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$559+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BEG
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This United Airlines deal was found by Cheapflights users on 2/1. 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.
Mon 2/97:45 pm
PHL
-
BEG
2 stops35h 20m
United Airlines
Mon 2/161:50 pm
BEG
-
PHL
2 stops54h 20m
United Airlines
Deal found 2/1$559
This United Airlines deal was found by Cheapflights users on 2/2. 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 3/410:35 am
PHL
-
BEG
2 stops31h 15m
United Airlines
Sun 3/86:15 am
BEG
-
PHL
1 stop15h 50m
United Airlines
Deal found 2/2$578
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Fri 8/73:25 pm
PHL
-
BEG
2 stops42h 20m
United Airlines
Sat 8/156:10 am
BEG
-
PHL
2 stops24h 22m
United Airlines
Deal found 2/2$677
This Gotogate deal was found by Cheapflights users on 1/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:30 pm
PHL
-
BEG
2 stops18h 55m
Multiple Airlines
Sun 4/195:50 am
BEG
-
PHL
2 stops14h 56m
Multiple Airlines
Deal found 1/31$717
This SWISS deal was found by Cheapflights users on 2/1. 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.
Mon 2/91:10 pm
PHL
-
BEG
3 stops24h 00m
SWISS
Mon 2/162:35 pm
BEG
-
PHL
2 stops36h 34m
SWISS
Deal found 2/1$726
This Air Canada deal was found by Cheapflights users on 2/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/103:30 pm
PHL
-
BEG
2 stops14h 50m
Air Canada
Sun 4/196:15 am
BEG
-
PHL
2 stops38h 31m
Air Canada
Deal found 2/1$738
This KAYAK deal was found by Cheapflights users on 2/1. 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.
Mon 2/96:40 pm
PHL
-
BEG
1 stop21h 45m
Multiple Airlines
Mon 2/165:50 pm
BEG
-
PHL
1 stop27h 30m
Multiple Airlines
Deal found 2/1$748

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$578
(United Airlines)

Popular in

June

Cheapest in

October
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. 15% potential increase in price ($138 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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 February 3, 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 3/4

12:55 pm-11:50 pm

2 stops28h 55m

Belgrade Nikola Tesla

Sun 3/8

6:15 am-4:05 pm

1 stop15h 50m

$578

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 4/10

3:30 pm-4:25 pm

2 stops18h 55m

Belgrade Nikola Tesla

Sun 4/19

5:50 am-2:46 pm

2 stops14h 56m

$717

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Mon 6/8

10:10 pm-5:15 pm

1 stop13h 05m

Belgrade Nikola Tesla

Thu 7/9

6:45 am-5:30 pm

1 stop16h 45m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/31

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 May is currently the most expensive (average of $659). 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 February 3, 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
8,138 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
8,138 reviews
Delta
7.9
Good
8,138 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
9,236 reviews
Delta
7.9
Good
8,138 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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
7,759 reviews
Delta
7.9
Good
8,138 reviews

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.2

Entertainment

7.8

Boarding

8.1

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 28h 55m. 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 May is currently the most expensive (average of $659). 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$832FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$551Average$790FlexibilityNo cancel feeOn-time76%
DeltaCheapest$847Average$897FlexibilityNo cancel feeOn-timeN/A

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