ONT - MTY

$165 Find Cheap Flights from Ontario to Monterrey

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Monterrey departing on 1/22. 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
0 bags

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Monterrey, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Monterrey, as well as popular online travel agencies
In the last 7 days travelers have searched 46,646,933 times on KAYAK, and here is why:

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Cheap Flight Deals from Ontario to Monterrey (ONT-MTY)

 
These are the cheapest deals for flights from Ontario to Monterrey currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Ontario to Monterrey

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ontario to Monterrey.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
7:45 am - 5:55 pmONT-MTY
8h 10m1 stop
6:00 am - 6:43 pmMTY-ONT
14h 43m1 stop
Tue, Dec 3 - Thu, Dec 5
7:45 am - 5:55 pmONT-MTY
8h 10m1 stop
10:35 pm - 3:06 pmMTY-ONT
18h 31m2 stops
Tue, Dec 3 - Thu, Dec 5
8:52 am - 9:37 pmONT-MTY
11h 45m1 stop
5:54 am - 8:03 pmMTY-ONT
15h 09m1 stop
$572American Airlines
Find Deal
Thu, Apr 3 - Sun, Apr 6
6:47 am - 6:40 pmONT-MTY
10h 53m1 stop
6:25 pm - 9:33 amMTY-ONT
16h 08m1 stop
$583American Airlines
Find Deal
Thu, Apr 3 - Sat, Apr 5
1:57 pm - 5:09 amONT-MTY
13h 12m1 stop
6:00 am - 1:16 pmMTY-ONT
9h 16m1 stop
$647United Airlines
Find Deal
Thu, Dec 26 - Wed, Jan 1
6:02 am - 2:58 pmONT-MTY
7h 56m1 stop
6:00 am - 10:05 pmMTY-ONT
17h 05m1 stop
$653United Airlines
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Thu, Apr 3 - Sun, Apr 6
12:58 am - 12:21 amONT-MTY
21h 23m2 stops
10:35 am - 11:01 pmMTY-ONT
14h 26m2 stops
$696Volaris
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Thu, Dec 5 - Mon, Dec 9
12:58 am - 9:16 amONT-MTY
6h 18m1 stop
3:58 pm - 11:01 pmMTY-ONT
9h 03m1 stop
$736Volaris
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Mon, Dec 2 - Sun, Dec 8
7:00 am - 2:37 pmONT-MTY
30h 37m2 stops
3:27 pm - 4:22 pmMTY-ONT
25h 55m3 stops
$862Alaska Airlines
Find Deal
Thu, Apr 3 - Sat, Apr 5
7:00 am - 2:37 pmONT-MTY
30h 37m2 stops
3:27 pm - 4:22 pmMTY-ONT
25h 55m3 stops
$874Alaska Airlines
Find Deal
Thu, Apr 3 - Sun, Apr 6

Flights from Ontario to Monterrey - Travel Insights & Trends

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

What is the cheapest month to fly from Ontario to Monterrey?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to Monterrey, 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 from Ontario to Monterrey is October, where tickets cost $300 on average. On the other hand, the most expensive months are December and March, where the average cost of tickets is $484 and $473 respectively.

How far in advance should I book a flight from Ontario to Monterrey?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to Monterrey, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to Monterrey, you should book around 3 days before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Good to know

Low season

April

High season

March

Cheapest flight

$165
Best time to beat the crowds with an average 50% drop in price.
Most popular time to fly and prices are also 15% lower on average.
Flight from Ontario to Monterrey

When to book flights from Ontario to Monterrey

Are your dates flexible? Find out the best times to travel from Ontario to Monterrey based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Monterrey

  • What is the cheapest flight from Ontario to Monterrey?

    In the last 3 days, the lowest price for a flight from Ontario to Monterrey was $165 for a one-way ticket and $459 for a round-trip.

  • Do I need a passport to fly between Ontario and Monterrey?

    Yes, you’ll need a passport to travel to Monterrey from Ontario.

  • Which aircraft models fly most regularly from Ontario to Monterrey?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to Monterrey?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between Ontario and Monterrey, with oneworld being the most commonly used for this route.

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

    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 from Ontario to Monterrey.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Monterrey from 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 from Ontario to Monterrey?

    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 Monterrey with an airline and back to Ontario with another airline. Booking your flights between Ontario and MTY can sometimes prove cheaper using this method.

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

    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 Monterrey from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top airline flying from Ontario to Monterrey

 
See real verified KAYAK customer reviews for airlines flying from Ontario to Monterrey. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Ontario to Monterrey? 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.
7.2
American AirlinesOverall score based on 10000 reviews
7.6Boarding
8.0Crew
7.0Entertainment
7.2Comfort
6.6Food
Airline reviews

It was as expected for such a short flight. No complaints

10.0 ExcellentAnonymous, Nov 2024LAX - LAS
Read more American Airlines reviews

It was as expected for such a short flight. No complaints

It was nice being on a flight that had working wifi. The boarding was quick - why don’t all airlines have small boarding groups window to aisle? Makes so much sense!!! I was disappointed to be the first person stopped to have to gate check my carryon. Especially when there was plenty of overhead space at the back! But I get it…keeps it moving. Crew was nice.

