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Cheap flights from St. Louis to Serbia from $822

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 Serbia departing on 8/10. 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 Serbia

Cheap round-trip flights

Enter your travel dates to find the best prices.
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 - 4:05 pm
STL
-
BEG
20h 06m
2 stops
Lufthansa Logo
5:15 pm - 9:21 pm
BEG
-
STL
35h 06m
2 stops
$861Lufthansa
Tue, Sep 8 - Mon, Oct 12
Lufthansa Logo
3:30 pm - 12:25 pm
STL
-
BEG
13h 55m
1 stop
Lufthansa Logo
5:15 pm - 9:21 pm
BEG
-
STL
35h 06m
2 stops
$863Lufthansa
Tue, Sep 8 - Mon, Oct 12
Lufthansa Logo
12:59 pm - 11:35 pm
STL
-
BEG
27h 36m
2 stops
Lufthansa Logo
5:15 pm - 9:21 pm
BEG
-
STL
35h 06m
2 stops
$865Lufthansa
Tue, Sep 8 - Mon, Oct 12
Lufthansa Logo
3:30 pm - 4:05 pm
STL
-
BEG
17h 35m
1 stop
Lufthansa Logo
5:15 pm - 3:43 pm
BEG
-
STL
53h 28m
2 stops
$871Lufthansa
Tue, Sep 8 - Mon, Oct 12
Lufthansa Logo
3:30 pm - 4:05 pm
STL
-
BEG
17h 35m
1 stop
Lufthansa Logo
4:55 pm - 1:25 pm
BEG
-
STL
27h 30m
1 stop
$875Lufthansa
Tue, Sep 8 - Mon, Oct 12
Lufthansa Logo
7:05 pm - 10:05 pm
STL
-
BEG
20h 00m
2 stops
Lufthansa Logo
1:05 pm - 9:17 pm
BEG
-
STL
15h 12m
2 stops
$885Lufthansa
Mon, Aug 10 - Wed, Aug 26

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Lufthansa flights from St. Louis to Serbia

Our best Lufthansa deals on St. Louis to Serbia 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 Serbia

Our best United Airlines deals on St. Louis to Serbia flight tickets
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
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
$882
United Airlines
Sep 8
STL3:30 pmLambert-St Louis
13h 55m
1 stop
BEG12:25 pmBelgrade Nikola Tesla
Oct 12
BEG6:10 amBelgrade Nikola Tesla
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$923

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Serbia 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 27, 2026.
Use the filters below to find and compare flights from St. Louis to Serbia 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 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
Quickest round-trip

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

Tue 9/8

12:59 pm-4:05 pm

2 stops20h 06m

Belgrade Nikola Tesla

Mon 10/12

5:15 pm-9:21 pm

2 stops35h 06m

$861

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 9/8

3:30 pm-12:25 pm

1 stop13h 55m

Belgrade Nikola Tesla

Mon 10/12

5:15 pm-9:21 pm

2 stops35h 06m

$863

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 9/8

12:59 pm-11:35 pm

2 stops27h 36m

Belgrade Nikola Tesla

Mon 10/12

5:15 pm-9:21 pm

2 stops35h 06m

$865

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 9/8

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Mon 10/12

5:15 pm-3:43 pm

2 stops53h 28m

$871

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 9/8

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Mon 10/12

4:55 pm-1:25 pm

1 stop27h 30m

$875

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

1:05 pm-9:17 pm

2 stops15h 12m

$885

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Serbia from

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

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 Serbia?

The cheapest month to fly to Serbia from St. Louis is in November. Flight prices, which tend to average around $630, are often lower during this time because this is during the off-season. If you are unable to visit Serbia 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 Serbia flights?

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

Cheap St. Louis to Serbia flight deals and tips

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

Fastest flight time

15h 20m

Direct flights

None
The fastest flight from St. Louis to Serbia takes 15h 20m
There are no direct flights from St. Louis to Serbia. There are no popular flight routes from St. Louis to Serbia.
Search flight deals

Frequently asked questions about flying from St. Louis to Serbia

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

    Prices for flights from Lambert-St Louis Airport to Serbia were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Lambert-St Louis Airport to Serbia.

  • What documentation or ID do you need to fly to Serbia?

    The necessary travel and health documents for your Serbia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Serbia

Compare and see reviews for airlines that fly from St. Louis to Serbia with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $630Free CancellationRating
6.8
8,159 reviews
Search Lufthansa flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Serbia for you.

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

Yes. momondo allows you to filter the results for St. Louis to Serbia flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Serbia from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for St. Louis to Serbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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