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Flights from San Diego to Louisville

Find cheap airlines flights from San Diego to Louisville

You can choose from 1 airlines that fly from San Diego to Louisville, including United Airlines, American Airlines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from San Diego to Louisville according to previous 12 months data from Trip.com.

Find flight deals from San Diego to Louisville for the next 3 months. Book one way flights from $152 or round trip flights from $312.

      • SAN 2:10 PM
        6h 49m
        1 stop
        SDF 11:59 PM
        San Diego - Louisville | Tue, Apr 14 | Delta Air Lines
        SDF 6:04 AM
        7h 39m
        1 stop
        SAN 10:43 AM
        Louisville - San Diego | Tue, Apr 21 | Delta Air Lines
        $312 $415
        25% off
        25% off
        $415 $312
      • SAN 6:15 AM
        7h 27m
        1 stop
        SDF 4:42 PM
        San Diego - Louisville | Tue, May 5 | Delta Air Lines
        SDF 7:10 AM
        7h 14m
        1 stop
        SAN 11:24 AM
        Louisville - San Diego | Tue, May 12 | Delta Air Lines
        $315 $415
        24% off
        24% off
        $415 $315
      • SAN 9:55 PM
        8h 33m
        1 stop
        SDF 9:28 AM
        San Diego - Louisville | Tue, Mar 31 | Delta Air Lines
        SDF 6:15 AM
        7h 53m
        1 stop
        SAN 11:08 AM
        Louisville - San Diego | Tue, Apr 7 | Delta Air Lines
        $327 $415
        21% off
        21% off
        $415 $327
      • SAN 6:15 AM
        7h 27m
        1 stop
        SDF 4:42 PM
        San Diego - Louisville | Wed, Apr 22 | Delta Air Lines
        SDF 6:00 AM
        6h 49m
        1 stop
        SAN 9:49 AM
        Louisville - San Diego | Sat, Apr 25 | Delta Air Lines
        $336
        19% off
        $415 $336
      • SAN 6:15 AM
        7h 15m
        1 stop
        SDF 4:30 PM
        San Diego - Louisville | Tue, Mar 24 | Delta Air Lines
        SDF 7:05 AM
        8h 53m
        1 stop
        SAN 12:58 PM
        Louisville - San Diego | Tue, Mar 31 | Delta Air Lines
        $351
        15% off
        $415 $351
      • SAN 10:10 PM
        9h
        1 stop
        SDF 10:10 AM
        San Diego - Louisville | Thu, Mar 26 | Delta Air Lines
        SDF 5:35 PM
        8h 34m
        1 stop
        SAN 11:09 PM
        Louisville - San Diego | Mon, Mar 30 | Delta Air Lines
        $351
        15% off
        $415 $351
      • SAN 10:15 PM
        8h 44m
        1 stop
        SDF 9:59 AM
        San Diego - Louisville | Fri, May 8 | Delta Air Lines
        SDF 7:50 PM
        6h 51m
        1 stop
        SAN 11:41 PM
        Louisville - San Diego | Wed, May 13 | Delta Air Lines
        $353
        15% off
        $415 $353
      • SAN 6:15 AM
        9h 22m
        1 stop
        SDF 6:37 PM
        San Diego - Louisville | Wed, Apr 22 | American Airlines
        SDF 7:37 AM
        9h 28m
        1 stop
        SAN 2:05 PM
        Louisville - San Diego | Sat, Apr 25 | American Airlines
        $355
        14% off
        $415 $355
      • SAN 1:37 PM
        7h 50m
        1 stop
        SDF 12:27 AM
        San Diego - Louisville | Thu, Mar 19 | American Airlines
        SDF 6:23 PM
        8h 36m
        1 stop
        SAN 11:59 PM
        Louisville - San Diego | Mon, Mar 23 | American Airlines
        $358
        14% off
        $415 $358
      • SAN 6:15 AM
        12h 15m
        1 stop
        SDF 9:30 PM
        San Diego - Louisville | Tue, Apr 14 | American Airlines
        SDF 6:00 AM
        8h 4m
        1 stop
        SAN 11:04 AM
        Louisville - San Diego | Tue, Apr 21 | United Airlines
        $361
        13% off
        $415 $361
      • SAN 1:00 PM
        17h 25m
        1 stop
        SDF Invalid Date
        San Diego - Louisville | Tue, Mar 17 | Normal Airline
        SDF 3:00 PM
        6h
        Nonstop
        SAN 4:00 PM
        Louisville - San Diego | Thu, Mar 19 | Normal Airline
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      • SAN 6:15 AM
        14h 33m
        1 stop
        SDF 11:48 PM
        San Diego - Louisville | Tue, May 5 | American Airlines
        $152 $192
        21% off
        21% off
        $192 $152
      • SAN 10:10 PM
        9h
        1 stop
        SDF 10:10 AM
        San Diego - Louisville | Mon, Mar 23 | Delta Air Lines
        $158 $192
        18% off
        18% off
        $192 $158
      • SAN 9:55 PM
        8h 33m
        1 stop
        SDF 9:28 AM
        San Diego - Louisville | Wed, Apr 1 | Delta Air Lines
        $159 $192
        17% off
        17% off
        $192 $159
      • SAN 11:58 AM
        7h 50m
        1 stop
        SDF 10:48 PM
        San Diego - Louisville | Wed, May 6 | Delta Air Lines
        $160
        17% off
        $192 $160
      • SAN 6:30 AM
        6h 16m
        1 stop
        SDF 3:46 PM
        San Diego - Louisville | Tue, May 12 | Delta Air Lines
        $160
        17% off
        $192 $160
      • SAN 6:25 AM
        6h 36m
        1 stop
        SDF 4:01 PM
        San Diego - Louisville | Tue, May 5 | Delta Air Lines
        $160
        17% off
        $192 $160
      • SAN 6:25 AM
        6h 36m
        1 stop
        SDF 4:01 PM
        San Diego - Louisville | Wed, Apr 15 | Delta Air Lines
        $167
        13% off
        $192 $167
      • SAN 10:10 PM
        8h 56m
        1 stop
        SDF 10:06 AM
        San Diego - Louisville | Thu, Apr 16 | Delta Air Lines
        $167
        13% off
        $192 $167
      • SAN 12:48 PM
        8h 37m
        1 stop
        SDF 12:25 AM
        San Diego - Louisville | Thu, May 7 | Delta Air Lines
        $167
        13% off
        $192 $167
      • SAN 6:15 AM
        15h 8m
        1 stop
        SDF 12:23 AM
        San Diego - Louisville | Tue, May 12 | American Airlines
        $167
        13% off
        $192 $167
      • SAN 1:00 PM
        17h 25m
        1 stop
        SDF Invalid Date
        San Diego - Louisville | Tue, Mar 17 | Normal Airline
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        Find more flights

