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Kentucky

$63+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SDF
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/256:25 amSAN - CVG
1 stop16h 43mFrontier
Mon 1/51:36 pmCVG - SAN
2 stops35h 22mFrontier
Deal found 12/17$250
This Mytrip deal was found by Cheapflights users on 12/16. 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 12/316:25 amSAN - CVG
1 stop27h 48mFrontier
Sun 1/47:16 pmCVG - SAN
1 stop26h 59mFrontier
Deal found 12/16$251
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:25 amSAN - CVG
1 stop27h 48mFrontier
Mon 1/51:36 pmCVG - SAN
2 stops35h 22mFrontier
Deal found 12/17$279
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/256:25 amSAN - CVG
1 stop16h 43mFrontier
Sun 1/48:20 pmCVG - SAN
2 stops19h 55mFrontier
Deal found 12/17$290
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 12/256:25 amSAN - CVG
1 stop16h 43mFrontier
Sat 1/36:49 pmCVG - SAN
2 stops18h 24mFrontier
Deal found 12/17$300
This Frontier deal was found by Cheapflights users on 12/16. 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 12/196:25 amSAN - BNA
1 stop9h 42mFrontier
Sun 1/113:32 pmBNA - SAN
1 stop10h 17mFrontier
Deal found 12/16$302
This Travelocity deal was found by Cheapflights users on 12/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:25 amSAN - BNA
1 stop9h 42mFrontier
Sat 1/31:30 pmBNA - SAN
1 stop12h 29mFrontier
Deal found 12/16$312
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Fri 12/264:47 pmSAN - CVG
1 stop17h 08mFrontier
Mon 1/58:20 pmCVG - SAN
2 stops21h 14mFrontier
Deal found 12/17$316
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:25 amSAN - CVG
1 stop27h 48mFrontier
Sun 1/48:20 pmCVG - SAN
2 stops19h 55mFrontier
Deal found 12/17$319
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/246:25 amSAN - CVG
1 stop27h 48mFrontier
Sat 1/36:49 pmCVG - SAN
2 stops18h 24mFrontier
Deal found 12/17$329
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Fri 12/264:47 pmSAN - CVG
1 stop17h 08mFrontier
Sun 1/48:20 pmCVG - SAN
2 stops19h 55mFrontier
Deal found 12/17$346
This Delta deal was found by Cheapflights users on 12/17. 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 12/2411:52 amSAN - TYS
1 stop8h 21mDelta
Thu 12/251:54 pmTYS - SAN
1 stop7h 44mDelta
Deal found 12/17$358

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$153
(Kiwi.com)

One-way from

$63
(Trip.com)

Popular in

October

Cheapest in

November

Average price

$549
Provider with most accurate pricing for San Diego-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Louisville Intl flights.
Search Deals
From San Diego to Kentucky
Search Deals
One-way flight from San Diego to Kentucky
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Thu 1/8

2:50 pm-11:54 pm

1 stop30h 04m

Cincinnati Cinci./N. Kentucky

Thu 1/15

12:46 pm-10:08 am

1 stop24h 22m

$156

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Wed 1/7

3:29 pm-1:13 pm

1 stop18h 44m

Cincinnati Cinci./N. Kentucky

Thu 1/15

12:46 pm-8:21 am

2 stops22h 35m

$185

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Thu 1/8

2:50 pm-11:54 pm

1 stop30h 04m

Cincinnati Cinci./N. Kentucky

Wed 1/14

1:21 pm-12:24 am

2 stops38h 03m

$186

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Tue 1/6

3:29 pm-2:39 pm

2 stops20h 10m

Cincinnati Cinci./N. Kentucky

Thu 1/15

12:46 pm-10:08 am

1 stop24h 22m

$206

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Thu 1/29

6:30 am-6:42 pm

1 stop10h 12m

Nashville Intl

Sun 2/1

7:37 pm-12:08 am

1 stop6h 31m

$217

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Thu 1/8

11:47 am-1:13 pm

1 stop22h 26m

Cincinnati Cinci./N. Kentucky

Tue 1/13

8:00 am-3:29 pm

1 stop10h 29m

$238

San DiegoKnoxville

SAN - TYS

SANTYS

San Diego

Thu 1/22

11:49 am-3:30 pm

1 stop24h 41m

Knoxville McGhee Tyson

Mon 1/26

4:30 pm-12:08 am

1 stop10h 38m

$238

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Mon 2/23

2:05 pm-12:22 am

1 stop7h 17m

Cincinnati Cinci./N. Kentucky

Fri 2/27

9:41 am-12:08 am

2 stops17h 27m

$240

San DiegoNashville

SAN - BNA

SANBNA

San Diego

Thu 1/8

6:25 am-2:47 pm

1 stop6h 22m

Nashville Intl

Tue 1/13

7:00 am-3:29 pm

1 stop10h 29m

$250

San DiegoCincinnati

SAN - CVG

SANCVG

San Diego

Tue 1/13

6:15 am-7:49 pm

1 stop10h 34m

Cincinnati Cinci./N. Kentucky

Sun 1/18

6:13 pm-12:24 am

1 stop9h 11m

$254

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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, June is the cheapest month in which you can book a flight from San Diego to Kentucky (average of $71). Flying from San Diego to Kentucky in December is currently the most expensive (average of $306). 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 December 18, 2025.

When flying from San Diego to Kentucky, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight at noon.

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 December 18, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Diego to Kentucky. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Southwest
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Delta
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
United Airlines
7.4
Good
9,091 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
American Airlines
7.2
Good
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.
Spirit Airlines
6.3
Okay
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Food

7.0

Overall

7.9

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

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.

  • How long is the flight from San Diego to Kentucky?

    A quick flight from San Diego to Kentucky can take about 7h 35m. Frontier provides one of the quickest options available for as low as $263. The distance between San Diego and Kentucky is about 1861 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Southwest, which is currently one of the cheapest options available, starting at $104. American Airlines flights start at $108 while deals on Delta start at $143 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 - Cincinnati Cinci./N. Kentucky 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, June is the cheapest month in which you can book a flight from San Diego to Kentucky (average of $71). Flying from San Diego to Kentucky in December is currently the most expensive (average of $306). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$91Average$219FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$246Average$405FlexibilityNo cancel feeOn-time71%
DeltaCheapest$276Average$357FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$280Average$474FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$298Average$533FlexibilityNo cancel feeOn-time63%

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