$388+ Cheap flights from St. Louis (STL) to Zagreb (ZAG)
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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZAG
Jul 11 — Jul 181
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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Best
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One-way
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 June 11, 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 11/16:45 am
STL
- ZAG
2 stops24h 50m
Delta
Fri 11/136:30 am
ZAG
- STL
2 stops24h 09m
Delta
Deal found 6/8![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/18:15 pm
STL
- ZAG
2 stops19h 05m
United Airlines
Wed 11/186:05 am
ZAG
- STL
1 stop14h 40m
United Airlines
Deal found 6/8![United Airlines logo]()
$780
This Gotogate deal was found by Cheapflights users on 6/10. 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.
Tue 9/88:55 am
STL
- ZAG
2 stops20h 40m
Multiple Airlines
Tue 9/225:35 am
ZAG
- STL
1 stop14h 50m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$792
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:10 pm
STL
- ZAG
2 stops17h 25m
Multiple Airlines
Wed 8/195:55 am
ZAG
- STL
1 stop14h 30m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$804
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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.
Tue 9/83:30 pm
STL
- ZAG
1 stop15h 45m
Lufthansa
Tue 9/225:35 am
ZAG
- STL
1 stop14h 50m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$810
This Lufthansa deal was found by Cheapflights users on 6/8. 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.
Mon 11/26:45 pm
STL
- ZAG
2 stops14h 10m
Lufthansa
Sun 11/156:05 am
ZAG
- STL
1 stop14h 40m
Lufthansa
Deal found 6/8![Lufthansa logo]()
$818
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:30 pm
STL
- ZAG
1 stop15h 40m
Lufthansa
Wed 8/195:55 am
ZAG
- STL
1 stop14h 30m
Lufthansa
Deal found 6/11![Lufthansa logo]()
$822
This Delta deal was found by Cheapflights users on 6/8. 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 12/275:45 pm
STL
- ZAG
2 stops13h 50m
Delta
Tue 1/53:05 pm
ZAG
- STL
2 stops33h 01m
Delta
Deal found 6/8![Delta logo]()
$823
This Air France deal was found by Cheapflights users on 6/8. 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.
Sun 11/13:42 pm
STL
- ZAG
2 stops15h 53m
Multiple Airlines
Sun 11/156:30 am
ZAG
- STL
2 stops16h 28m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$826
This Delta deal was found by Cheapflights users on 6/8. 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 12/236:30 am
STL
- ZAG
2 stops26h 30m
Delta
Wed 1/63:05 pm
ZAG
- STL
2 stops36h 44m
Delta
Deal found 6/8![Delta logo]()
$828
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/18:15 pm
STL
- ZAG
2 stops19h 05m
United Airlines
Sun 11/156:05 am
ZAG
- STL
1 stop14h 40m
United Airlines
Deal found 6/8![United Airlines logo]()
$830
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 June 11, 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 June 11, 2026.
This Delta deal was found by Cheapflights users on 6/8. 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 11/43:42 pm
STL
- ZAG
2 stops15h 53m
Delta
Fri 11/136:30 am
ZAG
- STL
2 stops18h 31m
Delta
Deal found 6/8![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/6. 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 11/18:15 pm
STL
- ZAG
2 stops19h 05m
United Airlines
Sun 11/156:05 am
ZAG
- STL
1 stop14h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$830
This Trip.com deal was found by Cheapflights users on 6/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/13:40 pm
STL
- ZAG
1 stop15h 20m
Lufthansa
Sun 11/156:05 am
ZAG
- STL
1 stop14h 40m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$847
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Wed 9/238:55 am
STL
- ZAG
2 stops20h 40m
Air Canada
Wed 10/75:55 am
ZAG
- STL
2 stops19h 46m
Air Canada
Deal found 6/10![Air Canada logo]()
$869
This CheapOair deal was found by Cheapflights users on 6/6. 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.
