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Cheap flights from Kentucky to San Francisco from $74

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 1/25. 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
0 bags

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Find the cheapest flights from Kentucky to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:23 pm - 8:03 am
TYS
-
SFO
18h 40m1 stop
Frontier Logo
6:15 am - 7:23 pm
SFO
-
TYS
10h 08m1 stop
$182Frontier
Thu, Jan 8 - Thu, Jan 15
United Airlines Logo
6:30 am - 9:34 am
BNA
-
SFO
5h 04mnonstop
United Airlines Logo
11:05 am - 5:27 pm
SFO
-
BNA
4h 22mnonstop
$231United Airlines
Wed, Jan 28 - Sat, Jan 31
Delta Logo
6:35 am - 1:48 pm
CVG
-
SFO
10h 13m1 stop
Delta Logo
5:55 am - 7:02 pm
SFO
-
CVG
10h 07m1 stop
$245Delta
Wed, Feb 18 - Sun, Feb 22
Delta Logo
7:35 am - 1:43 pm
BNA
-
SFO
8h 08m1 stop
Delta Logo
2:35 pm - 12:13 am
SFO
-
BNA
7h 38m1 stop
$245Delta
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
6:10 am - 12:24 am
CVG
-
SFO
21h 14m1 stop
Multiple Airlines Logo
9:00 am - 7:49 pm
SFO
-
CVG
7h 49m1 stop
$260Multiple Airlines
Thu, Jan 8 - Tue, Jan 13
Multiple Airlines Logo
8:00 am - 2:00 pm
CVG
-
SFO
9h 00m1 stop
Multiple Airlines Logo
10:16 am - 11:54 pm
SFO
-
CVG
10h 38m1 stop
$265Multiple Airlines
Sat, Jan 10 - Mon, Jan 12
American Airlines Logo
12:21 pm - 8:10 pm
TYS
-
SFO
10h 49m2 stops
American Airlines Logo
6:00 am - 5:42 pm
SFO
-
TYS
8h 42m1 stop
$282American Airlines
Wed, Jan 21 - Wed, Jan 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
$308Breeze Airways
Mon, May 25 - Mon, Jun 1
American Airlines Logo
6:10 am - 3:05 pm
TRI
-
SFO
11h 55m2 stops
American Airlines Logo
12:29 am - 10:29 am
SFO
-
TRI
7h 00m1 stop
$314American Airlines
Wed, Feb 11 - Fri, Feb 13
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
$328Breeze Airways
Fri, May 8 - Fri, May 15

United Airlines flights from Kentucky to San Francisco

Our best United Airlines deals on Kentucky to San Francisco flight tickets
United Airlines
Jan 28
BNA6:30 amNashville Intl
5h 04m
SFO9:34 amSan Francisco
Jan 31
SFO11:05 amSan Francisco
4h 22m
BNA5:27 pmNashville Intl
$231
Find similar
United Airlines
Jan 21
BNA2:52 pmNashville Intl
8h 38m
1 stop
SFO9:30 pmSan Francisco
Jan 31
SFO11:05 amSan Francisco
4h 22m
BNA5:27 pmNashville Intl
$237
Find similar
United Airlines
Jan 21
BNA6:30 amNashville Intl
5h 04m
SFO9:34 amSan Francisco
Jan 28
SFO10:35 amSan Francisco
9h 34m
1 stop
BNA10:09 pmNashville Intl
$241
Find similar

Breeze Airways flights from Kentucky to San Francisco

Our best Breeze Airways deals on Kentucky to San Francisco flight tickets
Breeze Airways
May 25
SDF9:31 amLouisville Intl
5h 02m
SFO11:33 amSan Francisco
Jun 1
SFO12:18 pmSan Francisco
4h 30m
SDF7:48 pmLouisville Intl
$308
Find similar
Breeze Airways
May 31
CVG9:54 amCincinnati Cinci./N. Kentucky
5h 08m
SFO12:02 pmSan Francisco
Jun 11
SFO12:47 pmSan Francisco
4h 36m
CVG8:23 pmCincinnati Cinci./N. Kentucky
$328
Find similar
Breeze Airways
Dec 29
SDF9:43 amLouisville Intl
5h 19m
SFO12:02 pmSan Francisco
Jan 5
SFO12:47 pmSan Francisco
4h 25m
SDF8:12 pmLouisville Intl
$478
Find similar

