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

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      Travelers and cabin class, 1 Adult, Economy

      Compare St Louis to Zagreb flight deals

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

      Book the best Zagreb fare with no extra fees

      Flight deals from St Louis to Zagreb

      Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Zagreb? Find the lowest prices on one-way and round-trip tickets right here.

      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 June.

      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.

      St Louis to Zagreb: Flight information

      The things to know before you go.
      Cheapest flight found$423
      Cheapest month to flyJune

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

      The best price we found for a round-trip flight from St Louis to Zagreb is $623. 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 $623.
      There are no flights flying from St Louis to Zagreb, as of May 2025.
      The cheapest month to fly from St Louis to Zagreb is usually May 2025.
      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 Tuesday, March 17, 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, Air Canada offers the cheapest flight tickets to Zagreb.

      Flying from Lambert-St. Louis International Airport (STL) to Franjo Tudman Airport (ZAG): what you need to know

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

      • Give yourself enough time to catch your STL to ZAG flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

      • Traveling during a peak time such as July? School holidays and other popular seasons can mean longer lines at security. Play things extra safe and arrive up to four hours before international flights and two hours before domestic departures.

      • Pick a stopover if you prefer to break up your flight. Just uncheck 'Direct flights only' to look at your options for tickets from Lambert-St. Louis International Airport to Franjo Tudman Airport. Pearson International Airport is a top stopover on the STL to ZAG route.

      How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Franjo Tudman Airport (ZAG)

      • $423 is currently the best price for a one-way Lambert-St. Louis International Airport to Franjo Tudman Airport flight. A return flight starts at $623. These fares can change depending on demand and availability.

      • To get your hands on cheap tickets from STL to ZAG, book as early as you can. Airlines tend to offer the most competitive fares when flights are first released.

      • Getting cheap flights from Lambert-St. Louis International Airport to Franjo Tudman Airport is easy if you can be flexible with your trip dates. Use the 'Whole month' tool to see the lowest fares throughout the month and bag a great deal.

      • Cut down on the time spent looking for cheap flights from STL to ZAG by setting up a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

      • Tailor your trip with filters. Select your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Lambert-St. Louis International Airport to Franjo Tudman Airport.

      Handy information about Lambert-St. Louis International Airport (STL)

      Arriving at Franjo Tudman Airport (ZAG)

      • If you're arriving on a late Lambert-St. Louis International Airport to Franjo Tudman Airport flight, nothing tops the convenience of being close to the terminal. Collect your bags from the carousel and then be resting soon after at one of these hotels near ZAG:

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

      • Lock in the best possible rate by reserving your ride from Franjo Tudman Airport about four weeks ahead of your departure.

      Getting from Franjo Tudman Airport (ZAG) to central Zagreb

      • Franjo Tudman Airport is approximately 10 miles from central Zagreb. The drive time takes about 25 minutes.

      • If you're taking public transport, expect a journey time of about 1 hour.

      When to fly to Franjo Tudman Airport (ZAG)

      • The quietest month for a flight from Lambert-St. Louis International Airport to Franjo Tudman Airport is February, while August is the most popular. Choose the ideal time to go to Zagreb based on whether you prefer a laid-back vibe or a more bustling atmosphere.

      • The warmest month in Zagreb is August, with temperatures ranging between 57ºF and 86ºF. Lock in your flights from Lambert-St. Louis International Airport to Franjo Tudman Airport in this month if this is the type of weather you like.

      • If you like traveling in cooler conditions, look for a cheap ticket from STL to ZAG in January. Temperatures average between 19ºF and 46ºF then.

      Explore more of Croatia

      • You've seen Zagreb, now it's time to discover more of Croatia. Journey about 160 miles south to Split to tick off its popular sights. From Diocletian's Palace to Marjan Hill Stairs and Riva Harbor, there's plenty to keep you on the go.

      • If you're ready to explore another great destination in Croatia, head for Rijeka, roughly 80 miles south-west of Zagreb. Trsat castle park, Old Gateway (Roman Arch) and Korzo are highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 45 days.