$63+ Cheap flights from Kentucky to San Diego (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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAN
jun. 17 — jun. 241
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kentucky 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.Cheap flight deals from Kentucky to San Diego
Keep the following information in mind while searching for Kentucky to San Diego flight deals. Data was last updated junio 12, 2025.
Round-trip from | $171 (FlightHub) |
|---|---|
One-way from | $63 (FlightHub) |
Popular in | March |
Cheapest in | August |
Average price | $496 |
Find flight deals from Kentucky to San Diego
Cheapest flights from Kentucky to San DiegoExplore the most affordable flight options available from Kentucky to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
Explore the most affordable flight options available from Kentucky to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/85:10 amBNA - SAN
2 stops15h 16mSpirit Airlines
mar. 7/156:15 amSAN - BNA
1 stop7h 14mSpirit Airlines
Deal found 6/12![Spirit Airlines logo]()
$172
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 6/267:40 pmSDF - SAN
2 stops14h 33mSpirit Airlines
lun. 6/305:50 pmSAN - SDF
2 stops21h 45mSpirit Airlines
Deal found 6/11![Spirit Airlines logo]()
$187
This Mytrip deal was found by Cheapflights users on 6/10. 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.
dom. 7/2710:28 pmLEX - SAN
1 stop27h 38mMultiple Airlines
jue. 7/316:15 amSAN - LEX
1 stop12h 13mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$198
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 7/166:40 amLEX - SAN
1 stop9h 57mAmerican Airlines
mié. 7/233:22 pmSAN - LEX
1 stop6h 24mAmerican Airlines
Deal found 6/11![American Airlines logo]()
$217
This Mytrip deal was found by Cheapflights users on 6/10. 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.
vie. 9/191:32 pmTYS - SAN
1 stop21h 42mMultiple Airlines
sáb. 9/279:09 amSAN - TYS
1 stop27h 51mMultiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 8/75:58 pmBNA - SAN
1 stop7h 25mAmerican Airlines
jue. 8/1412:23 pmSAN - BNA
1 stop7h 21mAmerican Airlines
Deal found 6/10![American Airlines logo]()
$227
This Mytrip deal was found by Cheapflights users on 6/11. 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.
vie. 7/119:55 pmBNA - SAN
1 stop14h 00mMultiple Airlines
vie. 7/185:00 pmSAN - BNA
1 stop19h 47mMultiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$229
This Mytrip deal was found by Cheapflights users on 6/12. 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.
jue. 7/109:52 pmCVG - SAN
2 stops28h 14mMultiple Airlines
jue. 7/176:15 amSAN - CVG
1 stop12h 25mMultiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$230
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/73:44 pmCVG - SAN
1 stop29h 35mFrontier
mié. 7/97:04 pmSAN - CVG
1 stop26h 55mFrontier
Deal found 6/11![Frontier logo]()
$246
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 7/57:00 amBNA - SAN
1 stop7h 48mUnited Airlines
sáb. 7/510:20 pmSAN - BNA
1 stop8h 34mUnited Airlines
Deal found 6/10![United Airlines logo]()
$252
This Mytrip deal was found by Cheapflights users on 6/10. 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.
dom. 6/298:56 pmBNA - SAN
1 stop21h 26mAllegiant Air
vie. 7/45:00 pmSAN - BNA
1 stop19h 47mAllegiant Air
Deal found 6/10![Allegiant Air logo]()
$253
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/14:19 pmBNA - SAN
1 stop9h 46mAlaska Airlines
mar. 8/55:51 pmSAN - BNA
1 stop9h 49mAlaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$256
Cheapflights Fare Finder
Customize your flight search to find flights from Kentucky 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 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Kentucky to San Diego that are best for you.
