Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Slovenia from $404

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 9/21. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Philadelphia to Slovenia

Cheap round-trip flights

Lufthansa Logo
4:35 pm - 12:40 pmPHL-LJU
15h 05m2 stops
Lufthansa Logo
6:35 am - 4:05 pmLJU-PHL
15h 30m1 stop
$563Lufthansa
Find Deal
Mon, Oct 27 - Tue, Nov 4
Lufthansa Logo
4:35 pm - 7:30 pmPHL-LJU
21h 55m2 stops
Lufthansa Logo
10:30 am - 4:05 pmLJU-PHL
11h 35m1 stop
$592Lufthansa
Find Deal
Wed, Oct 29 - Thu, Nov 6
Lufthansa Logo
6:40 pm - 9:55 amPHL-LJU
10h 15m1 stop
Lufthansa Logo
6:35 am - 4:05 pmLJU-PHL
15h 30m1 stop
$594Lufthansa
Find Deal
Tue, Oct 28 - Tue, Nov 4
SWISS Logo
5:07 pm - 10:25 pmPHL-LJU
24h 18m2 stops
SWISS Logo
6:30 am - 9:21 pmLJU-PHL
20h 51m2 stops
$602SWISS
Find Deal
Mon, Oct 27 - Thu, Nov 6
Air France Logo
1:42 pm - 11:40 amPHL-LJU
16h 58m2 stops
Air France Logo
12:25 pm - 12:52 amLJU-PHL
18h 27m2 stops
$606Air France
Find Deal
Tue, Oct 28 - Fri, Nov 7
Delta Logo
12:16 pm - 11:40 amPHL-LJU
18h 24m2 stops
Delta Logo
12:25 pm - 11:05 pmLJU-PHL
16h 40m2 stops
$607Delta
Find Deal
Sun, Oct 26 - Fri, Nov 7
Delta Logo
6:00 am - 11:40 amPHL-LJU
24h 40m2 stops
Delta Logo
12:50 pm - 12:52 amLJU-PHL
42h 02m2 stops
$608Delta
Find Deal
Tue, Oct 28 - Tue, Nov 4
Logo
4:35 pm - 12:40 pmPHL-LJU
15h 05m2 stops
Logo
3:10 pm - 9:21 pmLJU-PHL
36h 11m2 stops
$616
Find Deal
Mon, Oct 27 - Mon, Nov 3
Logo
12:40 pm - 1:35 pmPHL-LJU
19h 55m2 stops
Logo
6:35 am - 4:05 pmLJU-PHL
15h 30m1 stop
$624
Find Deal
Wed, Oct 29 - Thu, Nov 6
SWISS Logo
5:07 pm - 10:25 pmPHL-LJU
24h 18m2 stops
SWISS Logo
6:30 am - 9:21 pmLJU-PHL
20h 51m2 stops
$652SWISS
Find Deal
Mon, Oct 27 - Sun, Nov 9

KLM flights from Philadelphia to Slovenia

Our best KLM deals on Philadelphia to Slovenia flight tickets
KLM
Oct 22
PHL1:42 pmPhiladelphia
15h 53m
2 stops
LJU11:35 amLjubljana Joze Pucnik
Oct 31
LJU12:25 pmLjubljana Joze Pucnik
15h 40m
2 stops
PHL11:05 pmPhiladelphia
$672
Find similar
KLM
Sep 22
PHL1:35 pmPhiladelphia
16h 30m
2 stops
LJU12:05 pmLjubljana Joze Pucnik
Oct 15
LJU12:35 pmLjubljana Joze Pucnik
34h 00m
2 stops
PHL4:35 pmPhiladelphia
$877
Find similar

Lufthansa flights from Philadelphia to Slovenia

Our best Lufthansa deals on Philadelphia to Slovenia flight tickets
Lufthansa
Oct 27
PHL4:35 pmPhiladelphia
15h 05m
2 stops
LJU12:40 pmLjubljana Joze Pucnik
Nov 4
LJU6:35 amLjubljana Joze Pucnik
15h 30m
1 stop
PHL4:05 pmPhiladelphia
$563
Find similar
Lufthansa
Oct 29
PHL4:35 pmPhiladelphia
21h 55m
2 stops
LJU7:30 pmLjubljana Joze Pucnik
Nov 6
LJU10:30 amLjubljana Joze Pucnik
11h 35m
1 stop
PHL4:05 pmPhiladelphia
$592
Find similar
Lufthansa
Oct 28
PHL6:40 pmPhiladelphia
10h 15m
1 stop
LJU9:55 amLjubljana Joze Pucnik
Nov 4
LJU6:35 amLjubljana Joze Pucnik
15h 30m
1 stop
PHL4:05 pmPhiladelphia
$594
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 September 11, 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

Mon 10/27

4:35 pm-12:40 pm

2 stops15h 05m

Ljubljana Joze Pucnik

Tue 11/4

6:35 am-4:05 pm

1 stop15h 30m

$563

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 10/29

4:35 pm-7:30 pm

2 stops21h 55m

Ljubljana Joze Pucnik

Thu 11/6

10:30 am-4:05 pm

1 stop11h 35m

$592

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 10/28

6:40 pm-9:55 am

1 stop10h 15m

Ljubljana Joze Pucnik

Tue 11/4

6:35 am-4:05 pm

1 stop15h 30m

$594

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 10/27

5:07 pm-10:25 pm

2 stops24h 18m

Ljubljana Joze Pucnik

Thu 11/6

6:30 am-9:21 pm

2 stops20h 51m

$602

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 10/28

1:42 pm-11:40 am

2 stops16h 58m

Ljubljana Joze Pucnik

Fri 11/7

12:25 pm-12:52 am

2 stops18h 27m

$606

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sun 10/26

12:16 pm-11:40 am

2 stops18h 24m

Ljubljana Joze Pucnik

Fri 11/7

12:25 pm-11:05 pm

2 stops16h 40m

$607

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 10/28

6:00 am-11:40 am

2 stops24h 40m

Ljubljana Joze Pucnik

Tue 11/4

12:50 pm-12:52 am

2 stops42h 02m

$608

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 10/27

4:35 pm-12:40 pm

2 stops15h 05m

Ljubljana Joze Pucnik

Mon 11/3

3:10 pm-9:21 pm

2 stops36h 11m

$616

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Wed 10/29

12:40 pm-1:35 pm

2 stops19h 55m

Ljubljana Joze Pucnik

Thu 11/6

6:35 am-4:05 pm

1 stop15h 30m

$624

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 10/27

5:07 pm-10:25 pm

2 stops24h 18m

Ljubljana Joze Pucnik

Sun 11/9

6:30 am-9:21 pm

2 stops20h 51m

$652

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 13% 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
7,409 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.

An easier way to manage your Slovenia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 10/11
Sat 10/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Slovenia

Popular cities in Slovenia

Popular flights according to clicks in the last 7 days on momondo
Flights to Ljubljanafrom $432
Flights to Portorož
Flights to Mariborfrom $3,530