The cheapest times to fly from IST to SDF are

  • April 9th to May 13th (except the week of April 23rd)
  • November 5th to December 9th
  • December 24th to March 25th (except the week of January 1st)

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 IST to SDF is early to mid February. Prices can be as high as $1218 for Friday flights during early August, or as low as $540 for Tuesday flights around early to mid February.


When to Fly to Louisville

Flying from Istanbul (IST) to Louisville, KY (SDF) will usually cost between $572 to $1070 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid February with an average ticket price of $572. Due to high demand the most expensive time to fly is early August, with an average price of $1110. Planning your trip to low-cost times can easily save you $538 on economy flights and even more on first-class flights. Generally, any price below $704 can be considered a good price for a round-trip IST to SDF flight.

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

IST to SDF Flight Prices

Compared to other flights, the IST to SDF flight is cheaper than the average and costs slightly more than the average flight leaving from Istanbul. The average price per mile (for a direct flight) is $0.08, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $138 (10%) 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 $692. Return trip prices are from the SDF to IST 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 IST to SDF can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 2 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from IST to SDF while comparing.

Destination alternative #1: Blue Grass Airport (LEX) in Lexington, KY

  • 62 miles (100 km) away from SDF
  • Usually 5.26% less expensive than SDF
  • 1-layover flights available

See IST to LEX flights

Destination alternative #2: James M Cox/Dayton International Airport (DAY) in Dayton, OH

  • 145 miles (233 km) away from SDF
  • Usually 3.27% less expensive than SDF
  • 1-layover flights available

See IST to DAY flights


Flight Hacking IST to SDF

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 IST to SDF — but Champion Traveler does!

Hack #1: New York, NY (IST > LGA > SDF)

  • Price for both tickets: $695
  • Average savings: $10 (1.35%)

See IST to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Air Canada, Air France, American, atlasglobal, British Airways, Delta, KLM, LOT, Lufthansa, Royal Jordanian, Singapore Airlines, Turkish Airlines, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 5586 miles or 8990 kilometers.

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

The real-world flight time for a nonstop IST to SDF flight is about 11 hour 2 minutes.

How many flights go between Istanbul and Louisville, KY?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from IST to SDF.


Airport Location Info


Departing Airport

Origination codeIST
Origination airport nameAtaturk Airport

Return Airport

Destination codeSDF
Destination airport nameLouisville International-Standiford Field Airport
CityLouisville, KY
Countrythe United States


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.