Cheap flights from San Diego, CA to Louisville, KY

Choose between Spirit Airlines, Frontier Airlines, or United Airlines to find the best price

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to Louisville

Most popular airline

NoResults
Sorry, we couldn't find any results
NoResults
Sorry, we couldn't find any results
Mailbox
Receive exclusive deals by email
Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Louisville. The most popular airlines for this route are Spirit Airlines, Frontier Airlines, United Airlines, Alaska Airlines, and Allegiant Air. San Diego and Louisville have 209 direct flights per week.

Check-in for a flight from San Diego to Louisville

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
United AirlinesUALUAYesNo
Alaska AirlinesASAASNoOpens 24 days before flight
Closes 1 hours before flight
Allegiant AirAAYG4NoOpens 24 days before flight
Closes 1 hours before flight

Louisville travel tips

1) Snack on some beer cheese
2) The Waterfront park is a great place to stay
3) Visit the birthplace of the birthday song

Weather in Louisville

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January4°C-3°C
February7°C-1°C
March13°C3°C
April18°C8°C
May24°C13°C
June28°C18°C
July30°C20°C
August30°C19°C
September27°C15°C
October20°C9°C
November12°C3°C
December7°C0°C
Hottest Month
30°C
July
Coldest month
-3°C
January
Sunny days
258
days per year
Snow days
10
days per year

14 day forecast

Sunday
5 May
86%
26°C16°C
12 May
89%
17°C10°C
Monday
6 May
93%
22°C17°C
13 May
85%
15°C7°C
Tuesday
7 May
87%
25°C17°C
14 May
21°C7°C
Wednesday
8 May
88%
28°C18°C
15 May
86%
22°C13°C
Thursday
9 May
89%
23°C16°C
16 May
84%
27°C17°C
Friday
10 May
85%
16°C12°C
17 May
77%
27°C17°C
Saturday
11 May
81%
20°C9°C
18 May
88%
24°C17°C

Frequently asked questions

What are the most popular routes to and from San Diego?
What are the most popular routes to and from Louisville?
Which airports are there in San Diego?
What airports are near San Diego?
What airports are near Louisville?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between San Diego and Louisville?
What is Virtual Interlining and how do I use it?
Which airlines fly between San Diego and Louisville?
When's the best time to travel between San Diego and Louisville?
What flights operate between San Diego and Louisville?
How many airports are there near San Diego?
How many airports are there near Louisville?
What time do nonstop (direct) flights between San Diego and Louisville depart?
What time do nonstop (direct) flights between San Diego and Louisville arrive?
What time do flights between San Diego and Louisville depart?
What time do flights between San Diego and Louisville arrive?

Explore alternative trips

Flights from San Diego

Flights to Louisville

Popular routes

The nearest countries with flights to Louisville

Here is a list of countries people are flying from

Other destination countries from San Diego

Here is a list of countries people are flying to
Find the best connection from San Diego to Louisville
Search flights, trains & buses
We hack the system,
you fly for less