San Diego

$173+ Cheap flights from Louisville to San Diego (SDF - SAN)

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAN
Nov 25 — Dec 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisville to San Diego with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Louisville Intl to San Diego are usually found in August or February, booked 83 days in advance, depart on a Wednesday or Thursday and return on a Saturday

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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

August

Round-trip from

$346
(Delta)

One-way from

$173
(American Airlines)
Provider with most accurate pricing for Louisville Intl-San Diego flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-San Diego flights.
High demand for flights, 14% potential price rise
Best time to find cheap flights, 14% potential price drop
From Louisville Intl to San Diego
One-way flight from Louisville Intl to San Diego

Find flight deals from Louisville to San Diego

Cheapest flights from Louisville to San Diego
Explore the most affordable flight options available from Louisville to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/107:05 amSDF - SAN
1 stop8h 34mAmerican Airlines
Tue 12/1711:56 amSAN - SDF
1 stop7h 05mAmerican Airlines
Deal found 11/19$346
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:53 pmSDF - SAN
3 stops23h 22mMultiple Airlines
Thu 12/125:58 pmSAN - SDF
2 stops19h 40mMultiple Airlines
Deal found 11/20$401
This Southwest deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/182:40 pmSDF - SAN
2 stops9h 35mSouthwest
Wed 12/257:50 amSAN - SDF
1 stop9h 50mSouthwest
Deal found 11/18$416
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/99:53 pmSDF - SAN
3 stops24h 42mSpirit Airlines
Thu 12/126:15 amSAN - SDF
3 stops35h 43mSpirit Airlines
Deal found 11/20$424
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/91:50 pmSDF - SAN
1 stop9h 47mDelta
Thu 12/126:15 amSAN - SDF
1 stop8h 52mDelta
Deal found 11/20$438
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:05 amSDF - SAN
1 stop8h 48mUnited Airlines
Tue 12/1710:45 amSAN - SDF
2 stops8h 41mUnited Airlines
Deal found 11/19$441
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/51:55 pmSDF - SAN
2 stops13h 04mAlaska Airlines
Tue 12/108:00 amSAN - SDF
2 stops13h 14mAlaska Airlines
Deal found 11/20$707

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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 2/8

6:50 am-1:50 pm

1 stop10h 00m

San Diego

Wed 2/12

6:25 am-3:59 pm

1 stop6h 34m

$346

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 12/18

7:36 am-1:57 pm

1 stop9h 21m

San Diego

Wed 12/25

12:45 pm-12:11 am

1 stop8h 26m

$351

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Tue 1/7

11:00 am-5:45 pm

2 stops9h 45m

San Diego

Sat 1/11

9:30 am-8:40 pm

2 stops8h 10m

$391

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Mon 12/9

9:53 pm-6:15 pm

3 stops23h 22m

San Diego

Thu 12/12

5:58 pm-4:38 pm

2 stops19h 40m

$401

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Mon 12/9

9:53 pm-7:35 pm

3 stops24h 42m

San Diego

Thu 12/12

6:15 am-8:58 pm

3 stops35h 43m

$424

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 2/8

10:35 am-8:36 pm

2 stops13h 01m

San Diego

Wed 2/12

12:40 pm-10:12 pm

1 stop6h 32m

$441

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 1/29

6:12 am-1:51 pm

1 stop10h 39m

$173

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Thu 12/5

9:53 pm-10:17 pm

2 stops27h 24m

$174

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 1/29

8:36 am-8:48 pm

2 stops15h 12m

$223

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 12/21

6:04 pm-11:01 pm

1 stop7h 57m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 11 results
1
2

Compare providers for flights from Louisville to San Diego

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to San Diego in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-San Diego flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-San Diego flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-San Diego flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-San Diego flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-San Diego flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Louisville to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Louisville with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Louisville to San Diego

Get recent, data-driven insights about flights from Louisville to San Diego including ideal travel times, pricing trends, and more.

How far ahead should I 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 November 15, 2024.

Booking 83 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.

What is the cheapest month to book a flight from Louisville to San Diego?

Currently, September is the cheapest month in which you can book a flight from Louisville to San Diego (average of $266). Flying from Louisville to San Diego in March is currently the most expensive (average of $339). 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.

What is the cheapest time of day to fly from SDF to SAN?

Find hourly flight availability from Louisville to San Diego. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

It’s optimal to fly from Louisville to San Diego in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at noon.

What is the cheapest day 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 November 18, 2024.

Travelers seeking maximum savings on their Louisville to San Diego flight should consider departing on Wednesday evenings 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.

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 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 November 20, 2024.
Read through reviews of airlines operating flights from Louisville to San Diego, such as Delta, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.1
Very good
5,014 reviews
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good
9,461 reviews
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

8.0
Very good
8,756 reviews
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.4
Good
9,171 reviews
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

7.2
Good
10,000 reviews
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Boarding

8.2

Overall

8.1

Food

7.2

Entertainment

7.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

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.
  • What are the cheapest airlines flying from Louisville to San Diego round-trip?

    Cheapflights users have booked flights from Louisville to San Diego round-trip from $346. Other airlines that can offer you cheap pricing are American Airlines, from $351, and Southwest, from $391. Users have found that Delta is 24% 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 American Airlines. According to our data, you can fly for as low as $173. Users have also found prices from $174 and $223 on Spirit Airlines and Alaska Airlines, respectively.

  • 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.

  • What is the cheapest month to book a flight from Louisville to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Louisville to San Diego (average of $266). Flying from Louisville to San Diego in March is currently the most expensive (average of $339). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to San Diego

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Louisville to San Diego

Discover the top 5 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$161Average$286FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$319Average$468FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$344Average$496FlexibilityNo cancel feeOn-time63%
DeltaCheapest$344Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$386Average$517FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.