$662+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZAG
Oct 5 — Oct 121
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Zagreb 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 Zagreb
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Cheapest flights from St. Louis to ZagrebExplore 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 5, 2026.
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 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:20 pm -
2 stops26h 15m
Thu 10/226:15 am -
2 stops22h 06m
Deal found 8/31![Lufthansa logo]()
$920
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:01 pm -
2 stops34h 34m
Tue 10/205:35 am -
2 stops22h 34m
Deal found 9/5![Lufthansa logo]()
$924
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/35:36 pm -
2 stops37h 49m
Tue 10/205:35 am -
1 stop14h 50m
Deal found 9/2![United Airlines logo]()
$946
This Gotogate deal was found by Cheapflights users on 8/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 am -
2 stops20h 40m
Thu 10/223:00 pm -
1 stop29h 25m
Deal found 8/31![Multiple Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
3 stops33h 00m
Thu 10/225:45 am -
2 stops19h 56m
Deal found 8/31![United Airlines logo]()
$979
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Sat 10/37:01 pm -
2 stops34h 34m
Sat 10/101:20 pm -
2 stops33h 23m
Deal found 9/5![Lufthansa logo]()
$1,031
This Delta deal was found by Cheapflights users on 9/3. 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 9/2310:05 am -
2 stops18h 35m
Wed 10/76:00 am -
2 stops19h 15m
Deal found 9/3![Delta logo]()
$1,038
Best flights from St. Louis to ZagrebDiscover carefully curated flight deals from St. Louis to Zagreb that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
Discover carefully curated flight deals from St. Louis to Zagreb that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 5, 2026.
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:01 pm -
2 stops34h 34m
Tue 10/205:35 am -
2 stops22h 34m
Deal found 9/5![Lufthansa logo]()
$924
This Gotogate deal was found by Cheapflights users on 8/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 am -
2 stops20h 40m
Thu 10/223:00 pm -
1 stop29h 25m
Deal found 8/31![Multiple Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
3 stops33h 00m
Thu 10/225:45 am -
2 stops19h 56m
Deal found 8/31![United Airlines logo]()
$979
This Delta deal was found by Cheapflights users on 9/4. 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 9/2310:05 am -
2 stops18h 35m
Wed 10/76:00 am -
2 stops19h 15m
Deal found 9/4![Delta logo]()
$1,038
This Air Canada deal was found by Cheapflights users on 9/4. 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.
Tue 12/84:05 pm -
2 stops21h 00m
Thu 12/108:30 am -
2 stops37h 56m
Deal found 9/4![Air Canada logo]()
$1,262
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Sat 10/37:01 pm -
2 stops34h 34m
Sat 10/101:20 pm -
2 stops33h 23m
Deal found 9/5![Lufthansa logo]()
$1,031
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/37:01 pm -
2 stops21h 29m
Sat 10/105:45 am -
3 stops22h 36m
Deal found 9/5![United Airlines logo]()
$1,066
Last-minute flights from St. Louis to ZagrebDiscover last-minute flight deals from St. Louis to Zagreb. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Zagreb. Data last updated September 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/3. 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 9/2310:05 am -
2 stops18h 35m
Wed 10/76:00 am -
2 stops19h 15m
Deal found 9/3![Delta logo]()
$1,038
This FlightHub deal was found by Cheapflights users on 9/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:01 pm -
2 stops34h 34m
Tue 10/205:35 am -
2 stops22h 34m
Deal found 9/5![Lufthansa logo]()
$924
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 10/35:36 pm -
2 stops37h 49m
Tue 10/205:35 am -
1 stop14h 50m
Deal found 9/2![United Airlines logo]()
$946
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Sat 10/37:01 pm -
2 stops34h 34m
Sat 10/101:20 pm -
2 stops33h 23m
Deal found 9/5![Lufthansa logo]()
$1,031
This Cheapflightsfares deal was found by Cheapflights users on 8/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:20 pm -
2 stops26h 15m
Thu 10/226:15 am -
2 stops22h 06m
Deal found 8/31![Lufthansa logo]()
$920
This Gotogate deal was found by Cheapflights users on 8/31. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/158:55 am -
2 stops20h 40m
Thu 10/223:00 pm -
1 stop29h 25m
Deal found 8/31![Multiple Airlines logo]()
$961
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:30 am -
3 stops33h 00m
Thu 10/225:45 am -
2 stops19h 56m
Deal found 8/31![United Airlines logo]()
$979
One-way flights from St. Louis to ZagrebSearch for one-way flight options from St. Louis to Zagreb. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
Search for one-way flight options from St. Louis to Zagreb. Find affordable one-way fares based on user searches. Data last updated September 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:52 pm -
3 stops49h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Multiple Airlines logo]()
$662
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/203:40 pm -
2 stops13h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Lufthansa logo]()
$817
Find 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 5, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $920 (Cheapflightsfares) |
Popular in | May |
Cheapest in | January |
Average price | $686 |
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 7,457,451 searches. Data last updated September 5, 2026.
