What is the cheapest airline that flies from Kentucky to San Diego?

Spirit Airlines, Breeze Airways, and Frontier are the most popular carriers operating from Kentucky to San Diego

How many flights depart from Kentucky to San Diego on average per week?

15 flights are operational weekly from Kentucky to San Diego as of July 2025. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

What airlines fly to San Diego?

American Airlines, Southwest and Delta are the top three most popular airlines that fly to San Diego from Kentucky according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 5 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Diego?

On average, it takes 6h 47m to fly from Kentucky to San Diego if you fly out of Louisville (the most popular airport in Kentucky) and into San Diego (the most popular airport in San Diego). If you’re flying out of Lexington and into San Diego, then the flight time is around 6h 48m.

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?

There are 8 operators available for flights from Kentucky to San Diego Airport as of July 2025.

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.

$67 Cheap Flights from Kentucky to San Diego in 2025

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Find the cheapest flights from Kentucky to San Diego

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

3:26 pm - 11:34 pmBNA-SAN

10h 08m1 stop

6:15 am - 2:31 pmSAN-BNA

6h 16m1 stop

$132Spirit Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

3:37 pm - 11:37 pmBNA-SAN

10h 00m1 stop

6:15 am - 2:42 pmSAN-BNA

6h 27m1 stop

$137Spirit Airlines

Find Deal

Mon, Aug 18 - Thu, Aug 21

9:49 pm - 7:21 amCVG-SAN

12h 32m1 stop

6:15 am - 8:59 pmSAN-CVG

11h 44m1 stop

$199

Find Deal

Sun, Aug 24 - Thu, Aug 28

4:38 pm - 10:25 pmBNA-SAN

7h 47m1 stop

6:15 am - 2:00 pmSAN-BNA

5h 45m1 stop

$209

Find Deal

Sat, Oct 11 - Wed, Oct 15

4:41 pm - 10:36 pmLEX-SAN

8h 55m1 stop

3:01 pm - 12:26 amSAN-LEX

6h 25m1 stop

$217American Airlines

Find Deal

Sat, Sep 6 - Wed, Sep 10

9:03 am - 10:51 amCVG-SAN

4h 48mnonstop

11:36 am - 7:07 pmSAN-CVG

4h 31mnonstop

$217Breeze Airways

Find Deal

Sun, Aug 24 - Sun, Aug 31

10:08 am - 11:56 amCVG-SAN

4h 48mnonstop

12:41 pm - 8:12 pmSAN-CVG

4h 31mnonstop

$218Breeze Airways

Find Deal

Tue, Aug 19 - Thu, Aug 21

12:12 pm - 6:51 pmSDF-SAN

9h 39m1 stop

1:00 pm - 11:08 pmSAN-SDF

7h 08m1 stop

$237American Airlines

Find Deal

Sat, Aug 23 - Tue, Aug 26

11:35 am - 5:55 pmSDF-SAN

9h 20m1 stop

6:30 am - 5:15 pmSAN-SDF

7h 45m2 stops

$242Southwest

Find Deal

Sat, Aug 23 - Tue, Aug 26

6:00 am - 11:20 amSDF-SAN

8h 20m2 stops

1:35 pm - 12:35 amSAN-SDF

8h 00m1 stop

$288Southwest

Find Deal

Wed, Oct 15 - Mon, Oct 20

Spirit Airlines flights from Kentucky to San Diego

Our best Spirit Airlines deals on Kentucky to San Diego flight tickets

Spirit Airlines

Sep 13

BNA3:26 pmNashville Intl

10h 08m

1 stop

SAN11:34 pmSan Diego

Sep 20

SAN6:15 amSan Diego

6h 16m

1 stop

BNA2:31 pmNashville Intl

$132

Find similar

Spirit Airlines

Aug 18

BNA3:37 pmNashville Intl

10h 00m

1 stop

SAN11:37 pmSan Diego

Aug 21

SAN6:15 amSan Diego

6h 27m

1 stop

BNA2:42 pmNashville Intl

$137

Find similar

Spirit Airlines

Sep 13

BNA3:26 pmNashville Intl

9h 58m

1 stop

SAN11:24 pmSan Diego

Sep 20

SAN6:15 amSan Diego

6h 16m

1 stop

BNA2:31 pmNashville Intl

$138

Find similar

Breeze Airways flights from Kentucky to San Diego

Our best Breeze Airways deals on Kentucky to San Diego flight tickets

Breeze Airways

Aug 24

CVG9:03 amCincinnati Cinci./N. Kentucky

4h 48m

SAN10:51 amSan Diego

Aug 31

SAN11:36 amSan Diego

4h 31m

CVG7:07 pmCincinnati Cinci./N. Kentucky

$217

Find similar

Breeze Airways

Aug 19

CVG10:08 amCincinnati Cinci./N. Kentucky

4h 48m

SAN11:56 amSan Diego

Aug 21

SAN12:41 pmSan Diego

4h 31m

CVG8:12 pmCincinnati Cinci./N. Kentucky

$218

Find similar

Breeze Airways

Aug 10

CVG9:03 amCincinnati Cinci./N. Kentucky

4h 48m

SAN10:51 amSan Diego

Aug 14

SAN12:41 pmSan Diego

4h 31m

CVG8:12 pmCincinnati Cinci./N. Kentucky

$228

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sat 9/13

3:26 pm-11:34 pm

1 stop10h 08m

San Diego

Sat 9/20

6:15 am-2:31 pm

1 stop6h 16m

$132

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Mon 8/18

3:37 pm-11:37 pm

1 stop10h 00m

San Diego

Thu 8/21

6:15 am-2:42 pm

1 stop6h 27m

$137

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 8/24

9:49 pm-7:21 am

1 stop12h 32m

San Diego

Thu 8/28

6:15 am-8:59 pm

1 stop11h 44m

$199

NashvilleSan Diego

BNA - SAN

BNASAN

Nashville Intl

Sat 10/11

4:38 pm-10:25 pm

1 stop7h 47m

San Diego

Wed 10/15

6:15 am-2:00 pm

1 stop5h 45m

$209

LexingtonSan Diego

