Cheap flights from Louisville to San Diego (SDF - SAN) from $81

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SDF — SAN
May 8 — May 151

The best prices from Louisville Intl to San Diego are usually found in February or November, booked 28 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Louisville to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 3, 2024.

Popular in

July

Cheapest in

February

Round-trip from

$288

One-way from

$280
High demand for flights, 16% potential price rise
Best time to find cheap flights, 26% potential price drop
From Louisville Intl to San Diego
One-way flight from Louisville Intl to San Diego

What is the cheapest day to fly round-trip from Louisville to San Diego?

Users have found that flying from Louisville to San Diego on a Sunday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Find a great deal and save up to 221% by booking at least 18 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Louisville to San Diego within the next two weeks, with the cheapest ticket starting at $254.

What is the cheapest month to fly from Louisville to San Diego?

The best pricing can be found in the month of February. Prices to San Diego from Louisville average $446. You can even find prices in February for less than $446, as users have found deals to San Diego from as low as $168. The month of July appears to be one of the more expensive times to travel to San Diego from Louisville. Flying in the targeted month can save you up to 18%.

When is the cheapest time to fly from Louisville to San Diego (SDF - SAN)?

It’s optimal to fly from Louisville to San Diego in the morning. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

Cheap United Airlines flights from Louisville to San Diego

Explore cheap flight options specifically provided by United Airlines for the route between Louisville and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Peruse some of the lowest-priced United Airlines flights we've found from Louisville to San Diego. Make sure to check back often as deals are often changing.
Thu 8/13:47 pmSDF - SAN
1 stop7h 03mUnited Airlines
Tue 8/64:10 pmSAN - SDF
2 stops15h 34mUnited Airlines
Deal found 5/1$510
Thu 6/273:35 pmSDF - SAN
1 stop8h 05mUnited Airlines
Tue 7/24:10 pmSAN - SDF
2 stops15h 34mUnited Airlines
Deal found 5/2$544
Sat 5/119:04 amSDF - SAN
2 stops12h 06mUnited Airlines
Tue 5/1410:38 amSAN - SDF
1 stop8h 35mUnited Airlines
Deal found 5/1$713

Cheap American Airlines flights from Louisville to San Diego

Explore cheap flight options specifically provided by American Airlines for the route between Louisville and San Diego. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Some of the best deals we've found on American Airlines flights traveling from Louisville to San Diego. Make sure to examine the flight information before completing your reservation.
Tue 5/288:30 amSDF - SAN
1 stop10h 02mAmerican Airlines
Fri 5/311:32 pmSAN - SDF
1 stop7h 36mAmerican Airlines
Deal found 5/2$405
Thu 5/166:45 amSDF - SAN
1 stop7h 19mAmerican Airlines
Sat 5/1810:31 pmSAN - SDF
1 stop9h 28mAmerican Airlines
Deal found 5/1$419
Wed 8/78:30 amSDF - SAN
1 stop8h 05mAmerican Airlines
Mon 8/1210:10 pmSAN - SDF
1 stop10h 05mAmerican Airlines
Deal found 5/2$425
Sat 8/36:24 amSDF - SAN
1 stop7h 14mAmerican Airlines
Sat 8/1012:40 pmSAN - SDF
1 stop8h 50mAmerican Airlines
Deal found 5/2$449
Thu 5/306:45 amSDF - SAN
1 stop9h 11mAmerican Airlines
Thu 6/612:46 pmSAN - SDF
1 stop8h 06mAmerican Airlines
Deal found 5/1$459
Thu 6/276:39 pmSDF - SAN
1 stop8h 20mAmerican Airlines
Tue 7/210:52 pmSAN - SDF
1 stop8h 58mAmerican Airlines
Deal found 5/2$462
Mon 7/86:23 amSDF - SAN
1 stop7h 15mAmerican Airlines
Mon 7/810:48 pmSAN - SDF
1 stop8h 59mAmerican Airlines
Deal found 5/1$514
Thu 5/168:30 amSDF - SAN
1 stop7h 26mAmerican Airlines
Fri 5/2411:54 amSAN - SDF
1 stop9h 14mAmerican Airlines
Deal found 5/2$556

