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$50+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAN
feb. 27 — mar. 61
jue. 2/27
jue. 3/6
1 adult, Economy
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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 febrero 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(CheapOair)

One-way from

$50
(Expedia)

Popular in

December

Cheapest in

August

Average price

$411
Provider with most accurate pricing for Louisville Intl-San Diego flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-San Diego flights.
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From Kentucky to San Diego
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One-way flight from Kentucky to San Diego
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 febrero 22, 2025.

This CheapOair deal was found by Cheapflights users on 2/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/117:51 pmCVG - SAN
1 stop7h 07mFrontier
jue. 5/158:54 pmSAN - CVG
1 stop24h 45mFrontier
Deal found 2/20$160
This Trip.com deal was found by Cheapflights users on 2/21. 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.
sáb. 3/81:05 pmCVG - SAN
2 stops20h 25mMultiple Airlines
dom. 3/99:36 pmSAN - CVG
1 stop28h 30mMultiple Airlines
Deal found 2/21$235
This Mytrip deal was found by Cheapflights users on 2/21. 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.
lun. 3/39:00 amTYS - SAN
1 stop27h 01mMultiple Airlines
vie. 3/76:15 amSAN - TYS
1 stop12h 37mMultiple Airlines
Deal found 2/21$236
This Mytrip deal was found by Cheapflights users on 2/21. 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.
lun. 5/128:58 pmSDF - SAN
2 stops20h 13mSpirit Airlines
mié. 5/143:10 pmSAN - SDF
2 stops23h 04mSpirit Airlines
Deal found 2/21$243
This American Airlines deal was found by Cheapflights users on 2/21. 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. 3/196:21 pmTYS - SAN
1 stop6h 50mAmerican Airlines
lun. 3/249:57 pmSAN - TYS
1 stop8h 02mAmerican Airlines
Deal found 2/21$259
This Mytrip deal was found by Cheapflights users on 2/21. 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.
lun. 5/126:19 pmSDF - SAN
3 stops25h 15mMultiple Airlines
mié. 5/141:00 pmSAN - SDF
2 stops25h 14mMultiple Airlines
Deal found 2/21$268
This Delta deal was found by Cheapflights users on 2/21. 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.
mar. 10/76:30 pmBNA - SAN
1 stop6h 43mDelta
sáb. 10/119:40 pmSAN - BNA
1 stop8h 38mDelta
Deal found 2/21$277
This United Airlines deal was found by Cheapflights users on 2/21. 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.
mié. 3/195:25 pmTYS - SAN
1 stop7h 55mUnited Airlines
lun. 3/248:49 pmSAN - TYS
2 stops10h 10mUnited Airlines
Deal found 2/21$278
This Mytrip deal was found by Cheapflights users on 2/20. 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.
vie. 3/710:03 pmBNA - SAN
3 stops34h 27mSpirit Airlines
mié. 3/126:15 amSAN - BNA
2 stops13h 57mSpirit Airlines
Deal found 2/20$278
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
jue. 5/110:06 amCVG - SAN
Nonstop4h 46mBreeze Airways
dom. 5/412:37 pmSAN - CVG
Nonstop4h 29mBreeze Airways
Deal found 2/21$284
This American Airlines deal was found by Cheapflights users on 2/22. 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.
vie. 3/212:11 pmLEX - SAN
1 stop9h 56mAmerican Airlines
mar. 3/252:48 pmSAN - LEX
1 stop6h 15mAmerican Airlines
Deal found 2/22$289
This Booking.com deal was found by Cheapflights users on 2/21. 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.
mar. 3/48:30 amBNA - SAN
2 stops25h 00mMultiple Airlines
mar. 3/1112:38 pmSAN - BNA
1 stop22h 40mMultiple Airlines
Deal found 2/21$291

Find flights from Kentucky to San Diego within your budget

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 febrero 22, 2025.

Fly from

Kentucky

Fly to

San Diego

Route

Depart

Return

Price

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

dom. 5/11

7:51 pm-11:58 pm

1 stop7h 07m

San Diego

jue. 5/15

8:54 pm-12:39 am

1 stop24h 45m

$160

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

sáb. 3/8

1:05 pm-6:30 am

2 stops20h 25m

San Diego

dom. 3/9

9:36 pm-5:06 am

1 stop28h 30m

$235

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

lun. 5/12

8:58 pm-2:11 pm

2 stops20h 13m

San Diego

mié. 5/14

3:10 pm-5:14 pm

2 stops23h 04m

$243

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

mié. 3/12

11:00 am-4:44 pm

1 stop8h 44m

San Diego

mar. 3/18

5:39 pm-8:02 pm

1 stop23h 23m

$247

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

mié. 3/19

6:21 pm-10:11 pm

1 stop6h 50m

San Diego

lun. 3/24

9:57 pm-8:59 am

1 stop8h 02m

$259

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

lun. 5/12

6:19 pm-4:34 pm

3 stops25h 15m

San Diego

mié. 5/14

1:00 pm-5:14 pm

2 stops25h 14m

$268

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

dom. 5/11

10:06 am-11:52 am

Nonstop4h 46m

San Diego

jue. 5/15

12:37 pm-8:06 pm

Nonstop4h 29m

$277

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

vie. 3/7

10:03 pm-6:30 am

3 stops34h 27m

San Diego

mié. 3/12

8:25 am-8:20 pm

3 stops33h 55m

$277

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

mié. 3/19

5:25 pm-10:20 pm

1 stop7h 55m

San Diego

lun. 3/24

8:49 pm-9:59 am

2 stops10h 10m

$278

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

vie. 3/21

2:11 pm-9:07 pm

1 stop9h 56m

San Diego

mar. 3/25

2:48 pm-12:03 am

1 stop6h 15m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Kentucky to San Diego

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

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 febrero 22, 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 febrero 22, 2025.
Read reviews from past customers who have flown Southwest, Breeze Airways and Alaska Airlines 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.
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Southwest
8.1
Very good
4,396 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Breeze Airways
8.1
Very good
150 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Alaska Airlines
8.0
Very good
9,702 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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

JetBlue
7.4
Good
3,068 reviews
Southwest
8.1
Very good
4,396 reviews

Crew

8.7

Comfort

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Overall

8.1

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

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 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 $50 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $55 and Delta from $122 one-way.

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

    When deciding which route to take from Kentucky to San Diego consider Cincinnati Cinci./N. Kentucky - San Diego, Nashville Intl - San Diego or Lexington Blue Grass - San Diego as they are the most popular.

  • 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

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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.
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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 febrero 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$158Average$219FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$261Average$438FlexibilityNo cancel feeOn-time71%
DeltaCheapest$281Average$426FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$454FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$381Average$537FlexibilityNo cancel feeOn-time63%
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