$189 Cheap Delta flights San Diego (SAN) to Louisville (SDF)

View $189 flight on Sun, Dec 7, 2025Opens in a new window

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$189 Cheap Delta flights San Diego (SAN) to Louisville (SDF)

Prices were available within the past 7 days and start at $189 for one-way flights and $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 4 - Mon, Sep 8
SAN
San Diego
SDF
Louisville
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Sep 4 from San Diego to Louisville, returning Mon, Sep 8, priced at $243 found 2 days ago
Delta
Thu, Sep 4 - Sun, Sep 7
SAN
San Diego
SDF
Louisville
$256 Roundtrip, found 9 hours ago
$256
Roundtrip
found 9 hours ago
Select Delta flight, departing Thu, Sep 4 from San Diego to Louisville, returning Sun, Sep 7, priced at $256 found 9 hours ago
Delta
Tue, Sep 16 - Tue, Sep 23
SAN
San Diego
SDF
Louisville
$307 Roundtrip, found 5 hours ago
$307
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Sep 16 from San Diego to Louisville, returning Tue, Sep 23, priced at $307 found 5 hours ago
Flights from San Diego (SAN) to Louisville (SDF)
Origin airport
San Diego Intl.
Destination airport
Louisville Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Popular airline
Delta
Distance
1800 mi

Frequently asked questions

How much is a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF)?
Make use of the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines round-trip flights from $243 from SAN to SDF. Affordable one-way options from $189 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SAN to SDF with Delta Air Lines?
Search for one-way or return flights to Louisville in January or December. You could find a cheap fare with Delta Air Lines during these quieter months.
What is the cheapest time to book flights from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF) with Delta Air Lines?
Begin your search one to three months before your departure to score cheaper fares on Delta Air Lines flights from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF)?
To figure out if there's a direct route from SAN to SDF with Delta Air Lines or another carrier, check the "Nonstop" box when looking for flights.
What is the earliest Delta Air Lines flight from SAN to SDF?
Browse Delta Air Lines's earliest flights from SAN to SDF by selecting the "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Louisville?
Hop on a Delta Air Lines flight from San Diego Intl. Airport (SAN) to Louisville, and you'll likely arrive at Louisville Intl. Airport (SDF). This is the airline's primary hub in this city.
Why fly with Delta Air Lines from SAN to SDF?
Delta Air Lines makes traveling from SAN to SDF enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Be sure to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from San Diego Intl. Airport (SAN) to Louisville Intl. Airport (SDF)?
It's generally possible to modify or cancel your flight, although there may be additional charges if you made your booking more than 24 hours ago. Need flexible options? Make use of Expedia's "Changes included" and "No cancel fee" filters to find flights that won't charge extra if you have to adjust your plans. To make modifications, go to "Trips," select your flight and click on "Manage Booking" for further information.

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