The flight encountered a delay exceeding 4 hours. The food voucher issued was valued at $12, insufficient to cover our meal expenses. Consequently, I was unable to take my medication, leading to a drop in blood sugar levels and exacerbating my anxiety.

Crazy seating issues. We got seated far apart. Offered middle seats at a premium rate. Why is a middle seat now the expensive seat? Baffling.

The boarding process was a nightmare and though we were traveling business class, we were in Group 2 and the organization was terrible. The Business Class on this flight was crowded and did not feel clean and nice. Overall, I would not travel Business again on the American Airline flight through British Airways Not nearly special enough for the considerable cost .

Not too impressed with them to be honest. They had forgotten my gf meal, despite the fact that the app had notified me that it was sorted. Apparently there is a ‘glitch’ in the system, according to one of the stewardesses, and has been for a while. Also the legroom in economy is way too small (and I’m a slight person) and are very uncomfortable. An extra Internal flight I booked via the app, had not even given me the option to order a meal, so was unaware of that and left without food on a 9 hr. flight !! Don’t think I’ll use AA again after this.

The flight was uneventful. What was a problem was I was delayed getting home one entire day because the flight from Sacramento was delayed. That made getting to my connecting flight impossible. I had to stay another night at the hotel and incur that expense as a result.

VERY disappointed at the agent checking in my luggage. I know that the weight limit is 23 kg, a little over 50 pounds (50.71 pounds). Yet the agent kept repeating "50 pounds". So I said, the limit is 23 kg, and she had the audacity to say 'no, it is 22 kg!" Imagine my surprise. Was she ignorant or was she poorly trained? Not sure. The boarding process was pretty good. The speakers were loud enough so I still could hear them despite inconsiderate passengers continuing to speak while the announcements were going on. During the flight, the teenage girl sitting behind me kept pressing her feet to the back of my chair. I turned around several times, yet she did not get the hint. I did not make a fuss since I sense I had a bad streak that night with AA, so I just did the best I can to lean forward and not let that bother me.

Seats were very uncomfortable. I paid extra for a seat with more leg room, the seat was no different than a seat at the back of the plane. Flight attendant was rude.

Flights were on time. That's the main consideration since I had to change planes. The entertainment was whatever you bring with you and the food (in Economy) is non-existant. Neither of those was a surprise.

Book cheap flights from Ontario to Monterrey

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to Monterrey found on KAYAK in the last 72 hours.
1/22Wed
1 stop
11h 04mONT-MTY
$165
1/22Wed
2 stopsVolaris
15h 19mONT-MTY
$172
1/21Tue
1 stopVolaris
6h 18mONT-MTY
$177
12/13Fri
2 stops
22h 16mONT-MTY
$265
4/2Wed
2 stopsDelta
12h 26mONT-MTY
$332
4/2Wed
1 stopBritish Airways
10h 43mONT-MTY
$335
12/27Fri
1 stopBritish Airways
8h 36mONT-MTY
$356
4/3Thu
2 stopsUnited Airlines
19h 16mONT-MTY
$370
12/27Fri
2 stopsUnited Airlines
29h 46mONT-MTY
$404
12/23Mon
2 stopsDelta
14h 05mONT-MTY
$819

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Last minute flights from Ontario to Monterrey

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ontario to Monterrey that are departing in the next 10 days.
11/26Tue
multi-stopVolaris
6h 18mONT-MTY
11/30Sat
multi-stopVolaris
9h 03mMTY-ONT
$877
11/26Tue
multi-stopVolaris
6h 18mONT-MTY
11/29Fri
multi-stopVolaris
9h 03mMTY-ONT
$892
11/23Sat
multi-stopUnited Airlines
8h 41mONT-MTY
11/30Sat
multi-stopUnited Airlines
6h 53mMTY-ONT
$900
11/23Sat
multi-stopUnited Airlines
13h 45mONT-MTY
11/30Sat
multi-stopUnited Airlines
6h 53mMTY-ONT
$905
11/26Tue
multi-stopVolaris
6h 18mONT-MTY
11/30Sat
multi-stopVolaris
9h 03mMTY-ONT
$925
11/24Sun
multi-stopUnited Airlines
8h 41mONT-MTY
12/10Tue
multi-stopUnited Airlines
8h 28mMTY-ONT
$1,074
11/23Sat
multi-stopUnited Airlines
11h 54mONT-MTY
11/26Tue
multi-stopUnited Airlines
10h 52mMTY-ONT
$1,136
11/24Sun
multi-stopUnited Airlines
11h 54mONT-MTY
11/26Tue
multi-stopUnited Airlines
15h 12mMTY-ONT
$1,152
11/22Fri
multi-stopUnited Airlines
8h 41mONT-MTY
11/24Sun
multi-stopUnited Airlines
9h 00mMTY-ONT
$1,169
11/23Sat
multi-stopUnited Airlines
10h 11mONT-MTY
11/26Tue
multi-stopUnited Airlines
13h 02mMTY-ONT
$2,163

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Everything you need to know for your flight from Ontario to Monterrey

Information on your arrival and departure airports

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