$172+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Diego to Louisville 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.Cheapflights Tip: The best prices from San Diego to Louisville Intl are usually found in August or February, booked 63 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 March 25, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Mytrip) |
One-way from | $172 (American Airlines) |
Popular in | March |
Cheapest in | August |
Average price | $544 |
Find flight deals from San Diego to Louisville
Cheapest flights from San Diego to LouisvilleExplore 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 March 25, 2025.
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 March 25, 2025.
This Mytrip deal was found by Cheapflights users on 3/23. 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.
This Mytrip deal was found by Cheapflights users on 3/24. 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.
This American Airlines deal was found by Cheapflights users on 3/23. 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.
This Southwest deal was found by Cheapflights users on 3/24. 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.
This United Airlines deal was found by Cheapflights users on 3/24. 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.
This Delta deal was found by Cheapflights users on 3/24. 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.
Cheapflights Fare Finder
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 March 25, 2025.
Use the filters below to find and compare flights from San Diego to Louisville that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 5/8
5:43 pm-2:56 pm
2 stops18h 13m
Louisville Intl
Mon 5/12
3:51 pm-7:13 am
2 stops18h 22m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Mon 4/14
8:29 am-10:17 pm
2 stops34h 48m
Louisville Intl
Mon 4/21
6:19 pm-12:42 am
2 stops33h 23m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Thu 5/15
3:10 pm-12:23 am
1 stop6h 13m
Louisville Intl
Mon 5/19
7:05 am-12:48 pm
1 stop8h 43m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Wed 6/4
10:10 am-9:45 pm
2 stops8h 35m
Louisville Intl
Sat 6/7
6:25 am-9:40 am
1 stop6h 15m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Mon 4/14
6:59 pm-9:52 am
2 stops11h 53m
Louisville Intl
Mon 4/21
2:37 pm-8:39 pm
1 stop9h 02m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Tue 5/27
10:46 am-8:26 pm
1 stop6h 40m
Louisville Intl
Wed 6/4
2:05 pm-6:42 pm
1 stop7h 37m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Mon 4/21
11:54 am-12:13 am
1 stop9h 19m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Mon 4/21
9:08 pm-10:17 pm
3 stops22h 09m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Sun 6/8
5:55 pm-11:31 am
1 stop14h 36m
San DiegoLouisville
SAN - SDF
SANSDF
San Diego
Mon 6/9
8:15 am-7:55 pm
2 stops8h 40m
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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Louisville
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 March 21, 2025.
Booking 63 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 March 25, 2025.
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 March 25, 2025.
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Boarding
Comfort
Food
Overall
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
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.
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Alternative routes for San Diego to Louisville
See prices for flight routes from nearby airports that may be better suited for you.
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 March 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$185 | Average$234 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$263 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$343 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$536 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$386 | Average$566 | FlexibilityNo cancel fee | On-time69% |