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Belgrade

$510+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Sep 7 — Sep 141
Mon 9/7
Mon 9/14
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 August 8, 2026.

This oojo deal was found by Cheapflights users on 8/3. 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.
Wed 9/93:30 pm -
1 stop14h 15m
Wed 9/306:15 am -
2 stops16h 28m
Deal found 8/3$841
This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:21 am -
2 stops17h 34m
Wed 9/3012:35 pm -
2 stops18h 07m
Deal found 8/6$852
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/98:40 am -
2 stops24h 50m
Wed 9/306:10 am -
3 stops37h 03m
Deal found 8/5$864

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 August 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$841
(oojo)

One-way from

$510
(oojo)

Popular in

June

Cheapest in

November

Average price

$1,253
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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Highest demand for flights based on searches. 17% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 8, 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

Price

Cheapest round-trip
Quickest round-trip

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Wed 9/9

3:30 pm-12:45 pm

1 stop14h 15m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-3:43 pm

2 stops16h 28m

$841

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Wed 9/9

11:21 am-11:55 am

2 stops17h 34m

Belgrade Nikola Tesla

Wed 9/30

12:35 pm-11:42 pm

2 stops18h 07m

$852

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Wed 9/9

8:40 am-4:30 pm

2 stops24h 50m

Belgrade Nikola Tesla

Wed 9/30

6:10 am-12:13 pm

3 stops37h 03m

$864
Cheapest one-way
Quickest one-way

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Thu 9/3

12:28 pm-3:45 pm

2 stops20h 17m

$510

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Thu 9/3

7:00 am-12:20 pm

3 stops22h 20m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

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 August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 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 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 $630). Flying from St. Louis to Belgrade in June is currently the most expensive (average of $1,348). 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 August 8, 2026.
Peruse reviews from past customers who have flown with 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.
Lufthansa
6.8
Okay
8,177 reviews

Crew

7.6

Overall

6.8

Comfort

6.8

Boarding

7.0

Entertainment

6.5

Food

6.3

Reviews

1 / 20
6.0
Good

Kunal,Jul 2026

LAX - MUC

The flight was delayed from Munich to Thira, the wait was very annoying and frustrating
Lufthansa
6.8
Okay
8,177 reviews
Lufthansa
6.8
Okay
8,177 reviews

Crew

7.6

Overall

6.8

Comfort

6.8

Boarding

7.0

Entertainment

6.5

Food

6.3

Reviews

1 / 20
6.0
Good

Kunal,Jul 2026

LAX - MUC

The flight was delayed from Munich to Thira, the wait was very annoying and frustrating

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 Delta can get you from St. Louis to Belgrade in just under 14h 15m. Your travel time can differ by up to 3h 19m. The distance from St. Louis to Belgrade is about 5231 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from St. Louis to Belgrade round-trip?

    Lufthansa, at $602, was found to be the cheapest airline from St. Louis to Belgrade.. Lufthansa is 40% 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 $630). Flying from St. Louis to Belgrade in June is currently the most expensive (average of $1,348). 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

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Kansas City to Belgrade flights

Top airline flying from St. Louis to Belgrade

Discover the top airline 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 August 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$602Average$1,056FlexibilityNo cancel feeOn-time76%

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