$640+ 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 7/26. Fares are subject to change and may not be available on all flights or dates of travel.
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
Keep the following information in mind while searching for St. Louis to Serbia flight deals. Data was last updated June 12, 2025.
Round-trip from | $640 (Expedia) |
|---|---|
Popular in | June |
Cheapest in | February |
Average price | $1,217 |
Find flight deals from St. Louis to Serbia
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 12, 2025.
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 12, 2025.
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 6/10. 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.
This Lufthansa deal was found by Cheapflights users on 6/11. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/12. 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.
This FlightHub deal was found by Cheapflights users on 6/10. 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.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
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 12, 2025.
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
Price
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Sat 7/26
4:05 pm-4:25 pm
2 stops41h 20m
Belgrade Nikola Tesla
Fri 8/22
6:05 am-8:00 pm
2 stops44h 55m
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Tue 8/5
1:30 pm-11:15 pm
2 stops26h 45m
Belgrade Nikola Tesla
Tue 9/2
6:10 am-7:57 pm
2 stops20h 47m
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Tue 7/29
5:31 pm-11:15 pm
2 stops22h 44m
Belgrade Nikola Tesla
Mon 8/18
5:10 pm-3:44 pm
2 stops29h 34m
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Fri 7/25
5:37 pm-10:55 pm
2 stops22h 18m
Belgrade Nikola Tesla
Fri 8/22
6:00 am-9:27 pm
2 stops22h 27m
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Tue 8/5
8:00 am-8:30 am
2 stops17h 30m
Belgrade Nikola Tesla
Mon 9/1
12:50 am-2:19 pm
2 stops20h 29m
St. LouisBelgrade
STL - BEG
STLBEG
Lambert-St Louis
Sun 8/3
3:30 pm-1:10 pm
1 stop14h 40m
Belgrade Nikola Tesla
Sat 8/16
1:40 pm-1:30 pm
1 stop30h 50m
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.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Serbia
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 $688). Flying from St. Louis to Serbia in June is currently the most expensive (average of $1,167). 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.
Rainfall in Serbia by month
Plan your trip to Serbia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.
Temperature in Serbia by month
Plan your trip to Serbia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).
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 12, 2025.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
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
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from St. Louis to Serbia
Discover the top 5 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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$574 | Average$1,057 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$661 | Average$1,000 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$696 | Average$991 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$747 | Average$969 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$795 | Average$1,088 | FlexibilityNo cancel fee | On-time76% |