Cheap flights from Ontario to Mexico City from $116
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Mexico City departing on 8/14. 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 Ontario to Mexico City
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Volaris flights from Ontario to Mexico City
Our best Volaris deals on Ontario to Mexico City flight tickets
Frontier flights from Ontario to Mexico City
Our best Frontier deals on Ontario to Mexico City flight tickets
See travel insights to Mexico City from
How to get the cheapest flight ticket from Ontario to Mexico City
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 Mexico City?
The cheapest month to fly to Mexico City from Ontario is in April. Flight prices, which tend to average around $292, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Mexico City from Ontario during February instead. Flights to Mexico City in February, while not as cheap as those in April, still average around $357.
What is the cheapest day to depart on your flight to Mexico City?
Our data shows that Monday is the least expensive day to fly to Mexico City. Tickets to fly out on this day can be as low as $403. On the other hand, Friday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $423.
What is the cheapest time of day to depart on your flight to Mexico City?
According to our data, the cheapest time of day to fly to Mexico City is in the evening. momondo users have found flights departing from Ontario to Mexico City in the evening for as low as $348. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. At noon is when there is more demand to fly to Mexico City, so prices are often more expensive at around $488 per ticket.
How far in advance should I book a flight to Mexico City?
You are more likely to see cheaper flights to Mexico City from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Mexico City for around $432 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Mexico City from Ontario for as low as $309 on momondo.
What is the cheapest airline that flies from Ontario to Mexico City Benito Juarez?
Volaris, Frontier, and Avianca are the most popular carriers operating from Ontario to Mexico City Benito Juarez
What airlines fly to Mexico City?
Viva, Delta and Volaris are the top three most popular airlines that fly to Mexico City from Ontario according to our data. Viva is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Mexico City. Keep in mind that there are 8 different airlines that fly to Mexico City on a routine basis, so you have a few additional options to choose from.
When to book flights from Ontario to Mexico City
Cheap Ontario to Mexico City (ONT to MEX) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ontario to Mexico City
How far is Ontario to Mexico City Benito Juarez by plane?
The straight-line distance from Ontario to Mexico City Benito Juarez is 1519.3 mi. By plane, this route typically takes 6h 41m.
When did momondo last update prices for flights from Ontario Airport to Mexico City Benito Juarez Airport?
Prices for flights from Ontario Airport to Mexico City Benito Juarez Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to Mexico City Benito Juarez Airport?
As of June 2025, there are 5 operators available to choose from for flights from Ontario Airport to Mexico City Benito Juarez Airport.
How old do you have to be to fly from Ontario Airport to Mexico City Benito Juarez 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 Ontario Airport to Mexico City Benito Juarez Airport.
What documentation or ID do you need to fly to Mexico City Benito Juarez Airport?
The travel and health documents required for your trip to Mexico City Benito Juarez Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Mexico City Benito Juarez Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Mexico City?
Based on momondo bookings for flights between Ontario and Mexico City, the leading airline is Volaris, making up 66% of the total bookings. Other popular airlines include American Airlines with 18%, United Airlines with 6%, and Viva with 6%.
Best airlines flying from Ontario to Mexico City
Compare and see reviews for airlines that fly from Ontario to Mexico City with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $228 | Free Cancellation | Rating 6.9 787 reviews | |||
| PriceFrom $245 | Free Cancellation | Rating 7.5 1,714 reviews | |||
| PriceFrom $280 | Free Cancellation | Rating 6.7 1,170 reviews | |||
| PriceFrom $514 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $531 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Mexico City?
Book flights to Mexico City if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to Mexico City?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Mexico City. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to Mexico City with flexible booking policies on momondo?
Yes. All flights to Mexico City from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to Mexico City?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Mexico City from Ontario.
I’m not ready to book a flight from Ontario to Mexico City right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Mexico City, momondo offers a useful price alert feature which will track prices for flights to Mexico City from Ontario and alert you when they change.