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Zagreb

$699+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZAG
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
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 julio 30, 2025.

Round-trip from

$699
(Gotogate)

Popular in

May

Cheapest in

November

Average price

$1,146
From Lambert-St Louis to Zagreb Franjo Tuđman
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Highest demand for flights based on searches. 16% potential increase in price ($202 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in July 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 julio 30, 2025.

This Gotogate deal was found by Cheapflights users on 7/28. 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.
mié. 8/209:15 amSTL - ZAG
2 stops20h 20mMultiple Airlines
mié. 9/176:15 amZAG - STL
1 stop14h 15mMultiple Airlines
Deal found 7/28$699
This United Airlines deal was found by Cheapflights users on 7/30. 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.
mar. 8/261:30 pmSTL - ZAG
2 stops17h 45mUnited Airlines
mié. 9/246:15 amZAG - STL
1 stop14h 15mUnited Airlines
Deal found 7/30$701
This Air Canada deal was found by Cheapflights users on 7/30. 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.
mié. 8/279:15 amSTL - ZAG
2 stops20h 20mAir Canada
mar. 9/236:05 amZAG - STL
2 stops20h 52mAir Canada
Deal found 7/30$753
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/123:59 pmSTL - ZAG
2 stops20h 56mAmerican Airlines
vie. 9/191:40 pmZAG - STL
2 stops27h 05mAmerican Airlines
Deal found 7/29$757
This Ovago deal was found by Cheapflights users on 7/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/2812:20 pmSTL - ZAG
2 stops17h 25mBritish Airways
sáb. 9/278:45 pmZAG - STL
2 stops28h 43mBritish Airways
Deal found 7/30$854
This FlightHub deal was found by Cheapflights users on 7/28. 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.
jue. 8/148:15 amSTL - ZAG
2 stops23h 00mLufthansa
dom. 9/216:00 amZAG - STL
1 stop14h 30mLufthansa
Deal found 7/28$875
This KLM deal was found by Cheapflights users on 7/30. 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.
jue. 8/285:30 pmSTL - ZAG
2 stops15h 45mKLM
jue. 9/256:00 amZAG - STL
2 stops17h 51mKLM
Deal found 7/30$964
This Iberia deal was found by Cheapflights users on 7/30. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/305:52 pmSTL - ZAG
2 stops57h 23mIberia
mié. 9/2412:10 pmZAG - STL
2 stops16h 43mIberia
Deal found 7/30$1,131

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 julio 30, 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

mié. 8/20

9:15 am-12:35 pm

2 stops20h 20m

Zagreb Franjo Tuđman

mié. 9/17

6:15 am-1:30 pm

1 stop14h 15m

$699

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

mar. 8/26

1:30 pm-2:15 pm

2 stops17h 45m

Zagreb Franjo Tuđman

mié. 9/24

6:15 am-7:57 pm

2 stops20h 42m

$701

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

mié. 8/27

9:15 am-12:35 pm

2 stops20h 20m

Zagreb Franjo Tuđman

mar. 9/23

6:05 am-7:57 pm

2 stops20h 52m

$753

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

vie. 9/12

3:59 pm-7:55 pm

2 stops20h 56m

Zagreb Franjo Tuđman

vie. 9/19

1:40 pm-9:45 am

2 stops27h 05m

$757

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

jue. 8/28

12:20 pm-12:45 pm

2 stops17h 25m

Zagreb Franjo Tuđman

sáb. 9/27

8:45 pm-6:28 pm

2 stops28h 43m

$854

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

jue. 8/14

8:15 am-2:15 pm

2 stops23h 00m

Zagreb Franjo Tuđman

dom. 9/21

6:00 am-1:30 pm

1 stop14h 30m

$875

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

jue. 8/28

5:30 pm-4:15 pm

2 stops15h 45m

Zagreb Franjo Tuđman

jue. 9/25

6:00 am-4:51 pm

2 stops17h 51m

$964

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

sáb. 8/30

5:52 pm-10:15 am

2 stops57h 23m

Zagreb Franjo Tuđman

mié. 9/24

12:10 pm-9:53 pm

2 stops16h 43m

$1,131

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 July 25, 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 $1,263). 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 julio 30, 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 julio 30, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Lufthansa 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.
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • 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 $715. Other airlines that can offer you cheap pricing are American Airlines, from $757, and Lufthansa, from $875. United Airlines is currently priced 28% 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 $1,263). 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$647Average$886FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$703Average$1,157FlexibilityNo cancel feeOn-time76%
DeltaCheapest$754Average$1,100FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$817Average$1,147FlexibilityNo cancel feeOn-time67%
KLMCheapest$854Average$1,106FlexibilityNo cancel feeOn-time75%

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