How popular is this California to Louisville flight route?

The California to Louisville Intl flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What are the cheapest airlines to fly from California to Louisville one-way?

The cheapest airlines for a one-way flight from California to Louisville are Spirit Airlines ($57), Delta ($119), and Breeze Airways ($128).

What are the most popular routes from California to Louisville?

When deciding which route to take from California to Louisville consider Los Angeles - Louisville Intl, Ontario - Louisville Intl or San Francisco - Louisville Intl as they are the most popular.

What are the cheapest flights from California to Louisville?

Looking at all options, your cheapest flight can be booked for $58. While the most popular route (Los Angeles - Louisville Intl) can be booked for $116 on average our data indicates $345 when flying from California to Louisville.

What are the most popular airlines that fly from California to Louisville?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from California to Louisville.

How far in advance should I book a flight from California to Louisville?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 205% on flights from California to Louisville compared to booking the week you need them. Waiting 57 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $316. For sooner than that we have options available in the next 3 days from $466.

What is the cheapest month to fly from California to Louisville?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Louisville. Flights to Louisville from California in August are about $375 on average during August, but can be found for as low as $89.

What airport do you fly into for flights to Louisville from California?

Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from California to Louisville.

Can I find deals for flights from California to Louisville that include hotel bookings?

Yes. In addition to deals on California to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from California to Louisville?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Louisville.

Can I find deals for business class flights from California to Louisville?

Yes. Cheapflights offers flight deals from California to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$57+ Flights from California to Louisville

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheap flight deals from California to Louisville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$174 (Cheapflightsfares)
One-way from	$57 (FlightHub)
Popular in	December
Cheapest in	August
Average price	$516
Good round-trip deal	$118 or less
Good one-way deal	$139 or less

Provider with most accurate pricing for Los Angeles-Louisville Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Los Angeles-Louisville Intl flights.

Search Deals

From California to Louisville Intl

Search Deals

One-way flight from California to Louisville Intl

Search Deals

Highest demand for flights based on searches. 23% potential increase in price ($116 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

Price to beat on a round-trip flight from California to Louisville Intl.

Search Deals

Price to beat on a one-way flight from California to Louisville Intl.

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Find flight deals from California to Louisville

Cheapest flights from California to Louisville
Explore the most affordable flight options available from California to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Thu 6/128:23 amLAX - SDF

1 stop7h 59mSpirit Airlines

Sun 6/156:09 pmSDF - LAX

Nonstop4h 26mSpirit Airlines

Deal found 3/27

$174

Mon 5/125:35 amLAS - SDF

1 stop6h 21mSpirit Airlines

Mon 5/193:51 pmSDF - LAS

1 stop10h 37mSpirit Airlines

Deal found 3/27

$174

Thu 4/176:05 amLAS - SDF

1 stop8h 14mDelta

Mon 4/211:18 pmSDF - LAS

1 stop7h 35mDelta

Deal found 3/28

$237

Wed 4/1612:59 amLAS - SDF

1 stop6h 26mAmerican Airlines

Mon 4/213:55 pmSDF - LAS

1 stop8h 24mAmerican Airlines

Deal found 3/28

$257

Sun 5/1811:10 pmLAX - SDF

1 stop8h 45mMultiple Airlines

Wed 6/189:34 amSDF - LAX

2 stops17h 51mMultiple Airlines

Deal found 3/26

$264

Thu 4/1710:10 pmLAS - SDF

1 stop21h 07mMultiple Airlines

Mon 4/216:19 pmSDF - LAS

2 stops31h 45mMultiple Airlines

Deal found 3/27

$267

Thu 5/87:58 pmSNA - SDF

2 stops15h 58mSpirit Airlines

Sun 5/118:19 pmSDF - SNA

2 stops21h 02mSpirit Airlines

Deal found 3/27

$271

Fri 5/97:00 amBUR - SDF

2 stops28h 40mSpirit Airlines

Sun 5/118:19 pmSDF - BUR

2 stops26h 22mSpirit Airlines

Deal found 3/27

$276

Fri 4/258:29 amSAN - SDF

2 stops24h 18mSpirit Airlines

Tue 4/295:05 amSDF - SAN

2 stops22h 37mSpirit Airlines

Deal found 3/26

$277

Fri 5/212:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Mon 5/59:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 3/27