Cheap Louisville to San Diego flights in May & June 2024

Find cheap flight options from Louisville to San Diego specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 2024.
Scroll through some of the best deals on flights from Louisville to San Diego in 2024. Check back regularly for other flight deals.
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$147
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Tue 6/48:41 amSAN - SDF
2 stops11h 33mSpirit Airlines
Deal found 5/2$148
Wed 5/297:43 amSDF - SAN
3 stops17h 42mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$153
Sat 6/18:52 pmSDF - SAN
1 stop6h 01mSpirit Airlines
Tue 6/48:41 amSAN - SDF
2 stops11h 33mSpirit Airlines
Deal found 5/2$154
Wed 5/298:52 pmSDF - SAN
2 stops20h 33mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$161
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Sun 6/29:12 pmSAN - SDF
1 stop19h 40mSpirit Airlines
Deal found 5/2$162
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Fri 5/317:42 amSAN - SDF
1 stop9h 10mSpirit Airlines
Deal found 5/2$165
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Mon 6/32:38 pmSAN - SDF
2 stops20h 29mSpirit Airlines
Deal found 5/2$167
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Fri 5/317:42 amSAN - SDF
1 stop9h 10mSpirit Airlines
Deal found 5/2$169

Louisville to San Diego 2024 flight deals

Discover exclusive flight deals for travel between Louisville and San Diego in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Scroll through some of the best deals on flights from Louisville to San Diego in 2024. Check back regularly for other flight deals.
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$147
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Tue 6/48:41 amSAN - SDF
2 stops11h 33mSpirit Airlines
Deal found 5/2$148
Wed 5/297:43 amSDF - SAN
3 stops17h 42mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$153
Sat 6/18:52 pmSDF - SAN
1 stop6h 01mSpirit Airlines
Tue 6/48:41 amSAN - SDF
2 stops11h 33mSpirit Airlines
Deal found 5/2$154
Wed 5/298:52 pmSDF - SAN
2 stops20h 33mSpirit Airlines
Sat 6/17:45 amSAN - SDF
1 stop9h 07mSpirit Airlines
Deal found 5/2$161
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Sun 6/29:12 pmSAN - SDF
1 stop19h 40mSpirit Airlines
Deal found 5/2$162
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Fri 5/317:42 amSAN - SDF
1 stop9h 10mSpirit Airlines
Deal found 5/2$165
Wed 5/297:43 amSDF - SAN
3 stops15h 39mSpirit Airlines
Mon 6/32:38 pmSAN - SDF
2 stops20h 29mSpirit Airlines
Deal found 5/2$167
Wed 5/298:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Fri 5/317:42 amSAN - SDF
1 stop9h 10mSpirit Airlines
Deal found 5/2$169

Louisville to San Diego flights leaving soon

Find last-minute flight options from Louisville to San Diego for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Have a look at some of the flights available from Louisville to San Diego departing last-minute. It's wise to confirm all flight details are correct before booking.
Sat 5/116:00 amSDF - SAN
1 stop9h 44mDelta
Tue 5/1411:15 amSAN - SDF
1 stop7h 35mDelta
Deal found 5/1$618
Sat 5/119:04 amSDF - SAN
2 stops12h 06mUnited Airlines
Tue 5/1410:38 amSAN - SDF
1 stop8h 35mUnited Airlines
Deal found 5/1$713

One-way flights to San Diego from Louisville

Search for one-way flight options from Louisville to San Diego. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Take a look at some of the best available options we've come across on one-way flights from Louisville to San Diego. Users needing a return flight from Louisville to San Diego should utilize the search form above.
Sat 5/118:52 pmSDF - SAN
1 stop6h 01mSpirit Airlines
Deal found 5/2$81
Mon 5/278:52 pmSDF - SAN
1 stop15h 22mSpirit Airlines
Deal found 5/2$104
Sat 6/85:27 pmSDF - SAN
2 stops8h 51mSpirit Airlines
Deal found 5/2$115
Sat 6/88:42 pmSDF - SAN
1 stop19h 13mSpirit Airlines
Deal found 5/2$124
Mon 7/18:42 pmSDF - SAN
1 stop19h 38mSpirit Airlines
Deal found 5/2$130
Sat 5/114:27 pmSDF - SAN
2 stops10h 26mSpirit Airlines
Deal found 5/2$136
Mon 5/271:35 pmSDF - SAN
2 stops22h 39mMultiple Airlines
Deal found 5/2$145
Mon 7/18:42 pmSDF - SAN
2 stops20h 48mSpirit Airlines
Deal found 5/2$162
Mon 5/2710:29 amSDF - SAN
3 stops25h 45mSpirit Airlines
Deal found 5/2$190

Find flights from Louisville to San Diego within your budget

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, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$147 - $405

