The cheapest times to fly from SDF to ZAG are

  • January 1st to April 1st
  • June 25th to July 15th
  • October 22nd to December 16th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SDF to ZAG is late January and early February. Prices can be as high as $1774 for Sunday flights during early to mid September, or as low as $1041 for Tuesday flights around late January and early February.


When to Fly to Zagreb

Flying from Louisville, KY (SDF) to Zagreb (ZAG) will usually cost between $1066 to $1615 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January and early February with an average ticket price of $1064. Due to high demand the most expensive time to fly is early to mid September, with an average price of $1578. Planning your trip to low-cost times can easily save you $514 on economy flights and even more on first-class flights. Generally, any price below $1346 can be considered a good price for a round-trip SDF to ZAG flight.

See below for a graph of average weekly prices for the SDF to ZAG route. All prices are for round-trip tickets in USD.

SDF to ZAG Flight Prices

Compared to other flights, the SDF to ZAG flight is slightly more expensive than the average and costs more than the average flight leaving from Louisville. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly to Zagreb, and Saturdays are the most expensive days to return to Louisville. Selecting flights on the least expensive days could save you up to $126 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1229. Return trip prices are from the ZAG to SDF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SDF to ZAG can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 46 minutes may not be realistic.


Flight Hacking SDF to ZAG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SDF to ZAG — but Champion Traveler does!

Hack #1: London (SDF > LHR > ZAG)

  • Price for both tickets: $963
  • Average savings: $383 (28.45%)

See SDF to LHR flights

Hack #2: New York, NY (SDF > LGA > ZAG)

  • Price for both tickets: $982
  • Average savings: $364 (27.04%)

See SDF to LGA flights

Hack #3: New York, NY (SDF > JFK > ZAG)

  • Price for both tickets: $1006
  • Average savings: $340 (25.26%)

See SDF to JFK flights


Flight Questions Answered

Still have questions about flying from SDF to ZAG? We’ve got answers.

Which airlines fly this route?

You can find 20 major airlines flying this route most often: Air Canada, Air France, Alitalia, American, Austrian, British Airways, Brussels Airlines, Croatia, Delta, Eurowings, Finnair, Iberia, KLM, LOT, Lufthansa, SAS, Singapore Airlines, SWISS, Turkish Airlines, United, and potentially more during busy seasons.

How far away is it from Zagreb Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 4884 miles or 7860 kilometers.

How long does it take to fly from SDF to ZAG?

The real-world flight time for a nonstop SDF to ZAG flight is about 9 hour 46 minutes.

How many flights go between Louisville, KY and Zagreb?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from SDF to ZAG.


Airport Location Info


Departing Airport

Origination code SDF
Origination airport name Louisville International-Standiford Field Airport
City Louisville, KY
Country the United States
Latitude 38.2
Longitude -85.7

Return Airport

Destination code ZAG
Destination airport name Zagreb Airport
City Zagreb
Country Croatia
Latitude 45.7
Longitude 16.1


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.