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Santa Rosa

$365+ Cheap flights from Louisville to Santa Rosa (SDF - STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STS
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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Find flight deals from Louisville to Santa Rosa

Cheapest flights from Louisville to Santa Rosa
Explore the most affordable flight options available from Louisville to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/30. 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.
Thu 12/41:42 pmSDF - STS
2 stops22h 06mAlaska Airlines
Mon 12/87:55 pmSTS - SDF
2 stops21h 09mAlaska Airlines
Deal found 10/30$699

Cheap flight deals from Louisville to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Santa Rosa (STS). 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 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$579
(American Airlines)

One-way from

$365
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$372
Provider with most accurate pricing for Louisville Intl-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Santa Rosa Sonoma County flights.
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From Louisville Intl to Santa Rosa Sonoma County
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One-way flight from Louisville Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville to Santa Rosa 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 31, 2025.
Use the filters below to find and compare flights from Louisville to Santa Rosa that are best for you.

Fly from

Louisville

Fly to

Santa Rosa

Route

Depart

Return

Price

LouisvilleSanta Rosa

SDF - STS

SDFSTS

Louisville Intl

Tue 3/3

6:00 am-3:57 pm

2 stops12h 57m

Santa Rosa Sonoma County

Wed 3/4

4:27 pm-8:33 am

2 stops13h 06m

$579

LouisvilleSanta Rosa

SDF - STS

SDFSTS

Louisville Intl

Thu 12/4

1:42 pm-8:48 am

2 stops22h 06m

Santa Rosa Sonoma County

Mon 12/8

7:55 pm-8:04 pm

2 stops21h 09m

$699

LouisvilleSanta Rosa

SDF - STS

SDFSTS

Louisville Intl

Sun 3/8

5:55 am-9:53 pm

2 stops19h 58m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Compare providers for flights from Louisville to Santa Rosa

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 Louisville to Santa Rosa in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Louisville-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Santa Rosa flights, Cheapflights users trust Expedia the most. Expedia 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 Louisville-Santa Rosa 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 Louisville to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Louisville 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 Louisville to Santa Rosa

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

Currently, September is the cheapest month in which you can book a flight from Louisville to Santa Rosa (average of $114). Flying from Louisville to Santa Rosa in June is currently the most expensive (average of $213). 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.

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated October 31, 2025.
See what other customers who have flown with American Airlines from Louisville to Santa Rosa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,034 reviews

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.
American Airlines
7.2
Good
11,034 reviews
American Airlines
7.2
Good
11,034 reviews

Overall

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2024

LHR - SAN

This was the best flight I have experienced in all the years I have been f doing this journey with BA. Flight, food and service A1. Well done BA.

Related info for your journey

Find useful and relevant information for your journey from Louisville to Santa Rosa. 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 Louisville to Santa Rosa?

    For as low as $579, American Airlines can have you in Santa Rosa from Louisville in 12h 57m. Louisville and Santa Rosa are separated by a distance of 1994 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisville to Santa Rosa 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 Louisville to Santa Rosa?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Santa Rosa (average of $114). Flying from Louisville to Santa Rosa in June is currently the most expensive (average of $213). 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 Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Top airline flying from Louisville to Santa Rosa

Discover the top airline that operate flights from Louisville to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$646Average$802FlexibilityNo cancel feeOn-time71%

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