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Cheap flights from Ontario to Monterrey from $121

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Monterrey departing on 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Monterrey

Cheap round-trip flights

Enter your travel dates to find the best prices.
Volaris Logo
11:02 pm - 7:34 am
ONT
-
MTY
6h 32m1 stop
Volaris Logo
6:00 am - 11:00 am
MTY
-
ONT
7h 00m1 stop
$294Volaris
Thu, Feb 19 - Sat, Feb 21
Volaris Logo
11:02 pm - 7:34 am
ONT
-
MTY
6h 32m1 stop
Volaris Logo
5:00 pm - 10:52 pm
MTY
-
ONT
7h 52m1 stop
$306Volaris
Fri, Jan 23 - Sun, Jan 25
Volaris Logo
11:59 pm - 9:14 am
ONT
-
MTY
7h 15m1 stop
Volaris Logo
5:00 pm - 10:52 pm
MTY
-
ONT
7h 52m1 stop
$314Volaris
Wed, Feb 25 - Sun, Mar 1
Volaris Logo
11:02 pm - 7:34 am
ONT
-
MTY
6h 32m1 stop
Volaris Logo
5:00 pm - 10:52 pm
MTY
-
ONT
7h 52m1 stop
$323Volaris
Sat, Jan 17 - Sun, Jan 18
Volaris Logo
12:59 am - 7:53 am
ONT
-
MTY
5h 54m1 stop
Volaris Logo
12:38 pm - 11:05 pm
MTY
-
ONT
11h 27m1 stop
$334Volaris
Fri, Apr 3 - Mon, Apr 13
Volaris Logo
11:02 pm - 7:34 am
ONT
-
MTY
6h 32m1 stop
Volaris Logo
2:55 pm - 10:52 pm
MTY
-
ONT
9h 57m1 stop
$335Volaris
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
6:20 am - 8:29 pm
ONT
-
MTY
12h 09m2 stops
Multiple Airlines Logo
9:30 am - 5:48 pm
MTY
-
ONT
10h 18m1 stop
$376Multiple Airlines
Mon, Feb 9 - Mon, Feb 16
Multiple Airlines Logo
8:48 pm - 7:20 pm
ONT
-
MTY
20h 32m1 stop
Multiple Airlines Logo
7:55 pm - 11:24 pm
MTY
-
ONT
29h 29m2 stops
$395Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Volaris Logo
11:59 pm - 9:14 am
ONT
-
MTY
7h 15m1 stop
Volaris Logo
2:55 pm - 10:52 pm
MTY
-
ONT
9h 57m1 stop
$480Volaris
Fri, Jan 16 - Sun, Jan 18
Volaris Logo
12:42 am - 11:57 am
ONT
-
MTY
9h 15m1 stop
Volaris Logo
5:00 pm - 10:52 pm
MTY
-
ONT
7h 52m1 stop
$519Volaris
Fri, Jan 16 - Mon, Jan 19

Volaris flights from Ontario to Monterrey

Our best Volaris deals on Ontario to Monterrey flight tickets
Volaris
Feb 19
ONT11:02 pmOntario
6h 32m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Feb 21
MTY6:00 amMonterrey Gen Mariano Escobedo
7h 00m
1 stop
ONT11:00 amOntario
$294
Find similar
Volaris
Jan 23
ONT11:02 pmOntario
6h 32m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Jan 25
MTY5:00 pmMonterrey Gen Mariano Escobedo
7h 52m
1 stop
ONT10:52 pmOntario
$306
Find similar
Volaris
Feb 25
ONT11:59 pmOntario
7h 15m
1 stop
MTY9:14 amMonterrey Gen Mariano Escobedo
Mar 1
MTY5:00 pmMonterrey Gen Mariano Escobedo
7h 52m
1 stop
ONT10:52 pmOntario
$314
Find similar

United Airlines flights from Ontario to Monterrey

Our best United Airlines deals on Ontario to Monterrey flight tickets
United Airlines
Feb 9
ONT1:24 pmOntario
26h 47m
2 stops
MTY6:11 pmMonterrey Gen Mariano Escobedo
Feb 16
MTY6:00 pmMonterrey Gen Mariano Escobedo
17h 58m
2 stops
ONT9:58 amOntario
$597
Find similar
United Airlines
Jan 23
ONT5:05 amOntario
9h 01m
2 stops
MTY4:06 pmMonterrey Gen Mariano Escobedo
Jan 30
MTY11:00 amMonterrey Gen Mariano Escobedo
13h 53m
2 stops
ONT10:53 pmOntario
$682
Find similar
United Airlines
Feb 26
ONT6:10 amOntario
8h 10m
1 stop
MTY4:20 pmMonterrey Gen Mariano Escobedo
Mar 9
MTY5:00 amMonterrey Gen Mariano Escobedo
13h 35m
1 stop
ONT5:35 pmOntario
$702
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Ontario to Monterrey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 2/19

