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$572+ Cheap flights from Santa Rosa to Louisville (STS - SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SDF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Santa Rosa to Louisville

Cheapest flights from Santa Rosa to Louisville
Explore the most affordable flight options available from Santa Rosa to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:17 pm
STS
-
SDF
1 stop7h 27m
American Airlines
Fri 8/146:19 am
SDF
-
STS
2 stops12h 27m
American Airlines
Deal found 1/27$572
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:05 am
STS
-
SDF
2 stops14h 55m
Southwest
Fri 8/143:20 pm
SDF
-
STS
2 stops10h 15m
Southwest
Deal found 1/27$613
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/238:00 am
STS
-
SDF
2 stops30h 21m
Alaska Airlines
Fri 2/2711:38 am
SDF
-
STS
2 stops25h 54m
Alaska Airlines
Deal found 1/28$708

Find flight deals from Santa Rosa to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$708
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$648
Provider with most accurate pricing for Santa Rosa Sonoma County-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Louisville Intl flights.
Search Deals
From Santa Rosa Sonoma County to Louisville Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Santa Rosa to Louisville that are best for you.

Fly from

Santa Rosa

Fly to

Louisville

Route

Depart

Return

Price

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Mon 2/23

8:00 am-5:21 pm

2 stops30h 21m

Louisville Intl

Fri 2/27

11:38 am-10:32 am

2 stops25h 54m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • Most accurate provider: When it comes to deals on Santa Rosa-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Rosa to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Santa Rosa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Louisville

What is the cheapest month to book a flight from Santa Rosa to Louisville?

Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $86). Flying from Santa Rosa to Louisville in April is currently the most expensive (average of $239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Santa Rosa to Louisville?

    Airlines like Alaska Airlines fly from Santa Rosa to Louisville in about 30h 21m. The time it takes to get you to your destination can typically vary by up to . The distance from Santa Rosa to Louisville is about 1994 mi.

  • Can I find deals for flights from Santa Rosa to Louisville that include hotel bookings?

    Yes. In addition to deals on Santa Rosa to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santa Rosa to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Louisville.

  • Can I find deals for business class flights from Santa Rosa to Louisville?

    Yes. Cheapflights offers flight deals from Santa Rosa to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Santa Rosa to Louisville?

    Currently, February is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $86). Flying from Santa Rosa to Louisville in April is currently the most expensive (average of $239). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Shepherdsville
Jeffersonville
Elizabethtown
Corydon
Bardstown

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