HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Serbia

$388+ Cheap flights from St. Louis (STL) to Serbia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Serbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Serbia

Cheapest flights from St. Louis to Serbia
Explore the most affordable flight options available from St. Louis to Serbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:05 amSTL - BEG
2 stops34h 20mDelta
Mon 1/512:35 pmBEG - STL
2 stops41h 50mDelta
Deal found 12/15$1,788
This Air France deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/245:55 pmSTL - BEG
2 stops23h 00mMultiple Airlines
Wed 1/76:05 amBEG - STL
2 stops17h 40mMultiple Airlines
Deal found 12/16$1,794
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:43 pmSTL - BEG
2 stops37h 12mDelta
Tue 1/66:05 amBEG - STL
2 stops21h 38mDelta
Deal found 12/15$1,797
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:02 pmSTL - BEG
2 stops45h 23mDelta
Mon 1/512:35 pmBEG - STL
2 stops38h 31mDelta
Deal found 12/17$1,808
This Gurufare deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/246:35 pmSTL - BEG
2 stops35h 10mLufthansa
Wed 1/75:50 pmBEG - STL
2 stops36h 08mLufthansa
Deal found 12/15$1,809
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:02 pmSTL - BEG
2 stops45h 23mDelta
Wed 1/76:05 amBEG - STL
2 stops17h 32mDelta
Deal found 12/15$1,912
This Delta deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/215:59 pmSTL - BEG
2 stops58h 56mDelta
Tue 1/66:05 amBEG - STL
2 stops24h 34mDelta
Deal found 12/17$1,913
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/221:22 pmSTL - BEG
2 stops15h 33mDelta
Tue 1/66:05 amBEG - STL
2 stops21h 38mDelta
Deal found 12/15$2,153
This KLM deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:59 amSTL - BEG
2 stops16h 56mKLM
Tue 1/66:05 amBEG - STL
2 stops21h 38mKLM
Deal found 12/16$2,229
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/203:43 pmSTL - BEG
2 stops48h 42mDelta
Wed 1/76:05 amBEG - STL
2 stops17h 40mDelta
Deal found 12/15$2,239

Find flight deals from St. Louis to Serbia

Keep the following information in mind while searching for St. Louis to Serbia flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$547
(FlightHub)

One-way from

$388
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$1,008
Provider with most accurate pricing for Lambert-St Louis-Belgrade Nikola Tesla flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Belgrade Nikola Tesla flights.
Search Deals
From Lambert-St Louis to Serbia
Search Deals
One-way flight from Lambert-St Louis to Serbia
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($194 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
Use the filters below to find and compare flights from St. Louis to Serbia that are best for you.

Fly from

St. Louis

Fly to

Serbia

Route

Depart

Return

Price

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 1/14

11:22 am-12:45 pm

2 stops18h 23m

Belgrade Nikola Tesla

Wed 1/21

1:30 pm-11:59 pm

2 stops17h 29m

$547

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 1/31

10:19 am-11:55 am

2 stops18h 36m

Belgrade Nikola Tesla

Sat 2/7

6:05 am-8:43 pm

2 stops21h 38m

$564

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 1/30

3:50 pm-12:55 pm

1 stop14h 05m

Belgrade Nikola Tesla

Tue 2/3

1:50 pm-3:15 pm

2 stops32h 25m

$576

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 1/11

6:35 am-11:55 am

2 stops22h 20m

Belgrade Nikola Tesla

Sun 1/18

6:05 am-11:25 pm

2 stops24h 20m

$730

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 1/14

9:57 am-12:50 pm

3 stops19h 53m

Belgrade Nikola Tesla

Wed 1/21

9:40 am-3:29 pm

2 stops36h 49m

$776

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 1/31

4:05 pm-7:10 pm

2 stops20h 05m

Belgrade Nikola Tesla

Sat 2/7

6:50 am-7:27 pm

3 stops19h 37m

$859

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 1/31

9:57 am-12:55 pm

3 stops19h 58m

Belgrade Nikola Tesla

Sat 2/7

6:50 am-9:13 pm

3 stops21h 23m

$1,040

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 5/19

1:00 pm-4:30 pm

2 stops20h 30m

Belgrade Nikola Tesla

Fri 5/29

1:05 pm-8:05 pm

2 stops38h 00m

$1,054

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 4/12

3:30 pm-10:35 pm

2 stops24h 05m

$388

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 4/12

3:30 pm-12:45 pm

1 stop14h 15m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from St. Louis to Serbia

Have a flexible travel schedule? Discover the best time to fly to Serbia from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Serbia

What is the cheapest month to book a flight from St. Louis to Serbia?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Serbia (average of $554). Flying from St. Louis to Serbia in June is currently the most expensive (average of $1,129). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Serbia

Get insights into the airlines that provide service to Serbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Serbia. Reviews last updated December 17, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air Canada from St. Louis to Serbia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,430 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,531 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,632 reviews
Delta
7.9
Good
8,008 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Crew

8.5

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Serbia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Serbia?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Serbia. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • How long is the flight from St. Louis to Serbia?

    A quick flight from St. Louis to Serbia can take about 14h 05m. Lufthansa provides one of the quickest options available for as low as $576. Airlines will cover a distance of 5231 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from St. Louis to Serbia that include hotel bookings?

    Yes. In addition to deals on St. Louis to Serbia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Serbia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Serbia.

  • Can I find deals for business class flights from St. Louis to Serbia?

    Yes. Cheapflights offers flight deals from St. Louis to Serbia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Serbia?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Serbia (average of $554). Flying from St. Louis to Serbia in June is currently the most expensive (average of $1,129). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Heathrow flights
Kansas City to Heathrow flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Kansas City to Dublin flights
Kansas City to Charles de Gaulle flights
St. Louis to Frankfurt flights
Kansas City to Gatwick flights
St. Louis to Charles de Gaulle flights
St. Louis to Leonardo da Vinci/Fiumicino flights
St. Louis to Dublin flights
Kansas City to Frankfurt flights
St. Louis to Gatwick flights
St. Louis to Orly flights
Kansas City to London City flights
Kansas City to Orly flights
St. Louis to London City flights
Springfield to Frankfurt flights
St. Louis to Athens flights
St. Louis to Lisbon flights
St. Louis to Barcelona-El Prat flights
Kansas City to Barcelona-El Prat flights
Kansas City to Athens flights
Kansas City to Madrid flights
St. Louis to Zagreb flights
Kansas City to Vicenza flights
St. Louis to Zurich flights
St. Louis to Amsterdam flights
Kansas City to Edinburgh flights
Kansas City to Amsterdam flights
St. Louis to Istanbul flights
Kansas City to Lisbon flights
Kansas City to Malpensa flights
Kansas City to Prague flights
Springfield to Istanbul flights
Springfield to Heathrow flights
Kansas City to Berlin flights
St. Louis to Malpensa flights
St. Louis to Edinburgh flights
Kansas City to Istanbul flights
Kansas City to Stansted flights
Kansas City to Copenhagen flights
Kansas City to Linate flights
Kansas City to Zurich flights
St. Louis to Bruxelles-National flights
St. Louis to Cork flights
St. Louis to Shannon flights
Kansas City to Sabiha Gokcen flights
St. Louis to Sabiha Gokcen flights
St. Louis to Madrid flights
Kansas City to Frederic Chopin flights

Top 4 airlines flying from St. Louis to Serbia

Discover the top 4 airlines that operate flights from St. Louis to Serbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$567Average$1,099FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$574Average$1,057FlexibilityNo cancel feeOn-time67%
DeltaCheapest$746Average$765FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$747Average$815FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.