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Cheap flights from Louisville to San Diego from $95

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Diego departing on 10/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Louisville to San Diego (SDF-SAN)

Cheap round-trip flights

Spirit Airlines Logo
4:20 pm - 10:26 pmSDF-SAN
9h 06m1 stop
Spirit Airlines Logo
7:47 pm - 3:20 pmSAN-SDF
16h 33m1 stop
$192Spirit Airlines
Find Deal
Fri, Sep 26 - Wed, Oct 1
Spirit Airlines Logo
4:20 pm - 10:26 pmSDF-SAN
9h 06m1 stop
Spirit Airlines Logo
6:15 am - 3:20 pmSAN-SDF
6h 05m1 stop
$198Spirit Airlines
Find Deal
Mon, Sep 8 - Thu, Sep 11
Spirit Airlines Logo
4:20 pm - 10:26 pmSDF-SAN
9h 06m1 stop
Spirit Airlines Logo
6:15 am - 3:20 pmSAN-SDF
6h 05m1 stop
$206Spirit Airlines
Find Deal
Mon, Sep 8 - Fri, Sep 12
American Airlines Logo
7:32 am - 12:04 pmSDF-SAN
7h 32m1 stop
American Airlines Logo
1:19 pm - 11:03 pmSAN-SDF
6h 44m1 stop
$219American Airlines
Find Deal
Wed, Oct 22 - Tue, Oct 28
American Airlines Logo
6:46 pm - 10:24 pmSDF-SAN
6h 38m1 stop
American Airlines Logo
9:59 am - 8:29 pmSAN-SDF
7h 30m1 stop
$228American Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
Southwest Logo
6:30 am - 11:05 amSDF-SAN
7h 35m1 stop
Southwest Logo
10:30 am - 9:10 pmSAN-SDF
7h 40m2 stops
$232Southwest
Find Deal
Sat, Jan 24 - Tue, Jan 27
Southwest Logo
8:55 am - 7:00 pmSDF-SAN
13h 05m2 stops
Southwest Logo
9:40 am - 9:10 pmSAN-SDF
8h 30m2 stops
$243Southwest
Find Deal
Sat, Jan 24 - Tue, Jan 27
Delta Logo
7:09 am - 12:35 pmSDF-SAN
8h 26m1 stop
Delta Logo
10:20 pm - 9:50 amSAN-SDF
8h 30m1 stop
$277Delta
Find Deal
Sat, Oct 18 - Tue, Oct 21
United Airlines Logo
3:30 pm - 11:41 pmSDF-SAN
11h 11m2 stops
United Airlines Logo
10:30 pm - 9:59 amSAN-SDF
8h 29m1 stop
$322United Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
United Airlines Logo
5:52 pm - 10:02 pmSDF-SAN
7h 10m1 stop
United Airlines Logo
12:52 pm - 10:30 pmSAN-SDF
6h 38m1 stop
$324United Airlines
Find Deal
Sat, Sep 6 - Tue, Sep 9

Spirit Airlines flights from Louisville to San Diego

Our best Spirit Airlines deals on Louisville to San Diego flight tickets
Spirit Airlines
Sep 26
SDF4:20 pmLouisville Intl
9h 06m
1 stop
SAN10:26 pmSan Diego
Oct 1
SAN7:47 pmSan Diego
16h 33m
1 stop
SDF3:20 pmLouisville Intl
$192
Find similar
Spirit Airlines
Sep 8
SDF4:20 pmLouisville Intl
9h 06m
1 stop
SAN10:26 pmSan Diego
Sep 11
SAN6:15 amSan Diego
6h 05m
1 stop
SDF3:20 pmLouisville Intl
$198
Find similar
Spirit Airlines
Sep 8
SDF4:20 pmLouisville Intl
9h 06m
1 stop
SAN10:26 pmSan Diego
Sep 12
SAN6:15 amSan Diego
6h 05m
1 stop
SDF3:20 pmLouisville Intl
$206
Find similar

American Airlines flights from Louisville to San Diego

Our best American Airlines deals on Louisville to San Diego flight tickets
American Airlines
Oct 22
SDF7:32 amLouisville Intl
7h 32m
1 stop
SAN12:04 pmSan Diego
Oct 28
SAN1:19 pmSan Diego
6h 44m
1 stop
SDF11:03 pmLouisville Intl
$219
Find similar
American Airlines
Oct 22
SDF6:46 pmLouisville Intl
6h 38m
1 stop
SAN10:24 pmSan Diego
Oct 27
SAN9:59 amSan Diego
7h 30m
1 stop
SDF8:29 pmLouisville Intl
$228
Find similar
American Airlines
Sep 6
SDF7:45 amLouisville Intl
7h 18m
1 stop
SAN12:03 pmSan Diego
Sep 9
SAN8:18 amSan Diego
6h 16m
1 stop
SDF5:34 pmLouisville Intl
$234
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Louisville to San Diego that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 16, 2025.
Use the filters below to find and compare flights from Louisville to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Fri 9/26

