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Zagreb

$578+ Cheap flights from St. Louis (STL) to Zagreb (ZAG)

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZAG
Oct 12 — Oct 191
Sun 10/12
Sun 10/19
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Zagreb Franjo Tuđman are usually found in November or February, booked 7 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap flight deals from St. Louis to Zagreb

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Zagreb (ZAG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 12, 2025.

Round-trip from

$578
(Cheapflightsfares)

Popular in

May

Cheapest in

November

Average price

$989
From Lambert-St Louis to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($209 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Zagreb

Cheapest flights from St. Louis to Zagreb
Explore the most affordable flight options available from St. Louis to Zagreb. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 12, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/193:30 pmSTL - ZAG
1 stop15h 45mUnited Airlines
Tue 11/42:35 pmZAG - STL
2 stops31h 54mUnited Airlines
Deal found 9/11$578
This United deal was found by Cheapflights users on 9/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1912:25 pmSTL - ZAG
2 stops17h 10mMultiple Airlines
Tue 11/42:35 pmZAG - STL
2 stops31h 54mMultiple Airlines
Deal found 9/11$579
This Mytrip deal was found by Cheapflights users on 9/12. 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.
Mon 10/274:05 pmSTL - ZAG
2 stops14h 45mMultiple Airlines
Mon 11/32:40 pmZAG - STL
2 stops55h 49mMultiple Airlines
Deal found 9/12$583
This Lufthansa deal was found by Cheapflights users on 9/11. 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.
Sun 10/193:30 pmSTL - ZAG
1 stop15h 45mLufthansa
Tue 11/42:35 pmZAG - STL
1 stop30h 20mLufthansa
Deal found 9/11$591
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/46:30 amSTL - ZAG
2 stops24h 20mUnited Airlines
Sat 11/152:35 pmZAG - STL
2 stops31h 54mUnited Airlines
Deal found 9/11$633
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/58:20 amSTL - ZAG
2 stops22h 30mUnited Airlines
Wed 11/196:15 amZAG - STL
1 stop14h 40mUnited Airlines
Deal found 9/11$666
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:15 amSTL - ZAG
2 stops20h 20mMultiple Airlines
Fri 10/316:15 amZAG - STL
1 stop14h 40mMultiple Airlines
Deal found 9/12$679
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 9/215:30 pmSTL - ZAG
2 stops23h 05mUnited Airlines
Wed 10/86:15 amZAG - STL
2 stops19h 42mUnited Airlines
Deal found 9/11$696
This Gurufare deal was found by Cheapflights users on 9/12. 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.
Fri 12/56:42 pmSTL - ZAG
2 stops20h 33mLufthansa
Sat 12/132:35 pmZAG - STL
1 stop30h 20mLufthansa
Deal found 9/12$703
This Booking.com deal was found by Cheapflights users on 9/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/53:50 pmSTL - ZAG
1 stop15h 00mLufthansa
Wed 11/196:15 amZAG - STL
1 stop14h 40mLufthansa
Deal found 9/11$736

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Zagreb 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 September 12, 2025.
Use the filters below to find and compare flights from St. Louis to Zagreb that are best for you.

Fly from

St. Louis

Fly to

Zagreb

Route

Depart

Return

Price

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 3/3

1:27 pm-3:55 pm

2 stops19h 28m

Zagreb Franjo Tuđman

Tue 3/10

6:15 am-9:10 pm

2 stops20h 55m

$578

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 10/19

3:30 pm-2:15 pm

1 stop15h 45m

Zagreb Franjo Tuđman

Tue 11/4

2:35 pm-3:29 pm

2 stops31h 54m

$578

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 10/19

12:25 pm-12:35 pm

2 stops17h 10m

Zagreb Franjo Tuđman

Tue 11/4

2:35 pm-3:29 pm

2 stops31h 54m

$579

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 10/27

4:05 pm-12:50 pm

2 stops14h 45m

Zagreb Franjo Tuđman

Mon 11/3

2:40 pm-3:29 pm

2 stops55h 49m

$583

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 3/3

1:11 pm-10:25 pm

2 stops26h 14m

Zagreb Franjo Tuđman

Tue 3/10

2:35 pm-3:29 pm

2 stops30h 54m

$583

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Wed 11/5

8:20 am-1:50 pm

2 stops22h 30m

Zagreb Franjo Tuđman

Wed 11/19

2:25 pm-3:29 pm

2 stops32h 04m

$583

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Sun 10/19

3:30 pm-2:15 pm

1 stop15h 45m

Zagreb Franjo Tuđman

Tue 11/4

2:35 pm-1:55 pm

1 stop30h 20m

$591

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 3/3

4:05 pm-10:25 pm

2 stops23h 20m

Zagreb Franjo Tuđman

Tue 3/10

2:35 pm-2:55 pm

1 stop30h 20m

$600

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 11/4

6:30 am-1:50 pm

2 stops24h 20m

Zagreb Franjo Tuđman

Sat 11/15

2:35 pm-3:29 pm

2 stops31h 54m

$633

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Fri 10/17

9:15 am-12:35 pm

2 stops20h 20m

Zagreb Franjo Tuđman

Fri 10/31

6:15 am-2:55 pm

1 stop14h 40m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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

Have a flexible travel schedule? Discover the best time to fly to Zagreb 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 Zagreb

How far ahead should I book a flight from St. Louis to Zagreb?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Zagreb. Price data was last updated on August 29, 2025.

The price you pay for your flight from St. Louis to Zagreb may vary depending on when you book. For the best chance of a lower fare, look to book 7 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $641). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,257). 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.

What is the cheapest time of day to fly from STL to ZAG?

Find hourly flight availability from St. Louis to Zagreb. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 12, 2025.

It’s typically best to fly out from St. Louis to Zagreb in the evening. Doing so could potentially save you 24% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from St. Louis to Zagreb?

Reviews of airlines servicing Zagreb

Get insights into the airlines that provide service to Zagreb. 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 Zagreb. Reviews last updated September 12, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines from St. Louis to Zagreb to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,936 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

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

    Lufthansa and United Airlines can get you from St. Louis to Zagreb in just under 15h 45m. Your travel time can differ by up to 3h 43m. The distance from St. Louis to Zagreb is about 5032 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from St. Louis to Zagreb round-trip?

    Cheapflights users have booked flights from St. Louis to Zagreb round-trip from $720. Other airlines that can offer you cheap pricing are Lufthansa, from $722, and Delta, from $752. United Airlines is currently priced 27% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Zagreb 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 Zagreb?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $641). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,257). 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.

Top 5 airlines flying from St. Louis to Zagreb

Discover the top 5 airlines that operate flights from St. Louis to Zagreb. 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 September 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$720Average$1,048FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$722Average$1,154FlexibilityNo cancel feeOn-time76%
DeltaCheapest$752Average$1,101FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$817Average$1,147FlexibilityNo cancel feeOn-time67%
KLMCheapest$854Average$1,104FlexibilityNo cancel feeOn-time75%

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