HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Serbia

$505+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BEG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Philadelphia to Serbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Philadelphia to Serbia

Best flights from Philadelphia to Serbia
Discover carefully curated flight deals from Philadelphia to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Mytrip deal was found by Cheapflights users on 12/11. 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.
Sun 3/15:40 pmPHL - BEG
1 stop13h 10mMultiple Airlines
Tue 3/316:15 amBEG - PHL
2 stops38h 31mMultiple Airlines
Deal found 12/11$505
This SWISS deal was found by Cheapflights users on 12/11. 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.
Thu 1/81:10 pmPHL - BEG
2 stops24h 00mSWISS
Mon 1/199:40 amBEG - PHL
2 stops41h 56mSWISS
Deal found 12/11$562
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/85:40 pmPHL - BEG
1 stop13h 10mMultiple Airlines
Mon 1/1911:10 amBEG - PHL
2 stops41h 36mMultiple Airlines
Deal found 12/11$520
This SWISS deal was found by Cheapflights users on 12/11. 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.
Sun 3/15:40 pmPHL - BEG
2 stops43h 30mSWISS
Tue 3/318:00 pmBEG - PHL
3 stops31h 23mSWISS
Deal found 12/11$568
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/91:10 pmPHL - BEG
2 stops18h 35mMultiple Airlines
Tue 1/206:50 amBEG - PHL
2 stops37h 57mMultiple Airlines
Deal found 12/11$546
This SWISS deal was found by Cheapflights users on 12/11. 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.
Fri 1/91:10 pmPHL - BEG
3 stops37h 40mSWISS
Tue 1/208:05 pmBEG - PHL
2 stops31h 31mSWISS
Deal found 12/11$569
This Gotogate deal was found by Cheapflights users on 12/11. 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.
Tue 3/34:35 pmPHL - BEG
2 stops18h 30mMultiple Airlines
Sat 3/218:00 pmBEG - PHL
2 stops26h 05mMultiple Airlines
Deal found 12/11$557
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/15:40 pmPHL - BEG
1 stop13h 10mMultiple Airlines
Sat 3/218:00 pmBEG - PHL
2 stops26h 05mMultiple Airlines
Deal found 12/11$567
This Gotogate deal was found by Cheapflights users on 12/11. 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.
Thu 4/165:35 pmPHL - BEG
1 stop16h 30mMultiple Airlines
Tue 9/291:05 pmBEG - PHL
2 stops14h 32mMultiple Airlines
Deal found 12/11$585

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$520
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$847
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. 9% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
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

Sun 3/1

5:40 pm-12:50 pm

1 stop13h 10m

Belgrade Nikola Tesla

Tue 3/31

6:15 am-2:46 pm

2 stops38h 31m

$505

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Thu 1/8

5:40 pm-12:50 pm

1 stop13h 10m

Belgrade Nikola Tesla

Mon 1/19

11:10 am-10:46 pm

2 stops41h 36m

$520

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 1/9

1:10 pm-1:45 pm

2 stops18h 35m

Belgrade Nikola Tesla

Tue 1/20

6:50 am-2:47 pm

2 stops37h 57m

$546

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Tue 3/3

4:35 pm-5:05 pm

2 stops18h 30m

Belgrade Nikola Tesla

Sat 3/21

8:00 pm-5:05 pm

2 stops26h 05m

$557

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Thu 1/8

1:10 pm-7:10 pm

2 stops24h 00m

Belgrade Nikola Tesla

Mon 1/19

9:40 am-9:36 pm

2 stops41h 56m

$562

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Sun 3/1

5:40 pm-12:50 pm

1 stop13h 10m

Belgrade Nikola Tesla

Sat 3/21

8:00 pm-5:05 pm

2 stops26h 05m

$567

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Sun 3/1

5:40 pm-7:10 pm

2 stops43h 30m

Belgrade Nikola Tesla

Tue 3/31

8:00 pm-9:23 pm

3 stops31h 23m

$568

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 1/9

1:10 pm-8:50 am

3 stops37h 40m

Belgrade Nikola Tesla

Tue 1/20

8:05 pm-9:36 pm

2 stops31h 31m

$569

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Thu 4/16

5:35 pm-4:05 pm

1 stop16h 30m

Belgrade Nikola Tesla

Tue 9/29

1:05 pm-9:37 pm

2 stops14h 32m

$585

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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 $673). 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 December 12, 2025.
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
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

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
7,626 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.1

Overall

7.9

Food

7.3

Comfort

7.9

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.

  • 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 $673). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Philadelphia to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
John F Kennedy Intl to Charles de Gaulle flights
Newark to Charles de Gaulle flights
John F Kennedy Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Gatwick flights
Newark to Leonardo da Vinci/Fiumicino flights
LaGuardia to Heathrow flights
Newark to Orly flights
John F Kennedy Intl to London City flights
John F Kennedy Intl to Orly flights
John F Kennedy Intl to Istanbul flights
Newark to Gatwick flights
John F Kennedy Intl to Madrid flights
LaGuardia to Gatwick flights
Dulles Intl to Heathrow flights
LaGuardia to Charles de Gaulle flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Stansted flights
Newark to Madrid flights
Newark to Lisbon flights
John F Kennedy Intl to Malpensa flights
Newark to Malpensa flights
Newark to Athens flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Barcelona-El Prat flights
Dulles Intl to Charles de Gaulle flights
Newark to Dublin flights
Newark to Barcelona-El Prat flights
John F Kennedy Intl to Luton flights
Newark to Frankfurt flights
Dulles Intl to Istanbul flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Athens flights
John F Kennedy Intl to Frankfurt flights
John F Kennedy Intl to Amsterdam flights
John F Kennedy Intl to Zurich flights
Newark to London City flights
John F Kennedy Intl to Geneva flights
Newark to Amsterdam flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Stansted flights
Newark to Luton flights
John F Kennedy Intl to Linate flights
Dulles Intl to Lisbon flights
Newark to Zurich flights
LaGuardia to Madrid flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$1,117FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$583Average$815FlexibilityNo cancel feeOn-time76%
DeltaCheapest$847Average$897FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.