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Cheap flights from St. Louis to Serbia from $682

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 12/3. 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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Cheap round-trip flights

Lufthansa Logo
3:50 pm - 12:50 pmSTL-BEG
14h 00m1 stop
Lufthansa Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$682Lufthansa
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Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
8:30 am - 12:50 pmSTL-BEG
21h 20m2 stops
United Airlines Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$686United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
10:00 am - 12:50 pmSTL-BEG
19h 50m2 stops
United Airlines Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$687United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
11:50 am - 12:50 pmSTL-BEG
18h 00m2 stops
United Airlines Logo
1:40 pm - 3:29 pmBEG-STL
32h 49m2 stops
$693United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
1:00 pm - 12:50 pmSTL-BEG
16h 50m2 stops
United Airlines Logo
6:15 am - 9:58 pmBEG-STL
22h 43m2 stops
$696United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Lufthansa Logo
3:50 pm - 12:50 pmSTL-BEG
14h 00m1 stop
Lufthansa Logo
6:15 am - 1:55 pmBEG-STL
14h 40m1 stop
$719Lufthansa
Find Deal
Wed, Dec 3 - Sun, Dec 7
Logo
4:05 pm - 3:45 pmSTL-BEG
40h 40m2 stops
Logo
6:10 am - 3:44 pmBEG-STL
16h 34m2 stops
$734
Find Deal
Sun, Sep 7 - Sat, Sep 27
Logo
4:05 pm - 3:45 pmSTL-BEG
40h 40m2 stops
Logo
4:45 pm - 1:30 pmBEG-STL
27h 45m1 stop
$748
Find Deal
Sun, Sep 7 - Sat, Sep 27
Turkish Airlines Logo
5:30 pm - 8:30 amSTL-BEG
32h 00m2 stops
Turkish Airlines Logo
12:50 am - 2:27 pmBEG-STL
20h 37m2 stops
$1,238Turkish Airlines
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Sun, Sep 21 - Fri, Oct 17
Turkish Airlines Logo
3:20 pm - 8:30 amSTL-BEG
34h 10m2 stops
Turkish Airlines Logo
12:50 am - 2:19 pmBEG-STL
20h 29m2 stops
$1,346Turkish Airlines
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Fri, Sep 12 - Thu, Sep 18

Lufthansa flights from St. Louis to Serbia

Our best Lufthansa deals on St. Louis to Serbia flight tickets
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
14h 00m
1 stop
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG6:15 amBelgrade Nikola Tesla
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$682
Find similar
Lufthansa
Dec 3
STL3:50 pmLambert-St Louis
14h 00m
1 stop
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG6:15 amBelgrade Nikola Tesla
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$719
Find similar
Lufthansa
Sep 7
STL3:30 pmLambert-St Louis
25h 25m
1 stop
BEG11:55 pmBelgrade Nikola Tesla
Sep 27
BEG4:45 pmBelgrade Nikola Tesla
27h 45m
1 stop
STL1:30 pmLambert-St Louis
$815
Find similar

United Airlines flights from St. Louis to Serbia

Our best United Airlines deals on St. Louis to Serbia flight tickets
United Airlines
Dec 3
STL8:30 amLambert-St Louis
21h 20m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG6:15 amBelgrade Nikola Tesla
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$686
Find similar
United Airlines
Dec 3
STL10:00 amLambert-St Louis
19h 50m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG6:15 amBelgrade Nikola Tesla
14h 40m
1 stop
STL1:55 pmLambert-St Louis
$687
Find similar
United Airlines
Dec 3
STL11:50 amLambert-St Louis
18h 00m
2 stops
BEG12:50 pmBelgrade Nikola Tesla
Dec 7
BEG1:40 pmBelgrade Nikola Tesla
32h 49m
2 stops
STL3:29 pmLambert-St Louis
$693
Find similar

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 31, 2025.
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

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$682

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

8:30 am-12:50 pm

2 stops21h 20m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$686

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

10:00 am-12:50 pm

2 stops19h 50m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$687

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

11:50 am-12:50 pm

2 stops18h 00m

Belgrade Nikola Tesla

Sun 12/7

1:40 pm-3:29 pm

2 stops32h 49m

$693

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

1:00 pm-12:50 pm

2 stops16h 50m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-9:58 pm

2 stops22h 43m

$696

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 12/3

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Sun 12/7

6:15 am-1:55 pm

1 stop14h 40m

$719

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 9/7

4:05 pm-3:45 pm

2 stops40h 40m

Belgrade Nikola Tesla

Sat 9/27

6:10 am-3:44 pm

2 stops16h 34m

$734

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 9/7

4:05 pm-3:45 pm

2 stops40h 40m

Belgrade Nikola Tesla

Sat 9/27

4:45 pm-1:30 pm

1 stop27h 45m

$748

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 9/21

5:30 pm-8:30 am

2 stops32h 00m

Belgrade Nikola Tesla

Fri 10/17

12:50 am-2:27 pm

2 stops20h 37m

$1,238

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 9/12

3:20 pm-8:30 am

2 stops34h 10m

Belgrade Nikola Tesla

Thu 9/18

12:50 am-2:19 pm

2 stops20h 29m

$1,346

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 day to depart on your flight to Serbia?

According to our data, Monday is the cheapest day to fly to Serbia from St. Louis. The lowest ticket price found for a Monday departure recently was $894. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Serbia is Sunday, with ticket prices averaging around $1,090.

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

Best Price Found

$682

Fastest flight time

14h 00m

Direct flights

None

Airports in Serbia

1 airport
The best flight deal from St. Louis to Serbia found on momondo in the last 72 hours is $682
The fastest flight from St. Louis to Serbia takes 14h 00m
There are no direct flights from St. Louis to Serbia. Popular non-direct route for this connection is Lambert-St Louis Airport - Belgrade Nikola Tesla Airport.
There is 1 airport near Serbia: Belgrade Nikola Tesla (BEG)
Search flight deals

  • 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
Air CanadaPriceFrom $574Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
DeltaPriceFrom $696Free CancellationRating
8.0
7,981 reviews
Search Delta flights
KLMPriceFrom $747Free CancellationRating
7.8
1,383 reviews
Search KLM flights
LufthansaPriceFrom $753Free CancellationRating
6.8
7,275 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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