Fly from
Kentucky
Fly to
San Diego
Route
Depart
Return
Price
NashvilleSan Diego
BNA - SAN
BNASAN
Nashville Intl
vie. 7/11
9:55 pm-9:55 am
1 stop14h 00m
San Diego
sáb. 7/12
7:00 pm-8:43 am
2 stops11h 43m
$171
LouisvilleSan Diego
SDF - SAN
SDFSAN
Louisville Intl
jue. 6/26
7:40 pm-7:13 am
2 stops14h 33m
San Diego
lun. 6/30
5:50 pm-6:35 pm
2 stops21h 45m
$187
LexingtonSan Diego
LEX - SAN
LEXSAN
Lexington Blue Grass
dom. 7/27
10:28 pm-11:06 pm
1 stop27h 38m
San Diego
jue. 7/31
6:15 am-9:28 pm
1 stop12h 13m
$198
LexingtonSan Diego
LEX - SAN
LEXSAN
Lexington Blue Grass
mié. 7/16
6:40 am-1:37 pm
1 stop9h 57m
San Diego
mié. 7/23
3:22 pm-12:46 am
1 stop6h 24m
$217
KnoxvilleSan Diego
TYS - SAN
TYSSAN
Knoxville McGhee Tyson
vie. 9/19
1:32 pm-8:14 am
1 stop21h 42m
San Diego
sáb. 9/27
9:09 am-4:00 pm
1 stop27h 51m
$217
NashvilleSan Diego
BNA - SAN
BNASAN
Nashville Intl
jue. 8/7
5:58 pm-11:23 pm
1 stop7h 25m
San Diego
jue. 8/14
12:23 pm-9:44 pm
1 stop7h 21m
$227
CincinnatiSan Diego
CVG - SAN
CVGSAN
Cincinnati Cinci./N. Kentucky
jue. 7/10
9:52 pm-11:06 pm
2 stops28h 14m
San Diego
jue. 7/17
6:15 am-9:40 pm
1 stop12h 25m
$230
NashvilleSan Diego
BNA - SAN
BNASAN
Nashville Intl
jue. 7/24
8:58 pm-4:10 pm
1 stop21h 12m
San Diego
dom. 7/27
9:40 pm-3:29 pm
1 stop15h 49m
$232
CincinnatiSan Diego
CVG - SAN
CVGSAN
Cincinnati Cinci./N. Kentucky
lun. 7/7
3:44 pm-6:19 pm
1 stop29h 35m
San Diego
mié. 7/9
7:04 pm-12:59 am
1 stop26h 55m
$246
NashvilleSan Diego
BNA - SAN
BNASAN
Nashville Intl
sáb. 7/5
7:00 am-12:48 pm
1 stop7h 48m
San Diego
sáb. 7/5
10:20 pm-8:54 am
1 stop8h 34m
$252
Showing 1-10 of 60 results
Best time to book a flight from Kentucky to San Diego
Have a flexible travel schedule? Discover the best time to fly to San Diego from Kentucky 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.
Cheapflights Insights
Everything you need to know about your flight from Kentucky to San Diego
What is the cheapest month to book a flight from Kentucky to San Diego?
Currently, August is the cheapest month in which you can book a flight from Kentucky to San Diego (average of $286). Flying from Kentucky to San Diego in March is currently the most expensive (average of $366). 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 KY to SAN?
Find hourly flight availability from Kentucky 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 junio 12, 2025.
When flying from Kentucky to San Diego, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 junio 12, 2025.
Read reviews from past customers who have flown Breeze Airways, Alaska Airlines and Southwest from Kentucky to San Diego. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Entertainment
6.6
Crew
8.8
Overall
8.1
Comfort
8.2
Boarding
8.3
Food
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Related info for your journey
Find useful and relevant information for your journey from Kentucky to San Diego. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Kentucky?
Book flights to Kentucky if you plan to visit one of these locationsEl Cajon
Chula Vista
National City
Imperial Beach
La Mesa
Alpine
Lemon Grove
Poway
Santee
Coronado
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 Kentucky to San Diego
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Kentucky to San Diego
Discover the top 5 airlines that operate flights from Kentucky 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 2,558,603 searches. Data last updated junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$295 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$268 | Average$427 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$281 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$381 | Average$525 | FlexibilityNo cancel fee | On-time63% |