4:20 pm-10:26 pm

1 stop9h 06m

San Diego

Wed 10/1

7:47 pm-3:20 pm

1 stop16h 33m

$192

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Mon 9/8

4:20 pm-10:26 pm

1 stop9h 06m

San Diego

Thu 9/11

6:15 am-3:20 pm

1 stop6h 05m

$198

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Mon 9/8

4:20 pm-10:26 pm

1 stop9h 06m

San Diego

Fri 9/12

6:15 am-3:20 pm

1 stop6h 05m

$206

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 10/22

7:32 am-12:04 pm

1 stop7h 32m

San Diego

Tue 10/28

1:19 pm-11:03 pm

1 stop6h 44m

$219

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 10/22

6:46 pm-10:24 pm

1 stop6h 38m

San Diego

Mon 10/27

9:59 am-8:29 pm

1 stop7h 30m

$228

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 1/24

6:30 am-11:05 am

1 stop7h 35m

San Diego

Tue 1/27

10:30 am-9:10 pm

2 stops7h 40m

$232

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 1/24

8:55 am-7:00 pm

2 stops13h 05m

San Diego

Tue 1/27

9:40 am-9:10 pm

2 stops8h 30m

$243

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 10/18

7:09 am-12:35 pm

1 stop8h 26m

San Diego

Tue 10/21

10:20 pm-9:50 am

1 stop8h 30m

$277

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 10/22

3:30 pm-11:41 pm

2 stops11h 11m

San Diego

Mon 10/27

10:30 pm-9:59 am

1 stop8h 29m

$322

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 9/6

5:52 pm-10:02 pm

1 stop7h 10m

San Diego

Tue 9/9

12:52 pm-10:30 pm

1 stop6h 38m

$324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Louisville to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of August, then departing from Louisville during the month January is also very affordable. Most momondo users find prices during this month for around $411.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Louisville to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $416. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $393. Flights at noon are often more expensive with an average ticket price of $520.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $453 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Louisville for as low as $364 on momondo.

How have Louisville to San Diego flight prices changed over time?

As of August 2025, prices for Louisville to San Diego flights are approximately 14% more expensive when compared to flights at the same time last year.

When to book flights from Louisville to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to San Diego according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Louisville to San Diego (SDF to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to San Diego

Best Price Found

$95

Fastest flight time

5h 45m

Direct flights

None

Airports in San Diego

1 airport
The best one-way flight to San Diego from Louisville in the past 72 hours is $95. The best round-trip flight deal from Louisville to San Diego found on momondo in the last 72 hours is $192.
The fastest flight from Louisville to San Diego takes 5h 45m
There are no direct flights from Louisville to San Diego. Popular non-direct route for this connection is Louisville Intl Airport - San Diego Airport.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • How far is Louisville Intl to San Diego by plane?

    The straight-line distance from Louisville Intl to San Diego is 1797.3 mi. Flights usually cover this in 5h 45m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Louisville Intl Airport to San Diego Airport?

    Prices for flights from Louisville Intl Airport to San Diego Airport were last updated today.

  • How many operators does momondo search for flights from Louisville Intl Airport to San Diego Airport?

  • How old do you have to be to fly from Louisville Intl Airport to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Louisville to San Diego?

Best airlines flying from Louisville to San Diego

Compare and see reviews for airlines that fly from Louisville to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $169Free CancellationRating
6.3
8,042 reviews
Search Spirit Airlines flights
DeltaPriceFrom $276Free CancellationRating
8.0
7,985 reviews
Search Delta flights
American AirlinesPriceFrom $321Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
SouthwestPriceFrom $371Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
Coronado
Chula Vista
El Cajon
Julian
National City
La Mesa
Imperial Beach
Poway
San Ysidro
Borrego Springs
Alpine
Lemon Grove
Santee

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to San Diego?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to San Diego. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Louisville with this policy.

How can momondo help me find flights from Louisville to San Diego?

momondo helps you find the best flight between Louisville and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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