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Cheap flights from St. Louis to Belgrade 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 Belgrade 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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Find the cheapest flights from St. Louis to Belgrade

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
Find Deal
mié., dic. 3 - dom., dic. 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
mié., dic. 3 - dom., dic. 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
mié., dic. 3 - dom., dic. 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
mié., dic. 3 - dom., dic. 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
mié., dic. 3 - dom., dic. 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
mié., dic. 3 - dom., dic. 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
dom., sep. 7 - sáb., 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
dom., sep. 7 - sáb., 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
Find Deal
dom., sep. 21 - vie., 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
Find Deal
vie., sep. 12 - jue., sep. 18

Lufthansa flights from St. Louis to Belgrade

Our best Lufthansa deals on St. Louis to Belgrade 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 Belgrade

Our best United Airlines deals on St. Louis to Belgrade 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 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 julio 31, 2025.
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

mié. 12/3

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

dom. 12/7

6:15 am-1:55 pm

1 stop14h 40m

$682

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mié. 12/3

8:30 am-12:50 pm

2 stops21h 20m

Belgrade Nikola Tesla

dom. 12/7

6:15 am-1:55 pm

1 stop14h 40m

$686

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mié. 12/3

10:00 am-12:50 pm

2 stops19h 50m

Belgrade Nikola Tesla

dom. 12/7

6:15 am-1:55 pm

1 stop14h 40m

$687

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mié. 12/3

11:50 am-12:50 pm

2 stops18h 00m

Belgrade Nikola Tesla

dom. 12/7

1:40 pm-3:29 pm

2 stops32h 49m

$693

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mié. 12/3

1:00 pm-12:50 pm

2 stops16h 50m

Belgrade Nikola Tesla

dom. 12/7

6:15 am-9:58 pm

2 stops22h 43m

$696

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

mié. 12/3

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

dom. 12/7

6:15 am-1:55 pm

1 stop14h 40m

$719

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

dom. 9/7

4:05 pm-3:45 pm

2 stops40h 40m

Belgrade Nikola Tesla

sáb. 9/27

6:10 am-3:44 pm

2 stops16h 34m

$734

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

dom. 9/7

4:05 pm-3:45 pm

2 stops40h 40m

Belgrade Nikola Tesla

sáb. 9/27

4:45 pm-1:30 pm

1 stop27h 45m

$748

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

dom. 9/21

5:30 pm-8:30 am

2 stops32h 00m

Belgrade Nikola Tesla

vie. 10/17

12:50 am-2:27 pm

2 stops20h 37m

$1,238

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

vie. 9/12

3:20 pm-8:30 am

2 stops34h 10m

Belgrade Nikola Tesla

jue. 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 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 day to depart on your flight to Belgrade?

On average, the least expensive day to fly to Belgrade from St. Louis is on a Monday. momondo users have found tickets for Monday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,090. These prices are subject to change though, so be sure to set up a Price Alert for flights to Belgrade.

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

Best Price Found

$682

Fastest flight time

14h 00m

Direct flights

None

Airports in Belgrade

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

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.

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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