HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$47+ Cheap flights from Kentucky to San Francisco (SFO)

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kentucky to San Francisco with Cheapflights

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”

2. Select your favorite providers

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.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kentucky to San Francisco

Keep the following information in mind while searching for Kentucky to San Francisco flight deals. Data was last updated January 19, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$219
(Kiwi.com)

One-way from

$47
(Expedia)

Popular in

April

Cheapest in

September

Average price

$397

Good round-trip deal

$298 or less
Provider with most accurate pricing for Louisville Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-San Francisco flights.
Search Deals
From Kentucky to San Francisco
Search Deals
One-way flight from Kentucky to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Kentucky to San Francisco.
Search Deals

Find flight deals from Kentucky to San Francisco

Cheapest flights from Kentucky to San Francisco
Explore the most affordable flight options available from Kentucky to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 19, 2026.

This Expedia deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/168:13 pm
TYS
-
SFO
1 stop28h 48m
Frontier
Mon 2/236:15 am
SFO
-
TYS
1 stop10h 03m
Frontier
Deal found 1/19$209
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/148:30 am
BNA
-
SFO
2 stops27h 26m
Multiple Airlines
Sat 2/217:15 pm
SFO
-
BNA
1 stop7h 53m
Multiple Airlines
Deal found 1/18$219
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/268:45 pm
BNA
-
SFO
1 stop13h 03m
Multiple Airlines
Sun 3/17:19 pm
SFO
-
BNA
1 stop21h 47m
Multiple Airlines
Deal found 1/18$221
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:30 am
BNA
-
SFO
2 stops15h 09m
Multiple Airlines
Wed 2/257:15 pm
SFO
-
BNA
1 stop7h 53m
Multiple Airlines
Deal found 1/17$223
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/166:19 pm
BNA
-
SFO
2 stops29h 42m
Multiple Airlines
Mon 2/232:25 pm
SFO
-
BNA
1 stop12h 43m
Multiple Airlines
Deal found 1/19$224
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:45 pm
BNA
-
SFO
1 stop24h 36m
Multiple Airlines
Tue 3/37:15 pm
SFO
-
BNA
1 stop7h 53m
Multiple Airlines
Deal found 1/17$225
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:45 pm
BNA
-
SFO
1 stop13h 03m
Multiple Airlines
Sun 3/19:16 pm
SFO
-
BNA
2 stops17h 33m
Multiple Airlines
Deal found 1/17$228
This Kiwi.com deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:30 am
BNA
-
SFO
2 stops15h 09m
Multiple Airlines
Fri 2/2710:28 am
SFO
-
BNA
1 stop8h 07m
Multiple Airlines
Deal found 1/17$229
This Kiwi.com deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/128:41 pm
BNA
-
SFO
1 stop13h 17m
Multiple Airlines
Tue 3/1710:14 pm
SFO
-
BNA
1 stop29h 01m
Multiple Airlines
Deal found 1/18$230
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:41 pm
BNA
-
SFO
1 stop26h 38m
Multiple Airlines
Sat 4/48:26 pm
SFO
-
BNA
1 stop6h 49m
Multiple Airlines
Deal found 1/19$231
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:41 pm
BNA
-
SFO
1 stop26h 38m
Multiple Airlines
Tue 4/76:29 pm
SFO
-
BNA
1 stop8h 46m
Multiple Airlines
Deal found 1/19$232
This Kiwi.com deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/173:01 pm
BNA
-
SFO
1 stop11h 28m
Multiple Airlines
Fri 4/310:50 pm
SFO
-
BNA
1 stop28h 25m
Multiple Airlines
Deal found 1/19$233

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 19, 2026.
Use the filters below to find and compare flights from Kentucky to San Francisco that are best for you.