LEX - SAN

LEXSAN

Lexington Blue Grass

Sat 9/6

4:41 pm-10:36 pm

1 stop8h 55m

San Diego

Wed 9/10

3:01 pm-12:26 am

1 stop6h 25m

$217

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Sun 8/24

9:03 am-10:51 am

Nonstop4h 48m

San Diego

Sun 8/31

11:36 am-7:07 pm

Nonstop4h 31m

$217

CincinnatiSan Diego

CVG - SAN

CVGSAN

Cincinnati Cinci./N. Kentucky

Tue 8/19

10:08 am-11:56 am

Nonstop4h 48m

San Diego

Thu 8/21

12:41 pm-8:12 pm

Nonstop4h 31m

$218

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 8/23

12:12 pm-6:51 pm

1 stop9h 39m

San Diego

Tue 8/26

1:00 pm-11:08 pm

1 stop7h 08m

$237

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Sat 8/23

11:35 am-5:55 pm

1 stop9h 20m

San Diego

Tue 8/26

6:30 am-5:15 pm

2 stops7h 45m

$242

LouisvilleSan Diego

SDF - SAN

SDFSAN

Louisville Intl

Wed 10/15

6:00 am-11:20 am

2 stops8h 20m

San Diego

Mon 10/20

1:35 pm-12:35 am

1 stop8h 00m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $416.

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 $449 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 $351 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

Best Price Found	$67
Fastest flight time	4h 25m
Direct flights	Every day
Airports in San Diego	1 airport

The best one-way flight to San Diego from Kentucky in the past 72 hours is $67. The best round-trip flight deal from Kentucky to San Diego found on momondo in the last 72 hours is $132.

The fastest flight from Kentucky to San Diego takes 4h 25m

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?
There are 8 operators available for flights from Kentucky to San Diego Airport as of July 2025.
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 Airlines	PriceFrom $169	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $281	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $282	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Southwest	PriceFrom $376	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Coronado

Chula Vista

El Cajon

Julian

National City

La Mesa

Imperial Beach

San Ysidro

Poway

Borrego Springs

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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Flights to Atlantafrom $29

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Fly to other destinations from Kentucky

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Cheap flights from Kentucky to San Diego from $67

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 10/22. 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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Big names and deals

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Filter for what you want

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Find the cheapest flights from Kentucky to San Diego

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Spirit Airlines flights from Kentucky to San Diego

Our best Spirit Airlines deals on Kentucky to San Diego flight tickets

Breeze Airways flights from Kentucky to San Diego

Our best Breeze Airways deals on Kentucky to San Diego flight tickets

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Use the filters below to find and compare flights from Kentucky to San Diego that are best for you.

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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 $416.

What is the cheapest day to depart on your flight 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?

What is the cheapest airline that flies from Kentucky to San Diego?

Spirit Airlines, Breeze Airways, and Frontier are the most popular carriers operating from Kentucky to San Diego

What airlines fly to San Diego?

How many flights depart from Kentucky to San Diego on average per week?

15 flights are operational weekly from Kentucky to San Diego as of July 2025. The most popular departure day for this route is Thu, with 33% of flights per week taking off on this day.

How long does it take to fly to San Diego?

On average, it takes 6h 47m to fly from Kentucky to San Diego if you fly out of Louisville (the most popular airport in Kentucky) and into San Diego (the most popular airport in San Diego). If you’re flying out of Lexington and into San Diego, then the flight time is around 6h 48m.

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Diego

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

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?

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

Best airlines flying from Kentucky to San Diego

Compare and see reviews for airlines that fly from Kentucky to San Diego with momondo

Traveling to a place near San Diego?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California