$503+ Cheap flights from St. Louis (STL) 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Jul 21 — Jul 281
Round-trip
1 adult, Economy
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Best
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Cheapest flights from St. Louis to SerbiaExplore the most affordable flight options available from St. Louis to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
Explore the most affordable flight options available from St. Louis to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:40 pm
STL
- BEG
1 stop14h 10m
Lufthansa
Wed 11/116:15 am
BEG
- STL
1 stop14h 30m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$727
This Gotogate deal was found by Cheapflights users on 6/19. 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.
Wed 10/284:15 pm
STL
- BEG
2 stops14h 30m
Multiple Airlines
Wed 11/116:15 am
BEG
- STL
1 stop14h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$730
This Justfly.com deal was found by Cheapflights users on 6/19. 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.
Tue 12/291:08 pm
STL
- BEG
2 stops21h 02m
Multiple Airlines
Tue 1/56:20 pm
BEG
- STL
2 stops30h 46m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$801
This Justfly.com deal was found by Cheapflights users on 6/19. 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.
Tue 12/291:08 pm
STL
- BEG
2 stops21h 02m
Lufthansa
Tue 1/51:40 pm
BEG
- STL
1 stop31h 05m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$817
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Wed 9/912:28 pm
STL
- BEG
2 stops21h 02m
Lufthansa
Wed 9/301:05 pm
BEG
- STL
2 stops15h 16m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$840
This oojo deal was found by Cheapflights users on 6/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:30 pm
STL
- BEG
1 stop14h 15m
Lufthansa
Wed 9/166:10 am
BEG
- STL
1 stop14h 15m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$842
This Air Canada deal was found by Cheapflights users on 6/19. 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.
Sun 8/2312:10 pm
STL
- BEG
2 stops21h 20m
Air Canada
Fri 9/181:05 pm
BEG
- STL
2 stops36h 36m
Air Canada
Deal found 6/19![Air Canada logo]()
$845
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:13 am
STL
- BEG
2 stops17h 42m
Delta
Tue 9/156:15 am
BEG
- STL
2 stops24h 05m
Delta
Deal found 6/19![Delta logo]()
$852
This FlightHub deal was found by Cheapflights users on 6/19. 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.
Tue 8/2512:10 pm
STL
- BEG
2 stops21h 20m
Multiple Airlines
Tue 9/156:20 am
BEG
- STL
1 stop14h 05m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$853
This Air Canada deal was found by Cheapflights users on 6/19. 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.
Wed 8/2612:10 pm
STL
- BEG
2 stops20h 55m
Air Canada
Tue 9/151:10 pm
BEG
- STL
2 stops36h 31m
Air Canada
Deal found 6/19![Air Canada logo]()
$855
Best flights from St. Louis to SerbiaDiscover carefully curated flight deals from St. Louis to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
Discover carefully curated flight deals from St. Louis to Serbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 21, 2026.
This FlightHub deal was found by Cheapflights users on 6/21. 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.
Wed 9/912:28 pm
STL
- BEG
2 stops21h 02m
Lufthansa
Wed 9/301:05 pm
BEG
- STL
2 stops15h 16m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$840
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 8/233:30 pm
STL
- BEG
1 stop17h 40m
United Airlines
Fri 9/185:50 am
BEG
- STL
2 stops19h 51m
United Airlines
Deal found 6/19![United Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 pm
STL
- BEG
2 stops21h 30m
Delta
Thu 9/176:15 am
BEG
- STL
2 stops17h 55m
Delta
Deal found 6/19![Delta logo]()
$961
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/243:30 pm
STL
- BEG
1 stop14h 25m
United Airlines
Fri 9/181:20 pm
BEG
- STL
2 stops36h 21m
United Airlines
Deal found 6/19![United Airlines logo]()
$864
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 pm
STL
- BEG
2 stops21h 30m
Delta
Wed 9/166:15 am
BEG
- STL
2 stops17h 55m
Delta
Deal found 6/19![Delta logo]()
$961
This United Airlines deal was found by Cheapflights users on 6/19. 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 8/263:30 pm
STL
- BEG
1 stop14h 15m
United Airlines
Sat 9/194:50 pm
BEG
- STL
1 stop27h 35m
United Airlines
Deal found 6/19![United Airlines logo]()
$941
This Delta deal was found by Cheapflights users on 6/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 pm
STL
- BEG
2 stops21h 30m
Delta
Mon 9/1412:35 pm
BEG
- STL
2 stops35h 35m
Delta
Deal found 6/19![Delta logo]()
$961
Last-minute flights from St. Louis to SerbiaDiscover last-minute flight deals from St. Louis to Serbia. Data last updated June 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Serbia. Data last updated June 21, 2026 and is based on user searches.
