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?

As of September 2026, there is 1 operator available to choose from 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.

$684 Cheap Flights from St. Louis to Serbia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Serbia

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 10:25 amSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

35h 20m2 stops Toronto Pearson Intl Vienna Intl

8:05 pm - 3:26 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

50h 21m2 stops Zurich Toronto Pearson Intl

$684Multiple Airlines

Sun, Nov 22 - Sun, Dec 6

4:05 pm - 11:30 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

48h 25m2 stops Toronto Pearson Intl Vienna Intl

6:15 am - 1:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$694Multiple Airlines

Sun, Nov 22 - Sun, Dec 6

4:05 pm - 5:35 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

42h 30m2 stops Toronto Pearson Intl Vienna Intl

6:15 am - 6:16 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

19h 01m3 stops Frankfurt am Main Toronto Pearson Intl Chicago O'Hare Intl

$704Multiple Airlines

Sun, Nov 22 - Sun, Dec 6

5:36 pm - 1:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

37h 14m2 stops Chicago O'Hare Intl Frankfurt am Main

1:40 pm - 12:24 amBEG Belgrade Nikola Tesla-STL Lambert-St Louis

40h 44m2 stops Frankfurt am Main Chicago O'Hare Intl

$736United Airlines

Sat, Oct 24 - Sat, Oct 31

3:40 pm - 12:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

14h 10m1 stop Frankfurt am Main

6:15 am - 1:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$742Lufthansa

Sun, Nov 22 - Sun, Dec 6

6:30 am - 12:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

23h 20m2 stops Newark Frankfurt am Main

6:15 am - 1:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$762United Airlines

Tue, Mar 2 - Fri, Mar 5

1:00 pm - 11:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

27h 50m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

6:15 am - 1:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$762United Airlines

Tue, Mar 2 - Fri, Mar 5

1:00 pm - 12:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

16h 50m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

6:15 am - 3:26 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

16h 11m2 stops Frankfurt am Main Toronto Pearson Intl

$769United Airlines

Tue, Mar 2 - Fri, Mar 5

6:33 am - 11:50 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

34h 17m2 stops Chicago O'Hare Intl Frankfurt am Main

6:15 am - 1:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$1,007Lufthansa

Wed, Dec 16 - Wed, Jan 13

3:30 pm - 4:05 pmSTL Lambert-St Louis-BEG Belgrade Nikola Tesla

17h 35m1 stop Frankfurt am Main

6:15 am - 2:45 pmBEG Belgrade Nikola Tesla-STL Lambert-St Louis

14h 30m1 stop Frankfurt am Main

$1,027Lufthansa

Wed, Oct 21 - Wed, Oct 28

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Air Canada flights from St. Louis to Serbia

