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$579+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SDF
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap 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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$579
(Alaska Airlines)

One-way from

$435
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$398
Provider with most accurate pricing for Santa Rosa Sonoma County-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Louisville Intl flights.
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From Santa Rosa Sonoma County to Louisville Intl
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One-way flight from Santa Rosa Sonoma County to Louisville Intl
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Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/78:03 pmSTS - SDF
2 stops22h 26mAlaska Airlines
Mon 11/106:00 amSDF - STS
2 stops19h 05mAlaska Airlines
Deal found 10/29$879
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/238:17 pmSTS - SDF
2 stops19h 41mAlaska Airlines
Sun 12/286:19 pmSDF - STS
2 stops22h 13mAlaska Airlines
Deal found 10/29$1,001
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 11/71:18 pmSTS - SDF
1 stop20h 54mAmerican Airlines
Mon 11/107:13 amSDF - STS
1 stop7h 54mAmerican Airlines
Deal found 10/29$1,029

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 October 30, 2025.
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

Thu 2/5

6:30 pm-6:39 pm

2 stops21h 09m

Louisville Intl

Tue 2/10

1:32 pm-10:35 am

2 stops24h 03m

$579

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Fri 1/23

4:23 pm-12:26 pm

2 stops17h 03m

Louisville Intl

Mon 1/26

7:40 am-3:53 pm

2 stops11h 13m

$679

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Sat 1/24

12:55 pm-12:27 pm

2 stops20h 32m

Louisville Intl

Mon 1/26

7:40 am-3:53 pm

2 stops11h 13m

$696

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Tue 3/10

4:12 pm-10:16 am

2 stops15h 04m

Louisville Intl

Wed 3/11

7:19 pm-12:19 pm

2 stops20h 00m

$924

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Tue 12/23

8:17 pm-6:58 pm

2 stops19h 41m

Louisville Intl

Sun 12/28

6:19 pm-1:32 pm

2 stops22h 13m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Santa Rosa to Louisville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Louisville in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Rosa-Louisville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Rosa-Louisville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, September is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $112). Flying from Santa Rosa to Louisville in June is currently the most expensive (average of $230). 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 and American Airlines fly from Santa Rosa to Louisville in about 17h 03m. The time it takes to get you to your destination can typically vary by up to 4h 06m. The distance from Santa Rosa to Louisville is about 1994 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, September is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $112). Flying from Santa Rosa to Louisville in June is currently the most expensive (average of $230). 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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