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 22m on average. Another popular route from Kentucky to San Francisco is flying from Lexington to San Francisco, which will take roughly 7h 41m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to San Francisco?

Breeze Airways, Delta and American Airlines are the top three most popular airlines that fly to San Francisco from Kentucky according to our data. Breeze Airways is the first choice among our users, with 28% 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.

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

Breeze Airways, United Airlines, and Delta are the most popular carriers operating 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 5 operators available for flights from Kentucky to San Francisco Airport as of October 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.

$89 Cheap Flights from Kentucky to San Francisco in 2026/27

Discover deals from 900+ travel sites with momondo.

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 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

11:54 am - 7:19 pmSFO San Francisco-SDF Louisville Intl

4h 25mnonstop

$177Breeze Airways

Fri, Dec 11 - Mon, Dec 14

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

11:54 am - 7:19 pmSFO San Francisco-SDF Louisville Intl

4h 25mnonstop

$177Breeze Airways

Fri, Dec 4 - Mon, Dec 14

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

10:34 am - 4:32 pmSFO San Francisco-SDF Louisville Intl

26h 58m3 stops Denver Intl Atlanta Hartsfield-Jackson Raleigh-Durham

$228Multiple Airlines

Fri, Dec 4 - Tue, Dec 8

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

10:34 am - 4:32 pmSFO San Francisco-SDF Louisville Intl

26h 58m3 stops Denver Intl Atlanta Hartsfield-Jackson Raleigh-Durham

$228Multiple Airlines

Mon, Dec 7 - Tue, Dec 8

3:24 pm - 7:11 pmSDF Louisville Intl-SFO San Francisco

6h 47m1 stop Denver Intl

5:00 am - 2:22 pmSFO San Francisco-SDF Louisville Intl

6h 22m1 stop Denver Intl

$318United Airlines

Fri, Nov 6 - Mon, Nov 9

3:12 pm - 9:44 pmSDF Louisville Intl-SFO San Francisco

9h 32m1 stop Atlanta Hartsfield-Jackson

10:59 pm - 9:08 amSFO San Francisco-SDF Louisville Intl

7h 09m1 stop Atlanta Hartsfield-Jackson

$319Delta

Fri, Dec 4 - Mon, Dec 7

5:33 pm - 10:38 pmSDF Louisville Intl-SFO San Francisco

8h 05m1 stop Detroit Metropolitan Wayne County

9:42 pm - 9:06 amSFO San Francisco-SDF Louisville Intl

8h 24m1 stop Atlanta Hartsfield-Jackson

$319Delta

Fri, Nov 6 - Mon, Nov 9

10:27 am - 3:35 pmSDF Louisville Intl-SFO San Francisco

8h 08m1 stop Chicago O'Hare Intl

5:00 am - 2:22 pmSFO San Francisco-SDF Louisville Intl

6h 22m1 stop Denver Intl

$322United Airlines

Thu, Nov 5 - Mon, Nov 9

5:04 am - 12:27 pmSDF Louisville Intl-SFO San Francisco

10h 23m1 stop Charlotte Douglas

11:39 pm - 9:38 amSFO San Francisco-SDF Louisville Intl

6h 59m1 stop Chicago O'Hare Intl

$327American Airlines

Fri, Oct 30 - Fri, Nov 6

5:04 am - 9:51 amSDF Louisville Intl-SFO San Francisco

7h 47m1 stop Charlotte Douglas

8:50 am - 7:28 pmSFO San Francisco-SDF Louisville Intl

7h 38m1 stop Charlotte Douglas

$327American Airlines

Fri, Oct 23 - Fri, Oct 30

Cheap last minute flights

Enter your travel dates to find the best prices.