Use the filters below to find and compare flights from St. Louis to Zagreb that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Sun 12/20
3:52 pm-11:59 pm
3 stops49h 07m
Zagreb Franjo Tuđman
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$662
Quickest round-trip
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Sun 12/20
3:40 pm-10:15 pm
1 stop23h 35m
Zagreb Franjo Tuđman
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$839
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Sat 10/3
7:01 pm-12:35 pm
2 stops34h 34m
Zagreb Franjo Tuđman
Tue 10/20
5:35 am-9:09 pm
2 stops22h 34m
$924
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Thu 10/15
8:55 am-12:35 pm
2 stops20h 40m
Zagreb Franjo Tuđman
Thu 10/22
3:00 pm-1:25 pm
1 stop29h 25m
$961
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Thu 10/15
7:30 am-11:30 pm
3 stops33h 00m
Zagreb Franjo Tuđman
Thu 10/22
5:45 am-6:41 pm
2 stops19h 56m
$979
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Sat 10/3
7:01 pm-12:35 pm
2 stops34h 34m
Zagreb Franjo Tuđman
Sat 10/10
1:20 pm-3:43 pm
2 stops33h 23m
$1,031
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Wed 9/23
10:05 am-11:40 am
2 stops18h 35m
Zagreb Franjo Tuđman
Wed 10/7
6:00 am-6:15 pm
2 stops19h 15m
$1,038
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Sat 10/3
7:01 pm-11:30 pm
2 stops21h 29m
Zagreb Franjo Tuđman
Sat 10/10
5:45 am-9:21 pm
3 stops22h 36m
$1,066
St. LouisZagreb
STL Lambert-St Louis - ZAG Zagreb Franjo Tuđman
STLZAG
Lambert-St Louis
Tue 12/8
4:05 pm-8:05 pm
2 stops21h 00m
Zagreb Franjo Tuđman
Thu 12/10
8:30 am-3:26 pm
2 stops37h 56m
$1,262
Sorted by cheapest first
Compare providers for flights from St. Louis to Zagreb
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Zagreb in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Zagreb flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on St. Louis-Zagreb flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from St. Louis-Zagreb flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Zagreb flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Zagreb flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
STL-ZAG
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?
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 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 5, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited 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.
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.3
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.3
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.3
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.3
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
Comfort
7.7
Overall
7.8
Boarding
7.8
Entertainment
7.2
Food
7.3
Crew
8.4
Reviews
1 / 20
4.0
OkayAbhisek,Aug 2026
JFK - AMS
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.
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Alternative routes for St. Louis to Zagreb
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Complete your trip
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Find flights from St. Louis to Zagreb, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Zagreb flights
Browse other St. Louis and Zagreb flight options. Last updated on September 5, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on September 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Zagreb
Explore flights to Zagreb departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 5, 2026.
Top 4 airlines flying from St. Louis to Zagreb
Discover the top 4 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 7,457,451 searches. Data last updated September 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$659 | Average$1,145 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$671 | Average$1,187 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$756 | Average$1,082 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$772 | Average$1,253 | FlexibilityNo cancel fee | On-timeN/A |