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Monterrey

$99+ Cheap flights from Ontario (ONT) to Monterrey (MTY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MTY
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Ontario to Monterrey

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Monterrey (MTY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$287
(Mytrip)

One-way from

$99
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$274
From Ontario to Monterrey Gen Mariano Escobedo
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One-way flight from Ontario to Monterrey Gen Mariano Escobedo
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Highest demand for flights based on searches. 12% potential increase in price ($38 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Monterrey

Cheapest flights from Ontario to Monterrey
Explore the most affordable flight options available from Ontario to Monterrey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/259:11 pmONT - MTY
1 stop9h 23mVolaris
sáb. 11/16:05 amMTY - ONT
1 stop5h 55mVolaris
Deal found 9/10$287
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/159:11 pmONT - MTY
1 stop9h 23mVolaris
mar. 9/1612:38 pmMTY - ONT
1 stop11h 35mVolaris
Deal found 9/9$307
This Expedia deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/259:11 pmONT - MTY
1 stop9h 23mVolaris
lun. 10/612:38 pmMTY - ONT
1 stop11h 35mVolaris
Deal found 9/9$348
This Trip.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/149:11 pmONT - MTY
1 stop9h 23mVolaris
mié. 9/2412:38 pmMTY - ONT
1 stop11h 35mVolaris
Deal found 9/9$350
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:00 amONT - MTY
2 stops14h 10mMultiple Airlines
lun. 10/611:50 amMTY - ONT
1 stop10h 06mMultiple Airlines
Deal found 9/9$352
This Mytrip deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/512:40 pmONT - MTY
2 stops17h 55mVolaris
dom. 10/128:15 amMTY - ONT
1 stop15h 58mVolaris
Deal found 9/9$374
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/257:04 amONT - MTY
2 stops12h 26mMultiple Airlines
sáb. 11/111:00 amMTY - ONT
1 stop13h 50mMultiple Airlines
Deal found 9/10$376
This Trip.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/1712:40 pmONT - MTY
1 stop6h 28mVolaris
sáb. 9/2012:38 pmMTY - ONT
1 stop11h 35mVolaris
Deal found 9/10$379

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Monterrey that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Ontario to Monterrey that are best for you.

Fly from

Ontario

Fly to

Monterrey

Route

Depart

Return

Price

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

vie. 10/24

1:09 am-9:47 am

1 stop7h 38m

Monterrey Gen Mariano Escobedo

sáb. 11/1

6:05 am-11:00 am

1 stop5h 55m

$289

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

lun. 9/15

9:11 pm-7:34 am

1 stop9h 23m

Monterrey Gen Mariano Escobedo

mar. 9/16

12:38 pm-11:13 pm

1 stop11h 35m

$307

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

sáb. 9/20

1:09 am-9:47 am

1 stop7h 38m

Monterrey Gen Mariano Escobedo

sáb. 9/27

5:51 pm-11:13 pm

1 stop6h 22m

$348

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

jue. 9/25

9:11 pm-7:34 am

1 stop9h 23m

Monterrey Gen Mariano Escobedo

lun. 10/6

5:51 pm-11:13 pm

1 stop6h 22m

$348

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

dom. 9/14

9:11 pm-7:34 am

1 stop9h 23m

Monterrey Gen Mariano Escobedo

mié. 9/24

12:38 pm-11:13 pm

1 stop11h 35m

$350

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

jue. 9/25

6:00 am-9:10 pm

2 stops14h 10m

Monterrey Gen Mariano Escobedo

lun. 10/6

11:50 am-8:56 pm

1 stop10h 06m

$352

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

vie. 9/19

9:11 pm-9:47 am

1 stop11h 36m

Monterrey Gen Mariano Escobedo

dom. 9/21

5:51 pm-11:13 pm

1 stop6h 22m

$411

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

dom. 9/21

9:11 pm-9:47 am

1 stop11h 36m

Monterrey Gen Mariano Escobedo

sáb. 9/27

8:45 am-7:54 pm

2 stops12h 09m

$429

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

dom. 10/5

9:11 pm-11:57 am

1 stop13h 46m

Monterrey Gen Mariano Escobedo

dom. 10/12

12:38 pm-11:13 pm

1 stop11h 35m

$450

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

vie. 10/10

11:59 pm-9:10 am

1 stop8h 11m

$100

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
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Best time to book a flight from Ontario to Monterrey

Have a flexible travel schedule? Discover the best time to fly to Monterrey from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

What is the cheapest month to book a flight from Ontario to Monterrey?

Currently, February is the cheapest month in which you can book a flight from Ontario to Monterrey (average of $244). Flying from Ontario to Monterrey in December is currently the most expensive (average of $432). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MTY?

Find hourly flight availability from Ontario to Monterrey. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

One of the essential ways to save on airfare from Ontario to Monterrey is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Monterrey. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Monterrey?

    There are many flights that can get you from Ontario to Monterrey in 7h 38m. Fly via Volaris to get the fastest option. The distance between Ontario and Monterrey is about 1190 mi.

  • Can I find deals for flights from Ontario to Monterrey that include hotel bookings?

    Yes. In addition to deals on Ontario to Monterrey flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Monterrey?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Monterrey.

  • Can I find deals for business class flights from Ontario to Monterrey?

    Yes. Cheapflights offers flight deals from Ontario to Monterrey by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Monterrey?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Monterrey (average of $244). Flying from Ontario to Monterrey in December is currently the most expensive (average of $432). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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