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Cheap flights from San Francisco to Louisville from $142

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Louisville departing on 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from San Francisco to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 am - 9:30 pm
SFO
-
SDF
12h 30m
1 stop
American Airlines Logo
6:07 am - 11:05 am
SDF
-
SFO
7h 58m
1 stop
$288American Airlines
Sat, May 16 - Tue, May 19
American Airlines Logo
9:08 am - 10:08 pm
SFO
-
SDF
10h 00m
1 stop
American Airlines Logo
2:29 pm - 11:47 pm
SDF
-
SFO
12h 18m
1 stop
$299American Airlines
Mon, May 18 - Sat, May 23
American Airlines Logo
12:30 am - 10:04 am
SFO
-
SDF
6h 34m
1 stop
American Airlines Logo
6:00 am - 2:12 pm
SDF
-
SFO
11h 12m
1 stop
$341American Airlines
Fri, Apr 3 - Sat, Apr 18
United Airlines Logo
5:00 am - 2:31 pm
SFO
-
SDF
6h 31m
1 stop
United Airlines Logo
5:43 pm - 10:40 pm
SDF
-
SFO
7h 57m
1 stop
$354United Airlines
Wed, Apr 1 - Tue, Apr 7
American Airlines Logo
12:30 am - 10:04 am
SFO
-
SDF
6h 34m
1 stop
American Airlines Logo
5:38 pm - 10:00 pm
SDF
-
SFO
7h 22m
1 stop
$358American Airlines
Tue, Mar 31 - Wed, Apr 8
Southwest Logo
5:55 am - 2:55 pm
SFO
-
SDF
6h 00m
1 stop
Southwest Logo
3:30 pm - 10:10 pm
SDF
-
SFO
9h 40m
2 stops
$364Southwest
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
5:00 am - 2:31 pm
SFO
-
SDF
6h 31m
1 stop
United Airlines Logo
5:00 am - 10:38 am
SDF
-
SFO
8h 38m
1 stop
$365United Airlines
Tue, Apr 7 - Sat, Apr 11
Delta Logo
10:40 pm - 10:10 am
SFO
-
SDF
8h 30m
1 stop
Delta Logo
3:05 pm - 8:33 pm
SDF
-
SFO
8h 28m
1 stop
$367Delta
Tue, Mar 24 - Wed, Mar 25
Southwest Logo
11:25 pm - 9:45 am
SFO
-
SDF
7h 20m
1 stop
Southwest Logo
3:30 pm - 10:05 pm
SDF
-
SFO
9h 35m
2 stops
$368Southwest
Sat, May 16 - Tue, May 19
Southwest Logo
8:30 am - 10:15 pm
SFO
-
SDF
10h 45m
2 stops
Southwest Logo
3:30 pm - 10:05 pm
SDF
-
SFO
9h 35m
2 stops
$369Southwest
Wed, Apr 1 - Tue, Apr 7

United Airlines flights from San Francisco to Louisville

Our best United Airlines deals on San Francisco to Louisville flight tickets
United Airlines
Apr 1
SFO5:00 amSan Francisco
6h 31m
1 stop
SDF2:31 pmLouisville Intl
Apr 7
SDF5:43 pmLouisville Intl
7h 57m
1 stop
SFO10:40 pmSan Francisco
$354
United Airlines
Apr 7
SFO5:00 amSan Francisco
6h 31m
1 stop
SDF2:31 pmLouisville Intl
Apr 11
SDF5:00 amLouisville Intl
8h 38m
1 stop
SFO10:38 amSan Francisco
$365
United Airlines
Apr 6
SFO11:52 pmSan Francisco
6h 33m
1 stop
SDF9:25 amLouisville Intl
Apr 11
SDF5:00 amLouisville Intl
10h 03m
1 stop
SFO12:03 pmSan Francisco
$381

Southwest flights from San Francisco to Louisville

Our best Southwest deals on San Francisco to Louisville flight tickets
Southwest
Apr 1
SFO5:55 amSan Francisco
6h 00m
1 stop
SDF2:55 pmLouisville Intl
Apr 7
SDF3:30 pmLouisville Intl
9h 40m
2 stops
SFO10:10 pmSan Francisco
$364
Southwest
May 16
SFO11:25 pmSan Francisco
7h 20m
1 stop
SDF9:45 amLouisville Intl
May 19
SDF3:30 pmLouisville Intl
9h 35m
2 stops
SFO10:05 pmSan Francisco
$368
Southwest
Apr 1
SFO8:30 amSan Francisco
10h 45m
2 stops
SDF10:15 pmLouisville Intl
Apr 7
SDF3:30 pmLouisville Intl
9h 35m
2 stops
SFO10:05 pmSan Francisco
$369

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Louisville 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 February 16, 2026.
Use the filters below to find and compare flights from San Francisco to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 5/16

