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

Air Canada, at $640, was found to be the cheapest airline from St. Louis to Belgrade.Alternate airlines to your destination round-trip include Lufthansa and Delta. Air Canada is 33% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from St. Louis to Belgrade?

Travelers seeking maximum savings on their St. Louis to Belgrade flight should consider departing on Monday afternoons when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from St. Louis to Belgrade?

Before booking your flight from St. Louis to Belgrade check out the most popular airlines for this route: Air Canada, Delta or KLM.

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

It’s generally more expensive to depart on a Sunday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from St. Louis to Belgrade?

Our data shows that February tends to be the cheapest month to fly to Belgrade from St. Louis. Users have commonly found prices around $962 for the month, but tickets can be as low as $700. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from STL to BEG?

One of the essential ways to save on airfare from St. Louis to Belgrade is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 9% on airfare.

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.

$640+ Flights from St. Louis to Belgrade

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Cheap flight deals from St. Louis to Belgrade

Round-trip from	$640 (Expedia)
Popular in	June
Cheapest in	February
Average price	$1,217

From Lambert-St Louis to Belgrade Nikola Tesla

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($160 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

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Find 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 junio 12, 2025.

sáb. 7/264:05 pmSTL - BEG

2 stops41h 20mAir Canada

vie. 8/226:05 amBEG - STL

2 stops44h 55mAir Canada

Deal found 6/11

$640

mar. 8/51:30 pmSTL - BEG

2 stops26h 45mMultiple Airlines

mar. 9/26:10 amBEG - STL

2 stops20h 47mMultiple Airlines

Deal found 6/10

$694

mar. 7/295:31 pmSTL - BEG

2 stops22h 44mLufthansa

lun. 8/185:10 pmBEG - STL

2 stops29h 34mLufthansa

Deal found 6/11

$696

vie. 7/255:37 pmSTL - BEG

2 stops22h 18mDelta

vie. 8/226:00 amBEG - STL

2 stops22h 27mDelta

Deal found 6/12

$730

mar. 8/58:00 amSTL - BEG

2 stops17h 30mTurkish Airlines

lun. 9/112:50 amBEG - STL

2 stops20h 29mTurkish Airlines

Deal found 6/10

$1,092

dom. 8/33:30 pmSTL - BEG

1 stop14h 40mUnited Airlines

sáb. 8/161:40 pmBEG - STL

1 stop30h 50mUnited Airlines

Deal found 6/11

$1,542

Best flights from St. Louis to Belgrade
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 junio 12, 2025.

sáb. 7/264:05 pmSTL - BEG

2 stops41h 20mAir Canada

vie. 8/226:05 amBEG - STL

2 stops44h 55mAir Canada

Deal found 6/11

$640

mar. 8/51:30 pmSTL - BEG

2 stops26h 45mMultiple Airlines

mar. 9/26:10 amBEG - STL

2 stops20h 47mMultiple Airlines

Deal found 6/10

$694

mar. 7/295:31 pmSTL - BEG

2 stops22h 44mLufthansa

lun. 8/185:10 pmBEG - STL

2 stops29h 34mLufthansa

Deal found 6/11

$696

vie. 7/255:37 pmSTL - BEG

2 stops22h 18mDelta

vie. 8/226:00 amBEG - STL

2 stops22h 27mDelta

Deal found 6/12

$730

mar. 8/58:00 amSTL - BEG

2 stops17h 30mTurkish Airlines

lun. 9/112:50 amBEG - STL

2 stops20h 29mTurkish Airlines

Deal found 6/10

$1,092

dom. 8/33:30 pmSTL - BEG

1 stop14h 40mUnited Airlines

sáb. 8/161:40 pmBEG - STL

1 stop30h 50mUnited Airlines

Deal found 6/11

$1,542

Last-minute flights from St. Louis to Belgrade
Discover last-minute flight deals from St. Louis to Belgrade. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/171:10 pmSTL - BEG

