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Zagreb

$556+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
STL — ZAG
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Lambert-St Louis to Zagreb Franjo Tuđman are usually found in October or February, booked 7 days in advance, depart on a Monday or Sunday and return on a Tuesday

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 October 29, 2025.

This United deal was found by Cheapflights users on 10/27. 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.
Fri 11/2811:05 amSTL - ZAG
2 stops18h 45mMultiple Airlines
Mon 12/89:50 amZAG - STL
2 stops36h 39mMultiple Airlines
Deal found 10/27$557
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:09 pmSTL - ZAG
2 stops13h 26mDelta
Tue 12/93:05 pmZAG - STL
2 stops32h 30mDelta
Deal found 10/28$560
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:38 pmSTL - ZAG
2 stops15h 32mKLM
Fri 12/126:30 amZAG - STL
2 stops17h 40mKLM
Deal found 10/28$566
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:35 pmSTL - ZAG
2 stops17h 15mUnited Airlines
Wed 12/102:25 pmZAG - STL
2 stops32h 04mUnited Airlines
Deal found 10/28$568
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:42 pmSTL - ZAG
2 stops20h 33mUnited Airlines
Fri 12/126:15 amZAG - STL
2 stops23h 30mUnited Airlines
Deal found 10/28$572
This KAYAK deal was found by Cheapflights users on 10/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:43 pmSTL - ZAG
2 stops14h 12mLufthansa
Tue 12/92:35 pmZAG - STL
1 stop30h 20mLufthansa
Deal found 10/28$573
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/41:35 pmSTL - ZAG
2 stops17h 15mUnited Airlines
Mon 12/152:40 pmZAG - STL
2 stops28h 35mUnited Airlines
Deal found 10/28$577
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:40 amSTL - ZAG
2 stops24h 55mDelta
Sun 12/143:25 pmZAG - STL
2 stops33h 31mDelta
Deal found 10/28$578
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:05 pmSTL - ZAG
2 stops22h 55mUnited Airlines
Mon 12/152:40 pmZAG - STL
2 stops28h 35mUnited Airlines
Deal found 10/28$579
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:55 pmSTL - ZAG
2 stops17h 55mUnited Airlines
Tue 12/92:35 pmZAG - STL
1 stop30h 20mUnited Airlines
Deal found 10/28$581
This Delta deal was found by Cheapflights users on 10/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:39 amSTL - ZAG
2 stops33h 21mDelta
Sun 12/143:25 pmZAG - STL
2 stops31h 41mDelta
Deal found 10/28$585

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 October 29, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$556
(United)

Popular in

June

Cheapest in

October

Average price

$641
Provider with most accurate pricing for Lambert-St Louis-Zagreb Franjo Tuđman flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Zagreb Franjo Tuđman flights.
Search Deals
From Lambert-St Louis to Zagreb Franjo Tuđman
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($202 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 October 29, 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

Thu 2/19

11:25 am-3:55 pm

2 stops21h 30m

Zagreb Franjo Tuđman

Wed 2/25

2:25 pm-3:29 pm

2 stops32h 04m

$556

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Fri 11/28

11:05 am-12:50 pm

2 stops18h 45m

Zagreb Franjo Tuđman

Mon 12/8

9:50 am-3:29 pm

2 stops36h 39m

$557

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 12/1

2:36 pm-2:35 pm

2 stops16h 59m

Zagreb Franjo Tuđman

Sun 12/7

8:25 am-8:47 pm

2 stops19h 22m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 12/1

6:09 pm-2:35 pm

2 stops13h 26m

Zagreb Franjo Tuđman

Fri 12/12

6:30 am-5:10 pm

2 stops17h 40m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Wed 12/3

6:05 am-2:35 pm

2 stops25h 30m

Zagreb Franjo Tuđman

Mon 12/15

3:05 pm-4:35 pm

2 stops32h 30m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Wed 12/3

2:38 pm-2:35 pm

2 stops16h 57m

Zagreb Franjo Tuđman

Fri 12/12

6:30 am-5:10 pm

2 stops17h 40m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 12/2

2:38 pm-2:35 pm

2 stops16h 57m

Zagreb Franjo Tuđman

Mon 12/8

6:30 am-5:56 pm

2 stops18h 26m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 12/1

6:09 pm-2:35 pm

2 stops13h 26m

Zagreb Franjo Tuđman

Mon 12/15

6:30 am-8:20 am

2 stops32h 50m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Mon 12/1

6:40 am-2:35 pm

2 stops24h 55m

Zagreb Franjo Tuđman

Thu 12/11

6:30 am-11:29 pm

2 stops23h 59m

$560

St. LouisZagreb

STL - ZAG

STLZAG

Lambert-St Louis

Tue 12/2

2:38 pm-2:35 pm

2 stops16h 57m

Zagreb Franjo Tuđman

Mon 12/15

3:05 pm-4:35 pm

2 stops32h 30m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 15 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Zagreb flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on St. Louis-Zagreb flight deals on Cheapflights vs. CheapOair >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 CheapOair the most. CheapOair 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.
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 October 24, 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, October is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $580). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,063). 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 October 29, 2025.

It’s typically best to fly out from St. Louis to Zagreb in the evening. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

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 October 29, 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
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,993 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
9,001 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,371 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,538 reviews
Delta
7.9
Good
7,993 reviews

Overall

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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?

    KLM and Delta can get you from St. Louis to Zagreb in just under 13h 26m. Your travel time can differ by up to 3h 33m. 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 $580. Other airlines that can offer you cheap pricing are United Airlines, from $647, and Lufthansa, from $722. Air Canada is currently priced 40% 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, October is the cheapest month in which you can book a flight from St. Louis to Zagreb (average of $580). Flying from St. Louis to Zagreb in June is currently the most expensive (average of $1,063). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$580Average$1,144FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$647Average$988FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$722Average$1,158FlexibilityNo cancel feeOn-time76%
DeltaCheapest$752Average$1,142FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$854Average$1,117FlexibilityNo cancel feeOn-time75%

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