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Find cheap Delta flights to Louisville

CMH — SDF
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Delta flight deals to Louisville

Cheapest Delta flights from USA to Louisville
Explore the most affordable Delta flight options available from USA to Louisville. Find the lowest fares with prices last updated on July 27, 2026.

This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 pm
LGA
-
SDF
Nonstop2h 39m
Delta
Sun 9/62:09 pm
SDF
-
LGA
Nonstop2h 21m
Delta
Deal found 7/27$249
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:47 pm
IAD
-
SDF
1 stop4h 21m
Delta
Wed 8/195:25 pm
SDF
-
IAD
1 stop6h 01m
Delta
Deal found 7/27$250
This Delta deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/215:47 pm
IAD
-
SDF
1 stop4h 23m
Delta
Wed 8/267:05 am
SDF
-
IAD
1 stop4h 28m
Delta
Deal found 7/23$253

Flights to Louisville with Delta at a glance

Find detailed information about Delta flights from USA to Louisville. Explore the options provided by Delta to plan your journey from USA to Louisville. Data last updated July 27, 2026.

Popular in

February

Cheapest in

August

Average price

$418

Round-trip from

$249

One-way from

$127

Good one-way deal

$278 or less
Highest demand for flights to Louisville with Delta; 6% potential price increase.
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Best time to find cheap flights to Louisville with Delta; 0% potential price drop.
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Average price for flights to Louisville with Delta (round-trip).
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Delta
  • Delta
  • 8/28-9/6
  • Nonstop
  • 5h 00m total
  • USA to Louisville
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Delta
  • Delta
  • 8/19
  • 1 total stop
  • 5h 21m total
  • USA to Louisville
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Price to beat on a one-way flight from the United States to Louisville with Delta.
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Cheapflights Insights

Find cheap Delta flights to Louisville

How long is the flight to Louisville with Delta?

On average, Delta flights from the United States to Louisville take 2 hours 9 minutes. Flights to Louisville from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Delta weekly flight availability to Louisville

The most flights to Louisville operated by Delta are scheduled on a Sunday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

When is the best time to book a flight to Louisville with Delta?

The best time to book a flight to Louisville with Delta is 47 days before departure. On average, fares are higher if you book 1 day before departure.

When is the cheapest time to fly to Louisville with Delta?

Users looking for the cheapest Delta fares to Louisville should consider flying on Saturday at noon, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

FAQs about flights to Louisville with Delta

  • Which airport do Delta flights arrive at when travelling to Louisville?

    Delta flights on this route tend to land at Louisville Intl Airport.

  • Is Delta the cheapest airline for a flight to Louisville?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Louisville tends to be with Allegiant Air.

  • Are there alternative airlines other than Delta that fly to Louisville?

    American Airlines, United Airlines and Southwest all fly to Louisville and offer an alternative to Delta.

  • How much is a flight to Louisville with Delta?

    The average price for a return flight with Delta is $420; with a one-way flight around $319.

See more FAQs

Reviews of Delta

See what Cheapflights users have to say about their Delta experience.
Delta
7.8
Good
8,483 reviews
Overview

Comfort

7.8

Food

7.2

Entertainment

7.8

Boarding

8.1

Crew

8.5

Popular Delta flights

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Other airports near Louisville Intl

Other Louisville travelers fly to these airports near Louisville Intl.
Flights to Lexington Blue Grass Airport
Flights to Owensboro Daviess County Airport
Flights to Paducah Barkley Regional Airport