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$48+ Cheap flights from Riverside, CA to Louisville (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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SDF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Riverside to Louisville Intl are usually found in August or June, booked 22 days in advance, depart on a Friday or Wednesday and return on a Sunday

Cheap flight deals from Riverside to Louisville

Keep the following information in mind while searching for Riverside to Louisville flight deals. Data was last updated July 3, 2025.

Round-trip from

$101
(FlightHub)

One-way from

$48
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$295
From Riverside to Louisville Intl
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One-way flight from Riverside to Louisville Intl
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Highest demand for flights based on searches. 25% potential increase in price ($124 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Riverside to Louisville

Cheapest flights from Riverside to Louisville
Explore the most affordable flight options available from Riverside to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/168:35 amLAX - SDF
Nonstop4h 01mSpirit Airlines
Mon 7/216:26 pmSDF - LAX
Nonstop4h 30mSpirit Airlines
Deal found 7/2$101

Cheapflights Fare Finder

Customize your flight search to find flights from Riverside 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 July 3, 2025.
Use the filters below to find and compare flights from Riverside to Louisville that are best for you.

Fly from

Riverside

Fly to

Louisville

Route

Depart

Return

Price

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Wed 7/16

8:35 am-3:36 pm

Nonstop4h 01m

Louisville Intl

Mon 7/21

6:26 pm-7:56 pm

Nonstop4h 30m

$101

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Fri 7/18

10:18 am-5:18 pm

Nonstop4h 00m

$48

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Sat 8/2

5:00 am-4:40 pm

2 stops8h 40m

$126

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Tue 8/19

12:45 am-11:44 am

1 stop7h 59m

$128

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Mon 8/11

9:40 pm-8:56 am

1 stop8h 16m

$129

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Thu 8/14

6:00 am-10:08 am

2 stops25h 08m

$140

Los AngelesLouisville

LAX - SDF

LAXSDF

Los Angeles

Sun 8/10

12:08 am-9:57 am

1 stop6h 49m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Riverside to Louisville

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

How far ahead should I book a flight from Riverside to Louisville?

Use this chart to determine the optimal time to book a round-trip flight from Riverside to Louisville. Price data was last updated on June 27, 2025.

The best time to book flights from Riverside to Louisville is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Riverside to Louisville (average of $299). Flying from Riverside 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.

What is the cheapest time of day to fly from R1V to SDF?

Find hourly flight availability from Riverside to Louisville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Riverside to Louisville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Riverside to Louisville?

Use this chart to determine the cheapest time to fly round-trip from Riverside to Louisville. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Riverside to Louisville flight should consider departing on Monday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Riverside to Louisville?

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Riverside to Louisville, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,982 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,861 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Spirit Airlines
6.3
Okay
8,086 reviews
Southwest
8.0
Very good
4,266 reviews

Boarding

8.2

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.6

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

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

  • What airport do you fly into for flights to Louisville from Riverside?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Riverside to Louisville. 5 airlines have flights to Louisville Intl from Riverside on a regular basis. Booking flights from Riverside to Louisville Intl should not be difficult; the airport handles an average of 0 inbound flights from Riverside per day.

  • How popular is this Riverside to Louisville flight route?

    Within the past month, 8 users have taken a look at flights from Riverside to Louisville Intl.

  • What are the cheapest airlines to fly from Riverside to Louisville one-way?

    The cheapest airlines for a one-way flight from Riverside to Louisville are Spirit Airlines ($48), Southwest ($126), and American Airlines ($128).

  • What are the cheapest flights from Riverside to Louisville?

    On average you can expect to pay $132 for a flight from Riverside to Louisville. The cheapest flight overall is $48 while the most popular route, (Los Angeles - Louisville Intl) is currently priced at $99.

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

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

  • How can I find direct flights from Riverside to Louisville?

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

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

    Yes. Cheapflights offers flight deals from Riverside 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 Riverside to Louisville?

    Currently, January is the cheapest month in which you can book a flight from Riverside to Louisville (average of $299). Flying from Riverside 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.

See more FAQs

Traveling to a place near Riverside?

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

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Top 5 airlines flying from Riverside to Louisville

Discover the top 5 airlines that operate flights from Riverside to Louisville. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$201FlexibilityNo cancel feeOn-time65%
DeltaCheapest$258Average$428FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$473FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$294Average$548FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$326Average$490FlexibilityNo cancel feeOn-time69%

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