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

11:54 am - 7:19 pmSFO San Francisco-SDF Louisville Intl

4h 25mnonstop

$445Breeze Airways

Mon, Oct 5 - Mon, Oct 12

6:00 am - 11:25 amLEX Lexington Blue Grass-SFO San Francisco

8h 25m1 stop Chicago O'Hare Intl

11:30 pm - 9:28 amSFO San Francisco-LEX Lexington Blue Grass

6h 58m1 stop Chicago O'Hare Intl

$463United Airlines

Tue, Oct 6 - Tue, Oct 13

3:26 pm - 9:55 pmSDF Louisville Intl-SFO San Francisco

9h 29m1 stop Atlanta Hartsfield-Jackson

9:25 pm - 8:57 amSFO San Francisco-SDF Louisville Intl

8h 32m1 stop Atlanta Hartsfield-Jackson

$464Delta

Tue, Oct 6 - Tue, Oct 13

5:57 pm - 11:56 pmSDF Louisville Intl-SFO San Francisco

8h 59m1 stop Atlanta Hartsfield-Jackson

9:25 pm - 8:57 amSFO San Francisco-SDF Louisville Intl

8h 32m1 stop Atlanta Hartsfield-Jackson

$464Delta

Wed, Oct 7 - Mon, Oct 19

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

11:59 pm - 8:31 pmSFO San Francisco-SDF Louisville Intl

41h 32m3 stops Dallas/Fort Worth Orlando Raleigh-Durham

$471Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

11:54 am - 7:19 pmSFO San Francisco-SDF Louisville Intl

4h 25mnonstop

$486Breeze Airways

Mon, Oct 5 - Fri, Oct 9

5:29 am - 11:25 amLEX Lexington Blue Grass-SFO San Francisco

8h 56m1 stop Chicago O'Hare Intl

8:00 am - 5:48 pmSFO San Francisco-LEX Lexington Blue Grass

6h 48m1 stop Dallas/Fort Worth

$521American Airlines

Thu, Oct 8 - Tue, Oct 20

8:47 am - 11:09 amSDF Louisville Intl-SFO San Francisco

5h 22mnonstop

12:00 pm - 10:59 amSFO San Francisco-SDF Louisville Intl

43h 59m2 stops Denver Intl New Orleans Louis Armstrong

$526Multiple Airlines

Mon, Oct 5 - Sat, Oct 10

6:58 pm - 12:30 amLEX Lexington Blue Grass-SFO San Francisco

8h 32m1 stop Chicago O'Hare Intl

5:00 am - 5:25 pmSFO San Francisco-LEX Lexington Blue Grass

9h 25m1 stop Charlotte Douglas

$529American Airlines

Thu, Oct 8 - Mon, Oct 19

5:15 am - 10:30 amSDF Louisville Intl-SFO San Francisco

8h 15m1 stop Chicago O'Hare Intl

12:35 am - 1:15 pmSFO San Francisco-SDF Louisville Intl

9h 40m1 stop Chicago O'Hare Intl

$584United Airlines

Tue, Oct 6 - Sat, Oct 17

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Breeze Airways flights from Kentucky to San Francisco