$278

Thu 5/151:38 pmSJC - SDF

3 stops18h 24mSpirit Airlines

Sun 5/188:19 pmSDF - SJC

1 stop19h 14mSpirit Airlines

Deal found 3/27

$299

Sun 5/1112:24 amSFO - SDF

1 stop7h 01mAmerican Airlines

Wed 5/141:58 pmSDF - SFO

1 stop8h 18mAmerican Airlines

Deal found 3/27

$305

Best flights from California to Louisville
Discover carefully curated flight deals from California to Louisville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Thu 6/128:23 amLAX - SDF

1 stop7h 59mSpirit Airlines

Sun 6/156:09 pmSDF - LAX

Nonstop4h 26mSpirit Airlines

Deal found 3/27

$174

Thu 4/176:05 amLAS - SDF

1 stop8h 14mDelta

Mon 4/211:18 pmSDF - LAS

1 stop7h 35mDelta

Deal found 3/28

$237

Wed 4/1612:59 amLAS - SDF

1 stop6h 26mAmerican Airlines

Mon 4/213:55 pmSDF - LAS

1 stop8h 24mAmerican Airlines

Deal found 3/28

$257

Thu 4/1710:10 pmLAS - SDF

1 stop21h 07mMultiple Airlines

Mon 4/216:19 pmSDF - LAS

2 stops31h 45mMultiple Airlines

Deal found 3/27

$267

Thu 4/175:55 pmLAS - SDF

Nonstop3h 40mSouthwest

Mon 4/218:05 pmSDF - LAS

1 stop6h 15mSouthwest

Deal found 3/27

$305

Mon 5/125:35 amLAS - SDF

1 stop6h 21mSpirit Airlines

Mon 5/193:51 pmSDF - LAS

1 stop10h 37mSpirit Airlines

Deal found 3/27

$174

Mon 5/1212:59 amLAS - SDF

2 stops13h 27mUnited Airlines

Sat 5/1711:00 amSDF - LAS

1 stop7h 57mUnited Airlines

Deal found 3/26

$359

Thu 6/56:20 pmSFO - SDF

1 stop13h 13mSun Country Air

Mon 7/146:45 pmSDF - SFO

1 stop19h 23mSun Country Air

Deal found 3/27

$375

Tue 4/87:00 amBUR - SDF

2 stops11h 03mAlaska Airlines

Wed 4/165:45 amSDF - BUR

2 stops12h 45mAlaska Airlines

Deal found 3/27

$447

Fri 6/612:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Fri 6/139:37 amSDF - SFO

Nonstop5h 07mBreeze Airways

Deal found 3/27

$488

Sun 5/46:17 pmLAX - SDF

1 stop14h 26mMultiple Airlines

Sat 5/103:35 pmSDF - LAX

Nonstop4h 45mMultiple Airlines

Deal found 3/27

$270

Thu 5/87:58 pmSNA - SDF

2 stops15h 58mSpirit Airlines

Sun 5/118:19 pmSDF - SNA

2 stops21h 02mSpirit Airlines

Deal found 3/27

$271

Last-minute flights from California to Louisville
Discover last-minute flight deals from California to Louisville. Data last updated March 28, 2025 and is based on user searches.

