$757+ Cheap flights from St. Louis (STL) to Belgrade (BEG)
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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Belgrade 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 Belgrade
Cheapest
Best
Last-minute
Cheapest flights from St. Louis to BelgradeExplore the most affordable flight options available from St. Louis to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from St. Louis to Belgrade. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This KLM deal was found by Cheapflights users on 11/6. 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.
Tue 11/242:21 pm -
2 stops14h 34m
Fri 12/46:05 am -
2 stops19h 08m
Deal found 11/6![KLM logo]()
$995
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![Lufthansa logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 11/2411:29 am -
2 stops18h 21m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![United Airlines logo]()
$1,005
This Air France deal was found by Cheapflights users on 11/4. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:17 pm -
2 stops15h 08m
Wed 1/1312:35 pm -
2 stops17h 51m
Deal found 11/4![Multiple Airlines logo]()
$1,022
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:08 pm -
2 stops21h 27m
Sat 12/56:50 am -
2 stops22h 25m
Deal found 11/6![Austrian Airlines logo]()
$1,034
This Globehunters deal was found by Cheapflights users on 11/6. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Sat 12/51:40 pm -
1 stop31h 05m
Deal found 11/6![Lufthansa logo]()
$1,043
This KLM deal was found by Cheapflights users on 11/6. 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.
Tue 11/2410:05 am -
2 stops18h 50m
Sun 12/612:35 pm -
2 stops17h 51m
Deal found 11/6![KLM logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 11/6![Lufthansa logo]()
$1,050
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm -
2 stops37h 45m
Sun 12/69:40 am -
2 stops36h 46m
Deal found 11/4![Multiple Airlines logo]()
$1,055
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/224:05 pm -
2 stops37h 45m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 11/4![United Airlines logo]()
$1,058
Best flights from St. Louis to BelgradeDiscover carefully curated flight deals from St. Louis to Belgrade that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from St. Louis to Belgrade that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 2/274:30 pm -
2 stops36h 25m
Thu 3/116:05 am -
2 stops17h 45m
Deal found 11/8![Delta logo]()
$757
This United Airlines deal was found by Cheapflights users on 11/7. 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 2/281:08 pm -
2 stops16h 42m
Wed 3/36:15 am -
1 stop14h 30m
Deal found 11/7![United Airlines logo]()
$764
This Air France deal was found by Cheapflights users on 11/4. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:17 pm -
2 stops15h 08m
Wed 1/1312:35 pm -
2 stops17h 51m
Deal found 11/4![Multiple Airlines logo]()
$1,022
This KLM deal was found by Cheapflights users on 11/6. 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 11/257:18 pm -
2 stops21h 07m
Sun 12/612:35 pm -
2 stops17h 51m
Deal found 11/6![KLM logo]()
$1,045
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Sat 2/274:05 pm -
2 stops37h 45m
Wed 3/106:15 am -
1 stop14h 30m
Deal found 11/7![United Airlines logo]()
$768
This Delta deal was found by Cheapflights users on 11/8. 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 2/2512:01 pm -
2 stops16h 54m
Fri 3/126:05 am -
2 stops24h 34m
Deal found 11/8![Delta logo]()
$802
This KLM deal was found by Cheapflights users on 11/6. 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.
Tue 11/2410:05 am -
2 stops18h 50m
Sun 12/612:35 pm -
2 stops17h 51m
Deal found 11/6![KLM logo]()
$1,045
This United Airlines deal was found by Cheapflights users on 11/6. 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 11/251:00 pm -
2 stops16h 50m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![United Airlines logo]()
$1,005
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 11/2411:29 am -
2 stops18h 21m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![United Airlines logo]()
$1,005
Last-minute flights from St. Louis to BelgradeDiscover last-minute flight deals from St. Louis to Belgrade. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Belgrade. Data last updated November 10, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 11/4. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm -
2 stops37h 45m
Sun 12/69:40 am -
2 stops36h 46m
Deal found 11/4![Multiple Airlines logo]()
$1,055
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Sun 11/224:05 pm -
2 stops37h 45m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 11/4![United Airlines logo]()
$1,058
This KLM deal was found by Cheapflights users on 11/6. 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.
Tue 11/242:21 pm -
2 stops14h 34m
Fri 12/46:05 am -
2 stops19h 08m
Deal found 11/6![KLM logo]()
$995
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 11/2411:29 am -
2 stops18h 21m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![United Airlines logo]()
$1,005
This KLM deal was found by Cheapflights users on 11/6. 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.
