How long is the flight from Santa Rosa to Louisville?

Airlines like Alaska Airlines fly from Santa Rosa to Louisville in about 11h 33m. 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.

In terms of precipitation, rainfall in Louisville ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Louisville when rainfall is around 3.1 in.

If weather is an important factor for your trip to Louisville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

How far in advance should I book a flight from Santa Rosa to Louisville?

To save on the cost of your flight from Santa Rosa to Louisville, book at least 41 days before your planned departure. Booking around this time can save you about 75% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $268 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $288.

What is the cheapest month to fly from Santa Rosa to Louisville?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Louisville. Flights to Louisville from Santa Rosa in October are about $425 on average during October, but can be found for as low as $179.

What is the cheapest time of day to fly from STS to SDF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Louisville as you normally would.

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.

$420+ Flights from Santa Rosa to Louisville

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Cheap flight deals from Santa Rosa to Louisville

Round-trip from	$639 (Alaska Airlines)
One-way from	$420 (American Airlines)
Popular in	December
Cheapest in	October
Average price	$363

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. 4% potential increase in price ($22 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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

Tue 3/107:00 amSTS - SDF

2 stops11h 33mAlaska Airlines

Wed 3/1112:03 pmSDF - STS

2 stops12h 55mAlaska Airlines

Deal found 9/12

$639

One-way flights from Santa Rosa to Louisville
Search for one-way flight options from Santa Rosa to Louisville. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Wed 9/2412:25 pmSTS - SDF

1 stop8h 15mAmerican Airlines

Deal found 9/12

$420

Wed 9/245:55 pmSTS - SDF

2 stops20h 47mAlaska Airlines

Deal found 9/12

$430

Wed 9/243:07 pmSTS - SDF

3 stops51h 57mMultiple Airlines

Deal found 9/12

$551

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Tue 3/10

7:00 am-9:33 pm

2 stops11h 33m

Louisville Intl

Wed 3/11

12:03 pm-9:58 pm

2 stops12h 55m

$639

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Wed 9/24

12:25 pm-11:40 pm

1 stop8h 15m

$420

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Wed 9/24

5:55 pm-5:42 pm

2 stops20h 47m

$430

Santa RosaLouisville

STS - SDF

STSSDF

Santa Rosa Sonoma County

Wed 9/24

3:07 pm-10:04 pm

3 stops51h 57m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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, January is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $299). Flying from Santa Rosa to Louisville in April is currently the most expensive (average of $369). 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

How long is the flight from Santa Rosa to Louisville?
Airlines like Alaska Airlines fly from Santa Rosa to Louisville in about 11h 33m. 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, January is the cheapest month in which you can book a flight from Santa Rosa to Louisville (average of $299). Flying from Santa Rosa to Louisville in April is currently the most expensive (average of $369). 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.

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$420+ Cheap flights from Santa Rosa to Louisville (STS - SDF)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Santa Rosa to Louisville with Cheapflights

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Cheap flight deals from Santa Rosa to Louisville

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Find flight deals from Santa Rosa to Louisville

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

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

Cheapflights Fare Finder

Use the filters below to find and compare flights from Santa Rosa to Louisville that are best for you.

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.

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?

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?

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

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

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

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

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