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$556+ Cheap flights from Philadelphia (PHL) to Serbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BEG
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Philadelphia to Serbia

Cheapest flights from Philadelphia to Serbia
Explore the most affordable flight options available from Philadelphia to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/113:30 pm
PHL
-
BEG
2 stops15h 20m
United Airlines
Mon 2/161:50 pm
BEG
-
PHL
2 stops57h 24m
United Airlines
Deal found 1/27$556
This United Airlines deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/410:06 am
PHL
-
BEG
2 stops31h 44m
United Airlines
Sun 3/86:15 am
BEG
-
PHL
1 stop15h 50m
United Airlines
Deal found 1/25$576
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:45 pm
PHL
-
BEG
1 stop22h 55m
Multiple Airlines
Mon 6/11:10 pm
BEG
-
PHL
1 stop33h 55m
Multiple Airlines
Deal found 1/26$958
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1112:40 pm
PHL
-
BEG
3 stops24h 45m
Multiple Airlines
Mon 2/169:00 am
BEG
-
PHL
3 stops29h 44m
Multiple Airlines
Deal found 1/27$994
This SWISS deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/111:10 pm
PHL
-
BEG
3 stops24h 00m
SWISS
Mon 2/162:35 pm
BEG
-
PHL
2 stops36h 34m
SWISS
Deal found 1/27$1,003
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:45 pm
PHL
-
BEG
1 stop22h 55m
Multiple Airlines
Sat 6/612:45 am
BEG
-
PHL
1 stop22h 20m
Multiple Airlines
Deal found 1/26$1,021
This KAYAK deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:40 pm
PHL
-
BEG
1 stop12h 45m
Lufthansa
Mon 6/11:05 pm
BEG
-
PHL
2 stops32h 55m
Lufthansa
Deal found 1/26$1,136

Find flight deals from Philadelphia to Serbia

Keep the following information in mind while searching for Philadelphia to Serbia flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$556
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$616
Provider with most accurate pricing for Philadelphia-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Belgrade Nikola Tesla flights.
Search Deals
From Philadelphia to Serbia
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($128 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia to Serbia 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Philadelphia to Serbia that are best for you.

Fly from

Philadelphia

Fly to

Serbia

Route

Depart

Return

Price

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Wed 2/11

3:30 pm-12:50 pm

2 stops15h 20m

Belgrade Nikola Tesla

Mon 2/16

1:50 pm-5:14 pm

2 stops57h 24m

$556

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Wed 3/4

5:00 pm-11:50 pm

2 stops24h 50m

Belgrade Nikola Tesla

Sun 3/8

6:15 am-4:05 pm

1 stop15h 50m

$576

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 5/22

6:45 pm-11:40 pm

1 stop22h 55m

Belgrade Nikola Tesla

Mon 6/1

1:10 pm-5:05 pm

1 stop33h 55m

$958

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Wed 2/11

12:40 pm-7:25 pm

3 stops24h 45m

Belgrade Nikola Tesla

Mon 2/16

9:00 am-8:44 am

3 stops29h 44m

$994

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Wed 2/11

1:10 pm-7:10 pm

3 stops24h 00m

Belgrade Nikola Tesla

Mon 2/16

2:35 pm-9:09 pm

2 stops36h 34m

$1,003

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 5/22

6:45 pm-11:40 pm

1 stop22h 55m

Belgrade Nikola Tesla

Sat 6/6

12:45 am-5:05 pm

1 stop22h 20m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Philadelphia to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from Philadelphia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Philadelphia to Serbia

What is the cheapest month to book a flight from Philadelphia to Serbia?

Currently, August is the cheapest month in which you can book a flight from Philadelphia to Serbia (average of $367). Flying from Philadelphia to Serbia in April is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Serbia. Reviews last updated January 27, 2026.
See what other customers who have flown with Delta, United Airlines, and Lufthansa from Philadelphia to Serbia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,205 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,749 reviews
Delta
7.9
Good
8,119 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Philadelphia to Serbia?

    For a flight from Philadelphia to Serbia, you will be flying from Philadelphia. Philadelphia (PHL) is just 7.0 mi from the center of the city.

  • How long is the flight from Philadelphia to Serbia?

    There are many flights that can get you from Philadelphia to Serbia in 15h 20m. Fly via United Airlines to get the fastest option. Philadelphia and Serbia are separated by a distance of 4589 mi.

  • Can I find deals for flights from Philadelphia to Serbia that include hotel bookings?

    Yes. In addition to deals on Philadelphia to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Philadelphia to Serbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Serbia.

  • Can I find deals for business class flights from Philadelphia to Serbia?

    Yes. Cheapflights offers flight deals from Philadelphia to Serbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Philadelphia to Serbia?

    Currently, August is the cheapest month in which you can book a flight from Philadelphia to Serbia (average of $367). Flying from Philadelphia to Serbia in April is currently the most expensive (average of $667). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Philadelphia to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Philadelphia to Serbia

Discover the top 3 airlines that operate flights from Philadelphia to Serbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$1,117FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$551Average$790FlexibilityNo cancel feeOn-time76%
DeltaCheapest$847Average$897FlexibilityNo cancel feeOn-timeN/A

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