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$539+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BEG
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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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 septiembre 17, 2025.

Round-trip from

$539
(KAYAK)

Popular in

December

Cheapest in

April

Average price

$790
From Philadelphia to Serbia
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($72 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 septiembre 17, 2025.

This KAYAK deal was found by Cheapflights users on 9/16. 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.
lun. 11/1012:40 pmPHL - BEG
2 stops24h 30mSWISS
lun. 11/172:35 pmBEG - PHL
2 stops36h 46mSWISS
Deal found 9/16$539
This Air Canada deal was found by Cheapflights users on 9/16. 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.
dom. 11/93:30 pmPHL - BEG
2 stops15h 15mAir Canada
lun. 11/171:30 pmBEG - PHL
2 stops39h 26mAir Canada
Deal found 9/16$543
This Air Canada deal was found by Cheapflights users on 9/16. 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.
mar. 11/113:30 pmPHL - BEG
2 stops15h 35mAir Canada
lun. 11/171:30 pmBEG - PHL
2 stops39h 26mAir Canada
Deal found 9/16$546
This United Airlines deal was found by Cheapflights users on 9/16. 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.
mar. 11/113:30 pmPHL - BEG
2 stops15h 35mUnited Airlines
lun. 11/171:50 pmBEG - PHL
1 stop32h 15mUnited Airlines
Deal found 9/16$552
This Air Canada deal was found by Cheapflights users on 9/16. 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.
sáb. 11/84:35 pmPHL - BEG
2 stops38h 15mAir Canada
lun. 11/171:30 pmBEG - PHL
2 stops56h 21mAir Canada
Deal found 9/16$553
This United Airlines deal was found by Cheapflights users on 9/16. 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.
lun. 11/106:00 amPHL - BEG
2 stops24h 50mUnited Airlines
lun. 11/171:50 pmBEG - PHL
1 stop32h 15mUnited Airlines
Deal found 9/16$557
This United Airlines deal was found by Cheapflights users on 9/16. 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.
sáb. 11/84:35 pmPHL - BEG
2 stops38h 15mUnited Airlines
lun. 11/171:50 pmBEG - PHL
1 stop32h 15mUnited Airlines
Deal found 9/16$559
This Air Canada deal was found by Cheapflights users on 9/16. 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.
dom. 11/93:30 pmPHL - BEG
2 stops15h 15mAir Canada
dom. 11/161:30 pmBEG - PHL
2 stops31h 17mAir Canada
Deal found 9/16$577
This Air Canada deal was found by Cheapflights users on 9/16. 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.
vie. 11/73:30 pmPHL - BEG
2 stops15h 25mAir Canada
jue. 11/136:50 amBEG - PHL
2 stops37h 57mAir Canada
Deal found 9/16$579
This Air Canada deal was found by Cheapflights users on 9/16. 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.
vie. 11/73:30 pmPHL - BEG
2 stops15h 25mAir Canada
mié. 11/121:30 pmBEG - PHL
2 stops31h 17mAir Canada
Deal found 9/16$580
This United Airlines deal was found by Cheapflights users on 9/16. 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.
vie. 11/73:30 pmPHL - BEG
2 stops15h 25mUnited Airlines
mar. 11/116:10 amBEG - PHL
1 stop15h 55mUnited Airlines
Deal found 9/16$583
This Air Canada deal was found by Cheapflights users on 9/16. 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.
sáb. 11/84:35 pmPHL - BEG
2 stops38h 15mAir Canada
dom. 11/161:30 pmBEG - PHL
2 stops31h 17mAir Canada
Deal found 9/16$586

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 septiembre 17, 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

dom. 11/9

3:30 pm-12:45 pm

2 stops15h 15m

Belgrade Nikola Tesla

lun. 11/17

1:30 pm-10:56 pm

2 stops39h 26m

$543

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

mié. 11/12

3:30 pm-12:50 pm

2 stops15h 20m

Belgrade Nikola Tesla

lun. 11/17

1:50 pm-4:05 pm

1 stop32h 15m

$552

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

dom. 11/9

3:30 pm-12:50 pm

2 stops15h 20m

Belgrade Nikola Tesla

lun. 11/17

1:50 pm-4:05 pm

1 stop32h 15m

$552

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

mar. 11/11

5:40 pm-1:05 pm

1 stop13h 25m

Belgrade Nikola Tesla

lun. 11/17

1:50 pm-4:05 pm

1 stop32h 15m

$552

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

lun. 11/10

6:00 am-12:50 pm

2 stops24h 50m

Belgrade Nikola Tesla

lun. 11/17

1:50 pm-4:05 pm

1 stop32h 15m

$557

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

sáb. 11/8

4:35 pm-12:50 pm

2 stops38h 15m

Belgrade Nikola Tesla

lun. 11/17

1:50 pm-4:05 pm

1 stop32h 15m

$559

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

dom. 11/9

3:30 pm-12:45 pm

2 stops15h 15m

Belgrade Nikola Tesla

sáb. 11/15

11:10 am-10:56 pm

2 stops41h 46m

$583

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

vie. 11/7

3:30 pm-12:55 pm

2 stops15h 25m

Belgrade Nikola Tesla

vie. 11/14

6:15 am-2:47 pm

2 stops14h 32m

$583

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

vie. 11/7

3:30 pm-12:55 pm

2 stops15h 25m

Belgrade Nikola Tesla

jue. 11/13

6:25 am-4:05 pm

1 stop15h 40m

$583

PhiladelphiaBelgrade

PHL - BEG

PHLBEG

Philadelphia

vie. 11/7

3:30 pm-12:55 pm

2 stops15h 25m

Belgrade Nikola Tesla

mar. 11/11

6:10 am-2:47 pm

2 stops14h 37m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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 $1,173). 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 septiembre 17, 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 septiembre 17, 2025.
See what other customers who have flown with 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.
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as 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.

  • How long is the flight from Philadelphia to Serbia?

    There are many flights that can get you from Philadelphia to Serbia in 15h 15m. Fly via Air Canada or United Airlines to get the fastest option. Philadelphia and Serbia are separated by a distance of 4589 mi. This flight may include one or multiple stops.

  • 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 $1,173). 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 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 septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$700Average$851FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$711Average$1,117FlexibilityNo cancel feeOn-time69%

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