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707 € Cheap Flights from St Louis to Zagreb

Compare St Louis to Zagreb flight deals

Find the cheapest month or even day of the year to fly to Zagreb

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Flight deals from St Louis to Zagreb

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Zagreb Airport? If you want to travel next month, return fares start from 977 €. Find the lowest prices on one-way and return tickets right here.
Zagreb.707 € per passenger.Departing Wed, 15 Jul, returning Tue, 1 Sep.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 15 Jul, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Tue, 1 Sep, arriving in St Louis.Price includes taxes and charges.From 707 €, select.
Zagreb.712 € per passenger.Departing Sun, 1 Nov, returning Sun, 8 Nov.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Sun, 1 Nov, arriving in Zagreb.Inbound indirect flight with Lufthansa, departs from Zagreb on Sun, 8 Nov, arriving in St Louis.Price includes taxes and charges.From 712 €, select.
Zagreb.722 € per passenger.Departing Mon, 3 Aug, returning Tue, 18 Aug.Return flight with Austrian Airlines and Lufthansa.Outbound indirect flight with Austrian Airlines, departs from St Louis on Mon, 3 Aug, arriving in Zagreb.Inbound indirect flight with Lufthansa, departs from Zagreb on Tue, 18 Aug, arriving in St Louis.Price includes taxes and charges.From 722 €, select.
Zagreb.737 € per passenger.Departing Sun, 19 Jul, returning Fri, 21 Aug.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sun, 19 Jul, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Fri, 21 Aug, arriving in St Louis.Price includes taxes and charges.From 737 €, select.
Zagreb.738 € per passenger.Departing Mon, 5 Oct, returning Mon, 12 Oct.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 5 Oct, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Mon, 12 Oct, arriving in St Louis.Price includes taxes and charges.From 738 €, select.
Zagreb.760 € per passenger.Departing Tue, 1 Sep, returning Wed, 30 Sep.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from St Louis on Tue, 1 Sep, arriving in Zagreb.Inbound indirect flight with Lufthansa, departs from Zagreb on Wed, 30 Sep, arriving in St Louis.Price includes taxes and charges.From 760 €, select.
Zagreb.763 € per passenger.Departing Wed, 5 Aug, returning Sat, 5 Sep.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 5 Aug, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Sat, 5 Sep, arriving in St Louis.Price includes taxes and charges.From 763 €, select.
Zagreb.977 € per passenger.Departing Sat, 4 Jul, returning Sun, 12 Jul.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Sat, 4 Jul, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Sun, 12 Jul, arriving in St Louis.Price includes taxes and charges.From 977 €, select.
Zagreb.1.291 € per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with Volaris and Ryanair.Outbound indirect flight with Volaris, departs from St Louis on Tue, 23 Jun, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Tue, 30 Jun, arriving in St Louis.Price includes taxes and charges.From 1.291 €, select.
Zagreb.1.325 € per passenger.Departing Tue, 10 Nov, returning Tue, 22 Dec.Return flight with Frontier Airlines and Ryanair.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 10 Nov, arriving in Zagreb.Inbound indirect flight with Ryanair, departs from Zagreb on Tue, 22 Dec, arriving in St Louis.Price includes taxes and charges.From 1.325 €, select.

Find the cheapest month to fly from St Louis to Zagreb

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Zagreb flights are currently cheapest in November.
Jun
from 1.291 €
Jul
from 977 €
Aug
from 722 €
Sep
from 760 €
Oct
from 738 €
Nov
from 712 €
Dec
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Jan
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Feb
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Mar
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Apr
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May
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St Louis to Zagreb: Alternative routes

Compare routes from St Louis to Zagreb below. You may find an airport to fly into that's cheaper, faster, or easier than Zagreb.

Zagreb

11km from central Zagreb
ClosestCheapest
from 707 €
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St Louis to Zagreb: Flight information

The things to know before you go.
Cheapest flight found707 €
Cheapest month to flyJuly

Finding cheap flights from St Louis to Zagreb: Frequently asked questions

The best price we found for a return flight from St Louis to Zagreb is 707 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Zagreb. But we found flights with one or more stops from 707 €.
As of June 2026, there are no flights flying from St Louis to Zagreb.
The cheapest month to fly from St Louis to Zagreb is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Zagreb Airport on Wednesday, 15 July 2026.
No airlines currently offer direct flights between St Louis Airport and Zagreb Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Zagreb but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Zagreb is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Zagreb.

Flying from St Louis Airport (STL) to Zagreb Airport (ZAG): what you need to know

  • The timezone in Zagreb is UTC+1, which is seven hours ahead of St Louis.

  • Your STL to ZAG flight won't wait if you're late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, you'll want to get to the airport earlier than normal. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during a peak period in general.

  • Opt for a stopover if you'd love to break up your flight. Simply deselect 'Direct flights only' to see the options for tickets from St Louis Airport to Zagreb Airport. Frankfurt am Main Airport is a top stopover on the STL to ZAG route.

Handy information about St Louis Airport (STL)

Arriving at Zagreb Airport (ZAG)

  • If you're landing on a late St Louis Airport to Zagreb Airport flight, few things top the convenience of being near the terminal. Grab your bags from the carousel and then be showered and resting shortly after at one of these options near ZAG:

  • Grab a Zagreb Airport rental car and discover Zagreb and beyond with your own wheels. AVIA Rent, Green Motion and OK Mobility are popular outlets you can book with here.

  • Secure the lowest price by reserving your ride from Zagreb Airport about four weeks before your travel date.

When to fly to Zagreb Airport (ZAG)

  • September is the most popular month for flights from St Louis Airport to Zagreb Airport. To avoid the crowds, travel to Zagreb in March.

  • When booking your flight from St Louis Airport to Zagreb Airport, think about the kind of weather you like. August is the warmest month in Zagreb, with the temperature ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • January sees average temperatures of between -7ºC (19ºF) and 8ºC (46ºF). Look for cheap tickets from STL to ZAG sometime around then if you like cooler conditions.

Explore more of Croatia

  • You've visited Zagreb, now it's time to discover more of Croatia. Journey about 257 kilometres south to Split to check off its leading sights. From Diocletian's Palace to Old Split and Peristil, there's plenty to keep you on the go.

  • Rijeka is another essential stop in Croatia and is around 129 kilometres south-west of Zagreb. No journey is complete without seeing Teatro Fenice, The St. Vitus Cathedral and Church of St. Nicholas.

Plan the rest of your trip from St Louis to Zagreb

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.