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

The number of flights available between Kentucky and San Francisco is 8 per day as of May 2026. The most frequent departure time is 9:00AM, with 100% of daily flights leaving at noon.

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

United Airlines, Frontier, and Southwest are the most popular carriers operating from Kentucky to San Francisco

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

The number of flights available between Kentucky and San Francisco is 59 per week as of May 2026. The most frequent departure day is Fri, with 20% of weekly flights leaving on this day.

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 02m on average. Another popular route from Kentucky to San Francisco is flying from Lexington to San Francisco, which will take roughly 7h 24m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to San Francisco?

American Airlines, Breeze Airways and Delta 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 32% 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.

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 6 operators available for flights from Kentucky to San Francisco Airport as of May 2026.

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.

$99 Cheap Flights from Kentucky to San Francisco in 2026

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Find the cheapest flights from Kentucky to San Francisco

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:47 am - 11:09 am

SDF

SFO

5h 22mnonstop

11:54 am - 7:19 pm

SFO

SDF

4h 25mnonstop

$247Breeze Airways

Mon, Oct 26 - Fri, Oct 30

8:32 pm - 11:36 am

TYS

SFO

18h 04m

1 stop

12:33 pm - 7:36 pm

SFO

TYS

28h 03m

1 stop

$260Frontier

Mon, Aug 10 - Sun, Aug 16

4:59 pm - 7:47 pm

BNA

SFO

4h 48mnonstop

11:59 pm - 6:37 am

SFO

BNA

4h 38mnonstop

$264United Airlines

Fri, Jul 17 - Mon, Jul 20

8:35 am - 4:15 pm

BNA

SFO

9h 40m

2 stops

5:00 am - 2:35 pm

SFO

BNA

7h 35m

2 stops

$267Southwest

Sat, Aug 22 - Sat, Aug 29

6:31 am - 9:20 am

BNA

SFO

4h 49mnonstop

11:59 pm - 6:37 am

SFO

BNA

4h 38mnonstop

$268United Airlines

Sat, Jun 27 - Sat, Jul 4

12:57 pm - 2:58 pm

CVG

SFO

29h 01m

1 stop

11:10 am - 7:48 pm

SFO

CVG

29h 38m

2 stops

$281Multiple Airlines

Thu, Jul 30 - Wed, Aug 5

5:15 pm - 7:55 pm

BNA

SFO

4h 40mnonstop

10:50 pm - 5:10 am

SFO

BNA

4h 20mnonstop

$282Southwest

Thu, Jul 9 - Mon, Jul 13

12:57 pm - 2:58 pm

CVG

SFO

29h 01m

1 stop

7:11 pm - 7:48 pm

SFO

CVG

21h 37m

2 stops

$285Multiple Airlines

Thu, Jul 30 - Tue, Aug 4

10:10 am - 2:57 pm

LEX

SFO

7h 47m

1 stop

5:40 am - 5:21 pm

SFO

LEX

8h 41m

1 stop

$341Delta

Sat, Jun 27 - Tue, Jul 14

1:42 pm - 8:05 pm

TRI

SFO

9h 23m

1 stop

9:56 pm - 9:35 am

SFO

TRI

8h 39m

1 stop

$355Delta

Tue, Jul 14 - Sun, Jul 19

Breeze Airways flights from Kentucky to San Francisco

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

Breeze Airways

Oct 26

SDF8:47 amLouisville Intl

5h 22m

SFO11:09 amSan Francisco

Oct 30

SFO11:54 amSan Francisco

4h 25m

SDF7:19 pmLouisville Intl

$247

Breeze Airways

Oct 26

SDF8:47 amLouisville Intl

5h 22m

SFO11:09 amSan Francisco

Nov 2

SFO11:54 amSan Francisco

4h 25m

SDF7:19 pmLouisville Intl

$267

Breeze Airways

Aug 21

SDF9:31 amLouisville Intl

5h 02m

SFO11:33 amSan Francisco

Aug 24

SFO12:18 pmSan Francisco

4h 30m

SDF7:48 pmLouisville Intl

$272

Southwest flights from Kentucky to San Francisco

Our best Southwest deals on Kentucky to San Francisco flight tickets

Southwest

Aug 22

BNA8:35 amNashville Intl

9h 40m

2 stops

SFO4:15 pmSan Francisco

Aug 29

SFO5:00 amSan Francisco

7h 35m

2 stops

BNA2:35 pmNashville Intl

$267

Southwest

Jul 9

BNA5:15 pmNashville Intl

4h 40m

SFO7:55 pmSan Francisco

Jul 13

SFO10:50 pmSan Francisco

4h 20m

BNA5:10 amNashville Intl

$282

Southwest

Jul 10

BNA5:15 amNashville Intl

6h 15m

1 stop

SFO9:30 amSan Francisco

Jul 11

SFO10:50 pmSan Francisco

4h 20m

BNA5:10 amNashville Intl

$288

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 10/26

8:47 am-11:09 am

Nonstop5h 22m

San Francisco

Fri 10/30

11:54 am-7:19 pm

Nonstop4h 25m

$247

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Mon 8/10

8:32 pm-11:36 am

1 stop18h 04m

San Francisco

Sun 8/16

12:33 pm-7:36 pm

1 stop28h 03m

$260

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Fri 7/17

4:59 pm-7:47 pm

Nonstop4h 48m

San Francisco

Mon 7/20

11:59 pm-6:37 am

Nonstop4h 38m

$264

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 8/22

8:35 am-4:15 pm

2 stops9h 40m

San Francisco

Sat 8/29

5:00 am-2:35 pm

2 stops7h 35m

$267

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 6/27

6:31 am-9:20 am

Nonstop4h 49m

San Francisco

