$130 Find Cheap Flights from Mexico to Ontario - Compare and Save

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Cheap Flights from Mexico to Ontario

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Mexico to Ontario

Tue, Apr 27 - Sat, May 1
Volaris Logo
7:57 pm - 10:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Volaris Logo
11:47 pm - 4:00 amONT  Ontario-MLM Morelia
3h 13mnonstop
$206Volaris
Tue, Apr 20 - Sat, Apr 24
Volaris Logo
7:57 pm - 10:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Volaris Logo
11:47 pm - 4:00 amONT  Ontario-MLM Morelia
3h 13mnonstop
$207Volaris
Tue, Apr 13 - Sat, Apr 17
Volaris Logo
7:57 pm - 10:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Volaris Logo
11:47 pm - 4:00 amONT  Ontario-MLM Morelia
3h 13mnonstop
$207Volaris
Tue, Mar 9 - Sat, Mar 13
Volaris Logo
7:57 pm - 9:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Volaris Logo
11:47 pm - 5:00 amONT  Ontario-MLM Morelia
3h 13mnonstop
$207Volaris
Fri, Dec 4 - Tue, Dec 8
Multiple Airlines Logo
9:02 pm - 10:15 pmGDL  Guadalajara Miguel Hidal-ONT Ontario
3h 13mnonstop
Multiple Airlines Logo
11:00 am - 1:15 amONT  Ontario-GDL Guadalajara Miguel Hidal
12h 15m2 stops Las Vegas Harry Reid Intl Houston George Bush Intcntl
$303Multiple Airlines
Tue, Dec 1 - Sat, Jan 23
Frontier Logo
12:05 pm - 6:11 pmMEX  Mexico City Benito Juarez-ONT Ontario
8h 06m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:02 am - 9:10 pmONT  Ontario-MEX Mexico City Benito Juarez
11h 08m1 stop Las Vegas Harry Reid Intl
$310Frontier
Tue, Dec 1 - Wed, Jan 20
Frontier Logo
12:05 pm - 6:11 pmMEX  Mexico City Benito Juarez-ONT Ontario
8h 06m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:02 am - 9:10 pmONT  Ontario-MEX Mexico City Benito Juarez
11h 08m1 stop Las Vegas Harry Reid Intl
$310Frontier
Tue, Jan 19 - Wed, Jan 27
Frontier Logo
9:45 am - 5:55 pmGDL  Guadalajara Miguel Hidal-ONT Ontario
10h 10m1 stop Las Vegas Harry Reid Intl
Frontier Logo
6:30 am - 5:28 pmONT  Ontario-GDL Guadalajara Miguel Hidal
8h 58m1 stop Denver Intl
$316Frontier
Thu, Nov 26 - Mon, Nov 30
Multiple Airlines Logo
7:57 pm - 9:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Multiple Airlines Logo
2:01 pm - 8:45 pmONT  Ontario-MLM Morelia
28h 44m3 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl Houston George Bush Intcntl
$325Multiple Airlines
Thu, Nov 26 - Mon, Nov 30
Multiple Airlines Logo
7:57 pm - 9:29 pmMLM  Morelia-ONT Ontario
3h 32mnonstop
Multiple Airlines Logo
6:45 am - 8:45 pmONT  Ontario-MLM Morelia
36h 00m2 stops Denver Intl Houston George Bush Intcntl
$326Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Ontario

Get data-powered insights and trends for flights to Ontario to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Ontario?

In the last 5 days, the cheapest flight deal to Ontario was found on the route from León, at $206 return. The most popular connection is from Guadalajara to Ontario and KAYAK users have found round-trip deals for as low as $283 in the last 5 days.

How much is a flight to Ontario?

A flight to Ontario costs $271 on average. The cheapest price found on KAYAK in the last 2 weeks cost $175 and departed from San José del Cabo. The most popular routes on KAYAK are San José del Cabo to Ontario which costs $182 on average, and Guadalajara to Ontario, which costs $271 on average.

What is the cheapest day to fly to Ontario?

Based on KAYAK data, the cheapest day to fly to Ontario is Wednesday where round-trip tickets can be as cheap as $287. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $404 on average.

What is the cheapest month to fly to Ontario?

The cheapest month for flights to Ontario is February, where tickets cost $320 on average for return flights. On the other hand, the most expensive months are December and November, where the average cost of tickets from Mexico is $427 and $417 respectively. For one-way flights, the best month to travel is March with an average price of $199.

What is a good deal for flights to Ontario?

If you’re looking for cheap airfare to Ontario, 25% of our users found tickets to Ontario for the following prices or less: From San José del Cabo $175 round-trip, from Guadalajara $216 round-trip.

Good to know

Low season

February

Cheapest flight

$130
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from León to Ontario

FAQs - booking Ontario flights

  • What is the cheapest flight to Ontario?

    In the last 5 days, the cheapest flight deal to Ontario was found on the route from León, at $206 return. The most popular connection is from Guadalajara to Ontario and KAYAK users have found round-trip deals for as low as $283 in the last 5 days.

