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$67+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
nov. 22 — nov. 291
sáb. 11/22
sáb. 11/29
1 adult, Economy
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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 octubre 23, 2025.

This Breeze Airways deal was found by Cheapflights users on 10/21. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/59:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
vie. 12/1212:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/21$188
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
vie. 12/59:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
lun. 12/812:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/21$195
This Breeze Airways deal was found by Cheapflights users on 10/22. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/129:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
lun. 12/1512:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/22$198
This Breeze Airways deal was found by Cheapflights users on 10/23. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/319:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
lun. 11/312:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 10/23$218
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
vie. 12/129:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
dom. 12/1412:50 pmSFO - SDF
2 stops17h 08mBreeze Airways
Deal found 10/22$225
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
jue. 12/116:30 amTYS - SFO
1 stop28h 23mMultiple Airlines
dom. 12/148:22 pmSFO - TYS
2 stops16h 35mMultiple Airlines
Deal found 10/21$225
This Booking.com deal was found by Cheapflights users on 10/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:25 amCVG - SFO
1 stop11h 18mFrontier
jue. 11/65:45 amSFO - CVG
1 stop22h 09mFrontier
Deal found 10/21$229
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
jue. 12/49:44 amCVG - SFO
Nonstop5h 21mMultiple Airlines
mar. 12/910:10 pmSFO - CVG
2 stops36h 03mMultiple Airlines
Deal found 10/20$230
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/151:14 pmTYS - SFO
1 stop10h 16mAmerican Airlines
mar. 12/166:00 amSFO - TYS
1 stop8h 27mAmerican Airlines
Deal found 10/21$231
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
mar. 11/49:44 amCVG - SFO
Nonstop5h 21mMultiple Airlines
mié. 11/128:02 amSFO - CVG
1 stop11h 06mMultiple Airlines
Deal found 10/21$231
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
jue. 11/68:25 amCVG - SFO
1 stop11h 18mFrontier
mar. 11/117:30 amSFO - CVG
2 stops35h 38mFrontier
Deal found 10/21$232
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
mié. 12/311:57 amCVG - SFO
2 stops22h 56mMultiple Airlines
dom. 12/712:50 pmSFO - CVG
Nonstop4h 33mMultiple Airlines
Deal found 10/20$234

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 octubre 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$188
(Breeze Airways)

One-way from

$67
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$372

Good round-trip deal

$218 or less

Good one-way deal

$144 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. 8% potential increase in price ($34 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 October 2025
Search Deals
Price to beat on a round-trip flight from Kentucky to San Francisco.
Search Deals
Price to beat on a one-way flight from Kentucky to San Francisco.
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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 octubre 23, 2025.
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

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

sáb. 1/31

6:30 am-1:50 pm

2 stops10h 20m

San Francisco

mié. 2/4

9:50 am-9:10 pm

1 stop8h 20m

$245

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

vie. 11/7

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

vie. 11/14

12:47 pm-8:12 pm

Nonstop4h 25m

$248

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

lun. 12/15

6:30 am-6:56 pm

1 stop15h 26m

San Francisco

mié. 1/14

6:05 am-6:46 pm

1 stop9h 41m

$265

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

jue. 1/15

7:00 am-1:17 pm

1 stop9h 17m

San Francisco

lun. 1/19

6:05 am-6:46 pm

1 stop9h 41m

$265

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

mié. 12/17

6:10 am-3:57 pm

2 stops12h 47m

San Francisco

jue. 1/15

6:05 am-6:46 pm

1 stop9h 41m

$270

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

jue. 12/18

6:30 am-11:29 am

1 stop7h 59m

San Francisco

jue. 1/15

6:05 am-6:46 pm

1 stop9h 41m

$271

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

sáb. 12/13

12:37 pm-10:31 pm

2 stops12h 54m

San Francisco

lun. 12/15

12:30 am-11:57 am

1 stop8h 27m

$277

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

mié. 12/10

12:58 pm-10:31 pm

2 stops12h 33m

San Francisco

lun. 12/15

12:30 am-11:57 am

1 stop8h 27m

$277

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

mié. 12/10

3:18 pm-8:59 pm

1 stop8h 41m

San Francisco

mié. 12/17

5:45 am-11:08 pm

2 stops14h 23m

$277

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

mié. 12/10

12:58 pm-10:31 pm

2 stops12h 33m

San Francisco

vie. 12/12

12:30 am-11:57 am

1 stop8h 27m

$277

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 February 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.

What is the cheapest time of day to fly from KY to SFO?

Find hourly flight availability from Kentucky to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 23, 2025.

When flying from Kentucky to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 24% versus a flight at noon.

What is the cheapest day to fly from Kentucky to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Kentucky to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Kentucky to San Francisco flight should consider departing on Tuesday mornings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 Southwest, Breeze Airways, and Delta fly from Kentucky to San Francisco in about 5h 19m. The time it takes to get you to your destination can typically vary by up to 10h 07m. Kentucky and San Francisco are separated by a distance of 1984 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?

    $68 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Breeze Airways and Southwest, with prices starting from $89 and $120, 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 $238, our data indicates the cheapest price to be $129. 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 February 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Vacaville
Vallejo
Hollister
Foster City
Union City
Fairfield
Burlingame
Redwood City
Lodi
San Mateo

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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 octubre 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$162Average$271FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$219Average$396FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$435FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$515FlexibilityNo cancel feeOn-time69%

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