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 December 23, 2025.
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

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Thu 1/8

4:23 pm-8:03 am

1 stop18h 40m

San Francisco

Thu 1/15

6:15 am-7:23 pm

1 stop10h 08m

$182

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Wed 1/28

6:30 am-9:34 am

Nonstop5h 04m

San Francisco

Sat 1/31

11:05 am-5:27 pm

Nonstop4h 22m

$231

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Wed 2/18

6:35 am-1:48 pm

1 stop10h 13m

San Francisco

Sun 2/22

5:55 am-7:02 pm

1 stop10h 07m

$245

NashvilleSan Francisco

BNA - SFO

BNASFO

Nashville Intl

Wed 1/21

7:35 am-1:43 pm

1 stop8h 08m

San Francisco

Wed 1/28

2:35 pm-12:13 am

1 stop7h 38m

$245

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Thu 1/8

6:10 am-12:24 am

1 stop21h 14m

San Francisco

Tue 1/13

9:00 am-7:49 pm

1 stop7h 49m

$260

CincinnatiSan Francisco

CVG - SFO

CVGSFO

Cincinnati Cinci./N. Kentucky

Sat 1/10

8:00 am-2:00 pm

1 stop9h 00m

San Francisco

Mon 1/12

10:16 am-11:54 pm

1 stop10h 38m

$265

KnoxvilleSan Francisco

TYS - SFO

TYSSFO

Knoxville McGhee Tyson

Wed 1/21

12:21 pm-8:10 pm

2 stops10h 49m

San Francisco

Wed 1/28

6:00 am-5:42 pm

1 stop8h 42m

$282

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Mon 5/25

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Mon 6/1

12:18 pm-7:48 pm

Nonstop4h 30m

$308

BlountvilleSan Francisco

TRI - SFO

TRISFO

Blountville Tri Cities TN/VA

Wed 2/11

6:10 am-3:05 pm

2 stops11h 55m

San Francisco

Fri 2/13

12:29 am-10:29 am

1 stop7h 00m

$314

LouisvilleSan Francisco

SDF - SFO

SDFSFO

Louisville Intl

Fri 5/8

9:31 am-11:33 am

Nonstop5h 02m

San Francisco

Fri 5/15

12:18 pm-7:48 pm

Nonstop4h 30m

$328

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 November is also cheap. Prices for this month can be found on momondo for an average of $287.

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 $259. The most expensive day to fly to San Francisco is Thursday, with ticket prices averaging around $312.

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

Our data shows that the cheapest Kentucky to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $266. Flights in the evening are often more expensive with an average ticket price of $423.

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 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 $388 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 $227 on momondo.

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

There is only 1 cabin class 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

$223

Fastest flight time

4h 57m

Direct flights

Every day

Airports in San Francisco

1 airport
The best flight deal from Kentucky to San Francisco found on momondo in the last 72 hours is $223
The fastest flight from Kentucky to San Francisco takes 4h 57m
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

  • 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 $163Free CancellationRating
8.2
249 reviews
Search Breeze Airways flights
DeltaPriceFrom $189Free CancellationRating
7.9
8,014 reviews
Search Delta flights
SouthwestPriceFrom $254Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $262Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
United AirlinesPriceFrom $308Free CancellationRating
7.4
9,106 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
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Berkeley
Santa Clara
Walnut Creek
Fremont
Daly City
Half Moon Bay
Vallejo
Salinas
Livermore
Sunnyvale
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.

An easier way to manage your San Francisco trip

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