Mon 8/2412:10 pm
STL
- ZAG
2 stops17h 25m
Multiple Airlines
Mon 8/313:10 pm
ZAG
- STL
1 stop29h 15m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$895
This Delta deal was found by Cheapflights users on 6/8. 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 11/31:30 pm
STL
- ZAG
2 stops18h 05m
Delta
Mon 11/164:30 pm
ZAG
- STL
2 stops32h 31m
Delta
Deal found 6/8![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/8. 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 11/38:15 pm
STL
- ZAG
2 stops19h 05m
United Airlines
Sun 11/156:05 am
ZAG
- STL
1 stop14h 40m
United Airlines
Deal found 6/8![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 6/8. 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 11/36:00 am
STL
- ZAG
2 stops25h 35m
Delta
Thu 11/126:30 am
ZAG
- STL
2 stops18h 31m
Delta
Deal found 6/8![Delta logo]()
$776
This United Airlines deal was found by Cheapflights users on 6/6. 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 11/43:40 pm
STL
- ZAG
1 stop23h 40m
United Airlines
Wed 11/186:05 am
ZAG
- STL
1 stop14h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$858
This Delta deal was found by Cheapflights users on 6/8. 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 11/44:13 pm
STL
- ZAG
2 stops16h 47m
Delta
Sat 11/146:30 am
ZAG
- STL
2 stops23h 48m
Delta
Deal found 6/8![Delta logo]()
$831
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/253:30 pm
STL
- ZAG
1 stop15h 45m
United Airlines
Tue 9/85:35 am
ZAG
- STL
1 stop14h 50m
United Airlines
Deal found 6/10![United Airlines logo]()
$882
This Delta deal was found by Cheapflights users on 6/6. 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.
Thu 10/297:05 pm
STL
- ZAG
2 stops14h 55m
Delta
Sat 11/146:30 am
ZAG
- STL
2 stops21h 19m
Delta
Deal found 6/6![Delta logo]()
$881
Last-minute flights from St. Louis to ZagrebDiscover last-minute flight deals from St. Louis to Zagreb. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Zagreb. Data last updated June 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/7. 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 7/66:10 pm
STL
- ZAG
2 stops21h 30m
Delta
Tue 7/216:00 am
ZAG
- STL
2 stops18h 53m
Delta
Deal found 6/7![Delta logo]()
$973
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Mon 7/63:30 pm
STL
- ZAG
2 stops14h 05m
Lufthansa
Tue 7/215:35 am
ZAG
- STL
1 stop14h 50m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$975
This Expedia deal was found by Cheapflights users on 6/10. 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.
Wed 7/85:36 pm
STL
- ZAG
2 stops22h 04m
KLM
Wed 7/158:25 am
ZAG
- STL
2 stops22h 28m
KLM
Deal found 6/10![KLM logo]()
$965
This Delta deal was found by Cheapflights users on 6/10. 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 7/86:30 am
STL
- ZAG
2 stops22h 10m
Delta
Fri 7/246:00 am
ZAG
- STL
2 stops15h 48m
Delta
Deal found 6/10![Delta logo]()
$967
This KLM deal was found by Cheapflights users on 6/10. 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 7/81:54 pm
STL
- ZAG
2 stops14h 46m
Multiple Airlines
Wed 7/1512:30 pm
ZAG
- STL
2 stops17h 52m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$968
This Delta deal was found by Cheapflights users on 6/9. 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 7/86:30 am
STL
- ZAG
2 stops22h 10m
Delta
Sat 8/86:00 am
ZAG
- STL
2 stops21h 42m
Delta
Deal found 6/9![Delta logo]()
$1,037
This Cheapflightsfares deal was found by Cheapflights users on 6/9. 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.
Wed 7/227:05 pm
STL
- ZAG
2 stops19h 30m
Lufthansa
Fri 8/216:15 am
ZAG
- STL
2 stops16h 23m
Lufthansa
Deal found 6/9![Lufthansa logo]()
$871
This CheapOair deal was found by Cheapflights users on 6/10. 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.
