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Cheap flights from Ontario to Monterrey from $103

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 3/23. 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
9:13 pm - 9:37 am
ONT
-
MTY
11h 24m
1 stop
Volaris Logo
6:30 pm - 11:05 pm
MTY
-
ONT
5h 35m
1 stop
$293Volaris
Wed, Apr 8 - Wed, Apr 15
Volaris Logo
12:40 pm - 8:08 pm
ONT
-
MTY
6h 28m
1 stop
Volaris Logo
5:00 pm - 11:05 pm
MTY
-
ONT
7h 05m
1 stop
$299Volaris
Thu, May 21 - Fri, May 22
Volaris Logo
12:27 am - 7:34 am
ONT
-
MTY
6h 07m
1 stop
Volaris Logo
2:55 pm - 8:11 pm
MTY
-
ONT
6h 16m
1 stop
$311Volaris
Sat, Mar 14 - Wed, Mar 18
Volaris Logo
12:40 pm - 8:08 pm
ONT
-
MTY
6h 28m
1 stop
Volaris Logo
12:38 pm - 11:05 pm
MTY
-
ONT
11h 27m
1 stop
$313Volaris
Sat, May 16 - Sat, May 23
Volaris Logo
12:27 am - 11:57 am
ONT
-
MTY
10h 30m
1 stop
Volaris Logo
2:55 pm - 10:52 pm
MTY
-
ONT
8h 57m
1 stop
$314Volaris
Tue, Mar 10 - Mon, Mar 23
Volaris Logo
9:13 pm - 9:37 am
ONT
-
MTY
11h 24m
1 stop
Volaris Logo
6:30 pm - 11:05 pm
MTY
-
ONT
5h 35m
1 stop
$316Volaris
Tue, Apr 7 - Fri, Apr 10
Volaris Logo
9:13 pm - 9:37 am
ONT
-
MTY
11h 24m
1 stop
Volaris Logo
5:00 pm - 11:05 pm
MTY
-
ONT
7h 05m
1 stop
$318Volaris
Fri, Apr 3 - Mon, Apr 6
Volaris Logo
11:02 pm - 9:40 am
ONT
-
MTY
9h 38m
1 stop
Volaris Logo
12:38 pm - 8:11 pm
MTY
-
ONT
8h 33m
1 stop
$321Volaris
Thu, Mar 19 - Thu, Mar 26
Volaris Logo
12:55 am - 12:01 pm
ONT
-
MTY
10h 06m
1 stop
Volaris Logo
8:15 am - 7:23 pm
MTY
-
ONT
12h 08m
1 stop
$327Volaris
Wed, Jun 10 - Mon, Jun 15
Volaris Logo
11:02 pm - 7:34 am
ONT
-
MTY
7h 32m
1 stop
Volaris Logo
2:55 pm - 8:11 pm
MTY
-
ONT
6h 16m
1 stop
$330Volaris
Thu, Mar 12 - Thu, Mar 26

Volaris flights from Ontario to Monterrey

Our best Volaris deals on Ontario to Monterrey flight tickets
Volaris
Apr 8
ONT9:13 pmOntario
11h 24m
1 stop
MTY9:37 amMonterrey Gen Mariano Escobedo
Apr 15
MTY6:30 pmMonterrey Gen Mariano Escobedo
5h 35m
1 stop
ONT11:05 pmOntario
$293
Volaris
May 21
ONT12:40 pmOntario
6h 28m
1 stop
MTY8:08 pmMonterrey Gen Mariano Escobedo
May 22
MTY5:00 pmMonterrey Gen Mariano Escobedo
7h 05m
1 stop
ONT11:05 pmOntario
$299
Volaris
Mar 2
ONT11:02 pmOntario
6h 32m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Mar 15
MTY2:55 pmMonterrey Gen Mariano Escobedo
8h 42m
1 stop
ONT10:37 pmOntario
$308

United Airlines flights from Ontario to Monterrey

Our best United Airlines deals on Ontario to Monterrey flight tickets
United Airlines
Apr 6
ONT6:49 pmOntario
12h 48m
2 stops
MTY8:37 amMonterrey Gen Mariano Escobedo
Apr 13
MTY7:35 amMonterrey Gen Mariano Escobedo
14h 01m
2 stops
ONT8:36 pmOntario
$509
United Airlines
Feb 24
ONT8:00 amOntario
8h 11m
1 stop
MTY6:11 pmMonterrey Gen Mariano Escobedo
Mar 3
MTY6:00 amMonterrey Gen Mariano Escobedo
13h 41m
1 stop
ONT5:41 pmOntario
$650
United Airlines
Feb 24
ONT5:00 amOntario
13h 36m
2 stops
MTY8:36 pmMonterrey Gen Mariano Escobedo
Mar 4
MTY8:50 amMonterrey Gen Mariano Escobedo
15h 09m
1 stop
ONT9:59 pmOntario
$659

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 February 22, 2026.
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

Wed 4/8

9:13 pm-9:37 am

1 stop11h 24m

Monterrey Gen Mariano Escobedo

Wed 4/15

6:30 pm-11:05 pm

1 stop5h 35m

$293

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 5/21

12:40 pm-8:08 pm

1 stop6h 28m

Monterrey Gen Mariano Escobedo

Fri 5/22

5:00 pm-11:05 pm

1 stop7h 05m

$299

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 3/14

12:27 am-7:34 am

1 stop6h 07m

Monterrey Gen Mariano Escobedo

Wed 3/18

2:55 pm-8:11 pm

1 stop6h 16m

$311

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 5/16

12:40 pm-8:08 pm

1 stop6h 28m

Monterrey Gen Mariano Escobedo

Sat 5/23

12:38 pm-11:05 pm

1 stop11h 27m

$313

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 3/10

12:27 am-11:57 am

1 stop10h 30m

Monterrey Gen Mariano Escobedo

Mon 3/23

2:55 pm-10:52 pm

1 stop8h 57m

$314

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 4/7

9:13 pm-9:37 am

1 stop11h 24m

Monterrey Gen Mariano Escobedo

Fri 4/10

6:30 pm-11:05 pm

1 stop5h 35m

$316

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 4/3

9:13 pm-9:37 am

1 stop11h 24m

Monterrey Gen Mariano Escobedo

Mon 4/6

5:00 pm-11:05 pm

1 stop7h 05m

$318

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 3/19

11:02 pm-9:40 am

1 stop9h 38m

Monterrey Gen Mariano Escobedo

Thu 3/26

12:38 pm-8:11 pm

1 stop8h 33m

$321

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 6/10

12:55 am-12:01 pm

1 stop10h 06m

Monterrey Gen Mariano Escobedo

Mon 6/15

8:15 am-7:23 pm

1 stop12h 08m

$327

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 3/12

11:02 pm-7:34 am

1 stop7h 32m

Monterrey Gen Mariano Escobedo

Thu 3/26

2:55 pm-8:11 pm

1 stop6h 16m

$330

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 Saturday. Travelers who choose to depart for Monterrey on a Saturday will often find tickets for as low as $287. 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 $335.

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 at noon. Flights from Ontario to Monterrey during this time can be as low as $286. In the evening is when there is more demand to fly to Monterrey, so prices are often more expensive at around $489 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 28m

Direct flights

None
The fastest flight from Ontario to Monterrey takes 6h 28m
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 28m 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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