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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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — STS
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$579
(Alaska Airlines)

One-way from

$365
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$277
From Louisville Intl to Santa Rosa Sonoma County
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One-way flight from Louisville Intl to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Louisville to Santa Rosa

Best flights from Louisville to Santa Rosa
Discover carefully curated flight deals from Louisville to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 3/312:00 pmSDF - STS
2 stops10h 07mAlaska Airlines
Wed 3/47:00 amSTS - SDF
2 stops13h 45mAlaska Airlines
Deal found 9/13$579

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 September 15, 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

12:00 pm-7:07 pm

2 stops10h 07m

Santa Rosa Sonoma County

Wed 3/4

7:00 am-11:45 pm

2 stops13h 45m

$579

LouisvilleSanta Rosa

SDF - STS

SDFSTS

Louisville Intl

Wed 10/1

7:00 am-3:48 pm

2 stops11h 48m

$365

LouisvilleSanta Rosa

SDF - STS

SDFSTS

Louisville Intl

Wed 10/1

10:14 am-11:59 pm

3 stops40h 45m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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, February is the cheapest month in which you can book a flight from Louisville to Santa Rosa (average of $202). Flying from Louisville to Santa Rosa in June is currently the most expensive (average of $395). 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 September 15, 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
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Food

6.4

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, Alaska Airlines can have you in Santa Rosa from Louisville in 10h 07m. Louisville and Santa Rosa are separated by a distance of 1994 mi.

  • What is the cheapest airline to fly from Louisville to Santa Rosa round-trip?

    Cheapflights users have booked flights from Louisville to Santa Rosa round-trip from $616.

  • 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, February is the cheapest month in which you can book a flight from Louisville to Santa Rosa (average of $202). Flying from Louisville to Santa Rosa in June is currently the most expensive (average of $395). 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$778FlexibilityNo cancel feeOn-time71%

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