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Cheap flights from St. Louis to Belgrade from $759

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Belgrade departing on 12/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:40 am - 12:50 pm
STL
-
BEG
20h 10m
2 stops
United Airlines Logo
6:15 am - 1:45 pm
BEG
-
STL
14h 30m
1 stop
$759United Airlines
Mon, Dec 7 - Wed, Dec 9
United Airlines Logo
9:40 am - 12:50 pm
STL
-
BEG
20h 10m
2 stops
United Airlines Logo
1:40 pm - 3:26 pm
BEG
-
STL
32h 46m
2 stops
$766United Airlines
Mon, Dec 7 - Wed, Dec 9
United Airlines Logo
11:45 am - 12:50 pm
STL
-
BEG
18h 05m
2 stops
United Airlines Logo
1:40 pm - 3:26 pm
BEG
-
STL
32h 46m
2 stops
$767United Airlines
Mon, Dec 7 - Wed, Dec 9
Lufthansa Logo
6:50 pm - 5:10 pm
STL
-
BEG
15h 20m
2 stops
Lufthansa Logo
6:15 am - 1:45 pm
BEG
-
STL
14h 30m
1 stop
$784Lufthansa
Sat, Nov 14 - Wed, Nov 25
Lufthansa Logo
6:50 pm - 5:10 pm
STL
-
BEG
15h 20m
2 stops
Lufthansa Logo
6:15 am - 11:15 pm
BEG
-
STL
24h 00m
2 stops
$791Lufthansa
Sat, Nov 14 - Wed, Nov 25
Lufthansa Logo
7:05 pm - 10:05 pm
STL
-
BEG
20h 00m
2 stops
Lufthansa Logo
6:10 am - 1:25 pm
BEG
-
STL
14h 15m
1 stop
$822Lufthansa
Mon, Aug 10 - Wed, Aug 26
Lufthansa Logo
3:30 pm - 12:45 pm
STL
-
BEG
14h 15m
1 stop
Lufthansa Logo
6:15 am - 3:43 pm
BEG
-
STL
16h 28m
2 stops
$846Lufthansa
Wed, Sep 9 - Wed, Sep 30
Lufthansa Logo
3:30 pm - 4:05 pm
STL
-
BEG
17h 35m
1 stop
Lufthansa Logo
6:15 am - 3:43 pm
BEG
-
STL
16h 28m
2 stops
$847Lufthansa
Wed, Sep 9 - Wed, Sep 30
Lufthansa Logo
12:59 pm - 12:45 pm
STL
-
BEG
16h 46m
2 stops
Lufthansa Logo
6:15 am - 9:21 pm
BEG
-
STL
22h 06m
2 stops
$849Lufthansa
Wed, Sep 9 - Wed, Sep 30
Lufthansa Logo
12:59 pm - 12:45 pm
STL
-
BEG
16h 46m
2 stops
Lufthansa Logo
6:15 am - 9:21 pm
BEG
-
STL
22h 06m
2 stops
$851Lufthansa
Wed, Sep 9 - Wed, Sep 30

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Lufthansa flights from St. Louis to Belgrade

Our best Lufthansa deals on St. Louis to Belgrade flight tickets
Lufthansa
Nov 14
STL6:50 pmLambert-St Louis
15h 20m
2 stops
BEG5:10 pmBelgrade Nikola Tesla
Nov 25
BEG6:15 amBelgrade Nikola Tesla
14h 30m
1 stop
STL1:45 pmLambert-St Louis
$784
Lufthansa
Nov 14
STL6:50 pmLambert-St Louis
15h 20m
2 stops
BEG5:10 pmBelgrade Nikola Tesla
Nov 25
BEG6:15 amBelgrade Nikola Tesla
24h 00m
2 stops
STL11:15 pmLambert-St Louis
$791
Lufthansa
Aug 10
STL7:05 pmLambert-St Louis
20h 00m
2 stops
BEG10:05 pmBelgrade Nikola Tesla
Aug 26
BEG6:10 amBelgrade Nikola Tesla
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$822

