$861+ Cheap flights from St. Louis (STL) 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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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
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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 May 6, 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 May 6, 2026.
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:18 am
STL
- BEG
2 stops17h 37m
Multiple Airlines
Wed 8/196:35 am
BEG
- STL
2 stops17h 17m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$861
This Justfly.com deal was found by Cheapflights users on 5/3. 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.
Thu 8/201:18 pm
STL
- BEG
2 stops16h 02m
Lufthansa
Wed 9/306:15 am
BEG
- STL
2 stops16h 23m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$890
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:01 am
STL
- BEG
3 stops22h 24m
United Airlines
Wed 9/306:10 am
BEG
- STL
2 stops19h 31m
United Airlines
Deal found 5/3![United Airlines logo]()
$920
This KLM deal was found by Cheapflights users on 5/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:19 am
STL
- BEG
2 stops18h 36m
KLM
Tue 5/266:15 am
BEG
- STL
2 stops17h 50m
KLM
Deal found 5/1![KLM logo]()
$948
This Mytrip deal was found by Cheapflights users on 5/5. 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 6/38:40 am
STL
- BEG
2 stops24h 50m
Air Canada
Wed 6/106:15 am
BEG
- STL
2 stops45h 10m
Air Canada
Deal found 5/5![Air Canada logo]()
$1,039
This FlightHub deal was found by Cheapflights users on 5/5. 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 6/38:40 am
STL
- BEG
2 stops20h 50m
Multiple Airlines
Wed 6/106:10 am
BEG
- STL
1 stop14h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 5/5. 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 5/1311:34 am
STL
- BEG
2 stops29h 01m
Multiple Airlines
Tue 5/266:20 am
BEG
- STL
2 stops16h 26m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,093
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 5/126:57 pm
STL
- BEG
2 stops20h 58m
Delta
Wed 8/56:15 am
BEG
- STL
2 stops17h 37m
Delta
Deal found 5/6![Delta logo]()
$1,099
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 7/15:33 pm
STL
- BEG
2 stops23h 02m
United Airlines
Sat 7/186:10 am
BEG
- STL
2 stops21h 32m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,100
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 May 6, 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 May 6, 2026.
This KLM deal was found by Cheapflights users on 5/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2211:18 am
STL
- BEG
2 stops17h 37m
Multiple Airlines
Wed 8/196:35 am
BEG
- STL
2 stops17h 17m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$861
This Justfly.com deal was found by Cheapflights users on 5/3. 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.
Thu 8/201:18 pm
STL
- BEG
2 stops16h 02m
Lufthansa
Wed 9/306:15 am
BEG
- STL
2 stops16h 23m
Lufthansa
Deal found 5/3![Lufthansa logo]()
$890
This United Airlines deal was found by Cheapflights users on 5/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:01 am
STL
- BEG
3 stops22h 24m
United Airlines
Wed 9/306:10 am
BEG
- STL
2 stops19h 31m
United Airlines
Deal found 5/3![United Airlines logo]()
$920
This Delta deal was found by Cheapflights users on 5/4. 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 6/16:04 pm
STL
- BEG
2 stops21h 51m
Delta
Fri 7/246:15 am
BEG
- STL
2 stops17h 31m
Delta
Deal found 5/4![Delta logo]()
$1,180
This Air Canada deal was found by Cheapflights users on 5/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:05 pm
STL
- BEG
2 stops16h 50m
Air Canada
Fri 7/246:15 am
BEG
- STL
2 stops38h 47m
Air Canada
Deal found 5/2![Air Canada logo]()
$1,254
This FlightHub deal was found by Cheapflights users on 5/5. 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 6/38:40 am
STL
- BEG
2 stops20h 50m
Multiple Airlines
Wed 6/106:10 am
BEG
- STL
1 stop14h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,047
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 7/15:33 pm
STL
- BEG
2 stops23h 02m
United Airlines
Sat 7/186:10 am
BEG
- STL
2 stops21h 32m
United Airlines
Deal found 5/1![United Airlines logo]()
$1,100
This Condor deal was found by Cheapflights users on 5/5. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
STL
- BEG
2 stops21h 50m
Multiple Airlines
Fri 8/286:55 am
BEG
- STL
2 stops19h 50m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,168
This KAYAK deal was found by Cheapflights users on 5/5. 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 6/112:55 pm
STL
- BEG
2 stops26h 10m
Lufthansa
Fri 7/245:50 am
BEG
- STL
1 stop14h 35m
Lufthansa
Deal found 5/5![Lufthansa logo]()
$1,314
This United Airlines deal was found by Cheapflights users on 5/6. 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 7/15:33 pm
STL
- BEG
2 stops35h 52m
United Airlines
Sat 8/156:10 am
BEG
- STL
2 stops18h 39m
United Airlines
Deal found 5/6![United Airlines logo]()
$1,305
This KLM deal was found by Cheapflights users on 5/5. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/110:19 am
STL
- BEG
2 stops18h 36m
Multiple Airlines
Fri 7/246:35 am
BEG
- STL
2 stops17h 11m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,312
Last-minute flights from St. Louis to SerbiaDiscover last-minute flight deals from St. Louis to Serbia. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Serbia. Data last updated May 6, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/6. 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.
