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Belgrade

$388+ Cheap flights from St. Louis (STL) to Belgrade (BEG)

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from St. Louis to Belgrade

Cheapest flights from St. Louis to Belgrade
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 December 15, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/246:05 amSTL - BEG
2 stops34h 20mDelta
Mon 1/512:35 pmBEG - STL
2 stops41h 50mDelta
Deal found 12/15$1,788
This Delta deal was found by Cheapflights users on 12/15. 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 12/233:43 pmSTL - BEG
2 stops37h 12mDelta
Tue 1/66:05 amBEG - STL
2 stops21h 38mDelta
Deal found 12/15$1,797
This Delta deal was found by Cheapflights users on 12/13. 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 12/232:18 pmSTL - BEG
2 stops50h 07mDelta
Mon 1/512:35 pmBEG - STL
2 stops41h 50mDelta
Deal found 12/13$1,801
This KAYAK deal was found by Cheapflights users on 12/15. 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.
Wed 12/2411:05 amSTL - BEG
2 stops42h 40mLufthansa
Wed 1/75:50 pmBEG - STL
2 stops51h 05mLufthansa
Deal found 12/15$1,834
This Delta deal was found by Cheapflights users on 12/13. 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 12/226:05 amSTL - BEG
2 stops22h 50mDelta
Wed 1/76:05 amBEG - STL
2 stops17h 32mDelta
Deal found 12/13$1,903
This Delta deal was found by Cheapflights users on 12/13. 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.
Sun 12/217:02 pmSTL - BEG
2 stops45h 23mDelta
Tue 1/66:05 amBEG - STL
2 stops24h 20mDelta
Deal found 12/13$1,912
This oojo deal was found by Cheapflights users on 12/14. 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.
Tue 12/235:16 pmSTL - BEG
2 stops40h 49mMultiple Airlines
Tue 1/67:05 amBEG - STL
2 stops18h 29mMultiple Airlines
Deal found 12/14$2,019
This Delta deal was found by Cheapflights users on 12/15. 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 12/221:22 pmSTL - BEG
2 stops15h 33mDelta
Tue 1/66:05 amBEG - STL
2 stops21h 38mDelta
Deal found 12/15$2,153
This Delta deal was found by Cheapflights users on 12/13. 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 12/203:43 pmSTL - BEG
2 stops48h 42mDelta
Wed 1/76:05 amBEG - STL
2 stops17h 40mDelta
Deal found 12/13$2,164
This KAYAK deal was found by Cheapflights users on 12/13. 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.
Wed 12/2411:05 amSTL - BEG
2 stops29h 25mAustrian Airlines
Mon 1/511:10 amBEG - STL
2 stops43h 49mAustrian Airlines
Deal found 12/13$2,570

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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$547
(FlightHub)

One-way from

$388
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,008
Provider with most accurate pricing for Lambert-St Louis-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Belgrade Nikola Tesla flights.
Search Deals
From Lambert-St Louis to Belgrade Nikola Tesla
Search Deals
One-way flight from Lambert-St Louis to Belgrade Nikola Tesla
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from St. Louis to Belgrade that are best for you.

Fly from

St. Louis

Fly to

Belgrade

Route

Depart

Return

Price

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 1/14

11:22 am-12:45 pm

2 stops18h 23m

Belgrade Nikola Tesla

Wed 1/21

1:30 pm-11:59 pm

2 stops17h 29m

$547

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 1/11

6:35 am-11:55 am

2 stops22h 20m

Belgrade Nikola Tesla

Sun 1/18

6:05 am-11:25 pm

2 stops24h 20m

$730

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 5/19

1:00 pm-4:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Fri 5/29

1:05 pm-8:05 pm

2 stops38h 00m

$1,054

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 5/19

1:00 pm-4:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Tue 6/2

1:05 pm-8:05 pm

2 stops38h 00m

$1,054

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 5/18

1:00 pm-4:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Thu 5/28

1:05 pm-8:05 pm

2 stops38h 00m

$1,054

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 5/20

1:00 pm-4:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Mon 6/1

1:05 pm-8:04 pm

2 stops37h 59m

$1,067

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 5/19

6:49 pm-11:25 pm

2 stops21h 36m

Belgrade Nikola Tesla

Wed 6/3

6:10 am-1:30 pm

1 stop14h 20m

$1,068

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 5/20

7:30 am-12:45 pm

2 stops22h 15m

Belgrade Nikola Tesla

Wed 6/3

6:10 am-1:30 pm

1 stop14h 20m

$1,076

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 5/20

7:30 am-12:45 pm

2 stops22h 15m

Belgrade Nikola Tesla

Fri 5/29

6:20 am-1:30 pm

1 stop14h 10m

$1,076

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 5/18

1:00 pm-12:45 pm

2 stops40h 45m

Belgrade Nikola Tesla

Mon 6/1

1:50 pm-1:30 pm

1 stop30h 40m

$1,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 15 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*2 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Belgrade flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Belgrade flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.
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 is the cheapest month to book a flight from St. Louis to Belgrade?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Belgrade (average of $554). Flying from St. Louis to Belgrade in June is currently the most expensive (average of $1,129). 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 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 December 15, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air Canada 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.
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,525 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,628 reviews
Delta
7.9
Good
8,008 reviews

Overall

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from St. Louis to Belgrade?

    Lufthansa, Delta, and Air Canada can get you from St. Louis to Belgrade in just under 18h 23m. Your travel time can differ by up to 3h 57m. The distance from St. Louis to Belgrade is about 5231 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Belgrade round-trip?

    Lufthansa, at $567, was found to be the cheapest airline from St. Louis to Belgrade.Alternate airlines to your destination round-trip include Air Canada and Delta. Lufthansa is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from St. Louis to Belgrade that include hotel bookings?

    Yes. In addition to deals on St. Louis to Belgrade flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Belgrade?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Belgrade.

  • Can I find deals for business class flights from St. Louis to Belgrade?

    Yes. Cheapflights offers flight deals from St. Louis to Belgrade by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Belgrade?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Belgrade (average of $554). Flying from St. Louis to Belgrade in June is currently the most expensive (average of $1,129). 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.

See more FAQs

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Alternative routes for St. Louis to Belgrade

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Belgrade flights

Top 4 airlines flying from St. Louis to Belgrade

Discover the top 4 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 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$567Average$1,099FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$574Average$1,057FlexibilityNo cancel feeOn-time67%
DeltaCheapest$746Average$765FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$747Average$815FlexibilityNo cancel feeOn-time75%

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