2 stops19h 45mLufthansa

mar. 7/156:10 amBEG - STL

2 stops16h 37mLufthansa

Deal found 6/11

$1,884

sáb. 6/212:30 pmSTL - BEG

3 stops40h 25mMultiple Airlines

mié. 7/309:25 amBEG - STL

3 stops31h 27mMultiple Airlines

Deal found 6/10

$1,616

vie. 7/255:37 pmSTL - BEG

2 stops22h 18mDelta

vie. 8/226:00 amBEG - STL

2 stops22h 27mDelta

Deal found 6/12

$730

sáb. 7/264:05 pmSTL - BEG

2 stops41h 20mAir Canada

vie. 8/226:05 amBEG - STL

2 stops44h 55mAir Canada

Deal found 6/11

$640

mar. 7/295:31 pmSTL - BEG

2 stops22h 44mLufthansa

lun. 8/185:10 pmBEG - STL

2 stops29h 34mLufthansa

Deal found 6/11

$696

mar. 7/299:15 amSTL - BEG

2 stops24h 10mMultiple Airlines

vie. 8/156:05 amBEG - STL

2 stops23h 40mMultiple Airlines

Deal found 6/12

$726

Cheapflights Fare Finder

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

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

sáb. 7/26

4:05 pm-4:25 pm

2 stops41h 20m

Belgrade Nikola Tesla

vie. 8/22

6:05 am-8:00 pm

2 stops44h 55m

$640

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mar. 8/5

1:30 pm-11:15 pm

2 stops26h 45m

Belgrade Nikola Tesla

mar. 9/2

6:10 am-7:57 pm

2 stops20h 47m

$694

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mar. 7/29

5:31 pm-11:15 pm

2 stops22h 44m

Belgrade Nikola Tesla

lun. 8/18

5:10 pm-3:44 pm

2 stops29h 34m

$696

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

vie. 7/25

5:37 pm-10:55 pm

2 stops22h 18m

Belgrade Nikola Tesla

vie. 8/22

6:00 am-9:27 pm

2 stops22h 27m

$730

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mar. 8/5

8:00 am-8:30 am

2 stops17h 30m

Belgrade Nikola Tesla

lun. 9/1

12:50 am-2:19 pm

2 stops20h 29m

$1,092

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

dom. 8/3

3:30 pm-1:10 pm

1 stop14h 40m

Belgrade Nikola Tesla

sáb. 8/16

1:40 pm-1:30 pm

1 stop30h 50m

$1,542

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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, January is the cheapest month in which you can book a flight from St. Louis to Belgrade (average of $688). Flying from St. Louis to Belgrade 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 Belgrade by month

In terms of precipitation, rainfall in Belgrade 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 Belgrade when rainfall is around 1.6 in.

Temperature in Belgrade by month

If weather is an important factor for your trip to Belgrade, 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 Belgrade

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Turkish Airlines

7.3

Good

3,848 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,531 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Lufthansa

6.8

Okay

7,136 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from St. Louis to Belgrade round-trip?
Air Canada, at $640, was found to be the cheapest airline from St. Louis to Belgrade.Alternate airlines to your destination round-trip include Lufthansa and Delta. Air Canada is 33% 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, January is the cheapest month in which you can book a flight from St. Louis to Belgrade (average of $688). Flying from St. Louis to Belgrade 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for St. Louis to Belgrade

Kansas City to Belgrade flights

Other flights to Belgrade

Top 5 airlines flying from St. Louis to Belgrade

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$574	Average$1,057	FlexibilityNo cancel fee	On-time67%
United Airlines	Cheapest$661	Average$1,000	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$696	Average$991	FlexibilityNo cancel fee	On-timeN/A
KLM	Cheapest$747	Average$969	FlexibilityNo cancel fee	On-time75%
Lufthansa	Cheapest$795	Average$1,088	FlexibilityNo cancel fee	On-time76%

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$640+ 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 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 Belgrade with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to Belgrade

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to Belgrade

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 junio 12, 2025.

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 junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Belgrade that are best for you.

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.

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?

Rainfall in Belgrade by month

Plan your trip to Belgrade by taking into account the average rainfall totals by month.

Temperature in Belgrade by month

Plan your trip to Belgrade by taking into account the average temperature totals by month.

Reviews of airlines servicing Belgrade

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.

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Belgrade

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Belgrade

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Book with Flexibility

Travel Smart

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 junio 12, 2025.