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$64+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SAN
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from Kentucky to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Kentucky (USKY) to San Diego (SAN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Round-trip from

$148
(Frontier)

One-way from

$64
(Frontier)
From Kentucky to San Diego
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One-way flight from Kentucky to San Diego
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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 December 22, 2024.

This Frontier deal was found by Cheapflights users on 12/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:30 amCVG - SAN
1 stop7h 21mFrontier
Thu 1/29:17 pmSAN - CVG
1 stop11h 09mFrontier
Deal found 12/21$378
This Delta deal was found by Cheapflights users on 12/21. 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.
Sun 12/226:25 pmLEX - SAN
1 stop8h 18mDelta
Tue 1/710:30 pmSAN - LEX
1 stop8h 11mDelta
Deal found 12/21$413
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:25 amTYS - SAN
1 stop6h 52mDelta
Wed 1/812:05 pmSAN - TYS
1 stop8h 03mDelta
Deal found 12/22$413
This American Airlines deal was found by Cheapflights users on 12/22. 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.
Sun 12/222:38 pmTYS - SAN
1 stop9h 23mAmerican Airlines
Sun 12/292:42 pmSAN - TYS
1 stop6h 38mAmerican Airlines
Deal found 12/22$453
This Delta deal was found by Cheapflights users on 12/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/314:45 pmCVG - SAN
1 stop7h 21mDelta
Wed 1/16:15 amSAN - CVG
1 stop7h 47mDelta
Deal found 12/22$472
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/227:49 pmLEX - SAN
1 stop7h 10mAmerican Airlines
Tue 1/712:16 pmSAN - LEX
2 stops8h 42mAmerican Airlines
Deal found 12/21$493
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:03 amSDF - SAN
1 stop8h 33mAmerican Airlines
Fri 1/310:39 pmSAN - SDF
1 stop9h 12mAmerican Airlines
Deal found 12/20$532
This Gotogate deal was found by Cheapflights users on 12/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/275:07 pmBNA - SAN
1 stop8h 47mFrontier
Tue 12/316:25 amSAN - BNA
1 stop28h 05mFrontier
Deal found 12/22$534
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/232:35 pmTYS - SAN
2 stops12h 23mUnited Airlines
Sat 12/289:50 pmSAN - TYS
1 stop9h 49mUnited Airlines
Deal found 12/21$548
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/318:34 amSDF - SAN
1 stop10h 14mUnited Airlines
Fri 1/38:51 pmSAN - SDF
2 stops10h 18mUnited Airlines
Deal found 12/20$572
This Alaska Airlines deal was found by Cheapflights users on 12/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/254:11 pmTYS - SAN
1 stop8h 48mAlaska Airlines
Wed 1/87:55 pmSAN - TYS
2 stops23h 01mAlaska Airlines
Deal found 12/22$583
This Southwest deal was found by Cheapflights users on 12/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/312:00 pmCVG - SAN
2 stops10h 15mSouthwest
Wed 1/18:30 amSAN - CVG
1 stop11h 00mSouthwest
Deal found 12/22$598

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Thu 1/16

4:19 pm-11:52 pm

1 stop10h 33m

San Diego

Thu 1/23

6:25 am-3:19 pm

1 stop5h 54m

$148

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Thu 1/30

7:45 am-5:33 pm

1 stop12h 48m

San Diego

Sat 2/1

3:58 pm-1:06 pm

1 stop18h 08m

$175

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Mon 1/27

12:55 pm-10:18 pm

1 stop11h 23m

San Diego

Fri 1/31

6:15 am-10:52 pm

2 stops14h 37m

$217

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Tue 1/7

6:00 am-10:12 pm

2 stops18h 12m

San Diego

Thu 1/9

12:10 pm-1:53 pm

1 stop23h 43m

$218

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Thu 1/23

2:16 pm-6:58 pm

1 stop7h 42m

San Diego

Wed 1/29

8:55 pm-5:29 pm

2 stops17h 34m

$226

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Fri 1/17

5:43 pm-11:01 am

1 stop19h 18m

San Diego

Sat 1/25

12:01 pm-1:54 pm

1 stop23h 53m

$263

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sat 1/18

6:40 pm-12:14 am

1 stop7h 34m

San Diego

Sat 1/25

8:15 am-6:57 pm

1 stop8h 42m

$272

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Wed 1/15

6:50 pm-9:30 am

1 stop16h 40m

San Diego

Sun 1/26

8:00 am-5:50 pm

1 stop7h 50m

$276

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sun 1/19

5:10 pm-11:58 pm

1 stop8h 48m

San Diego

Sun 1/26

6:15 am-3:50 pm

1 stop7h 35m

$277

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Thu 1/16

10:00 am-9:50 am

2 stops26h 50m

San Diego

Thu 1/23

6:25 am-5:06 pm

1 stop7h 41m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 58 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 December 22, 2024.

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 December 22, 2024.
Read reviews from past customers who have flown Alaska Airlines, Delta and American 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
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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

Southwest
8.1
Very good
4,804 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,537 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,594 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,028 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,804 reviews

Comfort

8.1

Food

7.2

Boarding

8.2

Crew

8.7

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

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 $64 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $80 and Delta from $138 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 Nashville Intl - San Diego, Cincinnati Cinci./N. Kentucky - San Diego or Louisville Intl - 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

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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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$158Average$263FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$263Average$437FlexibilityNo cancel feeOn-time71%
DeltaCheapest$281Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$466FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$346Average$521FlexibilityNo cancel feeOn-time63%
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