United Airlines flights from St. Louis to Belgrade

Our best United Airlines deals on St. Louis to Belgrade flight tickets
United Airlines
Dec 7
STL9:40 amLambert-St Louis
20h 10m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 9
BEG6:15 amBelgrade Nikola Tesla
14h 30m
1 stop
STL1:45 pmLambert-St Louis
$759
United Airlines
Dec 7
STL9:40 amLambert-St Louis
20h 10m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 9
BEG1:40 pmBelgrade Nikola Tesla
32h 46m
2 stops
STL3:26 pmLambert-St Louis
$766
United Airlines
Dec 7
STL11:45 amLambert-St Louis
18h 05m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 9
BEG1:40 pmBelgrade Nikola Tesla
32h 46m
2 stops
STL3:26 pmLambert-St Louis
$767

momondo 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, momondo users made 832,500 searches. Data last updated July 26, 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

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 12/7

9:40 am-12:50 pm

2 stops20h 10m

Belgrade Nikola Tesla

Wed 12/9

6:15 am-1:45 pm

1 stop14h 30m

$759

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 12/7

9:40 am-12:50 pm

2 stops20h 10m

Belgrade Nikola Tesla

Wed 12/9

1:40 pm-3:26 pm

2 stops32h 46m

$766

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 12/7

11:45 am-12:50 pm

2 stops18h 05m

Belgrade Nikola Tesla

Wed 12/9

1:40 pm-3:26 pm

2 stops32h 46m

$767
Quickest round-trip

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 11/14

6:50 pm-5:10 pm

2 stops15h 20m

Belgrade Nikola Tesla

Wed 11/25

6:15 am-1:45 pm

1 stop14h 30m

$784

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 11/14

6:50 pm-5:10 pm

2 stops15h 20m

Belgrade Nikola Tesla

Wed 11/25

6:15 am-11:15 pm

2 stops24h 00m

$791

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 8/10

7:05 pm-10:05 pm

2 stops20h 00m

Belgrade Nikola Tesla

Wed 8/26

6:10 am-1:25 pm

1 stop14h 15m

$822

St. LouisBelgrade

STL - BEG

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

$846

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-3:43 pm

2 stops16h 28m

$847

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

12:59 pm-12:45 pm

2 stops16h 46m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-9:21 pm

2 stops22h 06m

$849

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 9/9

12:59 pm-12:45 pm

2 stops16h 46m

Belgrade Nikola Tesla

Wed 9/30

6:15 am-9:21 pm

2 stops22h 06m

$851

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Belgrade from

How to get the cheapest flight ticket from St. Louis to Belgrade

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Belgrade?

Prices are currently low for flights on this route.

Typical prices usually range from $1,107 to $1,682.
The lowest price recently found on this route was $759.

What is the cheapest month to fly to Belgrade?

The month of November is, on average, the cheapest month to fly to Belgrade from St. Louis, with most prices found around $630. If you are unable to visit Belgrade during the month of November, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $746.

Can stopping save me money on St. Louis to Belgrade flights?

You could potentially save up to 30% on your flight if you consider stops on a St. Louis to Belgrade flight.

When to book flights from St. Louis to Belgrade

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Belgrade according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Belgrade (STL to BEG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Belgrade

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from St. Louis to Belgrade takes 17h 35m
There are no direct flights from St. Louis to Belgrade. There are no popular flight routes from St. Louis to Belgrade.
Search flight deals

Frequently asked questions about flying from St. Louis to Belgrade

  • How far is Lambert-St Louis to Belgrade Nikola Tesla by plane?

    There are 5237.0 mi between Lambert-St Louis and Belgrade Nikola Tesla. Flights usually cover this in 17h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?

    Prices for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Belgrade Nikola Tesla Airport.

  • What documentation or ID do you need to fly to Belgrade Nikola Tesla Airport?

    The travel and health documents required for your trip to Belgrade Nikola Tesla Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belgrade Nikola Tesla Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from St. Louis to Belgrade?

Best airlines flying from St. Louis to Belgrade

Compare and see reviews for airlines that fly from St. Louis to Belgrade with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $630Free CancellationRating
6.8
8,157 reviews
Search Lufthansa flights

Traveling to a place near Belgrade?

Book flights to Belgrade if you plan to visit one of these locations
Subotica
Novi Sad

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Belgrade?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Belgrade. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from St. Louis to Belgrade with flexible booking policies on momondo?

momondo does allow users to show only those flights to Belgrade from St. Louis which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from St. Louis to Belgrade?

Once all potential St. Louis to Belgrade flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Belgrade right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of St. Louis to Belgrade flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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