Tue 4/14:29 pmLAX - SDF

1 stop27h 29mSpirit Airlines

Thu 4/36:00 amSDF - LAX

1 stop30h 58mSpirit Airlines

Deal found 3/27

$439

Tue 4/16:15 amSAN - SDF

3 stops37h 43mSpirit Airlines

Fri 4/46:00 amSDF - SAN

2 stops30h 41mSpirit Airlines

Deal found 3/27

$526

Tue 4/14:55 pmSAN - SDF

2 stops27h 03mMultiple Airlines

Fri 4/46:00 amSDF - SAN

2 stops28h 41mMultiple Airlines

Deal found 3/27

$613

Thu 4/31:41 pmSJC - SDF

2 stops19h 46mSpirit Airlines

Mon 4/75:33 pmSDF - SJC

2 stops19h 20mSpirit Airlines

Deal found 3/27

$435

Fri 4/411:52 amSFO - SDF

1 stop8h 08mAlaska Airlines

Sun 4/65:16 pmSDF - SFO

1 stop7h 39mAlaska Airlines

Deal found 3/27

$525

Sat 4/51:07 pmBUR - SDF

1 stop6h 08mUnited Airlines

Thu 4/173:25 pmSDF - BUR

1 stop8h 29mUnited Airlines

Deal found 3/27

$565

Sat 4/55:10 pmBUR - SDF

2 stops13h 53mDelta

Thu 4/172:37 pmSDF - BUR

2 stops10h 14mDelta

Deal found 3/27

$636

Sat 4/56:00 amONT - SDF

1 stop8h 36mAmerican Airlines

Thu 4/107:20 amSDF - ONT

1 stop9h 29mAmerican Airlines

Deal found 3/27

$652

Sun 4/64:29 pmLAX - SDF

2 stops16h 58mMultiple Airlines

Mon 4/76:19 pmSDF - LAX

2 stops31h 29mMultiple Airlines

Deal found 3/27

$397

Mon 4/712:40 amLAS - SDF

1 stop6h 23mDelta

Fri 4/116:00 pmSDF - LAS

1 stop7h 25mDelta

Deal found 3/27

$351

Mon 4/712:59 amLAS - SDF

1 stop6h 26mAmerican Airlines

Tue 4/86:16 pmSDF - LAS

1 stop8h 35mAmerican Airlines

Deal found 3/26

$425

Mon 4/712:59 amLAS - SDF

2 stops9h 24mUnited Airlines

Fri 4/117:29 amSDF - LAS

1 stop8h 27mUnited Airlines

Deal found 3/27

$574

One-way flights from California to Louisville
Search for one-way flight options from California to Louisville. Find affordable one-way fares based on user searches. Data last updated March 28, 2025.

