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Monterrey

$166+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MTY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$372
(Mytrip)

One-way from

$166
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$295
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. 16% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/9. 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.
Fri 9/199:11 pmONT - MTY
1 stop11h 36mVolaris
Mon 9/226:01 pmMTY - ONT
1 stop6h 12mVolaris
Deal found 6/9$372
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Fri 7/49:11 pmONT - MTY
1 stop11h 36mMultiple Airlines
Mon 7/710:05 pmMTY - ONT
1 stop13h 55mMultiple Airlines
Deal found 6/10$413
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/34:50 pmONT - MTY
1 stop4h 49mAmerican Airlines
Mon 7/77:15 amMTY - ONT
1 stop5h 45mAmerican Airlines
Deal found 6/10$645
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:38 pmONT - MTY
2 stops13h 02mUnited Airlines
Wed 12/1711:00 amMTY - ONT
1 stop12h 21mUnited Airlines
Deal found 6/12$653
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/147:05 amONT - MTY
2 stops13h 43mDelta
Mon 6/2311:55 amMTY - ONT
1 stop8h 59mDelta
Deal found 6/12$1,504

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 June 12, 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

Fri 9/19

9:11 pm-9:47 am

1 stop11h 36m

Monterrey Gen Mariano Escobedo

Mon 9/22

6:01 pm-11:13 pm

1 stop6h 12m

$372

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 7/4

9:11 pm-9:47 am

1 stop11h 36m

Monterrey Gen Mariano Escobedo

Mon 7/7

10:05 pm-11:00 am

1 stop13h 55m

$413

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 7/3

4:50 pm-10:39 pm

1 stop4h 49m

Monterrey Gen Mariano Escobedo

Mon 7/7

7:15 am-12:00 pm

1 stop5h 45m

$645

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 12/1

6:38 pm-9:40 am

2 stops13h 02m

Monterrey Gen Mariano Escobedo

Wed 12/17

11:00 am-9:21 pm

1 stop12h 21m

$653

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 7/9

7:00 am-6:50 pm

1 stop10h 50m

$166

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 8/30

9:11 pm-9:47 am

1 stop11h 36m

$177

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 12/1

5:01 pm-2:19 pm

2 stops19h 18m

$354

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 7/1

6:00 am-5:18 pm

1 stop10h 18m

$370

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 6/23

12:59 am-9:00 am

1 stop7h 01m

$448

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 8/30

6:05 am-6:37 pm

2 stops11h 32m

$482

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $242). 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 June 12, 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.

Rainfall in Monterrey by month

Plan your trip to Monterrey by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Monterrey ranges from 0.6 - 5.9 inches per month. September is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Monterrey when rainfall is around 0.6 in.

Temperature in Monterrey by month

Plan your trip to Monterrey by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Monterrey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing Monterrey

Get insights into the airlines that provide service to Monterrey. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Monterrey. Reviews last updated June 12, 2025.
Read through reviews of airlines operating flights from Ontario to Monterrey, such as Aeromexico, United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate
Aeromexico
7.5
Good
1,706 reviews
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate
United Airlines
7.4
Good
8,790 reviews
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate
American Airlines
7.2
Good
10,000 reviews
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate
Volaris
6.7
Okay
1,170 reviews
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate
British Airways
6.6
Okay
7,008 reviews
Aeromexico
7.5
Good
1,706 reviews

Boarding

7.5

Food

6.7

Crew

7.9

Comfort

7.6

Overall

7.5

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2024

TPA - MEX

Flight was delayed by several hours. Then after landing, it took us more than an hour to get into a terminal because another plane had taken our gate

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.

  • What are the cheapest airlines flying from Ontario to Monterrey round-trip?

    Our cheapest airline available from Ontario to Monterrey is Volaris. Our recent data shows that you can find tickets from as low as $372 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $645 and $653 round-trip.

  • What are the cheapest airlines to fly from Ontario to Monterrey one-way?

    $177 is the cheapest one-way deal found within the past few days, from Volaris. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $354 and $370, respectively.

  • 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 $242). 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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