The cheapest times to fly from CDG to SDF are

  • January 8th to March 25th
  • April 23rd to July 1st
  • November 5th to December 9th

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 CDG to SDF is mid May. Prices can be as high as $1668 for Friday flights during late July, or as low as $775 for Tuesday flights around mid May.


When to Fly to Louisville

Flying from Paris (CDG) to Louisville, KY (SDF) will usually cost between $841 to $1561 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid May with an average ticket price of $807. Due to high demand the most expensive time to fly is late July, with an average price of $1606. Planning your trip to low-cost times can easily save you $799 on economy flights and even more on first-class flights. Generally, any price below $938 can be considered a good price for a round-trip CDG to SDF flight.

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

CDG to SDF Flight Prices

Compared to other flights, the CDG to SDF flight is priced close to the average and costs slightly more than the average flight leaving from Paris. The average price per mile (for a direct flight) is $0.14, 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 to Louisville, and Saturdays are the most expensive days to return to Paris. Selecting flights on the least expensive days could save you up to $100 (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 $994. Return trip prices are from the SDF to CDG 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 CDG 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 8 hour 35 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 CDG to SDF while comparing.

Destination alternative #1: James M Cox/Dayton International Airport (DAY) in Dayton, OH

  • 145 miles (233 km) away from SDF
  • Usually 13.17% less expensive than SDF
  • 1-layover flights available

See CDG to DAY flights

Destination alternative #2: Indianapolis International Airport (IND) in Indianapolis, IN

  • 111 miles (179 km) away from SDF
  • Usually 6.19% less expensive than SDF
  • Nonstop flights available

See CDG to IND flights

Destination alternative #3: Blue Grass Airport (LEX) in Lexington, KY

  • 62 miles (100 km) away from SDF
  • Usually 0.80% less expensive than SDF
  • 1-layover flights available

See CDG to LEX flights


Flight Hacking CDG 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 CDG to SDF — but Champion Traveler does!

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

  • Price for both tickets: $605
  • Average savings: $333 (35.52%)

See CDG to JFK flights

Hack #2: New York, NY (CDG > JFK > SDF)

  • Price for both tickets: $606
  • Average savings: $332 (35.41%)

See CDG to LGA flights

Hack #3: Boston, MA (CDG > BOS > SDF)

  • Price for both tickets: $622
  • Average savings: $316 (33.71%)

See CDG to BOS flights


Flight Questions Answered

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

Which airlines fly this route?

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

How far away is it from Louisville International-Standiford Field Airport to Paris Charles de Gaulle Airport?

The distance between the two airports is roughly 4227 miles or 6803 kilometers.

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

The real-world flight time for a nonstop CDG to SDF flight is about 8 hour 35 minutes.

How many flights go between Paris and Louisville, KY?

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


Airport Location Info


Departing Airport

Origination code CDG
Origination airport name Paris Charles de Gaulle Airport
City Paris
Country France
Latitude 49
Longitude 2.6

Return Airport

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


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.