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Kentucky

$57+ Cheap flights from San Diego (SAN) to Kentucky

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from San Diego to Kentucky

Keep the following information in mind while searching for San Diego to Kentucky flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Mytrip)

One-way from

$57
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$544
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 Kentucky
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One-way flight from San Diego to Kentucky
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Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
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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 March 2025
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Find flight deals from San Diego to Kentucky

Cheapest flights from San Diego to Kentucky
Explore the most affordable flight options available from San Diego to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/27. 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.
Wed 4/98:29 amSAN - CVG
1 stop28h 56mMultiple Airlines
Sun 4/137:30 amCVG - SAN
1 stop27h 04mMultiple Airlines
Deal found 3/27$210
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/192:41 pmSAN - TYS
1 stop6h 14mAmerican Airlines
Tue 4/226:18 pmTYS - SAN
1 stop8h 38mAmerican Airlines
Deal found 3/27$229
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/58:29 amSAN - TYS
1 stop10h 30mMultiple Airlines
Fri 5/910:53 amTYS - SAN
2 stops16h 00mMultiple Airlines
Deal found 3/26$233
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 5/210:38 amSAN - CVG
1 stop10h 45mFrontier
Mon 5/57:51 pmCVG - SAN
1 stop7h 07mFrontier
Deal found 3/27$238
This Delta deal was found by Cheapflights users on 3/27. 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 5/216:15 amSAN - BNA
1 stop10h 10mDelta
Tue 5/276:00 amBNA - SAN
1 stop7h 16mDelta
Deal found 3/27$277
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Fri 4/258:29 amSAN - SDF
2 stops24h 18mSpirit Airlines
Tue 4/295:05 amSDF - SAN
2 stops22h 37mSpirit Airlines
Deal found 3/26$277
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Thu 4/175:59 pmSAN - BNA
1 stop15h 16mMultiple Airlines
Wed 4/239:18 amBNA - SAN
2 stops24h 16mMultiple Airlines
Deal found 3/27$278
This Mytrip deal was found by Cheapflights users on 3/26. 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.
Fri 4/189:08 pmSAN - BNA
3 stops38h 54mSpirit Airlines
Mon 4/2110:40 pmBNA - SAN
2 stops34h 54mSpirit Airlines
Deal found 3/26$279
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Sun 4/66:25 amSAN - BNA
1 stop28h 44mFrontier
Fri 4/116:00 pmBNA - SAN
1 stop8h 14mFrontier
Deal found 3/27$280
This Delta deal was found by Cheapflights users on 3/28. 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.
Fri 4/1810:30 pmSAN - TYS
1 stop8h 12mDelta
Tue 4/2212:55 pmTYS - SAN
1 stop8h 10mDelta
Deal found 3/28$283
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Fri 4/1110:16 amSAN - TYS
2 stops9h 06mUnited Airlines
Wed 4/167:00 amTYS - SAN
1 stop7h 42mUnited Airlines
Deal found 3/26$289
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 5/169:45 pmSAN - LEX
1 stop8h 39mDelta
Thu 5/225:49 pmLEX - SAN
1 stop7h 51mDelta
Deal found 3/27$289

Cheapflights Fare Finder

Customize your flight search to find flights from San Diego to Kentucky 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 28, 2025.
Use the filters below to find and compare flights from San Diego to Kentucky that are best for you.

Fly from

San Diego

Fly to

Kentucky

Route

Depart

Return

Price

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Wed 4/9

8:29 am-4:25 pm

1 stop28h 56m

Cincinnati Cinci./N. Kentucky

Sun 4/13

7:30 am-7:34 am

1 stop27h 04m

$210

San DiegoKnoxville

SAN - TYS

SANTYS

San Diego

Sat 4/19

2:41 pm-11:55 pm

1 stop6h 14m

Knoxville McGhee Tyson

Tue 4/22

6:18 pm-11:56 pm

1 stop8h 38m

$229

San DiegoKnoxville

SAN - TYS

SANTYS

San Diego

Mon 5/5

8:29 am-9:59 pm

1 stop10h 30m

Knoxville McGhee Tyson

Fri 5/9

10:53 am-11:53 pm

2 stops16h 00m

$233

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Fri 5/2

10:38 am-12:23 am

1 stop10h 45m

Cincinnati Cinci./N. Kentucky

Mon 5/5

7:51 pm-11:58 pm

1 stop7h 07m

$238

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Wed 5/21

6:15 am-6:25 pm

1 stop10h 10m

Nashville Intl

Tue 5/27

6:00 am-11:16 am

1 stop7h 16m

$277

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Fri 4/25

8:29 am-11:47 am

2 stops24h 18m

Louisville Intl

Tue 4/29

5:05 am-12:42 am

2 stops22h 37m

$277

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Thu 4/17

5:59 pm-11:15 am

1 stop15h 16m

Nashville Intl

Wed 4/23

9:18 am-7:34 am

2 stops24h 16m

$278

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Fri 4/18

9:08 pm-2:02 pm

3 stops38h 54m

Nashville Intl

Mon 4/21

10:40 pm-7:34 am

2 stops34h 54m

$279

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Sun 4/6

6:25 am-1:09 pm

1 stop28h 44m

Nashville Intl

Fri 4/11

6:00 pm-12:14 am

1 stop8h 14m

$280

San DiegoKnoxville

SAN - TYS

SANTYS

San Diego

Fri 4/18

10:30 pm-9:42 am

1 stop8h 12m

Knoxville McGhee Tyson

Tue 4/22

12:55 pm-6:05 pm

1 stop8h 10m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 60 results
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Best time to book a flight from San Diego to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky 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.

Cheapflights Insights

Everything you need to know about your flight from San Diego to Kentucky

What is the cheapest month to book a flight from San Diego to Kentucky?

Currently, January is the cheapest month in which you can book a flight from San Diego to Kentucky (average of $299). Flying from San Diego to Kentucky 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 KY?

Find hourly flight availability from San Diego to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from San Diego to Kentucky, 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 Kentucky by month

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

In terms of precipitation, rainfall in Kentucky 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 Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

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

If weather is an important factor for your trip to Kentucky, 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 Kentucky

Get insights into the airlines that provide service to Kentucky. 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 Kentucky. Reviews last updated March 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from San Diego to Kentucky to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Overall

8.1

Food

7.1

Boarding

8.2

Comfort

8.1

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Kentucky. 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 from for flights from San Diego to Kentucky?

    If you book a flight to Kentucky from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $57. American Airlines flights start at $115 while deals on Allegiant Air start at $117 one-way.

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

    Most travelers choose San Diego - Nashville Intl, San Diego - Knoxville McGhee Tyson or San Diego - Louisville Intl when deciding on the best route from San Diego to Kentucky.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Diego to Kentucky (average of $299). Flying from San Diego to Kentucky 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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Alternative routes for San Diego to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from San Diego to Kentucky

Discover the top 5 airlines that operate flights from San Diego to Kentucky. 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$185Average$235FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$263Average$444FlexibilityNo cancel feeOn-time71%
DeltaCheapest$263Average$405FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$509FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$376Average$544FlexibilityNo cancel feeOn-time63%
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