HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Serbia

$249+ Cheap flights from Philadelphia (PHL) to Serbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BEG
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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

Keep the following information in mind while searching for Philadelphia to Serbia flight deals. Data was last updated July 3, 2025.

Round-trip from

$740
(SWISS)

One-way from

$249
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,224
From Philadelphia to Serbia
Search Deals
One-way flight from Philadelphia to Serbia
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find 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 July 3, 2025.

This SWISS deal was found by Cheapflights users on 7/3. 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 8/177:56 amPHL - BEG
2 stops24h 04mSWISS
Sun 8/247:55 pmBEG - PHL
2 stops51h 26mSWISS
Deal found 7/3$740
This Air Canada deal was found by Cheapflights users on 7/1. 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 11/143:30 pmPHL - BEG
2 stops35h 20mMultiple Airlines
Fri 11/289:40 amBEG - PHL
2 stops35h 07mMultiple Airlines
Deal found 7/1$748
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/153:20 pmPHL - BEG
2 stops15h 35mAir Canada
Fri 8/226:05 amBEG - PHL
2 stops46h 02mAir Canada
Deal found 7/1$789
This Ovago deal was found by Cheapflights users on 7/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/175:35 pmPHL - BEG
1 stop16h 10mLufthansa
Sun 8/241:40 pmBEG - PHL
1 stop32h 20mLufthansa
Deal found 7/3$955
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Fri 8/155:35 pmPHL - BEG
1 stop13h 20mUnited Airlines
Fri 8/221:40 pmBEG - PHL
2 stops25h 53mUnited Airlines
Deal found 7/1$1,111
This Justfly.com deal was found by Cheapflights users on 7/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:10 pmPHL - BEG
2 stops34h 20mAustrian Airlines
Sun 1/46:10 pmBEG - PHL
2 stops51h 55mAustrian Airlines
Deal found 7/3$3,764

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 July 3, 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 8/17

7:56 am-2:00 pm

2 stops24h 04m

Belgrade Nikola Tesla

Sun 8/24

7:55 pm-5:21 pm

2 stops51h 26m

$740

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 11/14

3:30 pm-8:50 am

2 stops35h 20m

Belgrade Nikola Tesla

Fri 11/28

9:40 am-2:47 pm

2 stops35h 07m

$748

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 8/15

3:20 pm-12:55 pm

2 stops15h 35m

Belgrade Nikola Tesla

Fri 8/22

6:05 am-10:07 pm

2 stops46h 02m

$789

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Sun 8/17

5:35 pm-3:45 pm

1 stop16h 10m

Belgrade Nikola Tesla

Sun 8/24

1:40 pm-4:00 pm

1 stop32h 20m

$955

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Fri 8/15

5:35 pm-12:55 pm

1 stop13h 20m

Belgrade Nikola Tesla

Fri 8/22

1:40 pm-9:33 am

2 stops25h 53m

$1,111

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Sat 12/20

6:10 pm-10:30 am

2 stops34h 20m

Belgrade Nikola Tesla

Sun 1/4

6:10 pm-4:05 pm

2 stops51h 55m

$3,764

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Mon 9/29

5:10 pm-10:25 am

2 stops59h 15m

$249

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Tue 9/2

1:03 pm-2:00 pm

2 stops18h 57m

$459

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Mon 9/1

3:20 pm-4:30 pm

2 stops19h 10m

$463

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

Mon 9/1

5:35 pm-3:45 pm

1 stop16h 10m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 11 results
1
2

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, January is the cheapest month in which you can book a flight from Philadelphia to Serbia (average of $688). Flying from Philadelphia to Serbia in June is currently the most expensive (average of $1,175). 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.

What is the cheapest time of day to fly from PHL to RS?

Find hourly flight availability from Philadelphia to Serbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Philadelphia to Serbia as you normally would.

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 July 3, 2025.
See what other customers who have flown with Austrian Airlines, SWISS, and United Airlines 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.
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Austrian Airlines
7.6
Good
809 reviews
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
SWISS
7.5
Good
1,654 reviews
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
United Airlines
7.4
Good
8,861 reviews
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Air Canada
7.1
Good
9,681 reviews
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well
Lufthansa
6.8
Okay
7,207 reviews
Austrian Airlines
7.6
Good
809 reviews

Comfort

7.3

Crew

8.1

Boarding

7.6

Overall

7.6

Entertainment

6.8

Food

6.8

Reviews

1 / 20
8.0
Excellent

Grant,Jun 2025

VIE - FRA

A delay was caused by computer malfunctions after we left the gate. It was handled well

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.

  • What are the cheapest airlines to fly from Philadelphia to Serbia one-way?

    $459 is the cheapest one-way deal found within the past few days, from SWISS. You may also be able to find cheap deals on Air Canada and Lufthansa, with prices starting from $463 and $466, respectively.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Serbia (average of $688). Flying from Philadelphia to Serbia in June is currently the most expensive (average of $1,175). 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 Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Charles de Gaulle flights
John F Kennedy Intl to Istanbul flights
Newark to Charles de Gaulle flights
Newark to Leonardo da Vinci/Fiumicino flights
Newark to Orly flights
John F Kennedy Intl to Gatwick flights
Newark to Athens flights
John F Kennedy Intl to Lisbon flights
John F Kennedy Intl to Athens flights
Dulles Intl to Heathrow flights
John F Kennedy Intl to London City flights
LaGuardia to Heathrow flights
Newark to Gatwick flights
John F Kennedy Intl to Barcelona-El Prat flights
John F Kennedy Intl to Orly flights
Newark to Lisbon flights
John F Kennedy Intl to Madrid flights
Newark to Barcelona-El Prat flights
LaGuardia to Charles de Gaulle flights
Dulles Intl to Charles de Gaulle flights
Newark to Madrid flights
Newark to Dublin flights
John F Kennedy Intl to Malpensa flights
LaGuardia to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Frederic Chopin flights
Newark to Malpensa flights
LaGuardia to Gatwick flights
John F Kennedy Intl to Dublin flights
John F Kennedy Intl to Stansted flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
John F Kennedy Intl to Amsterdam flights
Newark to Frankfurt flights
LaGuardia to Istanbul flights
Newark to London City flights
LaGuardia to Athens flights
Newark to Amsterdam flights
Newark to Istanbul flights
John F Kennedy Intl to Zurich flights
John F Kennedy Intl to Luton flights
Dulles Intl to Madrid flights
Dulles Intl to Dublin flights
John F Kennedy Intl to Frankfurt flights
LaGuardia to Lisbon flights
John F Kennedy Intl to Vicenza flights
Newark to Keflavik Intl flights
Newark to Frederic Chopin flights
Dulles Intl to Gatwick flights

Top 2 airlines flying from Philadelphia to Serbia

Discover the top 2 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$703Average$874FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$711Average$1,117FlexibilityNo cancel feeOn-time69%

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.