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Monterrey

$102+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MTY
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/26. 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.
Sun 2/2211:02 pm
ONT
-
MTY
1 stop6h 32m
Volaris
Tue 2/245:00 pm
MTY
-
ONT
1 stop7h 52m
Volaris
Deal found 1/26$296
This Trip.com deal was found by Cheapflights users on 1/26. 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.
Wed 2/2511:02 pm
ONT
-
MTY
1 stop6h 32m
Volaris
Mon 3/25:00 pm
MTY
-
ONT
1 stop7h 52m
Volaris
Deal found 1/26$308
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Tue 4/149:13 pm
ONT
-
MTY
1 stop9h 25m
Volaris
Tue 4/215:00 pm
MTY
-
ONT
1 stop7h 05m
Volaris
Deal found 1/25$311
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Tue 2/311:02 pm
ONT
-
MTY
1 stop6h 32m
Volaris
Fri 2/62:55 pm
MTY
-
ONT
1 stop9h 57m
Volaris
Deal found 1/25$312
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2411:02 pm
ONT
-
MTY
1 stop7h 32m
Volaris
Wed 4/112:38 pm
MTY
-
ONT
1 stop11h 27m
Volaris
Deal found 1/26$316
This Trip.com deal was found by Cheapflights users on 1/26. 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.
Thu 3/511:02 pm
ONT
-
MTY
1 stop10h 55m
Volaris
Sun 3/812:38 pm
MTY
-
ONT
1 stop8h 33m
Volaris
Deal found 1/26$320
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:27 am
ONT
-
MTY
1 stop6h 07m
Volaris
Wed 4/16:30 pm
MTY
-
ONT
1 stop5h 35m
Volaris
Deal found 1/27$331
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Mon 3/309:13 pm
ONT
-
MTY
1 stop9h 19m
Volaris
Wed 4/15:00 pm
MTY
-
ONT
1 stop7h 05m
Volaris
Deal found 1/25$332
This Travelocity deal was found by Cheapflights users on 1/25. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:02 pm
ONT
-
MTY
1 stop6h 32m
Volaris
Tue 3/312:38 pm
MTY
-
ONT
1 stop12h 14m
Volaris
Deal found 1/25$334
This Trip.com deal was found by Cheapflights users on 1/25. 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.
Tue 1/2711:02 pm
ONT
-
MTY
1 stop6h 32m
Volaris
Thu 1/296:00 am
MTY
-
ONT
1 stop7h 00m
Volaris
Deal found 1/25$345

Find 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Mytrip)

One-way from

$102
(Flightnetwork)

Popular in

December

Cheapest in

May

Average price

$252
Provider with most accurate pricing for Ontario-Monterrey Gen Mariano Escobedo flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Monterrey Gen Mariano Escobedo flights.
Search Deals
From Ontario to Monterrey Gen Mariano Escobedo
Search Deals
One-way flight from Ontario to Monterrey Gen Mariano Escobedo
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 27, 2026.
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

Sat 2/21

12:42 am-11:57 am

1 stop9h 15m

Monterrey Gen Mariano Escobedo

Tue 2/24

5:00 pm-10:52 pm

1 stop7h 52m

$305

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 3/12

11:02 pm-11:57 am

1 stop11h 55m

Monterrey Gen Mariano Escobedo

Mon 3/16

2:55 pm-8:11 pm

1 stop6h 16m

$308

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 3/5

12:42 am-2:14 pm

1 stop11h 32m

Monterrey Gen Mariano Escobedo

Fri 3/13

2:55 pm-8:11 pm

1 stop6h 16m

$308

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 3/24

11:02 pm-7:34 am

1 stop7h 32m

Monterrey Gen Mariano Escobedo

Wed 4/1

12:38 pm-11:05 pm

1 stop11h 27m

$316

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 3/5

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Sun 3/8

5:00 pm-10:37 pm

1 stop6h 37m

$321

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 3/24

12:27 am-7:34 am

1 stop6h 07m

Monterrey Gen Mariano Escobedo

Wed 4/1

6:30 pm-11:05 pm

1 stop5h 35m

$331

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 3/30

9:13 pm-7:32 am

1 stop9h 19m

Monterrey Gen Mariano Escobedo

Wed 4/1

5:00 pm-11:05 pm

1 stop7h 05m

$332

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 3/20

11:59 pm-9:14 am

1 stop8h 15m

Monterrey Gen Mariano Escobedo

Sun 3/22

2:55 pm-10:52 pm

1 stop8h 57m

$352

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 7/10

12:59 am-7:53 am

1 stop5h 54m

Monterrey Gen Mariano Escobedo

Sun 7/12

12:38 pm-11:05 pm

1 stop11h 27m

$358

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 6/17

9:13 pm-7:38 am

1 stop9h 25m

Monterrey Gen Mariano Escobedo

Wed 6/24

6:30 pm-11:05 pm

1 stop5h 35m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-Monterrey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Monterrey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Monterrey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Monterrey flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Monterrey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, April is the cheapest month in which you can book a flight from Ontario to Monterrey (average of $44). Flying from Ontario to Monterrey in November is currently the most expensive (average of $258). 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.

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 9h 15m. 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, April is the cheapest month in which you can book a flight from Ontario to Monterrey (average of $44). Flying from Ontario to Monterrey in November is currently the most expensive (average of $258). 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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