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$76+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 29, 2026.

This Frontier deal was found by Cheapflights users on 1/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/28:13 pm
TYS
-
SFO
1 stop7h 15m
Frontier
Mon 3/96:00 am
SFO
-
TYS
1 stop6h 25m
Frontier
Deal found 1/28$193
This Expedia deal was found by Cheapflights users on 1/28. 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 2/238:13 pm
TYS
-
SFO
1 stop28h 48m
Frontier
Fri 2/278:48 am
SFO
-
TYS
1 stop6h 18m
Frontier
Deal found 1/28$229
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/58:45 pm
BNA
-
SFO
1 stop13h 13m
Multiple Airlines
Sat 3/710:38 pm
SFO
-
BNA
2 stops29h 47m
Multiple Airlines
Deal found 1/28$231
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/266:15 am
BNA
-
SFO
2 stops17h 24m
Multiple Airlines
Thu 3/58:43 am
SFO
-
BNA
1 stop18h 25m
Multiple Airlines
Deal found 1/27$232
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 2/188:45 pm
BNA
-
SFO
1 stop13h 03m
Multiple Airlines
Sun 2/2210:46 pm
SFO
-
BNA
2 stops43h 02m
Multiple Airlines
Deal found 1/29$234
This Frontier deal was found by Cheapflights users on 1/27. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:09 pm
BNA
-
SFO
1 stop12h 22m
Frontier
Sun 4/1911:16 pm
SFO
-
BNA
1 stop9h 58m
Frontier
Deal found 1/27$235
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Fri 2/208:45 pm
BNA
-
SFO
1 stop16h 05m
Multiple Airlines
Fri 2/276:15 am
SFO
-
BNA
1 stop10h 29m
Multiple Airlines
Deal found 1/28$236
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/28:13 pm
TYS
-
SFO
1 stop28h 48m
Multiple Airlines
Tue 3/107:32 pm
SFO
-
TYS
1 stop20h 31m
Multiple Airlines
Deal found 1/28$242
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 3/118:45 pm
BNA
-
SFO
2 stops26h 53m
Multiple Airlines
Wed 3/187:32 pm
SFO
-
BNA
1 stop7h 43m
Multiple Airlines
Deal found 1/27$242
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/2210:08 pm
LEX
-
SFO
1 stop13h 00m
Multiple Airlines
Wed 2/257:15 pm
SFO
-
LEX
1 stop23h 08m
Multiple Airlines
Deal found 1/27$245
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Fri 3/208:41 pm
BNA
-
SFO
1 stop23h 56m
Multiple Airlines
Mon 3/3010:48 pm
SFO
-
BNA
2 stops13h 28m
Multiple Airlines
Deal found 1/26$246
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/48:43 pm
BNA
-
SFO
1 stop21h 13m
Multiple Airlines
Sun 2/89:32 pm
SFO
-
BNA
1 stop29h 51m
Multiple Airlines
Deal found 1/26$248

Find 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$193
(Frontier)

One-way from

$76
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$397

Good round-trip deal

$288 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 ($38 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

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 29, 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

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Wed 2/18

8:45 pm-7:48 am

1 stop13h 03m

San Francisco

Sun 2/22

10:46 pm-7:48 pm

2 stops43h 02m

$234

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Thu 2/26

7:35 pm-12:28 am

1 stop6h 53m

San Francisco

Mon 3/2

6:15 am-6:50 pm

1 stop10h 35m

$252

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Sun 2/15

1:07 pm-9:39 pm

1 stop11h 32m

San Francisco

Thu 2/19

8:05 am-5:32 pm

2 stops30h 27m

$275

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 2/25

6:30 pm-10:20 pm

1 stop6h 50m

San Francisco

Tue 3/3

6:05 am-7:40 pm

2 stops10h 35m

$282

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Wed 3/4

7:00 am-3:48 pm

1 stop10h 48m

San Francisco

Wed 3/11

8:42 am-11:59 pm

1 stop13h 17m

$291

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Tue 4/7

8:30 am-1:27 pm

1 stop7h 57m

San Francisco

Mon 4/13

11:52 pm-9:19 am

1 stop6h 27m

$297

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 2/11

6:50 am-1:39 pm

1 stop9h 49m

San Francisco

Wed 2/18

5:10 am-2:15 pm

1 stop6h 05m

$298

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 2/25

8:09 am-3:48 pm

1 stop10h 39m

San Francisco

Mon 3/2

9:32 pm-8:39 pm

2 stops20h 07m

$305

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 6/8

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Fri 6/12

12:18 pm-7:48 pm

Nonstop4h 30m

$308

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Tue 4/7

3:53 pm-8:28 pm

1 stop7h 35m

San Francisco

Mon 4/20

9:35 pm-9:19 am

1 stop8h 44m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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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.

How much does it cost to fly round-trip from Kentucky to San Francisco?

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 Frontier, Southwest, and Alaska Airlines fly from Kentucky to San Francisco in about 6h 50m. The time it takes to get you to your destination can typically vary by up to 3h 58m. Kentucky and San Francisco are separated by a distance of 2030 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 $338, our data indicates the cheapest price to be $258. The most popular route (Nashville Intl - San Francisco), is priced around $159.

  • 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
Turlock
Vacaville
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

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Alternative routes for Kentucky to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$138Average$270FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$142Average$410FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$466FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$494FlexibilityNo cancel feeOn-time69%

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