This oojo deal was found by Cheapflights users on 6/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:13 pm
STL
- BEG
2 stops16h 12m
Lufthansa
Thu 7/21:10 pm
BEG
- STL
2 stops17h 19m
Lufthansa
Deal found 6/20![Lufthansa logo]()
$1,368
This Gotogate deal was found by Cheapflights users on 6/20. 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 6/252:15 pm
STL
- BEG
2 stops19h 10m
Multiple Airlines
Thu 7/24:50 pm
BEG
- STL
1 stop27h 35m
Multiple Airlines
Deal found 6/20![Multiple Airlines logo]()
$1,379
This Air Canada deal was found by Cheapflights users on 6/20. 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.
Thu 6/251:20 pm
STL
- BEG
2 stops20h 05m
Air Canada
Thu 7/26:10 am
BEG
- STL
3 stops19h 03m
Air Canada
Deal found 6/20![Air Canada logo]()
$1,756
One-way flights from St. Louis to SerbiaSearch for one-way flight options from St. Louis to Serbia. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
Search for one-way flight options from St. Louis to Serbia. Find affordable one-way fares based on user searches. Data last updated June 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Mon 7/134:57 pm
STL
- BEG
3 stops46h 38m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$503
This Mytrip deal was found by Cheapflights users on 6/21. 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 7/88:55 am
STL
- BEG
3 stops24h 40m
Multiple Airlines
Deal found 6/21![Multiple Airlines logo]()
$608
This Gotogate deal was found by Cheapflights users on 6/21. 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.
Mon 7/138:55 am
STL
- BEG
2 stops20h 35m
Air Canada
Deal found 6/21![Air Canada logo]()
$654
This Gotogate deal was found by Cheapflights users on 6/21. 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.
Wed 7/88:55 am
STL
- BEG
2 stops20h 35m
Air Canada
Deal found 6/21![Air Canada logo]()
$655
This Gotogate deal was found by Cheapflights users on 6/21. 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.
Wed 7/83:30 pm
STL
- BEG
1 stop14h 15m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$660
This Flightnetwork deal was found by Cheapflights users on 6/21. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/133:30 pm
STL
- BEG
1 stop14h 25m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$666
Find flight deals from St. Louis to Serbia
Keep the following information in mind while searching for St. Louis to Serbia flight deals. Data was last updated June 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $727 (oojo) |
One-way from | $503 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $1,348 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis 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 June 21, 2026.
Use the filters below to find and compare flights from St. Louis to Serbia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 9/9
12:28 pm-4:30 pm
2 stops21h 02m
Belgrade Nikola Tesla
Wed 9/30
1:05 pm-9:21 pm
2 stops15h 16m
$840
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Sun 8/23
3:30 pm-4:10 pm
1 stop17h 40m
Belgrade Nikola Tesla
Fri 9/18
5:50 am-6:41 pm
2 stops19h 51m
$864
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 8/24
3:30 pm-12:55 pm
1 stop14h 25m
Belgrade Nikola Tesla
Fri 9/18
1:20 pm-6:41 pm
2 stops36h 21m
$864
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 8/26
3:30 pm-12:45 pm
1 stop14h 15m
Belgrade Nikola Tesla
Sat 9/19
4:50 pm-1:25 pm
1 stop27h 35m
$941
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Fri 8/28
6:25 pm-10:55 pm
2 stops21h 30m
Belgrade Nikola Tesla
Thu 9/17
6:15 am-5:10 pm
2 stops17h 55m
$961
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Fri 8/28
6:25 pm-10:55 pm
2 stops21h 30m
Belgrade Nikola Tesla
Wed 9/16
6:15 am-5:10 pm
2 stops17h 55m
$961
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Fri 8/28
6:25 pm-10:55 pm
2 stops21h 30m
Belgrade Nikola Tesla
Mon 9/14
12:35 pm-5:10 pm
2 stops35h 35m
$961
Cheapest one-way
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 7/8
8:55 am-4:35 pm
3 stops24h 40m
$608
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 7/13
8:55 am-12:30 pm
2 stops20h 35m
$654
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 7/8
8:55 am-12:30 pm
2 stops20h 35m
$655
Showing 1-10 of 12 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Serbia
Have a flexible travel schedule? Discover the best time to fly to Serbia from St. Louis with our price prediction graph.
STL-BEG
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 St. Louis to Serbia
STL-RS0
STL-BEG
What is the cheapest month to book a flight from St. Louis to Serbia?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Serbia (average of $551). Flying from St. Louis to Serbia in December is currently the most expensive (average of $1,321). 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 June 21, 2026.
Read reviews from past customers who have flown Lufthansa from St. Louis to Serbia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.4
Overall
6.8
Crew
7.6
Comfort
6.8
Boarding
7.0
Food
6.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
SFO - FRA
Entertainment
6.4
Overall
6.8
Crew
7.6
Comfort
6.8
Boarding
7.0
Food
6.3
Reviews
1 / 20
4.0
OkayAnonymous,May 2026
SFO - FRA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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St. Louis and Serbia flights
Browse other St. Louis and Serbia flight options. Last updated on June 21, 2026.
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Consider these flights traveling from St. Louis to Serbia.
Top airline flying from St. Louis to Serbia
Discover the top airline that operate flights from St. Louis 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 June 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$602 | Average$1,052 | FlexibilityNo cancel fee | On-time76% |