$162 Cheap United flights from San Francisco to Louisville (SFO to SDF)

Find The Best Day To Fly from San Francisco to Louisville

Amazing United SFO to SDF Flight Deals

The cheapest flights to Louisville Intl. found within the past 7 days were $429 round trip and $162 one way. Prices and availability subject to change. Additional terms may apply.

Thu, Dec 25 - Tue, Dec 30
SFO
San Francisco
SDF
Louisville
$429 Roundtrip, found 1 hour ago
$429
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Dec 25 from San Francisco to Louisville, returning Tue, Dec 30, priced at $429 found 1 hour ago

SDF From SFO Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Marriott Louisville East

Marriott Louisville East

4 out of 5
per person
Oct 8 - Oct 13
found 15 hours ago
Roundtrip non-stop flight included
San Jose (SJC) to Louisville (SDF)
Holiday Inn Express Louisville Airport Expo Center by IHG

Holiday Inn Express Louisville Airport Expo Center by IHG

2.5 out of 5
per person
Oct 8 - Oct 13
found 15 hours ago
Roundtrip non-stop flight included
San Jose (SJC) to Louisville (SDF)
Holiday Inn Louisville Airport - Fair/Expo by IHG

Holiday Inn Louisville Airport - Fair/Expo by IHG

3 out of 5
per person
Oct 8 - Oct 13
found 15 hours ago
Roundtrip non-stop flight included
San Jose (SJC) to Louisville (SDF)
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Frequently asked questions

Can I catch a flight from San Francisco Airport to SDF right now?
Be sure to check out our Covid-19 Travel Advisor to discover if there are any present quarantine requirements and travel advice reports in place in Louisville Intl. Airport (SDF) when flying in from SFO.
What terminal is United Airlines at San Francisco Airport?
Once you receive the boarding pass for your United Airlines flight from San Francisco Intl. Airport (SFO) to Louisville Muhammad Ali Intl. Airport, you should be able to see which terminals you'll be flying in and out of. Your airline will have the answers if those details are missing from your ticket.
Are there United Airlines non-stop flights from SFO to SDF?
There aren't any nonstop flights with United Airlines from San Francisco Intl. Airport (SFO) to SDF. You will have a stopover, so make the most of this time to stretch out those legs before boarding your connecting flight.
How long is a United Airlines flight from SFO to SDF?
As it will take about 5 hours and 53 minutes for your United Airlines flight to jet from SFO to SDF, consider sticking a travel game or two in your carry-on. You never know — the person sitting next to you might welcome a challenge to break up the journey.
How many direct and indirect flights does United Airlines fly from SFO to SDF?
If you need to book a trip from SFO to SDF, you can choose from 4 United Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Louisville Muhammad Ali Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from San Francisco SFO to Louisville SDF 

To find the best deals on flights to San Francisco from Louisville with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from San Francisco SFO to Louisville SDF with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $429 to $429, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from San Francisco SFO to Louisville SDF 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from San Francisco to Louisville costs from $162. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Louisville SDF from  San Francisco SFO with United 

To find a cheap United flight from San Francisco SFO to Louisville SDF, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from San Francisco SFO to Louisville SDF 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as December, or if you book a flight with a stopover. 

 

Find nonstop flights from San Francisco SFO to Louisville SDF with United 

If you’re keen to be on Louisville soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from San Francisco SFO to Louisville SDF 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Louisville SDF from  San Francisco SFO with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Louisville

Crowne Plaza Louisville Airport Expo Ctr by IHG

Crowne Plaza Louisville Airport Expo Ctr by IHG

3.5 out of 5
830 Phillips Lane, Louisville, KY
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, express check-in, ...
8.6/10 Excellent! (729 reviews)
Great stay
"The appearance upon arrival was very nice. Walking into the lobby was nice, spacious and clean. The front desk staff was friendly and welcoming. The rooms were so nice, new and clean. The bathroom was so nice. Bright and clean. It was a great experience start to finish!!!"

Reviewed on Aug 9, 2025

Crowne Plaza Louisville Airport Expo Ctr by IHG
Springhill Suites by Marriott Louisville Airport

Springhill Suites by Marriott Louisville Airport

3 out of 5
820 Phillips Lane, Louisville, KY
This hotel features an indoor pool and a 24-hour gym. Families will appreciate the free theme park shuttle and onsite laundry facilities. Free perks include ...
8.8/10 Excellent! (1,002 reviews)
"Our room was nice and clean. The location was great real close to the airport. It worked out perfect for us."

Reviewed on Aug 7, 2025

Springhill Suites by Marriott Louisville Airport
Hampton Inn Louisville-Airport

Hampton Inn Louisville-Airport

2.5 out of 5
800 Phillips Ln, Louisville, KY
This hotel features an outdoor pool and a 24-hour gym. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and free ...
8.6/10 Excellent! (1,000 reviews)
Comfortable and convenient stay.
"Quick and friendly checkin; helpful restaurant recommendation list; and clean and spacious room. The only negative is that the pillows on the bed were not great and could use an upgrade - a combo of soft, medium and firm as at other hotels would be a nice feature."

Reviewed on Aug 2, 2025

Hampton Inn Louisville-Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.