Our best Air Canada deals on St. Louis to Serbia flight tickets

Air Canada

Dec 13

STL4:05 pmLambert-St Louis

37h 45m

2 stops

BEG12:50 pmBelgrade Nikola Tesla

Jan 4

BEG1:30 pmBelgrade Nikola Tesla

56h 56m

2 stops

STL3:26 pmLambert-St Louis

$1,015

Air Canada

Dec 14

STL4:05 pmLambert-St Louis

35h 20m

2 stops

BEG10:25 amBelgrade Nikola Tesla

Jan 4

BEG1:30 pmBelgrade Nikola Tesla

56h 56m

2 stops

STL3:26 pmLambert-St Louis

$1,094

Air Canada

Dec 16

STL1:15 pmLambert-St Louis

16h 30m

3 stops

BEG12:45 pmBelgrade Nikola Tesla

Jan 13

BEG6:50 amBelgrade Nikola Tesla

21h 57m

3 stops

STL9:47 pmLambert-St Louis

$1,183

Lufthansa flights from St. Louis to Serbia

Our best Lufthansa deals on St. Louis to Serbia flight tickets

Lufthansa

Oct 21

STL3:30 pmLambert-St Louis

17h 35m

1 stop

BEG4:05 pmBelgrade Nikola Tesla

Oct 28

BEG6:15 amBelgrade Nikola Tesla

14h 30m

1 stop

STL2:45 pmLambert-St Louis

$1,027

Lufthansa

Dec 13

STL3:40 pmLambert-St Louis

14h 10m

1 stop

BEG12:50 pmBelgrade Nikola Tesla

Jan 4

BEG1:30 pmBelgrade Nikola Tesla

55h 15m

2 stops

STL1:45 pmLambert-St Louis

$1,072

Lufthansa

Dec 16

STL3:40 pmLambert-St Louis

14h 10m

1 stop

BEG12:50 pmBelgrade Nikola Tesla

Jan 13

BEG6:15 amBelgrade Nikola Tesla

14h 30m

1 stop

STL1:45 pmLambert-St Louis

$1,116

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Sun 11/22

4:05 pm-10:25 am

2 stops35h 20m

Belgrade Nikola Tesla

Sun 12/6

8:05 pm-3:26 pm

2 stops50h 21m

$684

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Sun 11/22

4:05 pm-11:30 pm

2 stops48h 25m

Belgrade Nikola Tesla

Sun 12/6

6:15 am-1:45 pm

1 stop14h 30m

$694

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Sun 11/22

4:05 pm-5:35 pm

2 stops42h 30m

Belgrade Nikola Tesla

Sun 12/6

6:15 am-6:16 pm

3 stops19h 01m

$704

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Sat 10/24

5:36 pm-1:50 pm

2 stops37h 14m

Belgrade Nikola Tesla

Sat 10/31

1:40 pm-12:24 am

2 stops40h 44m

$736

Quickest round-trip

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Sun 11/22

3:40 pm-12:50 pm

1 stop14h 10m

Belgrade Nikola Tesla

Sun 12/6

6:15 am-1:45 pm

1 stop14h 30m

$742

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Tue 3/2

6:30 am-12:50 pm

2 stops23h 20m

Belgrade Nikola Tesla

Fri 3/5

6:15 am-1:45 pm

1 stop14h 30m

$762

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Tue 3/2

1:00 pm-11:50 pm

2 stops27h 50m

Belgrade Nikola Tesla

Fri 3/5

6:15 am-1:45 pm

1 stop14h 30m

$762

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Tue 3/2

1:00 pm-12:50 pm

2 stops16h 50m

Belgrade Nikola Tesla

Fri 3/5

6:15 am-3:26 pm

2 stops16h 11m

$769

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Wed 12/16

6:33 am-11:50 pm

2 stops34h 17m

Belgrade Nikola Tesla

Wed 1/13

6:15 am-1:45 pm

1 stop14h 30m

$1,007

St. LouisBelgrade

STL Lambert-St Louis - BEG Belgrade Nikola Tesla

STLBEG

Lambert-St Louis

Wed 10/21

3:30 pm-4:05 pm

1 stop17h 35m

Belgrade Nikola Tesla

Wed 10/28

6:15 am-2:45 pm

1 stop14h 30m

$1,027

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 December. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you are unable to visit Serbia during the month of December, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $630.

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

Best Price Found	$684
Fastest flight time	12h 40m
Direct flights	None

The best flight deal from St. Louis to Serbia found on momondo in the last 72 hours is $684

The fastest flight from St. Louis to Serbia takes 12h 40m

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?
As of September 2026, there is 1 operator available to choose from 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
Lufthansa	PriceFrom $630	Free Cancellation	Rating 6.8 8,216 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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Cheap flights from St. Louis to Serbia from $684

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 11/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from St. Louis to Serbia

Our best Air Canada deals on St. Louis to Serbia flight tickets

Lufthansa flights from St. Louis to Serbia

Our best Lufthansa deals on St. Louis to Serbia flight tickets

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

What is the cheapest month to fly to Serbia?

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

Cheap St. Louis to Serbia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from St. Louis to Serbia

Best airlines flying from St. Louis to Serbia

Compare and see reviews for airlines that fly from St. Louis to Serbia with momondo

Why use momondo?

An easier way to manage your Serbia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Serbia

Popular cities in Serbia

Popular flights according to clicks in the last 7 days on momondo

St. Louis flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

Fly your favorite airline to Serbia

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List of cabin classes available on flights landing in Serbia. Availability may vary depending on flight origin and airline.

Complete your trip to Serbia

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According to popular flight searches on momondo this year