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

Breeze Airways, Frontier, and Sun Country Air are the most popular carriers operating from Kentucky to San Francisco

How many flights depart from Kentucky to San Francisco on average per day?

The number of flights available between Kentucky and San Francisco is 2 per day as of July 2025. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

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

The number of flights available between Kentucky and San Francisco is 19 per week as of July 2025. The most frequent departure day is Thu, with 63% of weekly flights leaving on this day.

What airlines fly to San Francisco?

American Airlines, Delta and Breeze Airways are the top three most popular airlines that fly to San Francisco from Kentucky according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Francisco?

Flight times from Kentucky to San Francisco vary, but if you’re flying out of Louisville and flying into San Francisco (one of the most popular routes), then the duration is 5h 07m on average. Another popular route from Kentucky to San Francisco is flying from Lexington to San Francisco, which will take roughly 7h 16m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Kentucky to San Francisco Airport refresh daily.

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

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

How old do you have to be to fly from Kentucky to San Francisco 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 Francisco Airport.

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

The travel and health documents required for your trip to San Francisco 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 Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$89 Cheap Flights from Kentucky to San Francisco in 2025

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Find the cheapest flights from Kentucky to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:43 am - 12:02 pmSDF-SFO

5h 19mnonstop

12:47 pm - 8:12 pmSFO-SDF

4h 25mnonstop

$198Breeze Airways

Find Deal

lun., sep. 8 - vie., sep. 12

9:37 am - 11:44 amSDF-SFO

5h 07mnonstop

12:29 pm - 7:55 pmSFO-SDF

4h 26mnonstop

$208Breeze Airways

Find Deal

vie., ago. 15 - vie., ago. 22

6:12 am - 7:46 amBNA-SFO

27h 34m1 stop

6:00 am - 12:52 amSFO-BNA

16h 52m1 stop

$245Frontier

Find Deal

mié., oct. 15 - mié., oct. 22

8:00 am - 10:30 pmCVG-SFO

17h 30m1 stop

10:49 am - 10:41 pmSFO-CVG

8h 52m1 stop

$245Frontier

Find Deal

sáb., sep. 6 - sáb., sep. 13

7:00 am - 10:30 pmBNA-SFO

17h 30m1 stop

2:10 pm - 5:20 pmSFO-BNA

25h 10m2 stops

$273

Find Deal

sáb., sep. 13 - sáb., sep. 20

6:40 pm - 12:04 amCVG-SFO

8h 24m1 stop

12:50 pm - 8:23 pmSFO-CVG

4h 33mnonstop

$273

Find Deal

jue., sep. 4 - jue., sep. 11

6:41 am - 12:13 pmLEX-SFO

8h 32m1 stop

12:14 pm - 12:26 amSFO-LEX

9h 12m1 stop

$279American Airlines

Find Deal

dom., ago. 31 - mar., sep. 9

3:35 pm - 6:20 pmBNA-SFO

4h 45mnonstop

11:25 am - 5:45 pmSFO-BNA

4h 20mnonstop

$283Southwest

Find Deal

mié., ago. 27 - mié., sep. 3

3:35 pm - 6:20 pmBNA-SFO

4h 45mnonstop

10:10 am - 4:20 pmSFO-BNA

4h 10mnonstop

$291Southwest

Find Deal

mié., ago. 20 - lun., ago. 25

2:42 pm - 11:09 pmSDF-SFO

11h 27m1 stop

11:25 pm - 2:03 pmSFO-SDF

11h 38m1 stop

$293American Airlines

Find Deal

mié., sep. 24 - lun., sep. 29

Breeze Airways flights from Kentucky to San Francisco

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

Breeze Airways

Sep 8

SDF9:43 amLouisville Intl

5h 19m

SFO12:02 pmSan Francisco

Sep 12

SFO12:47 pmSan Francisco

4h 25m

SDF8:12 pmLouisville Intl

$198

Find similar

Breeze Airways

Sep 4

CVG9:44 amCincinnati Cinci./N. Kentucky

5h 21m

SFO12:05 pmSan Francisco

Sep 7

SFO12:50 pmSan Francisco

