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Cheap flights from Kentucky to San Francisco from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to San Francisco departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Breeze Airways Logo
9:31 am - 11:33 am
SDF
-
SFO
5h 02mnonstop
Breeze Airways Logo
12:18 pm - 7:48 pm
SFO
-
SDF
4h 30mnonstop
$218Breeze Airways
Fri, Aug 21 - Fri, Aug 28
Breeze Airways Logo
9:31 am - 11:33 am
SDF
-
SFO
5h 02mnonstop
Breeze Airways Logo
12:18 pm - 7:48 pm
SFO
-
SDF
4h 30mnonstop
$228Breeze Airways
Fri, Aug 21 - Fri, Aug 28
Breeze Airways Logo
9:31 am - 11:33 am
SDF
-
SFO
5h 02mnonstop
Breeze Airways Logo
12:18 pm - 7:48 pm
SFO
-
SDF
4h 30mnonstop
$229Breeze Airways
Fri, Aug 21 - Fri, Aug 28
Frontier Logo
8:19 pm - 3:46 pm
TYS
-
SFO
22h 27m
1 stop
Frontier Logo
6:00 am - 7:24 pm
SFO
-
TYS
10h 24m
1 stop
$244Frontier
Wed, Aug 5 - Wed, Aug 12
Frontier Logo
8:19 pm - 12:18 am
TYS
-
SFO
6h 59m
1 stop
Frontier Logo
6:00 am - 7:24 pm
SFO
-
TYS
10h 24m
1 stop
$245Frontier
Wed, Aug 5 - Wed, Aug 12
Southwest Logo
1:50 pm - 4:25 pm
BNA
-
SFO
4h 35mnonstop
Southwest Logo
11:05 pm - 5:30 am
SFO
-
BNA
4h 25mnonstop
$277Southwest
Wed, Aug 12 - Sat, Aug 15
Multiple Airlines Logo
9:54 am - 12:02 pm
CVG
-
SFO
5h 08mnonstop
Multiple Airlines Logo
10:35 pm - 11:21 am
SFO
-
CVG
9h 46m
1 stop
$280Multiple Airlines
Tue, Aug 11 - Tue, Aug 18
Multiple Airlines Logo
9:54 am - 12:02 pm
CVG
-
SFO
5h 08mnonstop
Multiple Airlines Logo
11:05 pm - 11:13 am
SFO
-
CVG
9h 08m
1 stop
$281Multiple Airlines
Tue, Aug 11 - Sat, Aug 15
American Airlines Logo
8:07 pm - 12:43 am
LEX
-
SFO
7h 36m
1 stop
American Airlines Logo
11:16 pm - 11:22 am
SFO
-
LEX
9h 06m
1 stop
$341American Airlines
Sat, Aug 1 - Tue, Aug 4
American Airlines Logo
12:30 pm - 7:18 pm
TRI
-
SFO
9h 48m
1 stop
American Airlines Logo
5:05 am - 5:40 pm
SFO
-
TRI
9h 35m
1 stop
$350American Airlines
Wed, Aug 19 - Sun, Aug 23

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United Airlines flights from Kentucky to San Francisco

Our best United Airlines deals on Kentucky to San Francisco flight tickets
United Airlines
Jul 29
BNA2:54 pmNashville Intl
4h 48m
SFO5:42 pmSan Francisco
Aug 5
SFO11:59 pmSan Francisco
4h 38m
BNA6:37 amNashville Intl
$298
United Airlines
Sep 19
SDF6:20 pmLouisville Intl
9h 10m
1 stop
SFO12:30 amSan Francisco
Sep 26
SFO5:00 amSan Francisco
6h 34m
1 stop
SDF2:34 pmLouisville Intl
$302
United Airlines
Jul 29
BNA2:54 pmNashville Intl
4h 48m
SFO5:42 pmSan Francisco
Aug 4
SFO12:45 amSan Francisco
7h 02m
1 stop
BNA9:47 amNashville Intl
$308

Breeze Airways flights from Kentucky to San Francisco

Our best Breeze Airways deals on Kentucky to San Francisco flight tickets
Breeze Airways
Aug 21
SDF9:31 amLouisville Intl
5h 02m
SFO11:33 amSan Francisco
Aug 28
SFO12:18 pmSan Francisco
4h 30m
SDF7:48 pmLouisville Intl
$218
Breeze Airways
Aug 21
SDF9:31 amLouisville Intl
5h 02m
SFO11:33 amSan Francisco
Aug 28
SFO12:18 pmSan Francisco
4h 30m
SDF7:48 pmLouisville Intl
$228
Breeze Airways
Aug 21
SDF9:31 amLouisville Intl
5h 02m
SFO11:33 amSan Francisco
Aug 28
SFO12:18 pmSan Francisco
4h 30m
SDF7:48 pmLouisville Intl
$229

momondo 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, momondo users made 832,500 searches. Data last updated June 30, 2026.
Use the filters below to find and compare flights from Kentucky to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 8/21

