SDF - SAN

$142 Find Cheap Flights from Louisville to San Diego - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$268
Typical prices: $377-$559
Multiple Airlines
Fri 12/7Thu 12/13
SDF - SAN • 1 stop
Cheapest one-way
$142
Typical prices: $210-$516
American Airlines
Mon 11/19
SDF - SAN • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Louisville and San Diego. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 17% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Nashville Intl (BNA)
Cheapest • Avg $375 (round-trip)
Phoenix Sky Harbor Intl (PHX)
Shortest trip • 6h 13m (one-way)
Insights
Insights
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We hope you love your trip to San Diego!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Louisville to San Diego (SDF-SAN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Louisville to San Diego

Mon, Dec 7 - Sun, Dec 13
Multiple Airlines Logo
8:47 am - 6:16 pmSDF  Louisville Intl-SAN San Diego
12h 29m1 stop San Francisco
Multiple Airlines Logo
7:51 pm - 7:19 pmSAN  San Diego-SDF Louisville Intl
20h 28m1 stop San Francisco
$268Multiple Airlines
Fri, Dec 11 - Sun, Dec 13
Multiple Airlines Logo
8:47 am - 6:16 pmSDF  Louisville Intl-SAN San Diego
12h 29m1 stop San Francisco
Multiple Airlines Logo
7:51 pm - 7:19 pmSAN  San Diego-SDF Louisville Intl
20h 28m1 stop San Francisco
$271Multiple Airlines
Tue, Dec 8 - Tue, Dec 15
Southwest Logo
6:50 am - 10:10 amSDF  Louisville Intl-SAN San Diego
6h 20m1 stop Denver Intl
Southwest Logo
11:55 am - 8:40 pmSAN  San Diego-SDF Louisville Intl
5h 45m1 stop Nashville Intl
$283Southwest
Wed, Dec 9 - Wed, Dec 9
Southwest Logo
7:20 am - 10:35 amSDF  Louisville Intl-SAN San Diego
6h 15m1 stop Nashville Intl
Southwest Logo
12:35 pm - 10:55 pmSAN  San Diego-SDF Louisville Intl
7h 20m1 stop Denver Intl
$283Southwest
Wed, Nov 18 - Mon, Nov 23
American Airlines Logo
6:27 am - 10:56 amSDF  Louisville Intl-SAN San Diego
7h 29m1 stop Chicago O'Hare Intl
American Airlines Logo
1:15 pm - 12:15 amSAN  San Diego-SDF Louisville Intl
8h 00m1 stop Dallas/Fort Worth
$283American Airlines
Tue, Dec 1 - Sat, Dec 5
American Airlines Logo
6:24 am - 10:59 amSDF  Louisville Intl-SAN San Diego
7h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
7:15 am - 4:26 pmSAN  San Diego-SDF Louisville Intl
6h 11m1 stop Dallas/Fort Worth
$283American Airlines
Thu, Dec 10 - Sat, Dec 12
Delta Logo
5:56 pm - 10:15 pmSDF  Louisville Intl-SAN San Diego
7h 19m1 stop Detroit Metropolitan Wayne County
Delta Logo
6:15 am - 4:54 pmSAN  San Diego-SDF Louisville Intl
7h 39m1 stop Detroit Metropolitan Wayne County
$283Delta
Sat, Dec 5 - Sat, Dec 12
Delta Logo
10:59 am - 6:23 pmSDF  Louisville Intl-SAN San Diego
10h 24m1 stop Detroit Metropolitan Wayne County
Delta Logo
11:37 am - 9:17 pmSAN  San Diego-SDF Louisville Intl
6h 40m1 stop Detroit Metropolitan Wayne County
$283Delta
Mon, Nov 16 - Fri, Nov 20
United Airlines Logo
2:11 pm - 8:33 pmSDF  Louisville Intl-SAN San Diego
9h 22m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
12:39 pm - 10:24 pmSAN  San Diego-SDF Louisville Intl
6h 45m1 stop Denver Intl
$375United Airlines
Tue, Dec 1 - Sat, Dec 5
United Airlines Logo
7:10 am - 11:27 amSDF  Louisville Intl-SAN San Diego
7h 17m1 stop Chicago O'Hare Intl
United Airlines Logo
6:20 am - 6:17 pmSAN  San Diego-SDF Louisville Intl
8h 57m2 stops Los Angeles Chicago O'Hare Intl
$380United Airlines
Booking Insights

Price, demand and travel trends for Louisville to San Diego flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Louisville to San Diego?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Louisville to San Diego. It’s 20% cheaper than the average day, while Sunday is the most expensive, with prices 19% higher.

