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$243+ Cheap flights from San Diego to Louisville (SAN - SDF)

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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from San Diego to Louisville Intl are usually found in August or February, booked 82 days in advance, depart on a Saturday or Friday and return on a Wednesday

Cheap flight deals from San Diego to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Louisville (SDF). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(Mytrip)

One-way from

$243
(Trip.com)

Popular in

April

Cheapest in

August

Average price

$503
Provider with most accurate pricing for San Diego-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for San Diego-Louisville Intl flights.
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From San Diego to Louisville Intl
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One-way flight from San Diego to Louisville Intl
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High demand for flights, 6% potential price rise
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Best time to find cheap flights, 1% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from San Diego to Louisville

Cheapest flights from San Diego to Louisville
Explore the most affordable flight options available from San Diego to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This American Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/3012:48 pmSAN - SDF
1 stop8h 31mAmerican Airlines
Thu 2/2012:36 pmSDF - SAN
1 stop9h 37mAmerican Airlines
Deal found 12/16$456
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/3010:06 amSAN - SDF
2 stops9h 09mUnited Airlines
Thu 2/209:25 amSDF - SAN
1 stop7h 28mUnited Airlines
Deal found 12/16$461
This Southwest deal was found by Cheapflights users on 12/16. 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.
Tue 12/249:25 amSAN - SDF
1 stop10h 00mSouthwest
Thu 12/263:40 pmSDF - SAN
1 stop10h 45mSouthwest
Deal found 12/16$672
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1911:52 amSAN - SDF
1 stop8h 07mDelta
Wed 1/16:36 amSDF - SAN
1 stop9h 24mDelta
Deal found 12/18$726
This Lucky2Go deal was found by Cheapflights users on 12/17. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:15 amSAN - SDF
1 stop11h 30mMultiple Airlines
Sun 1/57:54 pmSDF - SAN
2 stops29h 18mMultiple Airlines
Deal found 12/17$738

Find flights from San Diego to Louisville within your budget

Customize your flight search to find flights from San Diego to Louisville 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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Wed 1/8

6:06 pm-6:30 pm

3 stops21h 24m

Louisville Intl

Sun 1/12

7:25 pm-10:18 pm

2 stops29h 53m

$360

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Thu 1/16

8:00 am-5:45 pm

1 stop6h 45m

Louisville Intl

Tue 1/21

4:39 pm-9:06 pm

1 stop7h 27m

$371

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Mon 1/20

8:15 am-7:48 pm

1 stop8h 33m

Louisville Intl

Wed 1/22

10:35 am-5:25 pm

2 stops9h 50m

$376

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Wed 2/19

8:05 am-8:10 pm

2 stops9h 05m

Louisville Intl

Sun 2/23

12:50 pm-9:00 pm

1 stop11h 10m

$391

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Fri 1/31

6:15 am-6:30 pm

3 stops33h 15m

Louisville Intl

Fri 2/7

9:13 am-12:55 pm

3 stops30h 42m

$395

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Sun 1/12

12:08 pm-10:05 pm

1 stop6h 57m

Louisville Intl

Sat 1/18

2:00 pm-8:05 pm

2 stops9h 05m

$421

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Wed 3/19

7:00 am-9:51 pm

2 stops11h 51m

Louisville Intl

Sun 3/23

11:02 am-10:44 pm

2 stops14h 42m

$731

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Thu 1/16

11:20 am-10:12 pm

1 stop7h 52m

$243

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Thu 1/16

6:15 am-8:18 pm

2 stops11h 03m

$258

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Fri 12/27

6:15 am-6:59 pm

3 stops33h 44m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Compare providers for flights from San Diego to Louisville

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 San Diego to Louisville in December.
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

*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 San Diego-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Diego-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Louisville 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 San Diego-Louisville 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 San Diego to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from San Diego 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 San Diego to Louisville

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Louisville. Price data was last updated on December 13, 2024.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Diego to Louisville. 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 San Diego to Louisville?

Currently, January is the cheapest month in which you can book a flight from San Diego to Louisville (average of $299). Flying from San Diego to Louisville in April is currently the most expensive (average of $369). 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 SAN to SDF?

Find hourly flight availability from San Diego to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

It’s typically best to fly out from San Diego to Louisville in the evening. Doing so could potentially save you 30% on the flight price compared to flying at noon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from San Diego to Louisville. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Diego to Louisville flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Louisville by month

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

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

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

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated December 18, 2024.
See what other customers who have flown with Southwest and United Airlines from San Diego to Louisville have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,848 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,554 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,604 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
9,055 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,848 reviews

Food

7.2

Crew

8.7

Overall

8.1

Boarding

8.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from San Diego to Louisville. 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 San Diego to Louisville round-trip?

    According to our current data, Spirit Airlines ($360), Delta ($371), and United Airlines ($376) offers the cheapest pricing from San Diego to Louisville. You may be able to fly from San Diego to Louisville for 24% less than the average price by searching for these airlines.

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

    The cheapest airlines for a one-way flight from San Diego to Louisville are United Airlines ($243), Alaska Airlines ($258), and Spirit Airlines ($514).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Louisville 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 San Diego to Louisville?

    Currently, January is the cheapest month in which you can book a flight from San Diego to Louisville (average of $299). Flying from San Diego to Louisville in April is currently the most expensive (average of $369). 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

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Top 5 airlines flying from San Diego to Louisville

Discover the top 5 airlines that operate flights from San Diego to Louisville. 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$168Average$231FlexibilityNo cancel feeOn-time65%
DeltaCheapest$263Average$467FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$330Average$494FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$486FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$366Average$609FlexibilityNo cancel feeOn-time69%
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