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Cheap flights from Kentucky to San Diego from $71

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 4/27. 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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0 bags

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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
4:28 pm - 11:59 pm
TYS
-
SAN
10h 31m
1 stop
Frontier Logo
6:25 am - 3:33 pm
SAN
-
TYS
6h 08m
1 stop
$190Frontier
Thu, Apr 16 - Sun, Apr 19
American Airlines Logo
4:27 pm - 11:33 pm
LEX
-
SAN
10h 06m
1 stop
American Airlines Logo
9:25 pm - 9:11 am
SAN
-
LEX
8h 46m
1 stop
$217American Airlines
Wed, May 13 - Sat, May 23
American Airlines Logo
4:27 pm - 11:33 pm
LEX
-
SAN
10h 06m
1 stop
American Airlines Logo
1:19 pm - 12:01 am
SAN
-
LEX
7h 42m
1 stop
$221American Airlines
Wed, May 13 - Wed, May 27
Multiple Airlines Logo
3:01 pm - 12:08 am
BNA
-
SAN
11h 07m
1 stop
Multiple Airlines Logo
2:08 pm - 5:10 am
SAN
-
BNA
13h 02m
1 stop
$248Multiple Airlines
Fri, Mar 20 - Wed, Mar 25
Delta Logo
7:22 pm - 11:48 pm
BNA
-
SAN
6h 26m
1 stop
Delta Logo
9:45 pm - 7:44 am
SAN
-
BNA
7h 59m
1 stop
$255Delta
Tue, Apr 7 - Mon, Apr 20
Delta Logo
5:49 pm - 10:59 pm
LEX
-
SAN
8h 10m
1 stop
Delta Logo
9:45 pm - 9:35 am
SAN
-
LEX
8h 50m
1 stop
$277Delta
Tue, Apr 7 - Tue, Apr 14
United Airlines Logo
5:15 pm - 9:26 pm
TYS
-
SAN
7h 11m
1 stop
United Airlines Logo
11:01 am - 10:34 pm
SAN
-
TYS
8h 33m
2 stops
$282United Airlines
Wed, Apr 15 - Sat, Apr 18
Southwest Logo
6:35 am - 10:15 am
TYS
-
SAN
6h 40m
1 stop
Southwest Logo
10:40 pm - 11:50 am
SAN
-
TYS
10h 10m
1 stop
$306Southwest
Tue, Mar 24 - Mon, Mar 30
United Airlines Logo
9:55 am - 3:15 pm
SDF
-
SAN
8h 20m
1 stop
United Airlines Logo
2:10 pm - 11:59 pm
SAN
-
SDF
6h 49m
1 stop
$335United Airlines
Sat, Apr 11 - Tue, Apr 14
Southwest Logo
2:40 pm - 7:55 pm
SDF
-
SAN
8h 15m
2 stops
Southwest Logo
7:25 am - 6:35 pm
SAN
-
SDF
8h 10m
1 stop
$346Southwest
Mon, Apr 20 - Tue, Apr 28

Delta flights from Kentucky to San Diego

Our best Delta deals on Kentucky to San Diego flight tickets
Delta
Apr 7
BNA7:22 pmNashville Intl
6h 26m
1 stop
SAN11:48 pmSan Diego
Apr 20
SAN9:45 pmSan Diego
7h 59m
1 stop
BNA7:44 amNashville Intl
$255
Delta
Apr 7
LEX5:49 pmLexington Blue Grass
8h 10m
1 stop
SAN10:59 pmSan Diego
Apr 14
SAN9:45 pmSan Diego
8h 50m
1 stop
LEX9:35 amLexington Blue Grass
$277
Delta
Apr 9
BNA7:22 pmNashville Intl
6h 26m
1 stop
SAN11:48 pmSan Diego
Apr 16
SAN2:10 pmSan Diego
7h 14m
1 stop
BNA11:24 pmNashville Intl
$287

United Airlines flights from Kentucky to San Diego

Our best United Airlines deals on Kentucky to San Diego flight tickets
United Airlines
Mar 21
BNA6:29 pmNashville Intl
7h 45m
1 stop
SAN12:14 amSan Diego
Mar 25
SAN10:30 amSan Diego
6h 06m
1 stop
BNA6:36 pmNashville Intl
$272
United Airlines
Apr 3
BNA6:50 pmNashville Intl
7h 39m
1 stop
SAN12:29 amSan Diego
Apr 7
SAN11:00 amSan Diego
7h 24m
1 stop
BNA8:24 pmNashville Intl
$275
United Airlines
Aug 11
TYS7:00 amKnoxville McGhee Tyson
7h 07m
1 stop
SAN11:07 amSan Diego
Aug 15
SAN9:55 pmSan Diego
9h 05m
1 stop
TYS10:00 amKnoxville McGhee Tyson
$277

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 February 28, 2026.
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

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Thu 4/16

4:28 pm-11:59 pm

1 stop10h 31m

San Diego

Sun 4/19

6:25 am-3:33 pm

1 stop6h 08m

$190

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 5/13

4:27 pm-11:33 pm

1 stop10h 06m

San Diego

Sat 5/23

9:25 pm-9:11 am

1 stop8h 46m

$217

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Wed 5/13

4:27 pm-11:33 pm

1 stop10h 06m

San Diego

Wed 5/27

1:19 pm-12:01 am

1 stop7h 42m

$221

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Fri 3/20

3:01 pm-12:08 am

1 stop11h 07m

San Diego

Wed 3/25

2:08 pm-5:10 am

1 stop13h 02m

$248

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Tue 4/7

7:22 pm-11:48 pm

1 stop6h 26m

San Diego

Mon 4/20

9:45 pm-7:44 am

1 stop7h 59m

$255

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Tue 4/7

5:49 pm-10:59 pm

1 stop8h 10m

San Diego

Tue 4/14

9:45 pm-9:35 am

1 stop8h 50m

$277

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Wed 4/15

5:15 pm-9:26 pm

1 stop7h 11m

San Diego

Sat 4/18

11:01 am-10:34 pm

2 stops8h 33m

$282

KnoxvilleSan Diego

TYS - SAN

TYSSAN

Knoxville McGhee Tyson

Tue 3/24

6:35 am-10:15 am

1 stop6h 40m

San Diego

Mon 3/30

10:40 pm-11:50 am

1 stop10h 10m

$306

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 4/11

9:55 am-3:15 pm

1 stop8h 20m

San Diego

Tue 4/14

2:10 pm-11:59 pm

1 stop6h 49m

$335

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Mon 4/20

2:40 pm-7:55 pm

2 stops8h 15m

San Diego

Tue 4/28

7:25 am-6:35 pm

1 stop8h 10m

$346

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 January is also very affordable. Most momondo users find prices during this month for around $383.

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 $433 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 $347 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 05m

Direct flights

Every day

Airports in San Diego

1 airport
The fastest flight from Kentucky to San Diego takes 4h 05m
Direct flights go from Kentucky to San Diego every day.
There is 1 airport in San Diego. From Kentucky there are direct flights to 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 $112Free CancellationRating
6.3
8,492 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $216Free CancellationRating
7.1
11,367 reviews
Search American Airlines flights
DeltaPriceFrom $230Free CancellationRating
7.9
8,245 reviews
Search Delta flights
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,363 reviews
Search United Airlines flights
SouthwestPriceFrom $336Free CancellationRating
8.0
4,303 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
Poway
National City
Imperial Beach
San Ysidro
Borrego Springs
La Mesa
Alpine
Lemon Grove
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.

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