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$184+ Cheap flights from Monterrey (MTY) to Ontario (ONT)

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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
MTY — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Monterrey to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Monterrey (MTY) to Ontario (ONT). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$355
(Frontier)

One-way from

$184
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$232
Provider with most accurate pricing for Monterrey Gen Mariano Escobedo-Ontario flight deals.
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Provider most trusted by Cheapflights users for Monterrey Gen Mariano Escobedo-Ontario flights.
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From Monterrey Gen Mariano Escobedo to Ontario
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One-way flight from Monterrey Gen Mariano Escobedo to Ontario
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Highest demand for flights based on searches. 16% potential increase in price ($57 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 February 2025
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Find flight deals from Monterrey to Ontario

Cheapest flights from Monterrey to Ontario
Explore the most affordable flight options available from Monterrey to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/20. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/912:43 pmMTY - ONT
2 stops19h 41mFrontier
Sun 5/1112:59 amONT - MTY
2 stops19h 44mFrontier
Deal found 2/20$355
This Trip.com deal was found by Cheapflights users on 2/19. 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 6/166:01 pmMTY - ONT
1 stop6h 12mVolaris
Sat 6/211:09 amONT - MTY
1 stop9h 48mVolaris
Deal found 2/19$416
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Mon 5/55:25 pmMTY - ONT
1 stop6h 48mMultiple Airlines
Thu 5/151:09 amONT - MTY
1 stop9h 44mMultiple Airlines
Deal found 2/20$470
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 6/183:58 pmMTY - ONT
1 stop6h 12mUnited Airlines
Sun 6/221:36 pmONT - MTY
2 stops18h 01mUnited Airlines
Deal found 2/20$486

Find flights from Monterrey to Ontario within your budget

Customize your flight search to find flights from Monterrey to Ontario 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 February 20, 2025.

Fly from

Monterrey

Fly to

Ontario

Route

Depart

Return

Price

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Fri 5/9

12:43 pm-7:24 am

2 stops19h 41m

Ontario

Sun 5/11

12:59 am-9:43 pm

2 stops19h 44m

$355

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Mon 6/16

6:01 pm-11:13 pm

1 stop6h 12m

Ontario

Sat 6/21

1:09 am-11:57 am

1 stop9h 48m

$416

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Mon 5/5

5:25 pm-11:13 pm

1 stop6h 48m

Ontario

Thu 5/15

1:09 am-11:53 am

1 stop9h 44m

$470

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Wed 6/18

3:58 pm-9:10 pm

1 stop6h 12m

Ontario

Sun 6/22

1:36 pm-8:37 am

2 stops18h 01m

$486

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Wed 3/26

5:50 am-1:43 pm

1 stop8h 53m

$184

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Wed 6/18

6:01 pm-11:13 pm

1 stop6h 12m

$189

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Wed 3/19

7:50 am-8:57 pm

2 stops14h 07m

$290

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Wed 7/23

5:30 am-1:42 pm

1 stop9h 12m

$293

MonterreyOntario

MTY - ONT

MTYONT

Monterrey Gen Mariano Escobedo

Sun 3/23

3:14 pm-10:39 am

3 stops20h 25m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

  • Most accurate provider: When it comes to deals on Monterrey-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Monterrey-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Monterrey-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Monterrey-Ontario 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 Monterrey-Ontario 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 Monterrey to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Monterrey 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.

Travel insights for flights from Monterrey to Ontario

Get recent, data-driven insights about flights from Monterrey to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Monterrey to Ontario (average of $246). Flying from Monterrey to Ontario in March is currently the most expensive (average of $315). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 20, 2025.
Alaska Airlines
8.0
Very good
9,692 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Volaris
6.7
Okay
1,209 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Frontier
6.0
Okay
3,355 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Monterrey to Ontario. 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 Monterrey to Ontario round-trip?

    Frontier, at $355, was found to be the cheapest airline from Monterrey to Ontario.Alternate airlines to your destination round-trip include Volaris and United Airlines.

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

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $189. United Airlines flights start at $290 while deals on Frontier start at $293 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Monterrey to Ontario 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 Monterrey to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Monterrey to Ontario (average of $246). Flying from Monterrey to Ontario in March is currently the most expensive (average of $315). 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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