Cheap Flight Deals from Detroit to Louisville

Frequently Asked Questions

• How long does it take to fly from Detroit (DTT) to Louisville (SDF) and what is the distance?

  It takes around 1 hour 26 minutes to fly from Detroit (DTT) to Louisville (SDF).

• When is the best time to book flights from Detroit to Louisville?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Detroit to Louisville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Detroit to Louisville?

  To find best deals on flights from Detroit to Louisville, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Nov 29, with one-way flights priced at just PHP 25,637.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Louisville travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Detroit (DTT) to Louisville (SDF) the cheapest?

  The cheapest months to fly from Detroit to Louisville is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Detroit to Louisville on?

  After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Detroit to Louisville on November 27, 2025 with Delta Air Lines, with prices starting at PHP 19,154.

• Is there any time difference between Detroit and Louisville?

  The time difference between Louisville and Detroit is 0h.

• How do I change or cancel my ticket from Detroit to Louisville?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.