Displayed flight fares from San Diego to Louisville are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | San Diego to Louisville

The distance between San Diego and Louisville is approximately 2,897.59 km. Based on Trip.com's data travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight price$152
Cheapest round-trip ticket price$312
Off-season for travelSeptember
Peak season for travelJuly
Flight distance2,897.59 km
Popular airlineUnited Airlines
Flight statistics for the San Diego–Louisville route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Diego to Louisville (SAN-SDF)?

    Based on Trip.com data, American Airlines offers one-way fares as low as $152 on Cheapest nonstop routes (e.g. SAN to SDF on Tue, May 5), while Delta Air Lines offers Cheapest nonstop round-trips from $312 departing on Tue, Apr 14 and returning on Tue, Apr 21.
  • At the moment, several airlines serve connecting flights from San Diego to Louisville, including: United Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Diego 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.
  • To find best deals on flights from San Diego 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 Tue, May 5, with one-way flights priced at just $152.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is American Airlines.
    · 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.
  • The cheapest months to fly from San Diego to Louisville is September, when demand for travel is lower.
  • After crunching the numbers on our March flight calendar, it's currently cheapest to fly from San Diego to Louisville on March 31, 2026 with Delta Air Lines, with prices starting at $327.
  • You can land at any one of the following hubs in Louisville, with San Diego International Airport to Louisville International Airport (SAN-SDF) is by far the most common option on this route: Louisville International Airport (SDF).
  • The time difference between Louisville and San Diego is 3h.
  • 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.

Trip.com airline insights on flights from San Diego to Louisville

Which airlines offer the cheapest nonstop flights from San Diego to Louisville?

Data is based on the average price of all nonstop flights from San Diego to Louisville on Trip.com in the past 12 months.

Based on Trip.com data from the past 12 months, United Airlines offers the cheapest nonstop flights from San Diego to Louisville, with an average price of $348.

$319
$348
$378
$407
$436
United Airlines
$348
United Airlines
American Airlines
$428
American Airlines
Delta Air Lines
$436
Delta Air Lines

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
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.
Cancellation/change due to a flight schedule change:
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.