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Sat 2/21

6:00 am-11:00 am

1 stop7h 00m

$294

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 1/23

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Sun 1/25

5:00 pm-10:52 pm

1 stop7h 52m

$306

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 2/25

11:59 pm-9:14 am

1 stop7h 15m

Monterrey Gen Mariano Escobedo

Sun 3/1

5:00 pm-10:52 pm

1 stop7h 52m

$314

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 1/17

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Sun 1/18

5:00 pm-10:52 pm

1 stop7h 52m

$323

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 4/3

12:59 am-7:53 am

1 stop5h 54m

Monterrey Gen Mariano Escobedo

Mon 4/13

12:38 pm-11:05 pm

1 stop11h 27m

$334

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 1/23

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Fri 1/30

2:55 pm-10:52 pm

1 stop9h 57m

$335

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 2/9

6:20 am-8:29 pm

2 stops12h 09m

Monterrey Gen Mariano Escobedo

Mon 2/16

9:30 am-5:48 pm

1 stop10h 18m

$376

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 1/23

8:48 pm-7:20 pm

1 stop20h 32m

Monterrey Gen Mariano Escobedo

Fri 1/30

7:55 pm-11:24 pm

2 stops29h 29m

$395

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 1/16

11:59 pm-9:14 am

1 stop7h 15m

Monterrey Gen Mariano Escobedo

Sun 1/18

2:55 pm-10:52 pm

1 stop9h 57m

$480

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 1/16

12:42 am-11:57 am

1 stop9h 15m

Monterrey Gen Mariano Escobedo

Mon 1/19

5:00 pm-10:52 pm

1 stop7h 52m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Monterrey from

How to get the cheapest flight ticket from Ontario to Monterrey

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Monterrey?

The cheapest day to depart from Ontario to Monterrey is on a Thursday. Travelers who choose to depart for Monterrey on a Thursday will often find tickets for as low as $279. On the other hand, Monday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $307.

What is the cheapest time of day to depart on your flight to Monterrey?

Our most recent data shows that the best time of day to fly to Monterrey is in the afternoon. Flights from Ontario to Monterrey during this time can be as low as $281. In the evening is when there is more demand to fly to Monterrey, so prices are often more expensive at around $532 per ticket.

When to book flights from Ontario to Monterrey

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Monterrey according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Monterrey (ONT to MTY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Monterrey

Fastest flight time

6h 32m

Direct flights

None
The fastest flight from Ontario to Monterrey takes 6h 32m
There are no direct flights from Ontario to Monterrey. There are no popular flight routes from Ontario to Monterrey.
Search flight deals

  • How far is Ontario to Monterrey Gen Mariano Escobedo by plane?

    Monterrey Gen Mariano Escobedo is 1186.0 mi away from Ontario. Typically, this will take 6h 32m by plane in normal conditions.

  • When did momondo last update prices for flights from Ontario Airport to Monterrey Gen Mariano Escobedo Airport?

    Prices for flights from Ontario Airport to Monterrey Gen Mariano Escobedo Airport are updated daily.

  • How old do you have to be to fly from Ontario Airport to Monterrey Gen Mariano Escobedo Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Monterrey Gen Mariano Escobedo Airport.

  • What documentation or ID do you need to fly to Monterrey Gen Mariano Escobedo Airport?

    The travel and health documents you'll need for your trip to Monterrey Gen Mariano Escobedo Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Monterrey Gen Mariano Escobedo Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Monterrey?

Book flights to Monterrey if you plan to visit one of these locations
San Pedro Garza Garcia
Guadalupe

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Monterrey?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to Monterrey. momondo saves you time and could save you money on your trip.

Can I find flights from Ontario to Monterrey with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Monterrey from Ontario with this policy.

How can momondo help me find flights from Ontario to Monterrey?

Once all potential Ontario to Monterrey flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Ontario to Monterrey right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Monterrey flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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