Route

Depart

Return

Price

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 5/29

1 stop15h 22m

San Diego

Sat 6/1

1 stop9h 07m

$147

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 5/29

3 stops15h 39m

San Diego

Tue 6/4

2 stops11h 33m

$148

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 5/29

3 stops17h 42m

San Diego

Sat 6/1

1 stop9h 07m

$153

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 6/1

1 stop6h 01m

San Diego

Tue 6/4

2 stops11h 33m

$154

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 5/29

2 stops20h 33m

San Diego

Sat 6/1

1 stop9h 07m

$161

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Fri 5/31

1 stop6h 52m

San Diego

Tue 6/4

2 stops11h 33m

$199

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 5/29

3 stops15h 39m

San Diego

Sun 6/2

1 stop15h 02m

$201

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Tue 5/28

1 stop19h 36m

San Diego

Tue 6/4

1 stop9h 53m

$382

Louisville IntlSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Tue 5/28

1 stop10h 02m

San Diego

Fri 5/31

1 stop7h 36m

$405

Flights are sorted by cheapest first

Deals found on 5/2

When is the best time to book a flight from Louisville to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to San Diego. Price data was last updated on January 28, 2024.
Booking 17 days in advance of your planned departure date is, on average, the best time to get cheap flights from Louisville to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Louisville to San Diego?

Use this chart to determine the cheapest time to fly round-trip from Louisville to San Diego. Price data was last updated on April 28, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Louisville to San Diego flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San Diego by month

Plan your trip from Louisville to San Diego by taking into account the cheapest months to travel. The average price of a one-way flight from Louisville to San Diego is currently $132 while a round-trip flight costs $217. Price data was last updated on April 28, 2024.

Currently, October is the cheapest month in which you can book a flight from Louisville to San Diego (average of $288). Flying from Louisville to San Diego in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$292

February

$297

March

$339

April

$301

May

$304

June

$360

July

$359

August

$311

September

$298

October

$288

November

$335

December

$305

Temperature and rainfall in San Diego by month

Plan your trip to San Diego by taking into account the average temperature and rainfall totals by month.

SAN

Temperature

57.2 - 71.6 °F

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Diego. Reviews last updated May 3, 2024.
Read through reviews of airlines operating flights from Louisville to San Diego, such as United Airlines, American Airlines and Spirit Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
10,858 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

8.1
Very good
10,858 reviews
8.1
Very good
10,858 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.4
Good
11,143 reviews
8.1
Very good
10,858 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

7.3
Good
14,767 reviews
8.1
Very good
10,858 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

6.4
Okay
8,737 reviews
8.1
Very good
10,858 reviews

Overall

8.1

Comfort

7.9

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

Crew was nice and courteous. Boarding went smoothly. But we experienced a few minutes of extreme turbulence.

Related info for your journey

Find useful and relevant information for your journey from Louisville to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Louisville to San Diego for under $200 on Cheapflights?

    Yes, there are multiple flights from Louisville to San Diego for under $200. The cheapest flight booked recently is on Spirit Airlines for just $147, but on average you can expect to pay $173.

  • Are there last-minute flights available from Louisville to San Diego for under $700?

    There are currently 2+ open flights from Louisville to San Diego within the next 7 days for less than $700.

  • What is the cheapest airline to fly from Louisville to San Diego round-trip?

    Cheapflights users have booked flights from Louisville to San Diego round-trip from $147. Users have found that Spirit Airlines is 67% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Louisville to San Diego one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $500 and $513 on Delta and American Airlines, respectively.

  • What are the most popular airlines that fly from Louisville to San Diego?

  • What does SDF to SAN mean?

    Great question - SDF to SAN just means Louisville Intl Airport to San Diego Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Louisville to San Diego that include extra baggage allowance?

    The amount of baggage you can bring on your Louisville to San Diego flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Louisville to San Diego with specific airlines?

    Yes, Cheapflights allows you to browse and filter Louisville to San Diego flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Louisville to San Diego that include hotel bookings?

    Yes. In addition to deals on Louisville to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to San Diego?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to San Diego.

  • Can I find deals for business class flights from Louisville to San Diego?

    Yes. Cheapflights offers flight deals from Louisville to San Diego by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Louisville to San Diego that allow pets onboard?

    Many airlines flying from Louisville to San Diego offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Louisville to San Diego?

    Yes, you can often find last-minute deals on Louisville to San Diego flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Louisville to San Diego flight deals updated?

    The Louisville to San Diego flight deals you see on this page were last updated on 5/2.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Louisville to San Diego

Discover the top 4 airlines that operate flights from Louisville to San Diego. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$145Average$247FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$344Average$505FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$390Average$502FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$400Average$484FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Louisville to San Diego by cabin class

Find flights from Louisville to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Louisville to San Diego?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Louisville to San Diego. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Louisville to San Diego?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisville to San Diego for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Louisville to San Diego with no change fees?

Need flexible booking options for your flight to San Diego from Louisville? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Louisville to San Diego become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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