$152 Cheap Flights to San Luis

Jetting off in the low season and booking ahead of time are two smart ways to get cheap flights to San Luis. Or, consider flying on a Thursday, which, on average, is 16% cheaper than departing on a Sunday.* Want to be the first to know when fares fall? Just set up price tracking on the Expedia app to get real-time updates.*Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

For some of the best deals on domestic journeys, book your flight to San Luis 28 days ahead of your travel dates. For international flights, it's between two and four months in advance. This increases your chances of getting your preferred departure dates and seats.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.

Sundays are usually the best day to book a cheap flight to San Luis, with savings of about 8% on average compared to a Friday. If you purchase tickets on a Friday, expect to pay a higher price as this is often the most expensive day.**Best day of the week to book, depart and ideal booking window recommendations based on average round-trip ticket prices for January through August 2023, sourced from Airline Reporting Corporation's (ARC) global airline sales database. Percentages noted are averages.