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San Francisco Bay Area

$65+ Cheap flights from Kentucky to San Francisco Bay Area

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SFO
Dec 4 — Dec 111
Thu 12/4
Thu 12/11
1 adult, Economy
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Cheap flight deals from Kentucky to San Francisco Bay Area

Keep the following information in mind while searching for Kentucky to San Francisco Bay Area flight deals. Data was last updated November 4, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$130
(Frontier)

One-way from

$65
(Priceline)

Popular in

June

Cheapest in

September

Average price

$283
Provider with most accurate pricing for Louisville Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-San Francisco flights.
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From Kentucky to San Francisco Bay Area
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One-way flight from Kentucky to San Francisco Bay Area
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Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Kentucky to San Francisco Bay Area

Cheapest flights from Kentucky to San Francisco Bay Area
Explore the most affordable flight options available from Kentucky to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2025.

This Frontier deal was found by Cheapflights users on 11/4. 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 12/84:52 pmTYS - SFO
1 stop10h 32mFrontier
Mon 12/156:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$130
This Frontier deal was found by Cheapflights users on 11/4. 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 12/84:52 pmTYS - SFO
1 stop10h 32mFrontier
Sun 12/146:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$134
This Breeze Airways deal was found by Cheapflights users on 11/3. 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.
Mon 12/89:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 12/1212:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 11/3$178
This Breeze Airways deal was found by Cheapflights users on 11/2. 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.
Fri 12/59:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Fri 12/1212:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 11/2$188
This Frontier deal was found by Cheapflights users on 11/4. 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 12/114:52 pmTYS - SFO
1 stop10h 32mFrontier
Mon 12/156:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$206
This Frontier deal was found by Cheapflights users on 11/4. 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 12/114:52 pmTYS - SFO
1 stop10h 32mFrontier
Sun 12/146:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$210
This Frontier deal was found by Cheapflights users on 11/4. 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.
Sun 12/74:52 pmTYS - SFO
1 stop10h 32mFrontier
Mon 12/156:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$216
This Frontier deal was found by Cheapflights users on 11/4. 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.
Sun 12/74:52 pmTYS - SFO
1 stop10h 32mFrontier
Sun 12/146:30 amSFO - TYS
1 stop6h 27mFrontier
Deal found 11/4$220
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/59:43 amSDF - SFO
Nonstop5h 19mBreeze Airways
Mon 12/1512:47 pmSFO - SDF
Nonstop4h 25mBreeze Airways
Deal found 11/2$231
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 12/169:44 amCVG - SFO
Nonstop5h 21mMultiple Airlines
Sat 1/106:30 pmSFO - CVG
2 stops15h 45mMultiple Airlines
Deal found 11/3$231
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 12/28:05 pmCVG - SFO
2 stops38h 48mMultiple Airlines
Tue 12/912:50 pmSFO - CVG
Nonstop4h 33mMultiple Airlines
Deal found 11/4$233
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 12/228:20 pmCVG - SFO
1 stop28h 16mFrontier
Fri 1/98:43 amSFO - CVG
1 stop12h 13mFrontier
Deal found 11/2$236

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to San Francisco Bay Area 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 November 4, 2025.
Use the filters below to find and compare flights from Kentucky to San Francisco Bay Area that are best for you.

Fly from

Kentucky

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 12/8

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Fri 12/12

12:47 pm-8:12 pm

Nonstop4h 25m

$178

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Mon 1/12

2:26 pm-3:53 pm

1 stop28h 27m

San Francisco

Fri 1/30

8:43 am-11:56 pm

1 stop12h 13m

$237

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Tue 3/3

9:00 am-4:44 pm

1 stop9h 44m

San Jose

Wed 3/4

1:00 pm-11:54 pm

1 stop8h 54m

$256

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Thu 1/22

7:00 am-2:42 pm

1 stop9h 42m

San Jose

Tue 1/27

6:02 pm-3:21 pm

1 stop19h 19m

$256

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Sat 3/14

7:00 am-1:01 pm

1 stop8h 01m

San Jose

Mon 3/23

10:30 pm-7:33 am

1 stop7h 03m

$277

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Fri 2/13

5:51 pm-10:06 am

1 stop18h 15m

San Jose

Mon 2/16

7:30 am-4:51 pm

1 stop7h 21m

$277

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Wed 11/26

6:16 am-11:32 am

1 stop7h 16m

San Jose

Thu 12/4

10:25 pm-8:22 am

1 stop7h 57m

$277

NashvilleSan Jose

BNA - SJC

BNASJC

Nashville Intl

Wed 11/26

6:16 am-11:32 am

1 stop7h 16m

San Jose

Tue 12/2

11:40 am-12:17 am

1 stop10h 37m

$277

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 12/15

9:43 am-12:02 pm

Nonstop5h 19m

San Francisco

Wed 12/17

6:00 am-2:15 pm

3 stops29h 15m

$279

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 12/17

6:30 am-12:59 pm

1 stop9h 29m

San Francisco

Sat 1/10

6:05 am-6:38 pm

1 stop9h 33m

$280

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 60 results
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Best time to book a flight from Kentucky to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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 Bay Area

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

Currently, September is the cheapest month in which you can book a flight from Kentucky to San Francisco Bay Area (average of $114). Flying from Kentucky to San Francisco Bay Area 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 XIH?

Find hourly flight availability from Kentucky to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Kentucky to San Francisco Bay Area in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight in the afternoon.

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

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

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

Related info for your journey

Find useful and relevant information for your journey from Kentucky to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

    There are many flights that can get you from Kentucky to San Francisco Bay Area in 5h 19m. Fly via Breeze Airways, Frontier, or Hawaiian Airlines to get the fastest option. The distance between Kentucky and San Francisco Bay Area is about 1984 mi. This flight may include one or multiple stops.

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

    To fly one-way, consider booking your trip with Breeze Airways, which is currently one of the cheapest options available, starting at $89. Alaska Airlines flights start at $128 while deals on Southwest start at $135 one-way.

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

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

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

    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 Bay Area.

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

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

    Currently, September is the cheapest month in which you can book a flight from Kentucky to San Francisco Bay Area (average of $114). Flying from Kentucky to San Francisco Bay Area 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

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Alternative routes for Kentucky to San Francisco Bay Area

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 Bay Area

Discover the top 5 airlines that operate flights from Kentucky to San Francisco Bay Area. 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 November 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Breeze AirwaysCheapest$162Average$270FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$219Average$396FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$254Average$458FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$262Average$538FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$495FlexibilityNo cancel feeOn-time69%

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