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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 10/20. 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

Volaris Logo
9:11 pm - 7:34 amONT-MTY
9h 23m1 stop
Volaris Logo
5:00 pm - 11:12 pmMTY-ONT
8h 12m1 stop
$301Volaris
Find Deal
Fri, Oct 31 - Fri, Nov 7
Volaris Logo
12:40 pm - 8:08 pmONT-MTY
6h 28m1 stop
Volaris Logo
5:51 pm - 11:13 pmMTY-ONT
6h 22m1 stop
$305Volaris
Find Deal
Wed, Oct 15 - Mon, Oct 20
Volaris Logo
1:09 am - 9:47 amONT-MTY
7h 38m1 stop
Volaris Logo
5:51 pm - 11:13 pmMTY-ONT
6h 22m1 stop
$312Volaris
Find Deal
Tue, Oct 14 - Mon, Oct 20
Volaris Logo
1:09 am - 11:57 amONT-MTY
9h 48m1 stop
Volaris Logo
5:00 pm - 11:12 pmMTY-ONT
8h 12m1 stop
$318Volaris
Find Deal
Thu, Oct 30 - Fri, Nov 7
Multiple Airlines Logo
8:00 am - 7:05 pmONT-MTY
10h 05m1 stop
Multiple Airlines Logo
10:10 pm - 7:21 pmMTY-ONT
22h 11m2 stops
$410Multiple Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
Volaris Logo
11:59 pm - 9:10 amONT-MTY
8h 11m1 stop
Volaris Logo
5:51 pm - 11:13 pmMTY-ONT
6h 22m1 stop
$418Volaris
Find Deal
Fri, Oct 3 - Sun, Oct 5
Multiple Airlines Logo
10:40 pm - 11:47 pmONT-MTY
24h 07m2 stops
Multiple Airlines Logo
8:37 pm - 11:12 pmMTY-ONT
28h 35m1 stop
$419Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
United Airlines Logo
5:05 am - 3:02 pmONT-MTY
8h 57m2 stops
United Airlines Logo
12:10 pm - 10:52 pmMTY-ONT
11h 42m2 stops
$643United Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
United Airlines Logo
6:00 am - 3:20 pmONT-MTY
8h 20m1 stop
United Airlines Logo
6:00 am - 5:34 pmMTY-ONT
13h 34m1 stop
$683United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
6:01 am - 1:19 pmONT-MTY
5h 18m1 stop
American Airlines Logo
3:23 pm - 10:15 pmMTY-ONT
8h 52m1 stop
$722American Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9

Volaris flights from Ontario to Monterrey

Our best Volaris deals on Ontario to Monterrey flight tickets
Volaris
Oct 31
ONT9:11 pmOntario
9h 23m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Nov 7
MTY5:00 pmMonterrey Gen Mariano Escobedo
8h 12m
1 stop
ONT11:12 pmOntario
$301
Find similar
Volaris
Oct 15
ONT12:40 pmOntario
6h 28m
1 stop
MTY8:08 pmMonterrey Gen Mariano Escobedo
Oct 20
MTY5:51 pmMonterrey Gen Mariano Escobedo
6h 22m
1 stop
ONT11:13 pmOntario
$305
Find similar
Volaris
Oct 14
ONT1:09 amOntario
7h 38m
1 stop
MTY9:47 amMonterrey Gen Mariano Escobedo
Oct 20
MTY5:51 pmMonterrey Gen Mariano Escobedo
6h 22m
1 stop
ONT11:13 pmOntario
$312
Find similar

United Airlines flights from Ontario to Monterrey

Our best United Airlines deals on Ontario to Monterrey flight tickets
United Airlines
Oct 15
ONT5:05 amOntario
8h 57m
2 stops
MTY3:02 pmMonterrey Gen Mariano Escobedo
Oct 20
MTY12:10 pmMonterrey Gen Mariano Escobedo
11h 42m
2 stops
ONT10:52 pmOntario
$643
Find similar
United Airlines
Oct 30
ONT6:00 amOntario
8h 20m
1 stop
MTY3:20 pmMonterrey Gen Mariano Escobedo
Nov 6
MTY6:00 amMonterrey Gen Mariano Escobedo
13h 34m
1 stop
ONT5:34 pmOntario
$683
Find similar
United Airlines
Dec 25
ONT6:04 amOntario
10h 07m
1 stop
MTY6:11 pmMonterrey Gen Mariano Escobedo
Jan 11
MTY6:00 amMonterrey Gen Mariano Escobedo
8h 14m
1 stop
ONT12:14 pmOntario
$689
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 September 17, 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

Fri 10/31

9:11 pm-7:34 am

1 stop9h 23m

Monterrey Gen Mariano Escobedo

Fri 11/7

5:00 pm-11:12 pm

1 stop8h 12m

$301

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 10/15

12:40 pm-8:08 pm

1 stop6h 28m

Monterrey Gen Mariano Escobedo

Mon 10/20

5:51 pm-11:13 pm

1 stop6h 22m

$305

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Tue 10/14

1:09 am-9:47 am

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Mon 10/20

5:51 pm-11:13 pm

1 stop6h 22m

$312

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 10/30

1:09 am-11:57 am

1 stop9h 48m

Monterrey Gen Mariano Escobedo

Fri 11/7

5:00 pm-11:12 pm

1 stop8h 12m

$318

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 10/15

8:00 am-7:05 pm

1 stop10h 05m

Monterrey Gen Mariano Escobedo

Mon 10/20

10:10 pm-7:21 pm

2 stops22h 11m

$410

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 10/3

11:59 pm-9:10 am

1 stop8h 11m

Monterrey Gen Mariano Escobedo

Sun 10/5

5:51 pm-11:13 pm

1 stop6h 22m

$418

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 10/31

10:40 pm-11:47 pm

2 stops24h 07m

Monterrey Gen Mariano Escobedo

Fri 11/7

8:37 pm-11:12 pm

1 stop28h 35m

$419

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 10/15

5:05 am-3:02 pm

2 stops8h 57m

Monterrey Gen Mariano Escobedo

Mon 10/20

12:10 pm-10:52 pm

2 stops11h 42m

$643

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Thu 10/30

6:00 am-3:20 pm

1 stop8h 20m

Monterrey Gen Mariano Escobedo

Thu 11/6

6:00 am-5:34 pm

1 stop13h 34m

$683

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 11/7

6:01 am-1:19 pm

1 stop5h 18m

Monterrey Gen Mariano Escobedo

Sun 11/9

3:23 pm-10:15 pm

1 stop8h 52m

$722

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 $278. 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 $328.

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 $282. 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 5h 18m 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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