Cheap flights from Ontario to Mexico from $110

If you’re not able to fly to Mexico in August, then September is your next best option. Flight prices from Ontario to Mexico during September average around $77.

Fly from Ontario to San José del Cabo Los Cabos for the best Ontario - Mexico flight prices

You are more likely to see cheaper flights to Mexico from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico for around $492 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico from Ontario for as low as $422 on momondo.

There are 2 cabin classes available to choose from on Ontario to Mexico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Volaris, Aeromexico, and Southwest are the most popular carriers operating from Ontario to Mexico

Volaris, Viva and Alaska Airlines are the top three most popular airlines that fly to Mexico from Ontario according to our data. Volaris is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Mexico. Keep in mind that there are 12 different airlines that fly to Mexico on a routine basis, so you have a few additional options to choose from.

Historically, on average around 13% of flights between Ontario and Mexico have experienced a delay on any given week. The average delay length over the past 12 months has been 119 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, Volaris have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

As of June 2026, 4 flights take off from Ontario and land in Mexico each day. The most common flight departure time for this route is 12:00AM, with 44% of daily flights taking off in the morning.

As of June 2026, 32 flights take off from Ontario and land in Mexico each week. The most common flight departure day for this route is Tue, with 19% of weekly flights taking off on this day.