$110 Find Cheap Flights from Mexico to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 7/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Mexico to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Mexico to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Mexico to Ontario

Tue, Jul 22 - Fri, Jul 25
Volaris Logo
8:43 am - 11:00 amBJX-ONT
3h 17mnonstop
Volaris Logo
11:59 pm - 4:00 amONT-BJX
3h 01mnonstop
$187Volaris
Find Deal
Thu, Jul 17 - Mon, Jul 21
Volaris Logo
3:54 pm - 6:19 pmSJD-ONT
2h 25mnonstop
Volaris Logo
12:40 pm - 3:04 pmONT-SJD
2h 24mnonstop
$195Volaris
Find Deal
Thu, Aug 7 - Sun, Aug 10
United Airlines Logo
11:10 am - 5:43 pmSJD-ONT
6h 33m1 stop
United Airlines Logo
6:10 am - 11:58 amONT-SJD
5h 48m1 stop
$266United Airlines
Find Deal
Tue, Jul 22 - Wed, Jul 30
Frontier Logo
3:25 pm - 11:50 pmCUN-ONT
10h 25m1 stop
Frontier Logo
12:59 am - 4:20 pmONT-CUN
13h 21m1 stop
$268Frontier
Find Deal
Fri, Aug 22 - Tue, Aug 26
Frontier Logo
5:18 pm - 7:21 pmGDL-ONT
3h 03mnonstop
Frontier Logo
1:09 am - 5:14 amONT-GDL
3h 05mnonstop
$274Frontier
Find Deal
Thu, Jul 17 - Mon, Jul 21
United Airlines Logo
11:32 am - 5:25 pmSJD-ONT
29h 53m2 stops
United Airlines Logo
6:28 pm - 12:10 pmONT-SJD
17h 42m1 stop
$303United Airlines
Find Deal
Fri, Aug 29 - Mon, Sep 1
Delta Logo
4:10 pm - 10:40 pmCUN-ONT
8h 30m1 stop
Delta Logo
6:05 am - 3:10 pmONT-CUN
7h 05m1 stop
$306Delta
Find Deal
Wed, Jul 16 - Tue, Jul 29
Delta Logo
4:20 pm - 11:42 pmCUN-ONT
9h 22m1 stop
Delta Logo
10:05 pm - 5:25 pmONT-CUN
17h 20m2 stops
$308Delta
Find Deal
Thu, Aug 21 - Sun, Aug 24
Aeromexico Logo
12:40 pm - 11:40 pmSJD-ONT
11h 00m1 stop
Aeromexico Logo
6:05 am - 11:35 amONT-SJD
5h 30m1 stop
$318Aeromexico
Find Deal
Sat, Sep 13 - Sun, Sep 14
Aeromexico Logo
4:00 pm - 10:43 pmPVR-ONT
7h 43m1 stop
Aeromexico Logo
6:00 am - 2:45 pmONT-PVR
7h 45m1 stop
$321Aeromexico
Find Deal
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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?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

In the last 3 days, the cheapest flight deal to Ontario was found on the route from León, at $187 return. The most popular connection is from Guadalajara to Ontario and KAYAK users have found round-trip deals for as low as $274 in the last 3 days.

How much is a flight to Ontario?

The average and cheapest price for all round-trip flights to Ontario from each origin found by users searching on KAYAK in the last month.

A flight to Ontario costs $213 on average. The cheapest price found on KAYAK in the last 2 weeks cost $114 and departed from Morelia. The most popular routes on KAYAK are San José del Cabo to Ontario which costs $192 on average, and Guadalajara to Ontario, which costs $225 on average.

See prices from:

What is the cheapest month to fly to Ontario?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights to Ontario, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights to Ontario is October, where tickets cost $347 on average for return flights. On the other hand, the most expensive months are August and April, where the average cost of tickets from Mexico is $607 and $593 respectively. For one-way flights, the best month to travel is October with an average price of $347.

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 $192 round-trip, from Guadalajara $200 round-trip.


