Vuelos de Frontier Airlines de San Antonio (SAT) a Aeropuerto Internacional LA/Ontario (ONT) desde $75

It’s always wise to know about any travel advice reports and quarantine requirements in place in your destination city. Ensure you check out the Covid-19 Travel Advisor for up-to-date information on booking a flight to Los Angeles - Ontario Intl. Airport (ONT) from SAT.

You should find out which terminal Frontier Airlines operates from at San Antonio Intl. Airport (SAT) once you’re issued with your ticket. The same goes for information about your arrival at ONT. If those details are missing, ask your airline.

If you’re flying with Frontier Airlines from San Antonio Intl. Airport (SAT) to Ontario Airport, you’ll have to make a stopover. While you’re waiting for your connection, use the time to grab a refreshment or explore the airport shops.

As it’ll take around 4 hours and 15 minutes for your Frontier Airlines flight to journey from SAT to Los Angeles - Ontario Intl. Airport (ONT), consider sticking a few travel games in your carry-on bag. You never know — the person sitting next to you might appreciate the opportunity to play to break up the trip.

No fewer than 9 Frontier Airlines flights service the route between SAT and ONT per week.

For more info about changing your flight to Ontario Airport, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.