Fri 5/97:46 amLAX - SDF

Nonstop4h 10mSpirit Airlines

Deal found 3/28

$57

Thu 6/57:56 pmLAS - SDF

1 stop16h 00mSpirit Airlines

Deal found 3/27

$82

Mon 5/512:35 amLAS - SDF

1 stop6h 28mDelta

Deal found 3/27

$119

Fri 5/3012:29 pmSFO - SDF

Nonstop4h 26mBreeze Airways

Deal found 3/27

$128

Mon 5/510:59 amLAS - SDF

2 stops8h 13mUnited Airlines

Deal found 3/27

$131

Thu 5/84:18 pmBUR - SDF

2 stops15h 44mSpirit Airlines

Deal found 3/27

$136

Tue 4/1512:59 amLAS - SDF

1 stop6h 26mAmerican Airlines

Deal found 3/27

$139

Thu 5/18:45 pmLAS - SDF

1 stop17h 49mMultiple Airlines

Deal found 3/27

$140

Wed 5/712:41 amLAX - SDF

2 stops16h 47mMultiple Airlines

Deal found 3/27

$143

Tue 6/248:05 amLAS - SDF

2 stops27h 25mAllegiant Air

Deal found 3/27

$154

Mon 4/285:02 amSFO - SDF

1 stop11h 27mAmerican Airlines

Deal found 3/27

$157

Thu 4/176:15 amSAN - SDF

2 stops37h 02mSpirit Airlines

Deal found 3/26

$158

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Thu 6/12

8:23 am-7:22 pm

1 stop7h 59m

Louisville Intl

Sun 6/15

6:09 pm-7:35 pm

Nonstop4h 26m

$174

Las VegasLouisville

LAS - SDF

LASSDF

Las Vegas Harry Reid Intl

Mon 5/12

5:35 am-2:56 pm

1 stop6h 21m

Louisville Intl

Mon 5/19

3:51 pm-11:28 pm

1 stop10h 37m

$174

Las VegasLouisville

LAS - SDF

LASSDF

Las Vegas Harry Reid Intl

Thu 4/17

6:05 am-5:19 pm

1 stop8h 14m

Louisville Intl

Mon 4/21

1:18 pm-5:53 pm

1 stop7h 35m

$237

Las VegasLouisville

LAS - SDF

LASSDF

Las Vegas Harry Reid Intl

Wed 4/16

12:59 am-10:25 am

1 stop6h 26m

Louisville Intl

Mon 4/21

3:55 pm-9:19 pm

1 stop8h 24m

$257

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Sun 5/18

11:10 pm-10:55 am

1 stop8h 45m

Louisville Intl

Wed 6/18

9:34 am-12:25 am

2 stops17h 51m

$264

Las VegasLouisville

LAS - SDF

LASSDF

Las Vegas Harry Reid Intl

Thu 4/17

10:10 pm-10:17 pm

1 stop21h 07m

Louisville Intl

Mon 4/21

6:19 pm-11:04 pm

2 stops31h 45m

$267

Santa AnaLouisville

SNA - SDF

SNASDF

Santa Ana J. Wayne/Orange Cnty

Thu 5/8

7:58 pm-2:56 pm

2 stops15h 58m

Louisville Intl

Sun 5/11

8:19 pm-2:21 pm

2 stops21h 02m

$271

BurbankLouisville

BUR - SDF

BURSDF

Burbank Bob Hope

Fri 5/9

7:00 am-2:40 pm

2 stops28h 40m

Louisville Intl

Sun 5/11

8:19 pm-7:41 pm

2 stops26h 22m

$276

San DiegoLouisville

SAN - SDF

SANSDF

San Diego

Fri 4/25

8:29 am-11:47 am

2 stops24h 18m

Louisville Intl

Tue 4/29

5:05 am-12:42 am

2 stops22h 37m

$277

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 5/2

12:29 pm-7:55 pm

Nonstop4h 26m

Louisville Intl

Mon 5/5

9:37 am-11:44 am

Nonstop5h 07m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 60 results

...

Best time to book a flight from California to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from California 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 California to Louisville

What is the cheapest month to book a flight from California to Louisville?

Currently, January is the cheapest month in which you can book a flight from California to Louisville (average of $299). Flying from California to Louisville in April is currently the most expensive (average of $369). 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 CA to SDF?

When flying from California to Louisville, 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 Louisville by month

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

Temperature in Louisville by month

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Louisville

Read through reviews of airlines operating flights from California to Louisville, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.1

Very good

4,274 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines

8.0

Very good

9,798 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,897 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Breeze Airways

8.0

Very good

156 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,603 reviews

Southwest

8.1

Very good

4,274 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What airport do you fly into for flights to Louisville from California?
Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from California to Louisville.
How popular is this California to Louisville flight route?
The California to Louisville Intl flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
What are the cheapest airlines to fly from California to Louisville one-way?
The cheapest airlines for a one-way flight from California to Louisville are Spirit Airlines ($57), Delta ($119), and Breeze Airways ($128).
What are the most popular routes from California to Louisville?
When deciding which route to take from California to Louisville consider Los Angeles - Louisville Intl, Ontario - Louisville Intl or San Francisco - Louisville Intl as they are the most popular.
What are the cheapest flights from California to Louisville?
Looking at all options, your cheapest flight can be booked for $58. While the most popular route (Los Angeles - Louisville Intl) can be booked for $116 on average our data indicates $345 when flying from California to Louisville.
Can I find deals for flights from California to Louisville that include hotel bookings?
Yes. In addition to deals on California to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from California to Louisville?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Louisville.
Can I find deals for business class flights from California to Louisville?
Yes. Cheapflights offers flight deals from California to Louisville 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 California to Louisville?
Currently, January is the cheapest month in which you can book a flight from California to Louisville (average of $299). Flying from California to Louisville in April is currently the most expensive (average of $369). 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

Jeffersonville

Corydon

Elizabethtown

Bardstown

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from California to Louisville

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$74	Average$243	FlexibilityNo cancel fee	On-time65%
Breeze Airways	Cheapest$156	Average$293	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$227	Average$452	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$260	Average$537	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$293	Average$533	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$327	Average$535	FlexibilityNo cancel fee	On-time63%

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$57+ Cheap flights from California to Louisville (SDF)

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from California to Louisville with Cheapflights

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Cheap flight deals from California to Louisville

Keep the following information in mind while searching for California to Louisville flight deals. Data was last updated March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from California to Louisville

Cheapest flights from California to LouisvilleExplore the most affordable flight options available from California to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Explore the most affordable flight options available from California to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from California to Louisville that are best for you.

Best time to book a flight from California to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from California with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from California to Louisville

What is the cheapest month to book a flight from California to Louisville?

What is the cheapest time of day to fly from CA to SDF?

Find hourly flight availability from California to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Rainfall in Louisville by month

Plan your trip to Louisville by taking into account the average rainfall totals by month.

Temperature in Louisville by month

Plan your trip to Louisville by taking into account the average temperature totals by month.

Reviews of airlines servicing Louisville

Read through reviews of airlines operating flights from California to Louisville, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from California to Louisville. 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 Louisville from California?

How popular is this California to Louisville flight route?

What are the cheapest airlines to fly from California to Louisville one-way?

What are the most popular routes from California to Louisville?

What are the cheapest flights from California to Louisville?

Can I find deals for flights from California to Louisville that include hotel bookings?

How can I find direct flights from California to Louisville?

Can I find deals for business class flights from California to Louisville?

What is the cheapest month to book a flight from California to Louisville?

Traveling to a place near California?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for California to Louisville

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from California to Louisville

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Cheapest flights from California to Louisville
Explore the most affordable flight options available from California to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.