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$60+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Feb 9 — Feb 161
Mon 2/9
Mon 2/16
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 10, 2026.

This Frontier deal was found by Cheapflights users on 1/8. 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 2/24:30 pmTYS - SFO
1 stop10h 58mFrontier
Fri 2/66:15 amSFO - TYS
1 stop6h 15mFrontier
Deal found 1/8$190
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 1/292:07 pmLEX - SFO
1 stop8h 21mMultiple Airlines
Wed 2/42:08 pmSFO - LEX
1 stop20h 09mMultiple Airlines
Deal found 1/8$210
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 3/86:57 pmBNA - SFO
1 stop22h 29mMultiple Airlines
Sun 3/159:33 pmSFO - BNA
1 stop29h 21mMultiple Airlines
Deal found 1/9$231
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 3/29:46 pmLEX - SFO
2 stops26h 53mMultiple Airlines
Thu 3/510:48 amSFO - LEX
1 stop7h 31mMultiple Airlines
Deal found 1/9$234
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/137:29 pmBNA - SFO
1 stop14h 34mFrontier
Sat 2/1411:00 pmSFO - BNA
2 stops13h 50mFrontier
Deal found 1/7$235
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/58:43 pmBNA - SFO
2 stops16h 39mMultiple Airlines
Sun 2/810:48 amSFO - BNA
1 stop16h 35mMultiple Airlines
Deal found 1/8$236
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 2/68:43 pmBNA - SFO
1 stop15h 25mMultiple Airlines
Mon 2/92:49 pmSFO - BNA
2 stops12h 34mMultiple Airlines
Deal found 1/8$237
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 1/227:37 pmBNA - SFO
1 stop30h 51mMultiple Airlines
Sat 1/244:46 pmSFO - BNA
1 stop10h 37mMultiple Airlines
Deal found 1/7$238
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/137:29 pmBNA - SFO
1 stop14h 34mMultiple Airlines
Sat 2/147:15 pmSFO - BNA
1 stop7h 53mMultiple Airlines
Deal found 1/7$239
This Kiwi.com deal was found by Cheapflights users on 1/9. 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 1/237:37 pmBNA - SFO
1 stop30h 04mMultiple Airlines
Mon 1/2610:48 amSFO - BNA
2 stops16h 35mMultiple Airlines
Deal found 1/9$240
This Kiwi.com deal was found by Cheapflights users on 1/8. 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 pmBNA - SFO
1 stop18h 45mMultiple Airlines
Thu 2/2610:48 amSFO - BNA
1 stop16h 20mMultiple Airlines
Deal found 1/8$241
This Kiwi.com deal was found by Cheapflights users on 1/7. 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 2/128:45 pmBNA - SFO
1 stop13h 03mMultiple Airlines
Wed 2/1810:58 pmSFO - BNA
2 stops19h 08mMultiple Airlines
Deal found 1/7$242

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 10, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$190
(Frontier)

One-way from

$60
(Trip.com)

Popular in

April

Cheapest in

September

Average price

$395

Good round-trip deal

$360 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 ($6 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 10, 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

Mon 2/2

4:30 pm-12:28 am

1 stop10h 58m

San Francisco

Fri 2/6

6:15 am-3:30 pm

1 stop6h 15m

$190

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 2/14

7:35 am-10:41 pm

1 stop17h 06m

San Francisco

Sun 2/15

5:55 am-12:06 am

1 stop16h 11m

$243

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Tue 3/31

7:40 am-3:15 pm

2 stops9h 35m

San Francisco

Tue 3/31

10:55 pm-5:10 am

Nonstop4h 15m

$243

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 2/4

11:40 am-5:50 pm

1 stop9h 10m

San Francisco

Tue 2/17

11:59 pm-10:19 am

1 stop7h 20m

$245

LexingtonSan Francisco

LEX - SFO

LEXSFO

Lexington Blue Grass

Thu 1/29

2:07 pm-7:38 pm

2 stops32h 31m

San Francisco

Wed 2/4

9:44 am-1:17 pm

1 stop24h 33m

$246

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 2/7

7:35 am-4:09 pm

2 stops10h 34m

San Francisco

Sat 2/14

7:35 pm-6:15 am

1 stop8h 40m

$249

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 1/31

7:35 am-4:09 pm

2 stops10h 34m

San Francisco

Tue 2/10

2:35 pm-12:13 am

1 stop7h 38m

$249

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 2/4

12:21 pm-8:10 pm

2 stops10h 49m

San Francisco

Tue 2/17

6:00 am-4:31 pm

1 stop7h 31m

$250

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Sat 2/28

7:00 am-6:53 pm

2 stops13h 53m

San Francisco

Mon 3/2

10:20 am-10:00 pm

2 stops9h 40m

$254

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Fri 2/6

8:00 am-8:11 am

1 stop27h 11m

San Francisco

Tue 2/10

9:00 am-7:49 pm

1 stop7h 49m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

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.

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, Delta, and Southwest fly from Kentucky to San Francisco in about 9h 35m. The time it takes to get you to your destination can typically vary by up to 7h 31m. Kentucky and San Francisco are separated by a distance of 1962 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 Delta and American Airlines, with prices starting from $148 and $149, 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 $488, our data indicates the cheapest price to be $208. The most popular route (Nashville Intl - San Francisco), is priced around $142.

  • 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
Roseville
South San Francisco
Santa Cruz
Santa Clara
Livermore
Watsonville
Redwood City
Sunnyvale
San Bruno
Daly City
Manteca
Turlock
San Carlos
San Ramon
Vallejo
San Lorenzo
Hollister
Foster City
Union City
Davis

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.
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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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$166Average$272FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$189Average$412FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$468FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$422FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$308Average$502FlexibilityNo cancel feeOn-time69%

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