  • How far is Ontario Airport from central Ontario?

    The city center of Ontario is 3 miles from Ontario Airport.

  • What is the name of Ontario’s airport?

    Ontario is served by Ontario Airport, also commonly referred to as Ontario or Ontario Intl. The airport code is ONT.

  • How much is a flight to Ontario?

    On average, a flight to Ontario costs $271. The cheapest price found on KAYAK in the last 2 weeks cost $175 and departed from San José del Cabo Los Cabos Airport.

  • How does KAYAK find such low prices on flights to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to Ontario

  • Looking for cheap airfare to Ontario? 25% of our users found round-trip tickets to Ontario for the following prices or less: From Guadalajara $220

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Reviews of the top airlines flying from Mexico to Ontario

 
Need help choosing which airline to fly with to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
6.6
VolarisOverall score based on 1105 reviews
4.9Entertainment
5.3Food
6.3Comfort
6.5Boarding
7.3Crew
Airline reviews

My seat was double sold, so It had to be sorted before I could board. No wifi entertainment, it was offline.

6.0 GoodAnonymous, Oct 2026
Read more Volaris reviews

My seat was double sold, so It had to be sorted before I could board. No wifi entertainment, it was offline.

Hate it. They do not provide any food or drinks during the flight, unless you pay. They also charge a ton of money to bring a carry on bag. And their customer service is the worst. I will never fly with them again.

Unfortunately it was not a good flight got canceled had to be at the airport all night long to get a different flight to another airport my first flight with Volaris was very bad. Poor services

Better communication about delayed flight. I am thankful for a small credit for late flight.

Terrible. And they charged over $400 just for luggage. And threatened that I would loose my flight if I didn’t pay. So I didn’t have another choice but to pay.

The flight was delayed an hour and a half, and they would not update the board on when the flight was supposed to take off. Once the plane arrived, they started the boarding process before the plane was even ready for the passengers so we had to wait another 45 minutes on the tarmac while we waited for the plane to be ready for us. In my opinion, there is no point in starting the boarding process when you are not ready to board the plane. This just causes a crowded gate with everyone from zone one and zone two standing up going nowhere.

My experience was good. But it seems that every time I go on Volaris the plane is always full, not sure if because the price is cheaper. And the flight attendants kept hitting my shoulder every time they walked by the aisle with their food cart. I’m 6’4” so I barely fit in the seat next to the aisle. Plus the seat was defective. I had a hard time raising the lever where I rest my left arm. I tried calling the flight attendant 3 times if she could assist me but she was too busy talking in the back with her fellow flight attendants. Finally after 20 mins she looked my way and she too struggled to fix the problem but she finally raised it so I could get out of my seat.

I never got an email for checking in for my flight back to Los Angeles so I got to airport extra early to sort it. they changed the gate, and so I had to run to the other end of the airport. Their app is wonky. They are not on WhatsApp and I didn’t have cell service to call for help. I think they need to up their game with communicating.

Inept company. Won't fly again with them if I can help it. Plane was the wrong size and they couldn't board 20 people.

When you make the 3 Lines to board de airplane , I believe that you should make only one line first and then call the next and then last ,,, because the number 3 wait to long just standing there ,, my opinion !!!

It got me to my destination? However we were an hour delayed departing, and we never received any updates or notifications from staff. Poor communication and customer service.

My experience with Frontier was terrible. We were delayed for 2 hours. At one point during the wait at the gate I left to go get a sandwich - I was gone probably 15 minutes. In my absence, they decided to move our flight up, boarded and left. When I came back the two attendants were very rude and I unavoidably had to purchase another ticket on the next flight. During this whole time, the Frontier app did not update the departure time, so I was SOL.

Flight was delayed by about an hour, once we arrived at LAX we had to take a shuttle to the baggage claim - it was completely disorganized. The agents at the shuttles were rude and unable to provide any information. Frontier charges extra for everything from bags to drinks - at the end it ends up being more expensive than flying the better airlines

Tiny seats, no entertainment, no amenities, delays, they charge for carry on and their allowed personal item is smaller than in other airlines.

I really didn't like anything. Paid for my checked luggage online ($79) and then was told that I would have to paid another $79 for my carry on. Was not allowed to enter the terminal until 3 hours before my flight and when I finally was allowed to check my bag and enter, my flight was delayed 3 times. When I finally landed, we were all instructed to "run off the plane" as they had to do a quick turn around to Las Vegas. Me and several of my flying companions will never fly Frontier again.

The crew was mostly okay. The flight attendant who answered our questions was curt and unhelpful unfortunately. He seemed upset and I understand having off days.

Flight was cancelled and was not able to get another flight thru Frontier. Per frontier a refund was issued but I do not see a refund on my Afirm account.

The agent at check-in was strident, unwelcoming, and condescending to customers ahead of me.

Was charged 99 dollars for a bag despite agents previously telling me it would be ok. Customer service was unhelpful

I will like you ( Frontier Airlines) to fly into LAX instead of ONT because I live in LA and the subway takes me to my house in just 15 minutes

More options for your flight to Ontario