How does KAYAK find such low prices on flights from Kentucky to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to San Francisco. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Kentucky to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Kentucky with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$116 CHEAP FLIGHTS from Kentucky to San Francisco

SFO

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Cheap Flights from Kentucky to San Francisco

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Kentucky to San Francisco

Mon, Aug 31 - Fri, Sep 11

9:31 am - 11:33 am

SDF

SFO

5h 02mnonstop

11:54 am - 7:19 pm

SFO

SDF

4h 25mnonstop

$219Breeze Airways

Wed, Sep 2 - Fri, Sep 11

9:21 am - 9:00 pm

SDF

SFO

14h 39m

1 stop

11:54 am - 7:19 pm

SFO

SDF

4h 25mnonstop

$259Multiple Airlines

Fri, Jun 26 - Sat, Jul 4

5:40 pm - 12:10 am

BNA

SFO

8h 30m

1 stop

6:10 am - 7:20 pm

SFO

BNA

11h 10m

1 stop

$262Southwest

Thu, Jun 25 - Sat, Jul 4

2:54 pm - 5:42 pm

BNA

SFO

4h 48mnonstop

11:59 pm - 6:37 am

SFO

BNA

4h 38mnonstop

$264United Airlines

Thu, Jun 25 - Tue, Jun 30

2:54 pm - 5:42 pm

BNA

SFO

4h 48mnonstop

11:59 pm - 6:37 am

SFO

BNA

4h 38mnonstop

$268United Airlines

Thu, Aug 6 - Wed, Aug 12

9:00 pm - 8:43 am

CVG

SFO

14h 43m

1 stop

11:10 am - 7:48 pm

SFO

CVG

29h 38m

2 stops

$273Frontier

Thu, Oct 1 - Mon, Oct 5

5:22 pm - 11:14 pm

BNA

SFO

7h 52m

1 stop

11:56 pm - 8:25 am

SFO

BNA

6h 29m

1 stop

$277American Airlines

Tue, Aug 4 - Sun, Aug 9

9:00 pm - 10:09 pm

CVG

SFO

28h 09m

2 stops

10:56 pm - 7:48 pm

SFO

CVG

17h 52m

1 stop

$278Frontier

Thu, Jul 9 - Mon, Jul 13

5:15 pm - 7:55 pm

BNA

SFO

4h 40mnonstop

10:50 pm - 5:10 am

SFO

BNA

4h 20mnonstop

$282Southwest

Wed, Sep 23 - Sat, Sep 26

2:19 pm - 6:43 pm

TRI

SFO

7h 24m

1 stop

7:36 am - 5:28 pm

SFO

TRI

6h 52m

1 stop

$331American Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$116

Best time to beat the crowds with an average 9% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from Louisville to San Francisco

How does KAYAK find such low prices on flights from Kentucky to San Francisco?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to San Francisco.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to San Francisco?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Kentucky to San Francisco?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Kentucky with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to San Francisco?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Calistoga

Marina

Rohnert Park

Emeryville

Pacifica

Capitola

Millbrae

Campbell

Newark

Novato

Mill Valley

Windsor

Union City

West Sacramento

Belmont

Richmond

American Canyon

Corte Madera

Jenner

Los Altos

Everything you need to know for your flight to San Francisco

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Information on the airport you'll fly into in San Francisco

San Francisco (SFO)

SFO

$116 Find Cheap Flights from Kentucky to San Francisco

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

Cheap Flights from Kentucky to San Francisco

Recent round-trip flight deals from Kentucky to San Francisco

Recent one-way flight deals from Kentucky to San Francisco

Recent last minute flight deals from Kentucky to San Francisco

Recent direct flight deals from Kentucky to San Francisco

Good to know

FAQs for booking flights from Kentucky to San Francisco

How does KAYAK find such low prices on flights from Kentucky to San Francisco?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kentucky to San Francisco.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kentucky to San Francisco?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Kentucky is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Kentucky to San Francisco?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Kentucky with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kentucky to San Francisco?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Kentucky up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San Francisco?

Everything you need to know for your flight to San Francisco

Information on the airport you'll fly into in San Francisco

Cabin class types available on flights to Kentucky

Complete your trip to San Francisco with a hotel stay or car rental

Find direct flights for San Francisco

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Flights from domestic origins to San Francisco

Choose which airport to fly into in San Francisco

Find deals for your return flight