4h 33m

CVG8:23 pmCincinnati Cinci./N. Kentucky

$208

Find similar

Breeze Airways

Sep 4

CVG9:44 amCincinnati Cinci./N. Kentucky

5h 21m

SFO12:05 pmSan Francisco

Sep 11

SFO12:50 pmSan Francisco

4h 33m

CVG8:23 pmCincinnati Cinci./N. Kentucky

$211

Find similar

Delta flights from Kentucky to San Francisco

Our best Delta deals on Kentucky to San Francisco flight tickets

Delta

Aug 31

LEX6:00 amLexington Blue Grass

9h 57m

1 stop

SFO12:57 pmSan Francisco

Sep 8

SFO11:40 amSan Francisco

7h 56m

1 stop

LEX10:36 pmLexington Blue Grass

$293

Find similar

Delta

Aug 22

TYS6:14 pmKnoxville McGhee Tyson

7h 35m

1 stop

SFO10:49 pmSan Francisco

Aug 27

SFO6:15 amSan Francisco

8h 04m

1 stop

TYS5:19 pmKnoxville McGhee Tyson

$309

Find similar

Delta

Oct 11

SDF10:30 amLouisville Intl

10h 21m

1 stop

SFO5:51 pmSan Francisco

Oct 14

SFO11:41 amSan Francisco

6h 34m

1 stop

SDF9:15 pmLouisville Intl

$311

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

lun. 9/8

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

vie. 9/12

12:47 pm-8:12 pm

Nonstop4h 25m

$198

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

vie. 8/15

9:37 am-11:44 am

Nonstop5h 07m

San Francisco

vie. 8/22

12:29 pm-7:55 pm

Nonstop4h 26m

$208

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

mié. 10/15

6:12 am-7:46 am

1 stop27h 34m

San Francisco

mié. 10/22

6:00 am-12:52 am

1 stop16h 52m

$245

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

sáb. 9/6

8:00 am-10:30 pm

1 stop17h 30m

San Francisco

sáb. 9/13

10:49 am-10:41 pm

1 stop8h 52m

$245

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

sáb. 9/13

7:00 am-10:30 pm

1 stop17h 30m

San Francisco

sáb. 9/20

2:10 pm-5:20 pm

2 stops25h 10m

$273

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

jue. 9/4

6:40 pm-12:04 am

1 stop8h 24m

San Francisco

jue. 9/11

12:50 pm-8:23 pm

Nonstop4h 33m

$273

LexingtonSan Francisco

LEX - SFO

LEXSFO

Lexington Blue Grass

dom. 8/31

6:41 am-12:13 pm

1 stop8h 32m

San Francisco

mar. 9/9

12:14 pm-12:26 am

1 stop9h 12m

$279

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

mié. 8/27

3:35 pm-6:20 pm

Nonstop4h 45m

San Francisco

mié. 9/3

11:25 am-5:45 pm

Nonstop4h 20m

$283

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

mié. 8/20

3:35 pm-6:20 pm

Nonstop4h 45m

San Francisco

lun. 8/25

10:10 am-4:20 pm

Nonstop4h 10m

$291

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

mié. 9/24

2:42 pm-11:09 pm

1 stop11h 27m

San Francisco

lun. 9/29

11:25 pm-2:03 pm

1 stop11h 38m

$293

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 Francisco

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 Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $282.

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

The cheapest day to depart from Kentucky to San Francisco is on a Monday when prices can be found for as low as $244. The most expensive day to fly to San Francisco is Thursday, with ticket prices averaging around $312.

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

Our data shows that the cheapest Kentucky to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $255. Flights in the evening are often more expensive with an average ticket price of $423.

What is the cheapest Kentucky to San Francisco flight route?

Fly from Louisville Intl to San Francisco for the best Kentucky - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $366 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Kentucky for as low as $297 on momondo.

What cabin class options are available on Kentucky to San Francisco flights?

There are 1 cabin classes available to choose from on Kentucky to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kentucky to San Francisco flights?

