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Cheap flights from Kentucky to San Diego from $53

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to San Diego departing on 1/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kentucky to San Diego

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:24 am - 9:39 pmCVG-SAN
14h 15m1 stop
Frontier Logo
6:25 am - 10:34 pmSAN-CVG
13h 09m1 stop
$176Frontier
Find Deal
Tue, Nov 18 - Mon, Dec 8
Frontier Logo
6:00 am - 2:10 pmCVG-SAN
11h 10m2 stops
Frontier Logo
6:34 am - 1:13 pmSAN-CVG
27h 39m1 stop
$178Frontier
Find Deal
Mon, Dec 8 - Wed, Dec 10
American Airlines Logo
2:15 pm - 8:00 pmLEX-SAN
8h 45m1 stop
American Airlines Logo
2:18 pm - 11:53 pmSAN-LEX
6h 35m1 stop
$217American Airlines
Find Deal
Sat, Apr 25 - Sat, May 2
Multiple Airlines Logo
7:20 am - 11:44 pmCVG-SAN
19h 24m2 stops
Multiple Airlines Logo
6:36 am - 12:39 amSAN-CVG
15h 03m1 stop
$223Multiple Airlines
Find Deal
Thu, Nov 20 - Wed, Nov 26
Multiple Airlines Logo
9:44 am - 3:52 pmCVG-SAN
9h 08m1 stop
Multiple Airlines Logo
6:34 am - 10:49 amSAN-CVG
25h 15m2 stops
$226Multiple Airlines
Find Deal
Sun, Dec 7 - Wed, Dec 10
American Airlines Logo
1:32 pm - 10:26 pmSDF-SAN
11h 54m1 stop
American Airlines Logo
6:15 am - 9:24 pmSAN-SDF
12h 09m1 stop
$227American Airlines
Find Deal
Wed, Feb 11 - Tue, Feb 24
Southwest Logo
5:50 am - 12:30 pmBNA-SAN
8h 40m1 stop
Southwest Logo
2:00 pm - 10:50 pmSAN-BNA
6h 50m1 stop
$241Southwest
Find Deal
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
6:35 pm - 12:15 amBNA-SAN
7h 40m1 stop
United Airlines Logo
9:00 am - 7:33 pmSAN-BNA
8h 33m2 stops
$242United Airlines
Find Deal
Thu, Jan 29 - Sat, Jan 31
United Airlines Logo
5:20 pm - 10:30 pmBNA-SAN
7h 10m1 stop
United Airlines Logo
11:02 am - 9:33 pmSAN-BNA
8h 31m2 stops
$246United Airlines
Find Deal
Thu, Dec 11 - Tue, Dec 16
Southwest Logo
5:25 am - 10:50 amBNA-SAN
7h 25m1 stop
Southwest Logo
6:20 am - 3:30 pmSAN-BNA
7h 10m2 stops
$295Southwest
Find Deal
Sat, Dec 13 - Tue, Dec 16

Frontier flights from Kentucky to San Diego

Our best Frontier deals on Kentucky to San Diego flight tickets
Frontier
Nov 18
CVG10:24 amCincinnati Cinci./N. Kentucky
14h 15m
1 stop
SAN9:39 pmSan Diego
Dec 8
SAN6:25 amSan Diego
13h 09m
1 stop
CVG10:34 pmCincinnati Cinci./N. Kentucky
$176
Find similar
Frontier
Dec 8
CVG6:00 amCincinnati Cinci./N. Kentucky
11h 10m
2 stops
SAN2:10 pmSan Diego
Dec 10
SAN6:34 amSan Diego
27h 39m
1 stop
CVG1:13 pmCincinnati Cinci./N. Kentucky
$178
Find similar
Frontier
Nov 20
CVG11:56 amCincinnati Cinci./N. Kentucky
15h 03m
1 stop
SAN11:59 pmSan Diego
Dec 3
SAN6:25 amSan Diego
25h 24m
2 stops
CVG10:49 amCincinnati Cinci./N. Kentucky
$182
Find similar

