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$830+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BEG
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$830
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$842
Provider with most accurate pricing for Lambert-St Louis-Belgrade Nikola Tesla flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Belgrade Nikola Tesla flights.
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From Lambert-St Louis to Serbia
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Highest demand for flights based on searches. 17% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:25 amSTL - BEG
2 stops20h 00mMultiple Airlines
Tue 5/69:25 amBEG - STL
2 stops17h 33mMultiple Airlines
Deal found 3/30$830
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:39 amSTL - BEG
2 stops19h 56mUnited Airlines
Tue 5/66:10 amBEG - STL
3 stops41h 42mUnited Airlines
Deal found 3/30$836
This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:35 pmSTL - BEG
2 stops23h 20mLufthansa
Tue 5/61:30 pmBEG - STL
1 stop31h 00mLufthansa
Deal found 3/30$854
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/91:30 pmSTL - BEG
2 stops15h 45mKLM
Tue 8/126:00 amBEG - STL
2 stops15h 16mKLM
Deal found 3/30$1,004
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 7/66:30 amSTL - BEG
2 stops22h 25mDelta
Tue 8/126:00 amBEG - STL
2 stops15h 16mDelta
Deal found 3/30$1,005
This Justfly.com deal was found by Cheapflights users on 3/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/57:30 amSTL - BEG
2 stops25h 55mAir Canada
Sat 6/146:10 amBEG - STL
2 stops37h 26mAir Canada
Deal found 3/31$1,303
This Turkish Airlines deal was found by Cheapflights users on 3/31. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/58:10 amSTL - BEG
2 stops24h 00mTurkish Airlines
Fri 6/1312:50 amBEG - STL
2 stops28h 55mTurkish Airlines
Deal found 3/31$1,826

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 March 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

Tue 4/29

7:25 am-10:25 am

2 stops20h 00m

Belgrade Nikola Tesla

Tue 5/6

9:25 am-7:58 pm

2 stops17h 33m

$830

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 4/29

9:39 am-12:35 pm

2 stops19h 56m

Belgrade Nikola Tesla

Tue 5/6

6:10 am-4:52 pm

3 stops41h 42m

$836

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Tue 4/29

5:35 pm-11:55 pm

2 stops23h 20m

Belgrade Nikola Tesla

Tue 5/6

1:30 pm-1:30 pm

1 stop31h 00m

$854

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Wed 7/9

1:30 pm-12:15 pm

2 stops15h 45m

Belgrade Nikola Tesla

Tue 8/12

6:00 am-2:16 pm

2 stops15h 16m

$1,004

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Sun 7/6

7:00 am-11:55 am

2 stops21h 55m

Belgrade Nikola Tesla

Thu 8/14

6:00 am-4:47 pm

2 stops17h 47m

$1,005

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Thu 6/5

7:30 am-4:25 pm

2 stops25h 55m

Belgrade Nikola Tesla

Sat 6/14

6:10 am-12:36 pm

2 stops37h 26m

$1,303

St. LouisBelgrade

STL - BEG

STLBEG

Lambert-St Louis

Thu 6/5

8:10 am-3:10 pm

2 stops24h 00m

Belgrade Nikola Tesla

Fri 6/13

12:50 am-10:45 pm

2 stops28h 55m

$1,826

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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, January is the cheapest month in which you can book a flight from St. Louis to Serbia (average of $688). Flying from St. Louis to Serbia in June is currently the most expensive (average of $1,186). 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.

Rainfall in Serbia by month

Plan your trip to Serbia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Serbia ranges from 1.6 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Serbia when rainfall is around 1.6 in.

Temperature in Serbia by month

Plan your trip to Serbia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Serbia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,614 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,748 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,001 reviews
Delta
8.0
Very good
7,899 reviews

Crew

8.5

Entertainment

7.9

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, January is the cheapest month in which you can book a flight from St. Louis to Serbia (average of $688). Flying from St. Louis to Serbia in June is currently the most expensive (average of $1,186). 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

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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 3 airlines flying from St. Louis to Serbia

Discover the top 3 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$696Average$1,048FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$787Average$1,057FlexibilityNo cancel feeOn-time67%
LufthansaCheapest$796Average$1,129FlexibilityNo cancel feeOn-time76%
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