You could potentially save up to 43% on your flight if you consider stops on a Kentucky to San Francisco flight.

Cheap Kentucky to San Francisco flight deals and tips

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

Best Price Found	$89
Fastest flight time	4h 45m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Kentucky in the past 72 hours is $89. The best round-trip flight deal from Kentucky to San Francisco found on momondo in the last 72 hours is $198.

The fastest flight from Kentucky to San Francisco takes 4h 45m

Direct flights go from Kentucky to San Francisco every day.

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

When did momondo last update prices for flights from Kentucky to San Francisco Airport?
Prices for flights from Kentucky to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Kentucky to San Francisco Airport?
There are 8 operators available for flights from Kentucky to San Francisco Airport as of July 2025.
How old do you have to be to fly from Kentucky to San Francisco 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 Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco 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 Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Kentucky to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Kentucky to San Francisco is Airbus A220-300 (94.38% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (2.25%), Airbus A319 (1.12%), and Boeing 737 MAX 9 (1.12%).

Best airlines flying from Kentucky to San Francisco

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

Airline	Rating	Free Cancellation	Price
Breeze Airways	PriceFrom $158	Free Cancellation	Rating 8.0 191 reviews	Search Breeze Airways flights
Delta	PriceFrom $222	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Southwest	PriceFrom $254	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
United Airlines	PriceFrom $258	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
American Airlines	PriceFrom $262	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Calistoga

Hayward

Bodega Bay

Sonoma

Roseville

Santa Clara

Big Sur

Daly City

Berkeley

Walnut Creek

Fremont

Half Moon Bay

South San Francisco

Redwood City

Vallejo

Sunnyvale

Pacific Grove

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Kentucky.

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

momondo does allow users to show only those flights to San Francisco from Kentucky which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Kentucky. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Kentucky to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco 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 Las Vegasfrom $35

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Flights to Denverfrom $49

Fly to other destinations from Kentucky

Flights from Louisville Intl to Savannah/Hilton Head

Flights from Lexington Blue Grass to Fort Lauderdale

Flights from Louisville Intl to Myrtle Beach Intl

Flights from Lexington Blue Grass to Myrtle Beach Intl

Flights from Louisville Intl to Sarasota Bradenton Intl

Flights from Louisville Intl to Charleston

Cheap flights from Kentucky to San Francisco from $89

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 Francisco departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from Kentucky to San Francisco

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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Breeze Airways flights from Kentucky to San Francisco

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

Delta flights from Kentucky to San Francisco

Our best Delta deals on Kentucky to San Francisco flight tickets

momondo Fare Finder

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

See travel insights to San Francisco from

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

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 Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $282.

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

The cheapest day to depart from Kentucky to San Francisco is on a Monday when prices can be found for as low as $244. The most expensive day to fly to San Francisco is Thursday, with ticket prices averaging around $312.

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

Our data shows that the cheapest Kentucky to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $255. Flights in the evening are often more expensive with an average ticket price of $423.

What is the cheapest Kentucky to San Francisco flight route?

Fly from Louisville Intl to San Francisco for the best Kentucky - San Francisco flight prices

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

What cabin class options are available on Kentucky to San Francisco flights?

There are 1 cabin classes available to choose from on Kentucky to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kentucky to San Francisco flights?

You could potentially save up to 43% on your flight if you consider stops on a Kentucky to San Francisco flight.

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

Breeze Airways, Frontier, and Sun Country Air are the most popular carriers operating from Kentucky to San Francisco

What airlines fly to San Francisco?

How many flights depart from Kentucky to San Francisco on average per day?

The number of flights available between Kentucky and San Francisco is 2 per day as of July 2025. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

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

The number of flights available between Kentucky and San Francisco is 19 per week as of July 2025. The most frequent departure day is Thu, with 63% of weekly flights leaving on this day.

How long does it take to fly to San Francisco?

Cheap Kentucky to San Francisco flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

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

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

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

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

What is the most popular plane model from Kentucky to San Francisco?

Best airlines flying from Kentucky to San Francisco

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

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco 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