Sat 7/4

11:59 pm-6:37 am

Nonstop4h 38m

$268

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Thu 7/30

12:57 pm-2:58 pm

1 stop29h 01m

San Francisco

Wed 8/5

11:10 am-7:48 pm

2 stops29h 38m

$281

Quickest round-trip

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Thu 7/9

5:15 pm-7:55 pm

Nonstop4h 40m

San Francisco

Mon 7/13

10:50 pm-5:10 am

Nonstop4h 20m

$282

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Thu 7/30

12:57 pm-2:58 pm

1 stop29h 01m

San Francisco

Tue 8/4

7:11 pm-7:48 pm

2 stops21h 37m

$285

LexingtonSan Francisco

LEX - SFO

LEXSFO

Lexington Blue Grass

Sat 6/27

10:10 am-2:57 pm

1 stop7h 47m

San Francisco

Tue 7/14

5:40 am-5:21 pm

1 stop8h 41m

$341

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Tue 7/14

1:42 pm-8:05 pm

1 stop9h 23m

San Francisco

Sun 7/19

9:56 pm-9:35 am

1 stop8h 39m

$355

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 June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $102.

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 Tuesday when prices can be found for as low as $249. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $488.

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 from Kentucky 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 $390 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 $274 on momondo.

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

No. A direct flight is the cheapest option for a flight between Kentucky 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	$219
Fastest flight time	4h 35m
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 $219. The best round-trip flight deal from Kentucky to San Francisco found on momondo in the last 72 hours is $252.

The fastest flight from Kentucky to San Francisco takes 4h 35m

Direct flights go from Kentucky to San Francisco every day.

There is 1 airport in San Francisco. From Kentucky there are direct flights to San Francisco (SFO).

Search flight deals

Frequently asked questions about flying from Kentucky to San Francisco

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 6 operators available for flights from Kentucky to San Francisco Airport as of May 2026.
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 (93.33% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (2.22%), Boeing 737 MAX 9 (2.22%), and Airbus A320-100/200 (2.22%).

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 $149	Free Cancellation	Rating 8.1 284 reviews	Search Breeze Airways flights
Delta	PriceFrom $153	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights
United Airlines	PriceFrom $253	Free Cancellation	Rating 7.4 9,723 reviews	Search United Airlines flights
Southwest	PriceFrom $254	Free Cancellation	Rating 8.0 4,299 reviews	Search Southwest flights
American Airlines	PriceFrom $262	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Walnut Creek

Bodega Bay

Hayward

Roseville

Santa Clara

Berkeley

Fremont

Vallejo

Big Sur

Sunnyvale

Calistoga

South San Francisco

Salinas

Daly City

Milpitas

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.

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Cheap flights from Kentucky to San Francisco from $99

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 8/24. 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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Breeze Airways flights from Kentucky to San Francisco

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

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Our best Southwest deals on Kentucky to San Francisco flight tickets

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

What is the cheapest month to fly to San Francisco?

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

What is the cheapest Kentucky to San Francisco flight route?

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

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

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

What airlines fly to San Francisco?

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

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

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

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Direct flights

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Frequently asked questions about flying 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

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Why use momondo?

An easier way to manage your San Francisco trip

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List of cabin classes available on flights landing in San Francisco. Availability may vary depending on flight origin and airline.

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