The cheapest times to fly from BJX to SDF are

  • January 15th to March 18th
  • April 9th to June 17th (except the week of April 23rd)
  • October 15th to November 18th

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 BJX to SDF is early November. Prices can be as high as $860 for Sunday flights during early January, or as low as $506 for Tuesday flights around early November.


When to Fly to Louisville

Flying from Leon/Guanajuato (BJX) to Louisville, KY (SDF) will usually cost between $537 to $741 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $537. Due to high demand the most expensive time to fly is early January, with an average price of $752. Planning your trip to low-cost times can easily save you $215 on economy flights and even more on first-class flights. Generally, any price below $568 can be considered a good price for a round-trip BJX to SDF flight.

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

BJX to SDF Flight Prices

Compared to other flights, the BJX to SDF flight is cheaper than the average and costs less than the average flight leaving from León. The average price per mile (for a direct flight) is $0.23, 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 Louisville, and Saturdays are the most expensive days to return to León. Selecting flights on the least expensive days could save you up to $50 (8%) 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 $556. Return trip prices are from the SDF to BJX 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 BJX 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 3 hour 42 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 BJX to SDF while comparing.

Destination alternative #1: Evansville Regional Airport (EVV) in Evansville, IN

  • 98 miles (158 km) away from SDF
  • Usually 5.99% less expensive than SDF
  • 1-layover flights available

See BJX to EVV flights

Destination alternative #2: Blue Grass Airport (LEX) in Lexington, KY

  • 62 miles (100 km) away from SDF
  • Usually 2.64% less expensive than SDF
  • 1-layover flights available

See BJX to LEX flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Aeromexico, American, Delta, Frontier, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 1513 miles or 2435 kilometers.

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

The real-world flight time for a nonstop BJX to SDF flight is about 3 hour 42 minutes.

How many flights go between Leon/Guanajuato and Louisville, KY?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from BJX to SDF.


Airport Location Info


Departing Airport

Origination codeBJX
Origination airport nameGuanajuato International 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.