The cheapest times to fly from SDF to SCL are

  • January 8th to February 4th
  • March 12th to April 29th
  • May 14th to June 17th
  • August 6th to December 2nd (except the weeks of September 3rd, September 17th, October 15th, and October 22nd)

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 SCL is early October. Prices can be as high as $2101 for Saturday flights during late December, or as low as $1377 for Monday flights around early October.


When to Fly to Santiago

Flying from Louisville, KY (SDF) to Santiago (SCL) will usually cost between $1397 to $1658 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early October with an average ticket price of $1398. Due to high demand the most expensive time to fly is late December, with an average price of $1787. Planning your trip to low-cost times can easily save you $389 on economy flights and even more on first-class flights. Generally, any price below $1447 can be considered a good price for a round-trip SDF to SCL flight.

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

SDF to SCL Flight Prices

Compared to other flights, the SDF to SCL 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 $0.18, which is below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to SCL, and Wednesday the cheapest day to fly back into SDF. Saturdays 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 $96 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1426. Return trip prices are from the SCL 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 SCL can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 3 minutes may not be realistic.


Flight Hacking SDF to SCL

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 SCL — but Champion Traveler does!

Hack #1: Toronto (SDF > YYZ > SCL)

  • Price for both tickets: $1047
  • Average savings: $401 (27.68%)

See SDF to YYZ flights

Hack #2: Chicago, IL (SDF > ORD > SCL)

  • Price for both tickets: $1063
  • Average savings: $384 (26.54%)

See SDF to ORD flights

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

  • Price for both tickets: $1097
  • Average savings: $350 (24.19%)

See SDF to JFK flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Air Canada, American, Avianca, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from Arturo Merino Benitez International Airport to Louisville International-Standiford Field Airport?

The distance between the two airports is roughly 5036 miles or 8105 kilometers.

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

The real-world flight time for a nonstop SDF to SCL flight is about 10 hour 3 minutes.

How many flights go between Louisville, KY and Santiago?

It depends on the day of the week and the date, but a typical day might have around 25 available flights from SDF to SCL.


Airport Location Info


Departing Airport

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

Return Airport

Destination codeSCL
Destination airport nameArturo Merino Benitez International Airport


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.