San Diego

$82+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAN
Apr 5 — Apr 121
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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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$201
(Orbitz)

One-way from

$82
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$536
Provider with most accurate pricing for Louisville Intl-San Diego flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-San Diego flights.
From Kentucky to San Diego
One-way flight from Kentucky to San Diego
Highest demand for flights based on searches. 1% potential increase in price ($7 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2025

Find flight deals from Kentucky to San Diego

Cheapest flights from Kentucky to San Diego
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 March 31, 2025.

This Orbitz deal was found by Cheapflights users on 3/30. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:49 pmBNA - SAN
1 stop6h 25mMultiple Airlines
Tue 4/299:08 pmSAN - BNA
2 stops14h 54mMultiple Airlines
Deal found 3/30$201
This FlightHub deal was found by Cheapflights users on 3/30. 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.
Thu 5/15:30 amBNA - SAN
2 stops21h 12mSpirit Airlines
Wed 5/78:08 amSAN - BNA
2 stops12h 08mSpirit Airlines
Deal found 3/30$204
This Priceline deal was found by Cheapflights users on 3/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:51 pmCVG - SAN
1 stop7h 07mMultiple Airlines
Sun 5/412:41 pmSAN - CVG
Nonstop4h 31mMultiple Airlines
Deal found 3/30$226
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/206:28 pmTYS - SAN
1 stop8h 15mAmerican Airlines
Wed 5/2810:19 amSAN - TYS
1 stop8h 48mAmerican Airlines
Deal found 3/30$229
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 5/217:00 amTYS - SAN
1 stop7h 43mUnited Airlines
Wed 5/2811:15 amSAN - TYS
2 stops9h 24mUnited Airlines
Deal found 3/31$234
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/47:51 pmCVG - SAN
1 stop7h 07mFrontier
Fri 5/96:25 amSAN - CVG
1 stop19h 37mFrontier
Deal found 3/31$235
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/87:52 pmBNA - SAN
1 stop6h 21mFrontier
Mon 5/126:25 amSAN - BNA
1 stop10h 27mFrontier
Deal found 3/30$238
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 4/244:26 pmBNA - SAN
1 stop9h 33mAlaska Airlines
Tue 4/299:00 amSAN - BNA
1 stop13h 12mAlaska Airlines
Deal found 3/30$256
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/216:00 amBNA - SAN
1 stop7h 16mDelta
Mon 5/2610:30 pmSAN - BNA
1 stop6h 50mDelta
Deal found 3/30$257
This Mytrip deal was found by Cheapflights users on 3/30. 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 4/217:27 pmSDF - SAN
3 stops32h 15mSpirit Airlines
Thu 4/249:08 pmSAN - SDF
2 stops35h 39mSpirit Airlines
Deal found 3/30$264
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3110:08 amCVG - SAN
Nonstop4h 48mBreeze Airways
Tue 8/512:41 pmSAN - CVG
Nonstop4h 31mBreeze Airways
Deal found 3/31$274
This Delta deal was found by Cheapflights users on 3/30. 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.
Sat 5/105:45 amTYS - SAN
1 stop7h 08mDelta
Wed 5/146:15 amSAN - TYS
1 stop8h 21mDelta
Deal found 3/30$277

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 March 31, 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

Thu 4/24

7:49 pm-12:14 am

1 stop6h 25m

San Diego

Tue 4/29

9:08 pm-2:02 pm

2 stops14h 54m

$201

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Thu 5/1

5:30 am-12:42 am

2 stops21h 12m

San Diego

Wed 5/7

8:08 am-10:16 pm

2 stops12h 08m

$204

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 4/27

7:30 am-7:34 am

1 stop27h 04m

San Diego

Wed 4/30

8:29 am-3:55 pm

1 stop28h 26m

$208

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 5/18

10:08 am-11:56 am

Nonstop4h 48m

San Diego

Sun 5/25

12:41 pm-8:12 pm

Nonstop4h 31m

$223

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Tue 5/20

6:28 pm-11:43 pm

1 stop8h 15m

San Diego

Wed 5/28

10:19 am-10:07 pm

1 stop8h 48m

$229

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Wed 5/21

7:00 am-11:43 am

1 stop7h 43m

San Diego

Wed 5/28

11:15 am-11:39 pm

2 stops9h 24m

$234

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 5/4

7:51 pm-11:58 pm

1 stop7h 07m

San Diego

Fri 5/9

6:25 am-5:02 am

1 stop19h 37m

$235

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Thu 5/8

7:52 pm-12:13 am

1 stop6h 21m

San Diego

Mon 5/12

6:25 am-6:52 pm

1 stop10h 27m

$238

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Thu 4/24

4:26 pm-11:59 pm

1 stop9h 33m

San Diego

Tue 4/29

9:00 am-12:12 am

1 stop13h 12m

$256

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Wed 5/21

6:00 am-11:16 am

1 stop7h 16m

San Diego

Mon 5/26

10:30 pm-7:20 am

1 stop6h 50m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 60 results
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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 March 31, 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 March 31, 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.

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Boarding

8.3

Comfort

8.2

Food

6.7

Crew

8.8

Entertainment

6.6

Overall

8.1

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.
  • What airport do you fly into for flights to San Diego from Kentucky?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly into when you book flights from Kentucky to San Diego.

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

    One-way options have recently been found by users for as low as $82 on Spirit Airlines. Other airlines that offer cheap prices include Breeze Airways from $102 and American Airlines from $115 one-way.

  • What are the most popular routes from Kentucky to San Diego?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky 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 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.

See more FAQs

Traveling to a place near Kentucky?

Book flights to Kentucky if you plan to visit one of these locations
El Cajon
Chula Vista
Lemon Grove
National City
Imperial Beach
La Mesa
Alpine
Poway
Santee
Coronado
Borrego Springs

Browse thousands of different options on Cheapflights for your next trip

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$158Average$219FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$261Average$432FlexibilityNo cancel feeOn-time71%
DeltaCheapest$282Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$469FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$526FlexibilityNo cancel feeOn-time63%
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