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Cheap flights from Philadelphia to Slovenia from $528

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 8/22. 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
5:05 pm - 2:15 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
15h 10m2 stops Toronto Pearson Intl Zurich
Multiple Airlines Logo
6:40 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
15h 25m1 stop Frankfurt am Main
$900Multiple Airlines
Mon, Dec 7 - Thu, Dec 17
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
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
$904Multiple 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
9:55 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
12h 10m1 stop Frankfurt am Main
$983Lufthansa
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
9:34 am - 12:35 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
21h 01m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
9:55 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
12h 10m1 stop Frankfurt am Main
$986United Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
6:10 am - 12:35 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
24h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
United Airlines Logo
6:55 am - 9:32 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
20h 37m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$989United Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
3:25 pm - 12:30 amPHL  Philadelphia-LJU Ljubljana Joze Pucnik
27h 05m3 stops Montreal Pierre Elliott Trudeau Intl Brussels Bruxelles-National Warsaw Frederic Chopin
Multiple Airlines Logo
5:05 pm - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
29h 00m3 stops Warsaw Frederic Chopin Brussels Bruxelles-National Frankfurt am Main
$1,008Multiple Airlines
Tue, Sep 29 - Tue, Oct 6
Multiple Airlines Logo
1:24 pm - 1:25 pmPHL  Philadelphia-LJU Ljubljana Joze Pucnik
18h 01m2 stops Boston Logan Intl Amsterdam Schiphol
Multiple Airlines Logo
6:00 am - 10:07 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
22h 07m2 stops Amsterdam Schiphol Boston Logan Intl
$1,058Multiple Airlines
Thu, Oct 1 - Thu, Oct 15
Multiple Airlines Logo
10:40 am - 9:15 amPHL  Philadelphia-LJU Ljubljana Joze Pucnik
16h 35m2 stops Washington, D.C. Dulles Intl Frankfurt am Main
Multiple Airlines Logo
10:25 am - 4:05 pmLJU  Ljubljana Joze Pucnik-PHL Philadelphia
11h 40m1 stop Frankfurt am Main
$1,059Multiple Airlines
Thu, Oct 1 - Thu, Oct 15

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Lufthansa flights from Philadelphia to Slovenia

Our best Lufthansa deals on Philadelphia to Slovenia flight tickets
Lufthansa
Sep 29
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Oct 6
LJU9:55 amLjubljana Joze Pucnik
12h 10m
1 stop
PHL4:05 pmPhiladelphia
$983
Lufthansa
Sep 27
PHL5:40 pmPhiladelphia
22h 15m
1 stop
LJU9:55 pmLjubljana Joze Pucnik
Oct 4
LJU2:05 pmLjubljana Joze Pucnik
32h 00m
1 stop
PHL4:05 pmPhiladelphia
$1,143
Lufthansa
Oct 1
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Oct 15
LJU6:25 amLjubljana Joze Pucnik
15h 40m
1 stop
PHL4:05 pmPhiladelphia
$1,225

United Airlines flights from Philadelphia to Slovenia

Our best United Airlines deals on Philadelphia to Slovenia flight tickets
United Airlines
Sep 29
PHL9:34 amPhiladelphia
21h 01m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 6
LJU9:55 amLjubljana Joze Pucnik
12h 10m
1 stop
PHL4:05 pmPhiladelphia
$986
United Airlines
Sep 29
PHL6:10 amPhiladelphia
24h 25m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 6
LJU6:55 amLjubljana Joze Pucnik
20h 37m
2 stops
PHL9:32 pmPhiladelphia
$989
United Airlines
Sep 27
PHL10:40 amPhiladelphia
20h 35m
2 stops
LJU1:15 pmLjubljana Joze Pucnik
Oct 4
LJU6:05 amLjubljana Joze Pucnik
33h 38m
2 stops
PHL9:43 amPhiladelphia
$1,075

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 17, 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

5:05 pm-2:15 pm

2 stops15h 10m

Ljubljana Joze Pucnik

Thu 12/17

6:40 am-4:05 pm

1 stop15h 25m

$900

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-2:15 pm

2 stops40h 55m

Ljubljana Joze Pucnik

Thu 12/17

10:45 am-10:56 pm

2 stops18h 11m

$904

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

Tue 10/6

9:55 am-4:05 pm

1 stop12h 10m

$983

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Tue 9/29

9:34 am-12:35 pm

2 stops21h 01m

Ljubljana Joze Pucnik

Tue 10/6

9:55 am-4:05 pm

1 stop12h 10m

$986

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Tue 9/29

6:10 am-12:35 pm

2 stops24h 25m

Ljubljana Joze Pucnik

Tue 10/6

6:55 am-9:32 pm

2 stops20h 37m

$989

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Tue 9/29

3:25 pm-12:30 am

3 stops27h 05m

Ljubljana Joze Pucnik

Tue 10/6

5:05 pm-4:05 pm

3 stops29h 00m

$1,008

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Thu 10/1

1:24 pm-1:25 pm

2 stops18h 01m

Ljubljana Joze Pucnik

Thu 10/15

6:00 am-10:07 pm

2 stops22h 07m

$1,058

PhiladelphiaLjubljana

PHL Philadelphia - LJU Ljubljana Joze Pucnik

PHLLJU

Philadelphia

Thu 10/1

10:40 am-9:15 am

2 stops16h 35m

Ljubljana Joze Pucnik

Thu 10/15

10:25 am-4:05 pm

1 stop11h 40m

$1,059

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 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

13h 28m

Direct flights

None
The fastest flight from Philadelphia to Slovenia takes 13h 28m
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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