United Airlines flights from Kentucky to San Diego

Our best United Airlines deals on Kentucky to San Diego flight tickets
United Airlines
Jan 29
BNA6:35 pmNashville Intl
7h 40m
1 stop
SAN12:15 amSan Diego
Jan 31
SAN9:00 amSan Diego
8h 33m
2 stops
BNA7:33 pmNashville Intl
$242
Find similar
United Airlines
Dec 11
BNA5:20 pmNashville Intl
7h 10m
1 stop
SAN10:30 pmSan Diego
Dec 16
SAN11:02 amSan Diego
8h 31m
2 stops
BNA9:33 pmNashville Intl
$246
Find similar
United Airlines
Dec 8
SDF5:57 pmLouisville Intl
7h 33m
1 stop
SAN10:30 pmSan Diego
Dec 10
SAN11:02 amSan Diego
8h 08m
2 stops
SDF10:10 pmLouisville Intl
$252
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Kentucky to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Tue 11/18

10:24 am-9:39 pm

1 stop14h 15m

San Diego

Mon 12/8

6:25 am-10:34 pm

1 stop13h 09m

$176

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Mon 12/8

6:00 am-2:10 pm

2 stops11h 10m

San Diego

Wed 12/10

6:34 am-1:13 pm

1 stop27h 39m

$178

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 4/25

2:15 pm-8:00 pm

1 stop8h 45m

San Diego

Sat 5/2

2:18 pm-11:53 pm

1 stop6h 35m

$217

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Thu 11/20

7:20 am-11:44 pm

2 stops19h 24m

San Diego

Wed 11/26

6:36 am-12:39 am

1 stop15h 03m

$223

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 12/7

9:44 am-3:52 pm

1 stop9h 08m

San Diego

Wed 12/10

6:34 am-10:49 am

2 stops25h 15m

$226

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 2/11

1:32 pm-10:26 pm

1 stop11h 54m

San Diego

Tue 2/24

6:15 am-9:24 pm

1 stop12h 09m

$227

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sat 1/24

5:50 am-12:30 pm

1 stop8h 40m

San Diego

Wed 1/28

2:00 pm-10:50 pm

1 stop6h 50m

$241

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Thu 1/29

6:35 pm-12:15 am

1 stop7h 40m

San Diego

Sat 1/31

9:00 am-7:33 pm

2 stops8h 33m

$242

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Thu 12/11

5:20 pm-10:30 pm

1 stop7h 10m

San Diego

Tue 12/16

11:02 am-9:33 pm

2 stops8h 31m

$246

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sat 12/13

5:25 am-10:50 am

1 stop7h 25m

San Diego

Tue 12/16

6:20 am-3:30 pm

2 stops7h 10m

$295

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Diego from

How to get the cheapest flight ticket from Kentucky to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Diego?

If you are unable to visit San Diego during the month of August, then departing from Kentucky during the month September is also very affordable. Most momondo users find prices during this month for around $384.

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Kentucky to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $416. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

What is the cheapest time of day to depart on your flight to San Diego?

The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $393. Flights at noon are often more expensive with an average ticket price of $520.

How far in advance should I book a flight to San Diego?

You are more likely to see cheaper flights to San Diego from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $454 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Kentucky for as low as $364 on momondo.

Cheap Kentucky to San Diego flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to San Diego

Fastest flight time

4h 35m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from Kentucky to San Diego takes 4h 35m
Direct flights go from Kentucky to San Diego every day.
There is 1 airport near San Diego: San Diego (SAN)
Search flight deals

  • When did momondo last update prices for flights from Kentucky to San Diego Airport?

    Prices for flights from Kentucky to San Diego Airport are updated daily.

  • How many operators does momondo search for flights from Kentucky to San Diego Airport?

  • How old do you have to be to fly from Kentucky to San Diego Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to San Diego Airport.

  • What documentation or ID do you need to fly to San Diego Airport?

    The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to San Diego

Compare and see reviews for airlines that fly from Kentucky to San Diego with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $232Free CancellationRating
6.3
8,122 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $233Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $274Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,001 reviews
Search Delta flights
SouthwestPriceFrom $362Free CancellationRating
8.0
4,241 reviews
Search Southwest flights

Traveling to a place near San Diego?

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

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to San Diego?

Finding the right flight to San Diego from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Diego quick and easy, saving you time and money.

Can I find flights from Kentucky to San Diego with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Diego from Kentucky with this policy.

How can momondo help me find flights from Kentucky to San Diego?

Once you have performed a search for Kentucky to San Diego flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kentucky to San Diego right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Diego from Kentucky. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Diego trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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