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$562+ Cheap flights from St. Louis (STL) to Serbia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Find 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 October 31, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 12/32:07 pmSTL - BEG
2 stops38h 48mDelta
Sun 12/76:05 amBEG - STL
2 stops21h 42mDelta
Deal found 10/29$562
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:43 pmSTL - BEG
2 stops15h 12mLufthansa
Fri 11/281:30 pmBEG - STL
2 stops17h 12mLufthansa
Deal found 10/29$747
This Delta deal was found by Cheapflights users on 10/30. 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.
Fri 11/147:05 amSTL - BEG
2 stops21h 50mDelta
Fri 11/286:05 amBEG - STL
2 stops24h 18mDelta
Deal found 10/30$767
This Air Canada deal was found by Cheapflights users on 10/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:05 pmSTL - BEG
2 stops35h 25mMultiple Airlines
Fri 11/286:15 amBEG - STL
3 stops22h 25mMultiple Airlines
Deal found 10/30$967
This Lufthansa deal was found by Cheapflights users on 10/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:50 pmSTL - BEG
1 stop14h 00mLufthansa
Sun 12/76:15 amBEG - STL
1 stop14h 40mLufthansa
Deal found 10/29$992
This Delta deal was found by Cheapflights users on 10/29. 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.
Fri 11/216:40 amSTL - BEG
2 stops22h 15mDelta
Fri 11/286:05 amBEG - STL
2 stops24h 18mDelta
Deal found 10/29$1,687
This Ovago deal was found by Cheapflights users on 10/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/216:43 pmSTL - BEG
2 stops35h 02mLufthansa
Fri 11/286:15 amBEG - STL
1 stop14h 40mLufthansa
Deal found 10/29$2,218
This Air Canada deal was found by Cheapflights users on 10/30. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:31 pmSTL - BEG
3 stops17h 14mAir Canada
Fri 11/286:15 amBEG - STL
3 stops22h 25mAir Canada
Deal found 10/30$3,638

Cheap 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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$562
(Delta)

Popular in

June

Cheapest in

November

Average price

$921
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
Highest demand for flights based on searches. 14% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 31, 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 12/3

2:07 pm-11:55 am

2 stops38h 48m

Belgrade Nikola Tesla

Sun 12/7

6:05 am-8:47 pm

2 stops21h 42m

$562

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 1/4

3:50 pm-12:50 pm

1 stop14h 00m

Belgrade Nikola Tesla

Tue 1/20

1:30 pm-11:59 pm

2 stops17h 29m

$665

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 1/2

3:50 pm-12:55 pm

1 stop14h 05m

Belgrade Nikola Tesla

Wed 1/21

6:15 am-1:55 pm

1 stop14h 40m

$710

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Mon 1/5

6:35 pm-11:50 pm

2 stops22h 15m

Belgrade Nikola Tesla

Wed 1/21

6:15 am-1:55 pm

1 stop14h 40m

$722

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 11/14

6:43 pm-4:55 pm

2 stops15h 12m

Belgrade Nikola Tesla

Fri 11/28

1:30 pm-11:42 pm

2 stops17h 12m

$747

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Fri 11/14

7:05 am-11:55 am

2 stops21h 50m

Belgrade Nikola Tesla

Fri 11/28

6:05 am-11:23 pm

2 stops24h 18m

$767

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sat 1/3

6:35 pm-12:50 pm

2 stops35h 15m

Belgrade Nikola Tesla

Tue 1/20

1:50 pm-1:55 pm

1 stop31h 05m

$886

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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
No data available for this route at this time. Please check back soon.

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 October 31, 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
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,382 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,542 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. Delta provides one of the quickest options available for as low as $665. 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.

See more FAQs

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Alternative routes for St. Louis to Serbia

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$567Average$1,096FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$574Average$1,057FlexibilityNo cancel feeOn-time67%
DeltaCheapest$696Average$776FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$747Average$865FlexibilityNo cancel feeOn-time75%

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