Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Philadelphia to Slovenia from $435

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 8/15. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:25 pm - 12:35 pm
PHL
-
LJU
15h 10m
2 stops
Multiple Airlines Logo
6:55 am - 4:05 pm
LJU
-
PHL
15h 10m
1 stop
$943Multiple Airlines
Tue, Jul 28 - Tue, Aug 11
Lufthansa Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
Lufthansa Logo
6:55 am - 4:05 pm
LJU
-
PHL
15h 10m
1 stop
$945Lufthansa
Tue, Jul 28 - Tue, Aug 11
Multiple Airlines Logo
12:36 pm - 11:20 am
PHL
-
LJU
16h 44m
2 stops
Multiple Airlines Logo
6:00 am - 4:49 pm
LJU
-
PHL
16h 49m
2 stops
$950Multiple Airlines
Tue, Jul 28 - Tue, Aug 11
Delta Logo
5:15 am - 11:20 am
PHL
-
LJU
24h 05m
2 stops
Delta Logo
6:00 am - 4:53 pm
LJU
-
PHL
16h 53m
2 stops
$995Delta
Mon, Jul 6 - Tue, Jul 21
United Airlines Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
United Airlines Logo
6:55 am - 2:49 pm
LJU
-
PHL
13h 54m
2 stops
$1,001United Airlines
Mon, Jul 6 - Tue, Jul 21
Lufthansa Logo
5:40 pm - 1:15 pm
PHL
-
LJU
13h 35m
1 stop
Lufthansa Logo
2:25 pm - 4:05 pm
LJU
-
PHL
31h 40m
1 stop
$1,011Lufthansa
Mon, Jul 6 - Tue, Jul 21
Lufthansa Logo
4:20 pm - 12:35 pm
PHL
-
LJU
38h 15m
2 stops
Lufthansa Logo
6:05 am - 4:05 pm
LJU
-
PHL
16h 00m
1 stop
$1,045Lufthansa
Sat, Oct 3 - Sun, Oct 11
United Airlines Logo
4:20 pm - 12:35 pm
PHL
-
LJU
38h 15m
2 stops
United Airlines Logo
6:05 am - 4:05 pm
LJU
-
PHL
16h 00m
1 stop
$1,052United Airlines
Sat, Oct 3 - Sun, Oct 11
United Airlines Logo
3:05 pm - 12:35 pm
PHL
-
LJU
15h 30m
2 stops
United Airlines Logo
5:50 am - 2:47 pm
LJU
-
PHL
14h 57m
2 stops
$1,056United Airlines
Fri, Oct 9 - Sat, Oct 17
Lufthansa Logo
5:40 pm - 1:05 pm
PHL
-
LJU
13h 25m
1 stop
Lufthansa Logo
5:50 am - 9:32 pm
LJU
-
PHL
21h 42m
2 stops
$1,057Lufthansa
Fri, Oct 9 - Sat, Oct 17

Lufthansa flights from Philadelphia to Slovenia

Our best Lufthansa deals on Philadelphia to Slovenia flight tickets
Lufthansa
Jul 28
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Aug 11
LJU6:55 amLjubljana Joze Pucnik
15h 10m
1 stop
PHL4:05 pmPhiladelphia
$945
Lufthansa
Jul 6
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Jul 21
LJU2:25 pmLjubljana Joze Pucnik
31h 40m
1 stop
PHL4:05 pmPhiladelphia
$1,011
Lufthansa
Oct 3
PHL4:20 pmPhiladelphia
38h 15m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 11
LJU6:05 amLjubljana Joze Pucnik
16h 00m
1 stop
PHL4:05 pmPhiladelphia
$1,045

United Airlines flights from Philadelphia to Slovenia

Our best United Airlines deals on Philadelphia to Slovenia flight tickets
United Airlines
Jul 6
PHL5:40 pmPhiladelphia
13h 35m
1 stop
LJU1:15 pmLjubljana Joze Pucnik
Jul 21
LJU6:55 amLjubljana Joze Pucnik
13h 54m
2 stops
PHL2:49 pmPhiladelphia
$1,001
United Airlines
Oct 3
PHL4:20 pmPhiladelphia
38h 15m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 11
LJU6:05 amLjubljana Joze Pucnik
16h 00m
1 stop
PHL4:05 pmPhiladelphia
$1,052
United Airlines
Oct 9
PHL3:05 pmPhiladelphia
15h 30m
2 stops
LJU12:35 pmLjubljana Joze Pucnik
Oct 17
LJU5:50 amLjubljana Joze Pucnik
14h 57m
2 stops
PHL2:47 pmPhiladelphia
$1,056

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 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 - LJU

PHLLJU

Philadelphia

Tue 7/28

3:25 pm-12:35 pm

2 stops15h 10m

Ljubljana Joze Pucnik

Tue 8/11

6:55 am-4:05 pm

1 stop15h 10m

$943

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 7/28

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Tue 8/11

6:55 am-4:05 pm

1 stop15h 10m

$945

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Tue 7/28

12:36 pm-11:20 am

2 stops16h 44m

Ljubljana Joze Pucnik

Tue 8/11

6:00 am-4:49 pm

2 stops16h 49m

$950

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 7/6

5:15 am-11:20 am

2 stops24h 05m

Ljubljana Joze Pucnik

Tue 7/21

6:00 am-4:53 pm

2 stops16h 53m

$995
Quickest round-trip

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 7/6

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Tue 7/21

6:55 am-2:49 pm

2 stops13h 54m

$1,001

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Mon 7/6

5:40 pm-1:15 pm

1 stop13h 35m

Ljubljana Joze Pucnik

Tue 7/21

2:25 pm-4:05 pm

1 stop31h 40m

$1,011

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sat 10/3

4:20 pm-12:35 pm

2 stops38h 15m

Ljubljana Joze Pucnik

Sun 10/11

6:05 am-4:05 pm

1 stop16h 00m

$1,045

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Sat 10/3

4:20 pm-12:35 pm

2 stops38h 15m

Ljubljana Joze Pucnik

Sun 10/11

6:05 am-4:05 pm

1 stop16h 00m

$1,052

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 10/9

3:05 pm-12:35 pm

2 stops15h 30m

Ljubljana Joze Pucnik

Sat 10/17

5:50 am-2:47 pm

2 stops14h 57m

$1,056

PhiladelphiaLjubljana

PHL - LJU

PHLLJU

Philadelphia

Fri 10/9

5:40 pm-1:05 pm

1 stop13h 25m

Ljubljana Joze Pucnik

Sat 10/17

5:50 am-9:32 pm

2 stops21h 42m

$1,057

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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

18h 05m

Direct flights

None
The fastest flight from Philadelphia to Slovenia takes 18h 05m
There are no direct flights from Philadelphia to Slovenia. There are no popular flight routes from Philadelphia to Slovenia.
Search flight deals

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
8,004 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
Tue 6/16
Tue 6/23
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 $679
Flights to Mariborfrom $3,530
Flights to Portorož