Fly from

Kentucky

Fly to

San Francisco

Route

Depart

Return

Price

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Thu 3/5

7:20 am-7:14 pm

2 stops38h 54m

San Francisco

Tue 3/10

10:14 pm-7:03 pm

1 stop17h 49m

$288

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Thu 3/12

6:30 am-2:04 pm

1 stop10h 34m

San Francisco

Wed 3/18

10:40 pm-9:39 am

1 stop7h 59m

$290

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 2/25

6:35 am-1:48 pm

1 stop10h 13m

San Francisco

Mon 3/2

5:55 am-7:02 pm

1 stop10h 07m

$290

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Sat 2/7

6:13 am-11:33 am

1 stop8h 20m

San Francisco

Sun 2/8

6:00 am-7:04 pm

1 stop10h 04m

$290

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Thu 3/12

6:30 am-2:04 pm

1 stop10h 34m

San Francisco

Mon 3/23

6:00 am-7:04 pm

1 stop10h 04m

$303

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Fri 2/13

8:12 pm-8:03 am

1 stop14h 51m

San Francisco

Tue 2/17

7:15 pm-5:22 pm

2 stops43h 07m

$304

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Tue 3/10

5:30 am-10:41 am

1 stop8h 11m

San Francisco

Mon 3/23

12:25 am-10:43 am

1 stop7h 18m

$309

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Thu 3/12

7:17 pm-12:35 am

1 stop8h 18m

San Francisco

Tue 3/17

11:35 pm-9:50 am

1 stop7h 15m

$309

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Tue 2/17

7:13 pm-11:49 pm

1 stop7h 36m

San Francisco

Tue 2/24

10:00 pm-9:32 am

1 stop8h 32m

$309

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Tue 2/17

3:26 pm-10:20 pm

1 stop9h 54m

San Francisco

Mon 2/23

12:30 am-2:59 pm

2 stops11h 29m

$314

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Kentucky to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kentucky 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 Kentucky to San Francisco

What is the cheapest month to book a flight from Kentucky to San Francisco?

Currently, September is the cheapest month in which you can book a flight from Kentucky to San Francisco (average of $114). Flying from Kentucky to San Francisco in March is currently the most expensive (average of $308). 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.

Related info for your journey

Find useful and relevant information for your journey from Kentucky to San Francisco. 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 San Francisco from Kentucky?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Kentucky. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • How popular is this Kentucky to San Francisco flight route?

    Within the past month, 1 users have taken a look at flights from Kentucky to San Francisco.

  • How long is the flight from Kentucky to San Francisco?

    Airlines like Delta, American Airlines, and JetBlue fly from Kentucky to San Francisco in about 8h 11m. The time it takes to get you to your destination can typically vary by up to 2h 23m. Kentucky and San Francisco are separated by a distance of 2187 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kentucky to San Francisco one-way?

    $108 is the cheapest one-way deal found within the past few days, from Breeze Airways. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $149 and $159, respectively.

  • What are the most popular routes from Kentucky to San Francisco?

    When deciding which route to take from Kentucky to San Francisco consider Nashville Intl - San Francisco, Cincinnati Cinci./N. Kentucky - San Francisco or Louisville Intl - San Francisco as they are the most popular.

  • What are the cheapest flights from Kentucky to San Francisco?

    Looking for the cheapest flight from Kentucky to San Francisco? While on average our users pay $397, our data indicates the cheapest price to be $179. The most popular route (Nashville Intl - San Francisco), is priced around $166.

  • Can I find deals for flights from Kentucky to San Francisco that include hotel bookings?

    Yes. In addition to deals on Kentucky to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to San Francisco?

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

  • Can I find deals for business class flights from Kentucky to San Francisco?

    Yes. Cheapflights offers flight deals from Kentucky to San Francisco 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 Kentucky to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Kentucky to San Francisco (average of $114). Flying from Kentucky to San Francisco in March is currently the most expensive (average of $308). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Roseville
Santa Clara
Livermore
Watsonville
San Bruno
Daly City
Sunnyvale
Vacaville
Turlock
San Carlos
San Ramon
Manteca
Vallejo
San Lorenzo
Davis
Hollister
Redwood City
Union City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kentucky to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Los Angeles flights
Newark to Las Vegas flights
John F Kennedy Intl to Las Vegas flights
O'Hare Intl to Las Vegas flights
Seattle to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
Seattle to Los Angeles flights
San Francisco to Las Vegas flights
Newark to Los Angeles flights
John F Kennedy Intl to San Francisco flights
Dulles Intl to Las Vegas flights
Minneapolis to Las Vegas flights
Newark to San Francisco flights
Atlanta to Las Vegas flights
Dallas/Fort Worth to Los Angeles flights
O'Hare Intl to Los Angeles flights
Los Angeles to San Francisco flights
Los Angeles to Las Vegas flights
Boston to Las Vegas flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
Denver to Las Vegas flights
San Francisco to Los Angeles flights
Baltimore to Las Vegas flights
Reagan-National to Los Angeles flights
Seattle to San Diego flights
Reagan-National to Las Vegas flights
Burbank to Las Vegas flights
Dallas/Fort Worth to San Francisco flights
O'Hare Intl to San Francisco flights
Baltimore to Los Angeles flights
Hobby to Los Angeles flights
Orlando to Las Vegas flights
Boston to San Francisco flights
Boston to Los Angeles flights
Cleveland to Las Vegas flights
Hobby to Las Vegas flights
Santa Ana to Las Vegas flights
Ontario to San Francisco flights
Detroit to Las Vegas flights
Austin to Las Vegas flights
Atlanta to Los Angeles flights
Seattle to Ontario flights
San Francisco to Santa Ana flights
San Francisco to Ontario flights
Philadelphia to Las Vegas flights
Seattle to Santa Ana flights
Santa Ana to San Francisco flights
Portland to Los Angeles flights
LaGuardia to San Francisco flights

Top 5 airlines flying from Kentucky to San Francisco

Discover the top 5 airlines that operate flights from Kentucky to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$129Average$268FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$142Average$408FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$473FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$417FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$500FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.