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Cheap flights from Ontario to Monterrey from $130

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 11/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Volaris Logo
12:55 am - 2:00 pmONT-MTY
12h 05m1 stop
Volaris Logo
12:38 pm - 7:23 pmMTY-ONT
7h 45m1 stop
$309Volaris
Find Deal
Thu, May 7 - Sun, May 10
Volaris Logo
11:02 pm - 7:34 amONT-MTY
6h 32m1 stop
Volaris Logo
12:38 pm - 8:11 pmMTY-ONT
9h 33m1 stop
$333Volaris
Find Deal
Tue, Dec 9 - Thu, Dec 11
Volaris Logo
11:02 pm - 7:34 amONT-MTY
6h 32m1 stop
Volaris Logo
2:55 pm - 8:11 pmMTY-ONT
7h 16m1 stop
$336Volaris
Find Deal
Sat, Jan 17 - Wed, Jan 21
Multiple Airlines Logo
12:42 am - 3:15 pmONT-MTY
12h 33m1 stop
Multiple Airlines Logo
2:55 pm - 10:52 pmMTY-ONT
9h 57m1 stop
$442Multiple Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
United Airlines Logo
6:53 pm - 3:39 pmONT-MTY
19h 46m1 stop
United Airlines Logo
7:35 am - 10:11 pmMTY-ONT
15h 36m1 stop
$556United Airlines
Find Deal
Mon, Mar 30 - Fri, Apr 3
United Airlines Logo
6:53 pm - 8:37 amONT-MTY
12h 44m2 stops
United Airlines Logo
10:00 am - 10:11 pmMTY-ONT
13h 11m1 stop
$565United Airlines
Find Deal
Mon, Mar 30 - Fri, Apr 3
Aeromexico Logo
6:00 am - 6:13 pmONT-MTY
10h 13m1 stop
Aeromexico Logo
9:50 am - 4:12 pmMTY-ONT
8h 22m1 stop
$694Aeromexico
Find Deal
Thu, Dec 18 - Mon, Dec 22
Delta Logo
6:00 am - 6:13 pmONT-MTY
10h 13m1 stop
Delta Logo
9:50 am - 4:12 pmMTY-ONT
8h 22m1 stop
$744Delta
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Thu, Dec 18 - Fri, Dec 26
Delta Logo
6:00 am - 6:13 pmONT-MTY
10h 13m1 stop
Delta Logo
9:50 am - 4:12 pmMTY-ONT
8h 22m1 stop
$771Delta
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Fri, Dec 19 - Fri, Dec 26
Multiple Airlines Logo
10:30 pm - 9:14 pmONT-MTY
20h 44m3 stops
Multiple Airlines Logo
3:41 pm - 8:55 pmMTY-ONT
31h 14m3 stops
$1,246Multiple Airlines
Find Deal
Sat, Jan 17 - Wed, Jan 21

Volaris flights from Ontario to Monterrey

Our best Volaris deals on Ontario to Monterrey flight tickets
Volaris
May 7
ONT12:55 amOntario
12h 05m
1 stop
MTY2:00 pmMonterrey Gen Mariano Escobedo
May 10
MTY12:38 pmMonterrey Gen Mariano Escobedo
7h 45m
1 stop
ONT7:23 pmOntario
$309
Find similar
Volaris
Dec 9
ONT11:02 pmOntario
6h 32m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Dec 11
MTY12:38 pmMonterrey Gen Mariano Escobedo
9h 33m
1 stop
ONT8:11 pmOntario
$333
Find similar
Volaris
Jan 17
ONT11:02 pmOntario
6h 32m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Jan 21
MTY2:55 pmMonterrey Gen Mariano Escobedo
7h 16m
1 stop
ONT8:11 pmOntario
$336
Find similar

United Airlines flights from Ontario to Monterrey

Our best United Airlines deals on Ontario to Monterrey flight tickets
United Airlines
Mar 30
ONT6:53 pmOntario
19h 46m
1 stop
MTY3:39 pmMonterrey Gen Mariano Escobedo
Apr 3
MTY7:35 amMonterrey Gen Mariano Escobedo
15h 36m
1 stop
ONT10:11 pmOntario
$556
Find similar
United Airlines
Mar 30
ONT6:53 pmOntario
12h 44m
2 stops
MTY8:37 amMonterrey Gen Mariano Escobedo
Apr 3
MTY10:00 amMonterrey Gen Mariano Escobedo
13h 11m
1 stop
ONT10:11 pmOntario
$565
Find similar
United Airlines
Dec 24
ONT10:42 amOntario
27h 38m
1 stop
MTY4:20 pmMonterrey Gen Mariano Escobedo
Dec 31
MTY4:54 pmMonterrey Gen Mariano Escobedo
6h 58m
1 stop
ONT9:52 pmOntario
$576
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 November 10, 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 5/7

12:55 am-2:00 pm

1 stop12h 05m

Monterrey Gen Mariano Escobedo

Sun 5/10

12:38 pm-7:23 pm

1 stop7h 45m

$309

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 12/9

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Thu 12/11

12:38 pm-8:11 pm

1 stop9h 33m

$333

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 1/17

11:02 pm-7:34 am

1 stop6h 32m

Monterrey Gen Mariano Escobedo

Wed 1/21

2:55 pm-8:11 pm

1 stop7h 16m

$336

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 12/8

12:42 am-3:15 pm

1 stop12h 33m

Monterrey Gen Mariano Escobedo

Thu 12/11

2:55 pm-10:52 pm

1 stop9h 57m

$442

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 3/30

6:53 pm-3:39 pm

1 stop19h 46m

Monterrey Gen Mariano Escobedo

Fri 4/3

7:35 am-10:11 pm

1 stop15h 36m

$556

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Mon 3/30

6:53 pm-8:37 am

2 stops12h 44m

Monterrey Gen Mariano Escobedo

Fri 4/3

10:00 am-10:11 pm

1 stop13h 11m

$565

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 12/18

6:00 am-6:13 pm

1 stop10h 13m

Monterrey Gen Mariano Escobedo

Mon 12/22

9:50 am-4:12 pm

1 stop8h 22m

$694

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 12/18

6:00 am-6:13 pm

1 stop10h 13m

Monterrey Gen Mariano Escobedo

Fri 12/26

9:50 am-4:12 pm

1 stop8h 22m

$744

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 12/19

6:00 am-6:13 pm

1 stop10h 13m

Monterrey Gen Mariano Escobedo

Fri 12/26

9:50 am-4:12 pm

1 stop8h 22m

$771

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 1/17

10:30 pm-9:14 pm

3 stops20h 44m

Monterrey Gen Mariano Escobedo

Wed 1/21

3:41 pm-8:55 pm

3 stops31h 14m

$1,246

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 Wednesday. Travelers who choose to depart for Monterrey on a Wednesday will often find tickets for as low as $277. On the other hand, Tuesday 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 $331.

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 $279. In the evening is when there is more demand to fly to Monterrey, so prices are often more expensive at around $384 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

Direct flights

None
There are no direct flights from Ontario to Monterrey. There are no popular flight routes from Ontario to Monterrey.
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  • 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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