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Belgrade

$440+ 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
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 January 28, 2026.

This Expedia deal was found by Cheapflights users on 1/27. 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.
Tue 3/31:11 pm
STL
-
BEG
2 stops20h 54m
Lufthansa
Thu 3/121:30 pm
BEG
-
STL
2 stops16h 21m
Lufthansa
Deal found 1/27$563
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/259:55 am
STL
-
BEG
2 stops19h 55m
United Airlines
Sun 3/16:15 am
BEG
-
STL
1 stop14h 40m
United Airlines
Deal found 1/25$575
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/13:50 pm
STL
-
BEG
1 stop14h 00m
United Airlines
Sat 3/141:50 pm
BEG
-
STL
2 stops37h 17m
United Airlines
Deal found 1/26$651
This Gotogate deal was found by Cheapflights users on 1/26. 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.
Fri 8/73:30 pm
STL
-
BEG
1 stop17h 15m
Multiple Airlines
Mon 8/245:15 pm
BEG
-
STL
2 stops56h 12m
Multiple Airlines
Deal found 1/26$820
This Lufthansa deal was found by Cheapflights users on 1/27. 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.
Fri 7/316:49 pm
STL
-
BEG
2 stops14h 36m
Lufthansa
Mon 8/172:10 pm
BEG
-
STL
1 stop30h 15m
Lufthansa
Deal found 1/27$848

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$563
(Expedia)

One-way from

$440
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$736
Provider with most accurate pricing for Lambert-St Louis-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Belgrade Nikola Tesla flights.
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From Lambert-St Louis to Belgrade Nikola Tesla
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One-way flight from Lambert-St Louis to Belgrade Nikola Tesla
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 28, 2026.
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

Tue 3/3

1:11 pm-5:05 pm

2 stops20h 54m

Belgrade Nikola Tesla

Thu 3/12

1:30 pm-11:51 pm

2 stops16h 21m

$563

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 2/25

9:55 am-12:50 pm

2 stops19h 55m

Belgrade Nikola Tesla

Sun 3/1

6:15 am-1:55 pm

1 stop14h 40m

$575

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 3/1

7:41 am-12:50 pm

2 stops22h 09m

Belgrade Nikola Tesla

Sat 3/14

1:50 pm-9:07 pm

2 stops37h 17m

$655

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 3/1

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Sat 3/14

1:50 pm-2:55 pm

1 stop31h 05m

$938

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 7/7

3:30 pm-12:25 pm

1 stop13h 55m

Belgrade Nikola Tesla

Tue 8/11

7:00 am-4:26 pm

2 stops16h 26m

$947

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 3/3

4:49 pm-10:30 am

3 stops34h 41m

Belgrade Nikola Tesla

Thu 3/12

6:25 am-3:29 pm

2 stops39h 04m

$967

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Thu 3/12

7:41 am-11:50 pm

2 stops34h 09m

Belgrade Nikola Tesla

Thu 3/19

6:25 am-10:59 pm

2 stops22h 34m

$968

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 7/7

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Tue 8/11

6:20 am-1:25 pm

1 stop14h 05m

$977

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 3/1

9:55 am-12:50 pm

3 stops19h 55m

Belgrade Nikola Tesla

Sat 3/14

9:40 am-3:29 pm

2 stops35h 49m

$1,303

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 2/15

6:55 pm-10:15 pm

3 stops20h 20m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 11 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 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.
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 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 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 January 28, 2026.
Peruse reviews from past customers who have flown with Delta, KLM, 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.
Delta
7.9
Good
8,124 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
8,124 reviews
Delta
7.9
Good
8,124 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
1,443 reviews
Delta
7.9
Good
8,124 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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
7,749 reviews
Delta
7.9
Good
8,124 reviews

Comfort

7.9

Entertainment

7.8

Overall

7.9

Crew

8.5

Food

7.2

Boarding

8.1

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 and United Airlines can get you from St. Louis to Belgrade in just under 19h 55m. Your travel time can differ by up to 59m. 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 Delta and KLM. Lufthansa is 37% 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 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 3 airlines flying from St. Louis to Belgrade

Discover the top 3 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$567Average$1,098FlexibilityNo cancel feeOn-time76%
DeltaCheapest$746Average$776FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$747Average$815FlexibilityNo cancel feeOn-time75%

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