$447 Cheap Flights from St. Louis (STL) to Zagreb (ZAG)

View $447 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Zagreb Airport (ZAG)

Cheap Flights from St. Louis to Zagreb (STL-ZAG)

Prices were available within the past 7 days and start at $447 for one-way flights and $548 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Mon, Nov 10 - Wed, Nov 19
STL
St. Louis
ZAG
Zagreb
$548 Roundtrip, found 3 days ago
$548
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Nov 10 from St. Louis to Zagreb, returning Wed, Nov 19, priced at $548 found 3 days ago
Lufthansa
Mon, Nov 10 - Wed, Nov 19
STL
St. Louis
ZAG
Zagreb
$555 Roundtrip, found 3 days ago
$555
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Nov 10 from St. Louis to Zagreb, returning Wed, Nov 19, priced at $555 found 3 days ago
Delta
Wed, Dec 31 - Sat, Jan 17
STL
St. Louis
ZAG
Zagreb
$560 Roundtrip, found 2 days ago
$560
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Dec 31 from St. Louis to Zagreb, returning Sat, Jan 17, priced at $560 found 2 days ago
Lufthansa
Mon, Nov 10 - Wed, Nov 19
STL
St. Louis
ZAG
Zagreb
$561 Roundtrip, found 3 days ago
$561
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Mon, Nov 10 from St. Louis to Zagreb, returning Wed, Nov 19, priced at $561 found 3 days ago
United
Wed, Nov 19 - Wed, Dec 3
STL
St. Louis
ZAG
Zagreb
$562 Roundtrip, found 6 days ago
$562
Roundtrip
found 6 days ago
Select United flight, departing Wed, Nov 19 from St. Louis to Zagreb, returning Wed, Dec 3, priced at $562 found 6 days ago
Air Canada
Wed, Nov 26 - Wed, Dec 3
STL
St. Louis
ZAG
Zagreb
$563 Roundtrip, found 4 days ago
$563
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Nov 26 from St. Louis to Zagreb, returning Wed, Dec 3, priced at $563 found 4 days ago
United
Sun, Nov 9 - Sat, Nov 22
STL
St. Louis
ZAG
Zagreb
$564 Roundtrip, found 6 days ago
$564
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 9 from St. Louis to Zagreb, returning Sat, Nov 22, priced at $564 found 6 days ago
Delta
Tue, Dec 30 - Sat, Jan 17
STL
St. Louis
ZAG
Zagreb
$566 Roundtrip, found 2 days ago
$566
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Dec 30 from St. Louis to Zagreb, returning Sat, Jan 17, priced at $566 found 2 days ago
Lufthansa
Sun, Nov 16 - Tue, Dec 2
STL
St. Louis
ZAG
Zagreb
$566 Roundtrip, found 4 hours ago
$566
Roundtrip
found 4 hours ago
Select Lufthansa flight, departing Sun, Nov 16 from St. Louis to Zagreb, returning Tue, Dec 2, priced at $566 found 4 hours ago
Austrian Airlines
Mon, Nov 10 - Wed, Nov 19
STL
St. Louis
ZAG
Zagreb
$570 Roundtrip, found 3 days ago
$570
Roundtrip
found 3 days ago
Select Austrian Airlines flight, departing Mon, Nov 10 from St. Louis to Zagreb, returning Wed, Nov 19, priced at $570 found 3 days ago

Find the cheapest month to fly from St. Louis (STL) to Zagreb (ZAG)

November is typically the cheapest month to fly

From $591 - $1,612 per traveler.

Alternative airports near Zagreb

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Zagreb Airport ZAG. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $851
ZAG
Zagreb Airport
CheapestClosest
Average driving time to city center16 min
Flights from $851

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG) cost?
Get a cheap one-way flight from $447 or cheap return flight from $548 from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG)?
November is the most affordable month to fly from STL to ZAG. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG)?
To find the cheapest airline that'll fly you from STL to ZAG, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG)?
You'll need to book a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STL to ZAG?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG) that takes off before 3 PM to reduce the risk of cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG) last-minute?
Waiting until right before your break to book a ticket from STL to ZAG generally means paying more. While you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans to maximize your chances of scoring a bargain.
Is it cheaper to book a STL to ZAG flight and hotel package?
Booking a STL to ZAG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Zagreb Airport (ZAG)?
In most instances, you can cancel or modify your STL to ZAG flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you want further details, head to our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Zagreb
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Iberia, KLM, Lufthansa, Turkish Airlines, United
Roundtrip price
$548
Distance
5036 mi

Book with confidence

St. Louis to Zagreb Flights

The cheapest times to fly from St. Louis to Zagreb

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Zagreb are during the month of November. You can find some of the cheapest flights from St. Louis to Zagreb with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Zagreb

Sunday is one of the best days to book for cheap flights from St. Louis to Zagreb: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Zagreb

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Zagreb in 2025. You can also book with separate airlines for your outbound and return journeys, from $447 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Zagreb flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Zagreb airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Zagreb Flights

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*Available to One Key members.