$448+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis 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 St. Louis to Serbia
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Best
Last-minute
One-way
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 September 23, 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 September 23, 2026.
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/1812:10 pm -
2 stops21h 20m
Tue 11/36:15 am -
2 stops40h 11m
Deal found 9/22![Air Canada logo]()
$641
This Justfly.com deal was found by Cheapflights users on 9/22. 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.
Sun 10/183:30 pm -
1 stop14h 15m
Tue 11/36:15 am -
2 stops22h 25m
Deal found 9/22![Lufthansa logo]()
$651
This FlightHub deal was found by Cheapflights users on 9/18. 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 11/224:05 pm -
2 stops35h 20m
Sun 12/68:05 pm -
2 stops50h 21m
Deal found 9/18![Multiple Airlines logo]()
$681
This Ovago deal was found by Cheapflights users on 9/21. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:00 pm -
2 stops17h 55m
Sun 11/156:20 pm -
2 stops45h 33m
Deal found 9/21![Multiple Airlines logo]()
$703
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/14:05 pm -
2 stops42h 30m
Tue 12/16:15 am -
2 stops40h 11m
Deal found 9/21![Multiple Airlines logo]()
$704
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 September 23, 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 September 23, 2026.
This FlightHub deal was found by Cheapflights users on 9/22. 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 11/224:05 pm -
2 stops48h 25m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 9/22![Multiple Airlines logo]()
$689
This oojo deal was found by Cheapflights users on 9/22. 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.
Sun 11/223:40 pm -
1 stop14h 10m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 9/22![Lufthansa logo]()
$740
This United Airlines deal was found by Cheapflights users on 9/22. 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 3/26:30 am -
3 stops23h 20m
Fri 3/56:15 am -
1 stop14h 30m
Deal found 9/22![United Airlines logo]()
$759
Last-minute flights from St. Louis to SerbiaDiscover last-minute flight deals from St. Louis to Serbia. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Serbia. Data last updated September 23, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/21. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:27 am -
2 stops18h 53m
Sat 10/171:05 pm -
2 stops40h 54m
Deal found 9/21![Multiple Airlines logo]()
$917
This Justfly.com deal was found by Cheapflights users on 9/21. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:30 pm -
1 stop14h 15m
Sat 10/171:05 pm -
2 stops40h 54m
Deal found 9/21![Lufthansa logo]()
$922
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:30 am -
3 stops26h 00m
Sat 10/174:50 pm -
2 stops35h 31m
Deal found 9/21![United Airlines logo]()
$1,313
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/1812:10 pm -
2 stops21h 20m
Tue 11/36:15 am -
2 stops40h 11m
Deal found 9/22![Air Canada logo]()
$641
This Justfly.com deal was found by Cheapflights users on 9/22. 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.
Sun 10/183:30 pm -
1 stop14h 15m
Tue 11/36:15 am -
2 stops22h 25m
Deal found 9/22![Lufthansa logo]()
$651
This Gotogate deal was found by Cheapflights users on 9/21. 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.
Sun 10/254:05 pm -
2 stops14h 40m
Mon 10/263:30 pm -
2 stops54h 13m
Deal found 9/21![Multiple Airlines logo]()
$1,386
This Gotogate deal was found by Cheapflights users on 9/21. 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 10/264:05 pm -
2 stops15h 50m
Tue 10/278:20 pm -
2 stops25h 23m
Deal found 9/21![Multiple Airlines logo]()
$1,377
This Gotogate deal was found by Cheapflights users on 9/21. 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 10/284:05 pm -
2 stops14h 40m
Thu 10/293:30 pm -
2 stops30h 13m
Deal found 9/21![Multiple Airlines logo]()
$1,380
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 September 23, 2026.
Search for one-way flight options from St. Louis to Serbia. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Thu 10/154:30 pm -
3 stops49h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$448
This Air Canada deal was found by Cheapflights users on 9/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:10 pm -
2 stops21h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Air Canada logo]()
$517
This Delta deal was found by Cheapflights users on 9/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
2 stops22h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Delta logo]()
$608
This United Airlines deal was found by Cheapflights users on 9/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:30 am -
3 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$700
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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $641 (Mytrip) |
One-way from | $448 (Kiwi.com) |
Popular in | June |
Cheapest in | November |
Average price | $905 |
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 7,457,451 searches. Data last updated September 23, 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 Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Thu 10/15
4:30 pm-1:00 am
3 stops49h 30m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$448
Quickest round-trip
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Thu 10/15
12:10 pm-4:25 pm
2 stops21h 15m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$517
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Thu 10/1
6:00 am-11:55 am
2 stops22h 55m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$608
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Sun 11/22
4:05 pm-11:30 pm
2 stops48h 25m
Belgrade Nikola Tesla
Sun 12/6
6:15 am-1:45 pm
1 stop14h 30m
$689
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Thu 10/1
7:30 am-12:20 pm
3 stops21h 50m
Belgrade Nikola Tesla
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$700
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Sun 11/22
3:40 pm-12:50 pm
1 stop14h 10m
Belgrade Nikola Tesla
Sun 12/6
6:15 am-1:45 pm
1 stop14h 30m
$740
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Tue 3/2
6:30 am-12:50 pm
3 stops23h 20m
Belgrade Nikola Tesla
Fri 3/5
6:15 am-1:45 pm
1 stop14h 30m
$759
Sorted 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
No data available for this route at this time. Please check back soon.
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 September 23, 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.
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Boarding
7.7
Food
6.7
Crew
8.1
Overall
7.4
Entertainment
7.1
Comfort
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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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Alternative routes for St. Louis to Serbia
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Complete your trip
Complete your trip to Serbia by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Serbia flights
Browse other St. Louis and Serbia flight options. Last updated on September 23, 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$1,079 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$630 | Average$1,056 | FlexibilityNo cancel fee | On-time76% |