Cheap flights from Louisville to San Diego from $98
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to San Diego departing on 5/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Louisville to San Diego
Cheap round-trip flights
Cheap one-way flights
Spirit Airlines flights from Louisville to San Diego
Our best Spirit Airlines deals on Louisville to San Diego flight tickets
United Airlines flights from Louisville to San Diego
Our best United Airlines deals on Louisville to San Diego flight tickets
See travel insights to San Diego from
How to get the cheapest flight ticket from Louisville to San Diego
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to San Diego?
If you are unable to visit San Diego during the month of August, then departing from Louisville during the month May is also very affordable. Most momondo users find prices during this month for around $407.
What is the cheapest day to depart on your flight to San Diego?
The cheapest day to depart from Louisville to San Diego is on a Wednesday. Travelers who choose to depart for San Diego on a Wednesday will often find tickets for as low as $416. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.
What is the cheapest time of day to depart on your flight to San Diego?
The cheapest time of day to fly to San Diego is in the evening when flights can be purchased for as low as $393. Flights at noon are often more expensive with an average ticket price of $520.
How far in advance should I book a flight to San Diego?
You are more likely to see cheaper flights to San Diego from Louisville when booking 20 weeks ahead of your departure date. In general, you can expect to find flights to San Diego for around $453 when searching 20 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Diego from Louisville for as low as $355 on momondo.
What is the cheapest airline that flies from Louisville Intl to San Diego?
Spirit Airlines, American Airlines, and Sun Country Air are the most popular carriers operating from Louisville Intl to San Diego
What airlines fly to San Diego?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to San Diego from Louisville according to our data. American Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 7 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.
When to book flights from Louisville to San Diego
Cheap Louisville to San Diego (SDF to SAN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Louisville to San Diego
How far is Louisville Intl to San Diego by plane?
The straight-line distance from Louisville Intl to San Diego is 1797.3 mi. Flights usually cover this in 6h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Louisville Intl Airport to San Diego Airport?
Prices for flights from Louisville Intl Airport to San Diego Airport were last updated today.
How many operators does momondo search for flights from Louisville Intl Airport to San Diego Airport?
As of May 2025, there are 5 operators available to choose from for flights from Louisville Intl Airport to San Diego Airport.
How old do you have to be to fly from Louisville Intl Airport to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The required travel and health documents for your San Diego Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Diego Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Louisville to San Diego?
momondo data reveals that the most frequently booked airline on the route from Louisville to San Diego is American Airlines, representing 52% of all bookings. The subsequent popular airlines are Southwest at 17%, Delta at 14%, and United Airlines at 9%.
Best airlines flying from Louisville to San Diego
Compare and see reviews for airlines that fly from Louisville to San Diego with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $158 | Free Cancellation | Rating 6.3 7,963 reviews | |||
| PriceFrom $310 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $326 | Free Cancellation | Rating 8.0 7,934 reviews | |||
| PriceFrom $362 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $379 | Free Cancellation | Rating 8.0 4,294 reviews |
Traveling to a place near San Diego?
Book flights to San Diego if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Louisville to San Diego?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to San Diego. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Louisville to San Diego with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Diego from Louisville with this policy.
How can momondo help me find flights from Louisville to San Diego?
momondo helps you find the best flight between Louisville and San Diego by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Louisville to San Diego right now. Can momondo alert me if prices change?
Price alerts on flights to San Diego from Louisville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.