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Cheap flights from Philadelphia to Slovenia from $903

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 12/7. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Philadelphia to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:20 pm - 2:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
40h 55m2 stops Montreal Pierre Elliott Trudeau Intl Zurich
Multiple Airlines Logo
10:45 am - 10:56 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
18h 11m2 stops Frankfurt am Main Toronto Pearson Intl
$903Multiple Airlines
Mon, Dec 7 - Thu, Dec 17
United Airlines Logo
3:20 pm - 10:05 amPHL  Philadelphia-LJU Ljubljana Joze Pucnik
12h 45m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main
United Airlines Logo
6:40 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
15h 25m1 stop Frankfurt am Main
$905United Airlines
Mon, Dec 7 - Thu, Dec 17
Multiple Airlines Logo
5:05 pm - 9:20 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
22h 15m2 stops Toronto Pearson Intl Frankfurt am Main
Multiple Airlines Logo
6:40 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
15h 25m1 stop Frankfurt am Main
$906Multiple Airlines
Mon, Dec 7 - Thu, Dec 17
Lufthansa Logo
5:40 pm - 1:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
13h 35m1 stop Frankfurt am Main
Lufthansa Logo
10:25 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
11h 40m1 stop Frankfurt am Main
$981Lufthansa
Tue, Sep 29 - Thu, Oct 8
SWISS Logo
10:34 am - 10:05 amPHL  Philadelphia-LJU Ljubljana Joze Pucnik
17h 31m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
2:50 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
55h 15m2 stops Zurich Frankfurt am Main
$1,092SWISS
Mon, Sep 7 - Sat, Sep 12
SWISS Logo
10:34 am - 10:40 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
30h 06m2 stops Chicago O'Hare Intl Zurich
SWISS Logo
2:50 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
55h 15m2 stops Zurich Frankfurt am Main
$1,093SWISS
Mon, Sep 7 - Sat, Sep 12
Lufthansa Logo
5:40 pm - 9:55 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
22h 15m1 stop Frankfurt am Main
Lufthansa Logo
1:45 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
32h 20m1 stop Frankfurt am Main
$1,125Lufthansa
Wed, Sep 30 - Sat, Oct 10
SWISS Logo
1:12 pm - 2:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
19h 03m3 stops Chicago O'Hare Intl London Heathrow Zurich
SWISS Logo
3:15 pm - 9:32 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
36h 17m2 stops Zurich Chicago O'Hare Intl
$1,741SWISS
Mon, Dec 28 - Tue, Jan 5
Lufthansa Logo
5:40 pm - 1:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
13h 35m1 stop Frankfurt am Main
Lufthansa Logo
1:45 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
32h 20m1 stop Frankfurt am Main
$1,853Lufthansa
Mon, Sep 7 - Sat, Sep 12
Lufthansa Logo
5:40 pm - 1:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
13h 35m1 stop Frankfurt am Main
Lufthansa Logo
1:45 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
32h 20m1 stop Frankfurt am Main
$1,854Lufthansa
Mon, Sep 7 - Sat, Sep 12

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United Airlines flights from Philadelphia to Slovenia

Our best United Airlines deals on Philadelphia to Slovenia flight tickets
United Airlines
Dec 7
PHL3:20 pmPhiladelphia
12h 45m
2 stops
LJU10:05 amLjubljana Joze Pucnik
Dec 17
LJU6:40 amLjubljana Joze Pucnik
15h 25m
1 stop
PHL4:05 pmPhiladelphia
$905
United Airlines
Sep 17
PHL10:30 amPhiladelphia
16h 45m
2 stops
LJU9:15 amLjubljana Joze Pucnik
Sep 24
LJU6:25 amLjubljana Joze Pucnik
15h 40m
1 stop
PHL4:05 pmPhiladelphia
$1,058
United Airlines
Sep 17
PHL10:30 amPhiladelphia
16h 45m
2 stops
LJU9:15 amLjubljana Joze Pucnik
Sep 24
LJU2:05 pmLjubljana Joze Pucnik
14h 41m
2 stops
PHL10:46 pmPhiladelphia
$1,067

SWISS flights from Philadelphia to Slovenia

Our best SWISS deals on Philadelphia to Slovenia flight tickets
SWISS
Sep 7
PHL10:34 amPhiladelphia
17h 31m
2 stops
LJU10:05 amLjubljana Joze Pucnik
Sep 12
LJU2:50 pmLjubljana Joze Pucnik
55h 15m
2 stops
PHL4:05 pmPhiladelphia
$1,092
SWISS
Sep 7
PHL10:34 amPhiladelphia
30h 06m
2 stops
LJU10:40 pmLjubljana Joze Pucnik
Sep 12
LJU2:50 pmLjubljana Joze Pucnik
55h 15m
2 stops
PHL4:05 pmPhiladelphia
$1,093
SWISS
Dec 28
PHL1:12 pmPhiladelphia
19h 03m
3 stops
LJU2:15 pmLjubljana Joze Pucnik
Jan 5
LJU3:15 pmLjubljana Joze Pucnik
36h 17m
2 stops
PHL9:32 pmPhiladelphia
$1,741

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 August 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 Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 12/7

3:20 pm-2:15 pm

2 stops40h 55m

Ljubljana Joze Pucnik

Thu 12/17

10:45 am-10:56 pm

2 stops18h 11m

$903

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 12/7

3:20 pm-10:05 am

2 stops12h 45m

Ljubljana Joze Pucnik

Thu 12/17

6:40 am-4:05 pm

1 stop15h 25m

$905

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 12/7

5:05 pm-9:20 pm

2 stops22h 15m

Ljubljana Joze Pucnik

Thu 12/17

6:40 am-4:05 pm

1 stop15h 25m

$906
Quickest round-trip

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Tue 9/29

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Thu 10/8

10:25 am-4:05 pm

1 stop11h 40m

$981

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 9/7

10:34 am-10:05 am

2 stops17h 31m

Ljubljana Joze Pucnik

Sat 9/12

2:50 pm-4:05 pm

2 stops55h 15m

$1,092

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 9/7

10:34 am-10:40 pm

2 stops30h 06m

Ljubljana Joze Pucnik

Sat 9/12

2:50 pm-4:05 pm

2 stops55h 15m

$1,093

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Wed 9/30

5:40 pm-9:55 pm

1 stop22h 15m

Ljubljana Joze Pucnik

Sat 10/10

1:45 pm-4:05 pm

1 stop32h 20m

$1,125

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 12/28

1:12 pm-2:15 pm

3 stops19h 03m

Ljubljana Joze Pucnik

Tue 1/5

3:15 pm-9:32 pm

2 stops36h 17m

$1,741

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 9/7

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Sat 9/12

1:45 pm-4:05 pm

1 stop32h 20m

$1,853

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Mon 9/7

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Sat 9/12

1:45 pm-4:05 pm

1 stop32h 20m

$1,854

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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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 55% 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

12h 45m

Direct flights

None
The fastest flight from Philadelphia to Slovenia takes 12h 45m
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 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.

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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