Tue 5/126:57 pm
STL
- BEG
2 stops20h 58m
Delta
Wed 8/56:15 am
BEG
- STL
2 stops17h 37m
Delta
Deal found 5/6![Delta logo]()
$1,099
This KLM deal was found by Cheapflights users on 5/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/1310:19 am
STL
- BEG
2 stops18h 36m
KLM
Tue 5/266:15 am
BEG
- STL
2 stops17h 50m
KLM
Deal found 5/1![KLM logo]()
$948
This FlightHub deal was found by Cheapflights users on 5/5. 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 5/1311:34 am
STL
- BEG
2 stops29h 01m
Multiple Airlines
Tue 5/266:20 am
BEG
- STL
2 stops16h 26m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,093
This Mytrip deal was found by Cheapflights users on 5/5. 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 6/38:40 am
STL
- BEG
2 stops24h 50m
Air Canada
Wed 6/106:15 am
BEG
- STL
2 stops45h 10m
Air Canada
Deal found 5/5![Air Canada logo]()
$1,039
This FlightHub deal was found by Cheapflights users on 5/5. 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 6/38:40 am
STL
- BEG
2 stops20h 50m
Multiple Airlines
Wed 6/106:10 am
BEG
- STL
1 stop14h 15m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$1,047
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/2310:20 am
STL
- BEG
2 stops18h 35m
Delta
Thu 7/1612:35 pm
BEG
- STL
2 stops35h 11m
Delta
Deal found 5/4![Delta logo]()
$1,180
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/239:22 am
STL
- BEG
2 stops19h 33m
Delta
Mon 7/2012:35 pm
BEG
- STL
2 stops50h 33m
Delta
Deal found 5/4![Delta logo]()
$1,187
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 6/2311:25 am
STL
- BEG
2 stops21h 40m
United Airlines
Fri 7/175:50 am
BEG
- STL
2 stops22h 36m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,209
This United Airlines deal was found by Cheapflights users on 5/4. 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.
Tue 6/2311:10 am
STL
- BEG
2 stops18h 15m
United Airlines
Mon 7/204:55 pm
BEG
- STL
1 stop27h 30m
United Airlines
Deal found 5/4![United Airlines logo]()
$1,219
This Delta deal was found by Cheapflights users on 5/4. 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.
Sat 6/275:36 pm
STL
- BEG
2 stops46h 19m
Delta
Thu 7/166:15 am
BEG
- STL
2 stops15h 58m
Delta
Deal found 5/4![Delta logo]()
$1,186
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $861 (KLM) |
Popular in | December |
Cheapest in | November |
Average price | $1,229 |
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 May 6, 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
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 7/22
11:18 am-11:55 am
2 stops17h 37m
Belgrade Nikola Tesla
Wed 8/19
6:35 am-4:52 pm
2 stops17h 17m
$861
Quickest round-trip
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Thu 8/20
1:18 pm-12:20 pm
2 stops16h 02m
Belgrade Nikola Tesla
Wed 9/30
6:15 am-3:38 pm
2 stops16h 23m
$890
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Thu 8/20
7:01 am-12:25 pm
3 stops22h 24m
Belgrade Nikola Tesla
Wed 9/30
6:10 am-6:41 pm
2 stops19h 31m
$920
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 6/3
8:40 am-12:30 pm
2 stops20h 50m
Belgrade Nikola Tesla
Wed 6/10
6:10 am-1:25 pm
1 stop14h 15m
$1,047
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 7/1
5:33 pm-11:35 pm
2 stops23h 02m
Belgrade Nikola Tesla
Sat 7/18
6:10 am-8:42 pm
2 stops21h 32m
$1,100
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 8/24
7:00 am-11:50 am
2 stops21h 50m
Belgrade Nikola Tesla
Fri 8/28
6:55 am-7:45 pm
2 stops19h 50m
$1,168
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 6/1
6:04 pm-10:55 pm
2 stops21h 51m
Belgrade Nikola Tesla
Fri 7/24
6:15 am-4:46 pm
2 stops17h 31m
$1,180
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 6/1
1:05 pm-12:55 pm
2 stops16h 50m
Belgrade Nikola Tesla
Fri 7/24
6:15 am-2:02 pm
2 stops38h 47m
$1,254
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Wed 7/1
5:33 pm-12:25 pm
2 stops35h 52m
Belgrade Nikola Tesla
Sat 8/15
6:10 am-5:49 pm
2 stops18h 39m
$1,305
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Mon 6/1
10:19 am-11:55 am
2 stops18h 36m
Belgrade Nikola Tesla
Fri 7/24
6:35 am-4:46 pm
2 stops17h 11m
$1,312
Showing 1-10 of 11 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 May 6, 2026.
Read reviews from past customers who have flown United Airlines and 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
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Food
6.6
Overall
7.4
Reviews
1 / 20
8.0
ExcellentAnonymous,Apr 2026
DFW - EWR
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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St. Louis and Serbia flights
Browse other St. Louis and Serbia flight options. Last updated on May 6, 2026.
Popular flight searches
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St. Louis to Serbia flights
Consider these flights traveling from St. Louis to Serbia.
Top 2 airlines flying from St. Louis to Serbia
Discover the top 2 airlines 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 May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$588 | Average$1,044 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$624 | Average$1,079 | FlexibilityNo cancel fee | On-time69% |