Wed 7/2212:10 pm
STL
- ZAG
2 stops17h 25m
Air Canada
Fri 8/212:50 pm
ZAG
- STL
2 stops34h 52m
Air Canada
Deal found 6/10![Air Canada logo]()
$876
This CheapOair deal was found by Cheapflights users on 6/8. 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.
Wed 7/221:13 pm
STL
- ZAG
2 stops25h 22m
Multiple Airlines
Fri 8/212:50 pm
ZAG
- STL
2 stops34h 52m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$878
This United deal was found by Cheapflights users on 6/8. 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.
Wed 7/223:30 pm
STL
- ZAG
1 stop24h 40m
Multiple Airlines
Wed 8/195:55 am
ZAG
- STL
2 stops23h 05m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$976
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 June 11, 2026.
Search for one-way flight options from St. Louis to Zagreb. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/8. 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.
Sat 7/45:06 pm
STL
- ZAG
3 stops44h 34m
Multiple Airlines
Deal found 6/8![Multiple Airlines logo]()
$388
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 June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $776 (Delta) |
One-way from | $388 (Kiwi.com) |
Popular in | May |
Cheapest in | January |
Average price | $1,170 |
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 June 11, 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 - ZAG
STLZAG
Lambert-St Louis
Wed 11/4
3:42 pm-2:35 pm
2 stops15h 53m
Zagreb Franjo Tuđman
Fri 11/13
6:30 am-6:01 pm
2 stops18h 31m
$776
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Tue 11/3
1:30 pm-2:35 pm
2 stops18h 05m
Zagreb Franjo Tuđman
Mon 11/16
4:30 pm-6:01 pm
2 stops32h 31m
$776
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Tue 11/3
6:00 am-2:35 pm
2 stops25h 35m
Zagreb Franjo Tuđman
Thu 11/12
6:30 am-6:01 pm
2 stops18h 31m
$776
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Sun 11/1
8:15 pm-10:20 pm
2 stops19h 05m
Zagreb Franjo Tuđman
Sun 11/15
6:05 am-1:45 pm
1 stop14h 40m
$830
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Tue 11/3
8:15 pm-10:20 pm
2 stops19h 05m
Zagreb Franjo Tuđman
Sun 11/15
6:05 am-1:45 pm
1 stop14h 40m
$830
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Wed 11/4
4:13 pm-4:00 pm
2 stops16h 47m
Zagreb Franjo Tuđman
Sat 11/14
6:30 am-11:18 pm
2 stops23h 48m
$831
Quickest round-trip
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Sun 11/1
3:40 pm-2:00 pm
1 stop15h 20m
Zagreb Franjo Tuđman
Sun 11/15
6:05 am-1:45 pm
1 stop14h 40m
$847
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Wed 11/4
3:40 pm-10:20 pm
1 stop23h 40m
Zagreb Franjo Tuđman
Wed 11/18
6:05 am-1:45 pm
1 stop14h 40m
$858
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Wed 9/23
8:55 am-12:35 pm
2 stops20h 40m
Zagreb Franjo Tuđman
Wed 10/7
5:55 am-6:41 pm
2 stops19h 46m
$869
St. LouisZagreb
STL - ZAG
STLZAG
Lambert-St Louis
Thu 10/29
7:05 pm-4:00 pm
2 stops14h 55m
Zagreb Franjo Tuđman
Sat 11/14
6:30 am-8:49 pm
2 stops21h 19m
$881
Showing 1-10 of 13 resultsSorted 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 June.
| 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 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Zagreb flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
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 June 11, 2026.
Peruse reviews from past customers who have flown with Delta,KLM, 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.
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Overall
7.9
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$580 | Average$882 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$641 | Average$1,037 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$671 | Average$1,274 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$694 | Average$996 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$760 | Average$1,279 | FlexibilityNo cancel fee | On-timeN/A |