Good to know

Low seasonJanuary
High seasonJuly
Cheapest flight$110
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from León to Ontario

FAQs - booking Ontario flights

  • What is the cheapest flight to Ontario?

    In the last 3 days, the cheapest flight deal to Ontario was found on the route from León, at $187 return. The most popular connection is from Guadalajara to Ontario and KAYAK users have found round-trip deals for as low as $274 in the last 3 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 $213. The cheapest price found on KAYAK in the last 2 weeks cost $114 and departed from Morelia Airport.

  • What is the cheapest day to fly to Ontario?

    Based on KAYAK data, the cheapest day to fly to Ontario is Friday where round-trip tickets can be as cheap as $245. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $368 on average.

  • 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.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the morning, when round-trip flights cost $447 on average. The most expensive time of day to fly to Ontario is generally in the morning, which is peak travel time and where the average cost of a ticket is $447.

  • How many direct flights to Ontario are there each week?

    Each week there are around 570 direct flights from within Mexico to Ontario. The most common day for departures is Friday, with 15% of flights taking off on this day.

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 $190
  • 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

 
See real verified KAYAK customer reviews for airlines flying to Ontario. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from Mexico to Ontario. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
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 1172 reviews
5.0Entertainment
5.4Food
7.3Crew
6.4Comfort
6.6Boarding
Airline reviews

In Mexico charges too much for my luggage and I ask for help and nothing one lady she just disappeared 😡😡😡😡😡never going to fly there

2.0 MediocreAnonymous, Jun 2025MEX - ORD
Read more Volaris reviews

In Mexico charges too much for my luggage and I ask for help and nothing one lady she just disappeared 😡😡😡😡😡never going to fly there

The check-in is either at a kiosk that didn’t allow me to check-in because my middle name was not on the reservation or at an agent that cost $15.

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

Liked on time, rear entry and exit from plane Dislike the use of duct tape to repair seat rests

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.

They check you everything before entering to waiting room, if you have any liquid they take it away even if you buy it inside the airport, no recommend volaris, for mi know Alaska airline is better

They don’t give anything for free you have to pay for everything which it’s expected but at least give out water and a snack as a courtesy for flying with them.

I got to where I needed to go quickly. There were no amenities. And the seats were painful.

The worst. Kayak sent notification at 2am and 10am regarding the delay. Then sends a notification an hour before original depart time that it will depart on time. I had to wait 8 hours at the airport. My family had to pay for lodging in Guadalajara where I was landing for pick up.

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 flight was delayed by two hours which made it so that I would miss my layover flight. I stood in line for customer service for over an hour and when I reached the agent she told me to scan a QR code and it'll give me options. I wasn't offered any help, guidance or compensation, only told that I have options but that I had to figure it all out myself. I was refunded part of the trip and had to buy an expensive same day ticket from another airline in order to get home. I will never fly Frontier again.

We were delayed three times ,and that destroyed my plans, and reservations

Very bad! No good service delayed my second connection flight

The confirmation # CK8GNW and my name was not recognized/in Frontier system. I was able to check in on Frintier app so i went to the Frontier ticket agent, at time they told me that my name/ confirmation did not show up as a purchased ticket. I had to purchase a new ticket that cost $289.00 one way.

Flight was late. Missed connecting in Denver. My new flight is more than 24 hours later and I have no room, vouchers, or compensation, and might also be bumped from the one tomorrow.

Frontier is terrible. Paid for exit row, not given exit row, refused to refund fee.

2 hour delay due to late plane, wrong size plane causing overbooking, and people getting off and on the plane after boarding was completed.

They canceled flight. Hard to believe there was even a plane incoming for us to get on

Plane was down graded and I lost my uncharged exit row with more leg room. No mention or offer of refund from podium. Flight attendant was nice to explain this happens often and that I could request a refund via online form submission. I did this and have heard nothing back.

Horrendous. I do not recommend Frontier. The passengers lack manners and decency, and the flight attendants lack professionalism. If I wasn’t in a bind to fly with 48 hours notice for a job interview, I would not have selected a flight with Frontier and I never plan to fly with them in the future.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

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