What’s the cheapest month to fly from Louisville to San Diego?

•February is the cheapest month to fly from Louisville to San Diego at $378 round-trip.
•March ($544) and December ($533) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 43% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Louisville to San Diego the cheapest?

Flights from Louisville to San Diego are cheapest 20 weeks before departure. Booking in this window typically costs about 58% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Louisville to San Diego flights

Low season

February

Cheapest flight

$142
Beat the crowds with an average 32% drop in travelers.
The most popular month to fly with an average 25% increase in travelers.
One-way flight from Louisville to San Diego

When to book flights from Louisville to San Diego

Are your dates flexible? Find out the best times to travel from Louisville to San Diego based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Louisville to San Diego flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Louisville to San Diego?

    Two cabin classes are available on flights from Louisville to San Diego:

    • Economy Class
    • First Class

  • How long is a flight from Louisville to San Diego?

    A nonstop flight from Louisville to San Diego takes 00m, covering 1,800 miles.

  • Do I need a passport to fly from Louisville to San Diego?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Louisville to San Diego flight?

    Round-trip flights from Louisville to San Diego range from $377 to $559, with an average of $456 over the past 12 months. Anything below $377 counts as a good deal.

  • How expensive are last-minute Louisville to San Diego flights?

    Last-minute fares on this route (booked within two weeks of departure) run 94% above the $456 route average. Book 20 weeks before departure for the lowest fares.

  • Have flight prices from Louisville to San Diego changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $268 to $2,026. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Louisville to San Diego looking right now?

    One-way fares from Louisville to San Diego are currently lower than usual. Average one-way flight prices are about $162, which is 42% below the typical average for this route.

  • What car rental options are available at San Diego Airport (SAN)?

    San Diego Airport (SAN) hosts 5 major car rental companies, with daily rates averaging $53 for economy cars. Top options include:

    • Dollar
    • Payless
    • Europcar
    • Thrifty
    • Fox

  • Which airports can I use when flying from Louisville to San Diego?

    Flights from Louisville to San Diego usually depart from Louisville Intl (SDF) and arrive at San Diego (SAN).

  • Which airports do connecting flights from Louisville to San Diego pass through?

    One-stop flights from Louisville to San Diego most commonly connect through:

    • Dallas/Fort Worth (DFW) - 28% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 16% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 13% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Louisville to San Diego?

    Yes. Flexible dates can save you up to 33% on flights from Louisville to San Diego. Tuesday is the cheapest departure day at $369 round-trip on average, while Sunday is the most expensive at $544, a difference of $175.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Louisville to San Diego?

    Flying via Phoenix Sky Harbor Intl (PHX) gives the shortest average 1-stop total travel time at 6h 13m, compared with 6h 22m via Nashville Intl (BNA) and 6h 39m via Dallas Love Field (DAL).

  • What is the time difference between Louisville and San Diego?

    San Diego is 3 hours behind Louisville (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Diego?

    Some of the most popular sights in San Diego are Gaslamp Quarter, San Diego Convention Center and SeaWorld San Diego. These are among the most viewed places in San Diego on KAYAK.

Your guide to booking Louisville to San Diego flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $369, about $175 less than Sunday fares (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 58% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Louisville to San Diego trip for February. Fares historically average $378 round-trip in that month - typically $166 less than the most expensive month, which is March (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Diego Airport.

    • Courtyard by Marriott San Diego Downtown Little Italy
    • Bay Club Hotel & Marina
    • Sheraton San Diego Resort

More options for your flight from Louisville to San Diego

Complete your trip to San Diego with a hotel stay or car rental

Car rentals in San Diego
Hotels in San Diego
Vacations in San Diego