Tue 11/242:21 pm -
2 stops14h 34m
Sat 12/512:35 pm -
2 stops18h 30m
Deal found 11/6![KLM logo]()
$1,045
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Fri 12/46:15 am -
1 stop14h 30m
Deal found 11/6![Lufthansa logo]()
$1,000
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:08 pm -
2 stops21h 27m
Sat 12/56:50 am -
2 stops22h 25m
Deal found 11/6![Austrian Airlines logo]()
$1,034
This Globehunters deal was found by Cheapflights users on 11/6. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Sat 12/51:40 pm -
1 stop31h 05m
Deal found 11/6![Lufthansa logo]()
$1,043
This FlightHub deal was found by Cheapflights users on 11/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:40 pm -
1 stop14h 10m
Sun 12/66:15 am -
1 stop14h 30m
Deal found 11/6![Lufthansa logo]()
$1,050
This Air France deal was found by Cheapflights users on 11/4. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/162:17 pm -
2 stops15h 08m
Wed 1/1312:35 pm -
2 stops17h 51m
Deal found 11/4![Multiple Airlines logo]()
$1,022
Find flight deals from St. Louis to Belgrade
Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belgrade (BEG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $740 (Expedia) |
Popular in | June |
Cheapest in | January |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Belgrade 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 November 10, 2026.
Use the filters below to find and compare flights from St. Louis to Belgrade 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
Sat 2/27
4:30 pm-11:55 am
2 stops36h 25m
Belgrade Nikola Tesla
Thu 3/11
6:05 am-4:50 pm
2 stops17h 45m
$757
Quickest round-trip
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Sun 2/28
1:08 pm-12:50 pm
2 stops16h 42m
Belgrade Nikola Tesla
Wed 3/3
6:15 am-1:45 pm
1 stop14h 30m
$764
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Sat 2/27
4:05 pm-12:50 pm
2 stops37h 45m
Belgrade Nikola Tesla
Wed 3/10
6:15 am-1:45 pm
1 stop14h 30m
$768
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Thu 2/25
12:01 pm-11:55 am
2 stops16h 54m
Belgrade Nikola Tesla
Fri 3/12
6:05 am-11:39 pm
2 stops24h 34m
$802
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Wed 11/25
1:00 pm-12:50 pm
2 stops16h 50m
Belgrade Nikola Tesla
Fri 12/4
6:15 am-1:45 pm
1 stop14h 30m
$1,005
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Tue 11/24
11:29 am-12:50 pm
2 stops18h 21m
Belgrade Nikola Tesla
Fri 12/4
6:15 am-1:45 pm
1 stop14h 30m
$1,005
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Wed 12/16
2:17 pm-12:25 pm
2 stops15h 08m
Belgrade Nikola Tesla
Wed 1/13
12:35 pm-11:26 pm
2 stops17h 51m
$1,022
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Wed 11/25
7:18 pm-11:25 pm
2 stops21h 07m
Belgrade Nikola Tesla
Sun 12/6
12:35 pm-11:26 pm
2 stops17h 51m
$1,045
St. LouisBelgrade
STL Lambert-St Louis - BEG Belgrade Nikola Tesla
STLBEG
Lambert-St Louis
Tue 11/24
10:05 am-11:55 am
2 stops18h 50m
Belgrade Nikola Tesla
Sun 12/6
12:35 pm-11:26 pm
2 stops17h 51m
$1,045
Sorted by cheapest first
Compare providers for flights from St. Louis to Belgrade
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Belgrade in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Belgrade flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Belgrade flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Belgrade flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Belgrade flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Belgrade flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Belgrade
Have a flexible travel schedule? Discover the best time to fly to Belgrade 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 Belgrade
What’s the top layover airport for flights from St. Louis to Belgrade?
Share of 1-stop round-trip flights from St. Louis to Belgrade chosen by Cheapflights users in the past 12 months, using the same layover each way.
Chicago (ORD) – chosen by Cheapflights users on 50% of 1-stop itineraries from St. Louis to Belgrade on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to Belgrade?
Average round-trip fare for 1-stop flights from St. Louis to Belgrade, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Frankfurt am Main (FRA) is the most affordable 1-stop option, with an average round-trip price of $859.
What’s the fastest layover option from St. Louis to Belgrade?
Shortest average travel time for 1-stop one-way flights from St. Louis to Belgrade, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 14h 15m.
Which airport typically offers the quickest layover for flights from St. Louis to Belgrade?
Average layover duration for 1-stop one-way flights from St. Louis to Belgrade, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Frankfurt am Main (FRA) offer the fastest connection on this route, with an average layover time of 2h 55m.
Reviews of airlines servicing Belgrade
Get insights into the airlines that provide service to Belgrade. 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 Belgrade. Reviews last updated November 10, 2026.
Peruse reviews from past customers who have flown with United Airlines and Lufthansa from St. Louis to Belgrade to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Food
6.7
Boarding
7.7
Crew
8.1
Comfort
7.3
Entertainment
7.1
Overall
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 Belgrade. 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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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Other flights to Belgrade
Explore flights to Belgrade departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Complete your trip
Complete your trip to Belgrade by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Belgrade flights
Browse other St. Louis and Belgrade flight options. Last updated on November 10, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on November 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from St. Louis to Belgrade
Discover the top 2 airlines that operate flights from St. Louis to Belgrade. 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 November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$624 | Average$1,079 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$773 | Average$1,076 | FlexibilityNo cancel fee | On-time76% |