pmPhiladelphia
19h 45m
2 stops
LJU7:25 pmLjubljana Joze Pucnik
Sep 29
LJU2:25 pmLjubljana Joze Pucnik
31h 40m
1 stop
PHL4:05 pmPhiladelphia
$1,071
Lufthansa
Sep 10
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Sep 19
LJU1:45 pmLjubljana Joze Pucnik
32h 20m
1 stop
PHL4:05 pmPhiladelphia
$1,079

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 2, 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

Wed 9/2

4:05 pm-1:25 pm

2 stops15h 20m

Ljubljana Joze Pucnik

Thu 9/10

6:00 am-6:27 pm

2 stops18h 27m

$955

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 5/26

12:38 pm-1:50 pm

2 stops19h 12m

Ljubljana Joze Pucnik

Tue 6/2

6:00 am-11:07 pm

2 stops23h 07m

$995
Quickest round-trip

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 9/6

11:30 am-10:05 am

2 stops16h 35m

Ljubljana Joze Pucnik

Sun 9/20

6:05 am-4:05 pm

1 stop16h 00m

$1,004

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 9/16

9:40 am-1:50 pm

2 stops22h 10m

Ljubljana Joze Pucnik

Tue 9/29

2:35 pm-5:14 pm

2 stops32h 39m

$1,008

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 9/16

4:05 pm-1:50 pm

2 stops15h 45m

Ljubljana Joze Pucnik

Thu 10/1

2:35 pm-5:14 pm

2 stops32h 39m

$1,015

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 9/6

3:25 pm-9:15 am

2 stops35h 50m

Ljubljana Joze Pucnik

Sun 9/20

6:05 am-9:46 am

2 stops33h 41m

$1,029

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 9/16

2:12 pm-1:50 pm

2 stops17h 38m

Ljubljana Joze Pucnik

Mon 9/28

6:00 am-6:27 pm

2 stops18h 27m

$1,055

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 9/10

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Sat 9/19

5:50 am-9:32 pm

2 stops21h 42m

$1,056

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Thu 9/17

5:12 pm-10:55 pm

2 stops23h 43m

Ljubljana Joze Pucnik

Wed 9/30

6:00 am-10:37 pm

2 stops22h 37m

$1,060

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sat 9/19

3:25 pm-12:55 pm

2 stops39h 30m

Ljubljana Joze Pucnik

Mon 9/28

9:40 am-5:40 am

2 stops26h 00m

$1,061

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

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

16h 35m

Direct flights

None
The fastest flight from Philadelphia to Slovenia takes 16h 35m
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
7,964 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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