6:00 am-9:30 pm

1 stop12h 30m

Louisville Intl

Tue 5/19

6:07 am-11:05 am

1 stop7h 58m

$288

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Mon 5/18

9:08 am-10:08 pm

1 stop10h 00m

Louisville Intl

Sat 5/23

2:29 pm-11:47 pm

1 stop12h 18m

$299

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Fri 4/3

12:30 am-10:04 am

1 stop6h 34m

Louisville Intl

Sat 4/18

6:00 am-2:12 pm

1 stop11h 12m

$341

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 4/1

5:00 am-2:31 pm

1 stop6h 31m

Louisville Intl

Tue 4/7

5:43 pm-10:40 pm

1 stop7h 57m

$354

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 3/31

12:30 am-10:04 am

1 stop6h 34m

Louisville Intl

Wed 4/8

5:38 pm-10:00 pm

1 stop7h 22m

$358

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 4/1

5:55 am-2:55 pm

1 stop6h 00m

Louisville Intl

Tue 4/7

3:30 pm-10:10 pm

2 stops9h 40m

$364

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 4/7

5:00 am-2:31 pm

1 stop6h 31m

Louisville Intl

Sat 4/11

5:00 am-10:38 am

1 stop8h 38m

$365

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Tue 3/24

10:40 pm-10:10 am

1 stop8h 30m

Louisville Intl

Wed 3/25

3:05 pm-8:33 pm

1 stop8h 28m

$367

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Sat 5/16

11:25 pm-9:45 am

1 stop7h 20m

Louisville Intl

Tue 5/19

3:30 pm-10:05 pm

2 stops9h 35m

$368

San FranciscoLouisville

SFO - SDF

SFOSDF

San Francisco

Wed 4/1

8:30 am-10:15 pm

2 stops10h 45m

Louisville Intl

Tue 4/7

3:30 pm-10:05 pm

2 stops9h 35m

$369

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 Louisville from

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

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 Louisville?

If you are unable to visit Louisville during the month of August, then departing from San Francisco during the month September is also very affordable. Most momondo users find prices during this month for around $368.

What is the cheapest day to depart on your flight to Louisville?

On average, the least expensive day to fly to Louisville from San Francisco is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $98. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from San Francisco to Louisville on a Thursday will generally be more expensive and average around $306. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest San Francisco to Louisville flights are usually those with departure times in the morning. Our users have found flights to Louisville in the morning for as low as $268. At noon is when there is more demand to fly to Louisville, so prices are often more expensive at around $430 per ticket.

What is the cheapest San Francisco to Louisville Intl flight route?

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

How far in advance should I book a flight to Louisville?

You are more likely to see cheaper flights to Louisville from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Louisville for around $459 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Louisville from San Francisco for as low as $338 on momondo.

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

There is only 1 cabin class available to choose from on San Francisco to Louisville Intl 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 San Francisco to Louisville flights?

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

How have San Francisco to Louisville flight prices changed over time?

As of February 2026, prices for San Francisco to Louisville flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Louisville (SFO to SDF) flight deals and tips

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

Best Price Found

$169

Fastest flight time

4h 30m

Direct flights

Tue, Fri and Sat

Airports in Louisville

1 airport
The best one-way flight to Louisville from San Francisco in the past 72 hours is $169. The best round-trip flight deal from San Francisco to Louisville found on momondo in the last 72 hours is $383.
The fastest flight from San Francisco to Louisville takes 4h 30m
Direct flights go from San Francisco to Louisville on Tuesday, Friday and Saturday. The only airline offering direct flights is Breeze Airways.
There is 1 airport in Louisville. From San Francisco there are direct flights to Louisville Intl (SDF).
Search flight deals

  • How far is San Francisco to Louisville Intl by plane?

    Louisville Intl is 1981.0 mi away from San Francisco. 4h 30m is a normal flight duration for this route.

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

    Prices for flights from San Francisco Airport to Louisville Intl Airport were last updated today.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The necessary travel and health documents for your Louisville Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from San Francisco to Louisville?

Best airlines flying from San Francisco to Louisville

Compare and see reviews for airlines that fly from San Francisco to Louisville with momondo
Airline
Rating
Free Cancellation
Price
Breeze AirwaysPriceFrom $129Free CancellationRating
8.1
270 reviews
Search Breeze Airways flights
DeltaPriceFrom $171Free CancellationRating
7.9
8,204 reviews
Search Delta flights
United AirlinesPriceFrom $217Free CancellationRating
7.4
9,299 reviews
Search United Airlines flights
SouthwestPriceFrom $266Free CancellationRating
8.0
4,285 reviews
Search Southwest flights
American AirlinesPriceFrom $299Free CancellationRating
7.2
11,294 reviews
Search American Airlines flights

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
West Baden Springs
Bardstown
Jeffersonville
Shepherdsville
New Albany
Corydon
Elizabeth
Brandenburg
Charlestown
Springfield
Georgetown

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Louisville. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from San Francisco.

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

Yes momondo offers price alerts on flights to Louisville from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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