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Cheap flights from St. Louis to Belgrade from $347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Belgrade departing on 4/15. 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
0 bags

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Find the cheapest flights from St. Louis to Belgrade

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:15 am - 12:30 pm
STL
-
BEG
23h 15m
2 stops
Lufthansa Logo
6:10 am - 8:54 pm
BEG
-
STL
21h 44m
2 stops
$713Lufthansa
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
4:05 pm - 4:05 pm
STL
-
BEG
17h 00m
2 stops
Multiple Airlines Logo
1:10 pm - 8:05 pm
BEG
-
STL
37h 55m
2 stops
$721Multiple Airlines
Wed, Apr 22 - Thu, Apr 30
United Airlines Logo
6:15 am - 12:45 pm
STL
-
BEG
23h 30m
3 stops
United Airlines Logo
1:40 pm - 3:24 pm
BEG
-
STL
32h 44m
2 stops
$732United Airlines
Wed, Apr 22 - Wed, Apr 29
Delta Logo
6:32 am - 11:55 am
STL
-
BEG
22h 23m
2 stops
Delta Logo
12:35 pm - 11:36 pm
BEG
-
STL
18h 01m
2 stops
$763Delta
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
4:05 pm - 10:05 pm
STL
-
BEG
23h 00m
2 stops
Multiple Airlines Logo
6:15 am - 12:06 pm
BEG
-
STL
36h 51m
2 stops
$765Multiple Airlines
Fri, Apr 24 - Fri, May 1
Lufthansa Logo
6:15 am - 12:30 pm
STL
-
BEG
23h 15m
2 stops
Lufthansa Logo
6:10 am - 1:25 pm
BEG
-
STL
14h 15m
1 stop
$788Lufthansa
Wed, Apr 22 - Wed, Apr 29
Lufthansa Logo
3:30 pm - 4:05 pm
STL
-
BEG
17h 35m
1 stop
Lufthansa Logo
1:40 pm - 12:06 pm
BEG
-
STL
29h 26m
2 stops
$825Lufthansa
Wed, Apr 22 - Thu, Apr 30
Multiple Airlines Logo
3:30 pm - 4:05 pm
STL
-
BEG
17h 35m
1 stop
Multiple Airlines Logo
7:00 am - 8:02 pm
BEG
-
STL
20h 02m
2 stops
$852Multiple Airlines
Wed, Jul 22 - Wed, Aug 19
Lufthansa Logo
6:15 am - 3:45 pm
STL
-
BEG
26h 30m
2 stops
Lufthansa Logo
5:50 am - 7:51 pm
BEG
-
STL
21h 01m
2 stops
$854Lufthansa
Fri, Apr 24 - Fri, May 1
Air Canada Logo
8:55 am - 4:30 pm
STL
-
BEG
24h 35m
2 stops
Air Canada Logo
6:10 am - 6:27 pm
BEG
-
STL
43h 17m
2 stops
$856Air Canada
Wed, Jul 22 - Wed, Aug 19

Lufthansa flights from St. Louis to Belgrade

Our best Lufthansa deals on St. Louis to Belgrade flight tickets
Lufthansa
Apr 22
STL6:15 amLambert-St Louis
23h 15m
2 stops
BEG12:30 pmBelgrade Nikola Tesla
Apr 29
BEG6:10 amBelgrade Nikola Tesla
21h 44m
2 stops
STL8:54 pmLambert-St Louis
$713
Lufthansa
Apr 22
STL6:15 amLambert-St Louis
23h 15m
2 stops
BEG12:30 pmBelgrade Nikola Tesla
Apr 29
BEG6:10 amBelgrade Nikola Tesla
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$788
Lufthansa
Apr 22
STL3:30 pmLambert-St Louis
17h 35m
1 stop
BEG4:05 pmBelgrade Nikola Tesla
Apr 30
BEG1:40 pmBelgrade Nikola Tesla
29h 26m
2 stops
STL12:06 pmLambert-St Louis
$825

Air Canada flights from St. Louis to Belgrade

Our best Air Canada deals on St. Louis to Belgrade flight tickets
Air Canada
Jul 22
STL8:55 amLambert-St Louis
24h 35m
2 stops
BEG4:30 pmBelgrade Nikola Tesla
Aug 19
BEG6:10 amBelgrade Nikola Tesla
43h 17m
2 stops
STL6:27 pmLambert-St Louis
$856
Air Canada
Jul 22
STL8:55 amLambert-St Louis
24h 35m
2 stops
BEG4:30 pmBelgrade Nikola Tesla
Aug 19
BEG1:40 pmBelgrade Nikola Tesla
35h 47m
2 stops
STL6:27 pmLambert-St Louis
$857
Air Canada
May 19
STL7:05 amLambert-St Louis
22h 15m
2 stops
BEG12:20 pmBelgrade Nikola Tesla
Jun 9
BEG6:15 amBelgrade Nikola Tesla
44h 50m
2 stops
STL8:05 pmLambert-St Louis
$961

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 February 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

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:30 pm

2 stops23h 15m

Belgrade Nikola Tesla

Wed 4/29

6:10 am-8:54 pm

2 stops21h 44m

$713

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

4:05 pm-4:05 pm

2 stops17h 00m

Belgrade Nikola Tesla

Thu 4/30

1:10 pm-8:05 pm

2 stops37h 55m

$721

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:45 pm

3 stops23h 30m

Belgrade Nikola Tesla

Wed 4/29

1:40 pm-3:24 pm

2 stops32h 44m

$732

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Thu 4/9

6:32 am-11:55 am

2 stops22h 23m

Belgrade Nikola Tesla

Thu 4/16

12:35 pm-11:36 pm

2 stops18h 01m

$763

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 4/24

4:05 pm-10:05 pm

2 stops23h 00m

Belgrade Nikola Tesla

Fri 5/1

6:15 am-12:06 pm

2 stops36h 51m

$765

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

6:15 am-12:30 pm

2 stops23h 15m

Belgrade Nikola Tesla

Wed 4/29

6:10 am-1:25 pm

1 stop14h 15m

$788

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 4/22

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Thu 4/30

1:40 pm-12:06 pm

2 stops29h 26m

$825

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/22

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Wed 8/19

7:00 am-8:02 pm

2 stops20h 02m

$852

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 4/24

6:15 am-3:45 pm

2 stops26h 30m

Belgrade Nikola Tesla

Fri 5/1

5:50 am-7:51 pm

2 stops21h 01m

$854

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/22

8:55 am-4:30 pm

2 stops24h 35m

Belgrade Nikola Tesla

Wed 8/19

6:10 am-6:27 pm

2 stops43h 17m

$856

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
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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 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 $736.

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 15m

Direct flights

None
The fastest flight from St. Louis to Belgrade takes 17h 15m
There are no direct flights from St. Louis to Belgrade. There are no popular flight routes from St. Louis to Belgrade.
Search flight deals

  • 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 15m, 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 $588Free CancellationRating
6.8
7,810 reviews
Search Lufthansa flights
United AirlinesPriceFrom $624Free CancellationRating
7.4
9,347 reviews
Search United Airlines flights
DeltaPriceFrom $746Free CancellationRating
7.9
8,237 reviews
Search Delta flights
KLMPriceFrom $747Free CancellationRating
7.7
1,460 reviews
Search KLM flights

Traveling to a place near Belgrade?

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

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.

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