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Fri 8/28

12:18 pm-7:48 pm

Nonstop4h 30m

$218

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 8/21

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Fri 8/28

12:18 pm-7:48 pm

Nonstop4h 30m

$228

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 8/21

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Fri 8/28

12:18 pm-7:48 pm

Nonstop4h 30m

$229

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 8/5

8:19 pm-3:46 pm

1 stop22h 27m

San Francisco

Wed 8/12

6:00 am-7:24 pm

1 stop10h 24m

$244

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 8/5

8:19 pm-12:18 am

1 stop6h 59m

San Francisco

Wed 8/12

6:00 am-7:24 pm

1 stop10h 24m

$245
Quickest round-trip

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Wed 8/12

1:50 pm-4:25 pm

Nonstop4h 35m

San Francisco

Sat 8/15

11:05 pm-5:30 am

Nonstop4h 25m

$277

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Tue 8/11

9:54 am-12:02 pm

Nonstop5h 08m

San Francisco

Tue 8/18

10:35 pm-11:21 am

1 stop9h 46m

$280

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Tue 8/11

9:54 am-12:02 pm

Nonstop5h 08m

San Francisco

Sat 8/15

11:05 pm-11:13 am

1 stop9h 08m

$281

LexingtonSan Francisco

LEX - SFO

LEXSFO

Lexington Blue Grass

Sat 8/1

8:07 pm-12:43 am

1 stop7h 36m

San Francisco

Tue 8/4

11:16 pm-11:22 am

1 stop9h 06m

$341

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Wed 8/19

12:30 pm-7:18 pm

1 stop9h 48m

San Francisco

Sun 8/23

5:05 am-5:40 pm

1 stop9h 35m

$350

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Kentucky to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $112.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Kentucky to San Francisco is on a Friday when prices can be found for as low as $276. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $488.

What is the cheapest Kentucky to San Francisco flight route?

Fly from Louisville Intl to San Francisco for the best Kentucky - San Francisco flight prices

How far in advance should I book a flight from Kentucky to San Francisco?

You are more likely to see cheaper flights to San Francisco from Kentucky when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $408 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Kentucky for as low as $315 on momondo.

What cabin class options are available on Kentucky to San Francisco flights?

There are 2 cabin classes available to choose from on Kentucky to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kentucky to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Kentucky to San Francisco.

Cheap Kentucky to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to San Francisco

Best Price Found

$163

Fastest flight time

4h 35m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Kentucky in the past 72 hours is $163. The best round-trip flight deal from Kentucky to San Francisco found on momondo in the last 72 hours is $327.
The fastest flight from Kentucky to San Francisco takes 4h 35m
Direct flights go from Kentucky to San Francisco every day.
There is 1 airport in San Francisco. From Kentucky there are direct flights to San Francisco (SFO).
Search flight deals

Frequently asked questions about flying from Kentucky to San Francisco

  • When did momondo last update prices for flights from Kentucky to San Francisco Airport?

    Prices for flights from Kentucky to San Francisco Airport refresh daily.

  • How many operators does momondo search for flights from Kentucky to San Francisco Airport?

  • How old do you have to be to fly from Kentucky to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kentucky to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Kentucky to San Francisco?

Best airlines flying from Kentucky to San Francisco

Compare and see reviews for airlines that fly from Kentucky to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Breeze AirwaysPriceFrom $136Free CancellationRating
8.2
296 reviews
Search Breeze Airways flights
DeltaPriceFrom $166Free CancellationRating
7.8
8,453 reviews
Search Delta flights
SouthwestPriceFrom $254Free CancellationRating
7.9
4,244 reviews
Search Southwest flights
American AirlinesPriceFrom $262Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,906 reviews
Search United Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Bodega Bay
South San Francisco
Sonoma
Fremont
Hayward
Roseville
Walnut Creek
Santa Clara
Berkeley
Vallejo
Salinas
Sunnyvale
Big Sur
Burlingame
Daly City
Milpitas
Turlock

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Kentucky.

Can I find flights from Kentucky to San Francisco with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Francisco from Kentucky which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kentucky to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Kentucky. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Kentucky to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Kentucky to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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