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

Breeze Airways

Dec 11

SDF8:47 amLouisville Intl

5h 22m

SFO11:09 amSan Francisco

Dec 14

SFO11:54 amSan Francisco

4h 25m

SDF7:19 pmLouisville Intl

$177

Breeze Airways

Dec 4

SDF8:47 amLouisville Intl

5h 22m

SFO11:09 amSan Francisco

Dec 7

SFO11:54 amSan Francisco

4h 25m

SDF7:19 pmLouisville Intl

$178

Breeze Airways

Nov 2

SDF8:47 amLouisville Intl

5h 22m

SFO11:09 amSan Francisco

Nov 9

SFO11:54 amSan Francisco

4h 25m

SDF7:19 pmLouisville Intl

$216

Delta flights from Kentucky to San Francisco

Our best Delta deals on Kentucky to San Francisco flight tickets

Delta

Oct 16

SDF5:59 pmLouisville Intl

8h 57m

1 stop

SFO11:56 pmSan Francisco

Oct 19

SFO2:00 pmSan Francisco

6h 59m

1 stop

SDF11:59 pmLouisville Intl

$327

Delta

Mar 20

LEX5:55 pmLexington Blue Grass

7h 56m

1 stop

SFO10:51 pmSan Francisco

Mar 23

SFO10:45 pmSan Francisco

8h 35m

1 stop

LEX10:20 amLexington Blue Grass

$371

Delta

Mar 20

LEX5:55 pmLexington Blue Grass

7h 56m

1 stop

SFO10:51 pmSan Francisco

Mar 26

SFO9:30 pmSan Francisco

8h 56m

1 stop

LEX9:26 amLexington Blue Grass

$425

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 12/11

8:47 am-11:09 am

Nonstop5h 22m

San Francisco

Mon 12/14

11:54 am-7:19 pm

Nonstop4h 25m

$177

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 12/4

8:47 am-11:09 am

Nonstop5h 22m

San Francisco

Mon 12/14

11:54 am-7:19 pm

Nonstop4h 25m

$177

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 12/4

8:47 am-11:09 am

Nonstop5h 22m

San Francisco

Tue 12/8

10:34 am-4:32 pm

3 stops26h 58m

$228

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Mon 12/7

8:47 am-11:09 am

Nonstop5h 22m

San Francisco

Tue 12/8

10:34 am-4:32 pm

3 stops26h 58m

$228

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 11/6

3:24 pm-7:11 pm

1 stop6h 47m

San Francisco

Mon 11/9

5:00 am-2:22 pm

1 stop6h 22m

$318

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 12/4

3:12 pm-9:44 pm

1 stop9h 32m

San Francisco

Mon 12/7

10:59 pm-9:08 am

1 stop7h 09m

$319

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 11/6

5:33 pm-10:38 pm

1 stop8h 05m

San Francisco

Mon 11/9

9:42 pm-9:06 am

1 stop8h 24m

$319

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Thu 11/5

10:27 am-3:35 pm

1 stop8h 08m

San Francisco

Mon 11/9

5:00 am-2:22 pm

1 stop6h 22m

$322

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 10/30

5:04 am-12:27 pm

1 stop10h 23m

San Francisco

Fri 11/6

11:39 pm-9:38 am

1 stop6h 59m

$327

LouisvilleSan Francisco

SDF Louisville Intl - SFO San Francisco

SDFSFO

Louisville Intl

Fri 10/23

5:04 am-9:51 am

1 stop7h 47m

San Francisco

Fri 10/30

8:50 am-7:28 pm

1 stop7h 38m

$327

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 October is also cheap. Prices for this month can be found on momondo for an average of $368.

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 Wednesday when prices can be found for as low as $218. 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 $414 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 $323 on momondo.

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

There are 2 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?

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	$89
Fastest flight time	4h 48m
Direct flights	Tue and Sat
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 $177.

The fastest flight from Kentucky to San Francisco takes 4h 48m

Direct flights go from Kentucky to San Francisco on Tuesday and Saturday. The only airline offering direct flights is Breeze Airways.

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 5 operators available for flights from Kentucky to San Francisco Airport as of October 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 (97.96% of total bookings). The next most popular plane model is Airbus A320-100/200 (2.04%).

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 $143	Free Cancellation	Rating 8.2 324 reviews	Search Breeze Airways flights
Delta	PriceFrom $184	Free Cancellation	Rating 7.8 8,621 reviews	Search Delta flights
United Airlines	PriceFrom $249	Free Cancellation	Rating 7.4 10,276 reviews	Search United Airlines flights
Southwest	PriceFrom $306	Free Cancellation	Rating 8.0 4,212 reviews	Search Southwest flights
American Airlines	PriceFrom $306	Free Cancellation	Rating 7.0 12,111 reviews	Search American Airlines flights

Santa Cruz

Carmel-by-the-Sea

Modesto

South San Francisco

Hayward

Berkeley

Bodega Bay

Fremont

Walnut Creek

Santa Clara

Sunnyvale

Vallejo

Half Moon Bay

Roseville

Salinas

Sonoma

Milpitas

Daly City

Pacific Grove

Palo Alto

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 $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 12/4. 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

Delta flights from Kentucky to San Francisco

Our best Delta deals on Kentucky to San Francisco flight tickets

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

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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?

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

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 long does it take to fly to San Francisco?

Cheap Kentucky to San Francisco flight deals and tips

Best Price Found

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Direct flights

Airports in San Francisco

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

Traveling to a place near San Francisco?

Why use momondo?

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

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Find better results for your trip to the United States

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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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