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Cheap flights from Ontario to Monterrey from $68

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 8/8. 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
12:38 pm - 11:13 pmMTY-ONT
11h 35m1 stop
$293Volaris
Find Deal
Thu, Aug 28 - Thu, Sep 4
Volaris Logo
9:11 pm - 9:47 amONT-MTY
11h 36m1 stop
Volaris Logo
6:05 am - 11:00 amMTY-ONT
5h 55m1 stop
$295Volaris
Find Deal
Sat, Sep 13 - Sat, Sep 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
$304Volaris
Find Deal
Sun, Sep 14 - Mon, Sep 22
Volaris Logo
1:09 am - 11:57 amONT-MTY
9h 48m1 stop
Volaris Logo
12:38 pm - 7:21 pmMTY-ONT
7h 43m1 stop
$309Volaris
Find Deal
Wed, Aug 27 - Thu, Sep 4
Volaris Logo
1:09 am - 11:57 amONT-MTY
9h 48m1 stop
Volaris Logo
6:05 am - 11:00 amMTY-ONT
5h 55m1 stop
$322Volaris
Find Deal
Fri, Sep 12 - Sat, Sep 20
Logo
1:09 am - 7:48 pmONT-MTY
17h 39m2 stops
Logo
6:10 am - 6:19 pmMTY-ONT
13h 09m2 stops
$430
Find Deal
Sun, Sep 14 - Mon, Sep 22
American Airlines Logo
2:57 pm - 10:25 pmONT-MTY
6h 28m1 stop
American Airlines Logo
8:00 am - 10:16 pmMTY-ONT
15h 16m1 stop
$555American Airlines
Find Deal
Wed, Aug 27 - Thu, Sep 18
American Airlines Logo
2:57 pm - 10:25 pmONT-MTY
6h 28m1 stop
American Airlines Logo
8:00 am - 1:19 pmMTY-ONT
6h 19m1 stop
$557American Airlines
Find Deal
Wed, Aug 27 - Thu, Sep 18
United Airlines Logo
6:04 am - 3:02 pmONT-MTY
7h 58m1 stop
United Airlines Logo
3:58 pm - 9:25 pmMTY-ONT
6h 27m1 stop
$687United Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
6:04 am - 5:18 pmONT-MTY
10h 14m1 stop
United Airlines Logo
7:35 am - 8:33 pmMTY-ONT
13h 58m2 stops
$692United Airlines
Find Deal
Wed, Aug 27 - Thu, Sep 18

Volaris flights from Ontario to Monterrey

Our best Volaris deals on Ontario to Monterrey flight tickets
Volaris
Aug 28
ONT9:11 pmOntario
9h 23m
1 stop
MTY7:34 amMonterrey Gen Mariano Escobedo
Sep 4
MTY12:38 pmMonterrey Gen Mariano Escobedo
11h 35m
1 stop
ONT11:13 pmOntario
$293
Find similar
Volaris
Sep 13
ONT9:11 pmOntario
11h 36m
1 stop
MTY9:47 amMonterrey Gen Mariano Escobedo
Sep 20
MTY6:05 amMonterrey Gen Mariano Escobedo
5h 55m
1 stop
ONT11:00 amOntario
$295
Find similar
Volaris
Sep 14
ONT1:09 amOntario
7h 38m
1 stop
MTY9:47 amMonterrey Gen Mariano Escobedo
Sep 22
MTY5:51 pmMonterrey Gen Mariano Escobedo
6h 22m
1 stop
ONT11:13 pmOntario
$304
Find similar

United Airlines flights from Ontario to Monterrey

Our best United Airlines deals on Ontario to Monterrey flight tickets
United Airlines
Sep 13
ONT6:04 amOntario
7h 58m
1 stop
MTY3:02 pmMonterrey Gen Mariano Escobedo
Sep 20
MTY3:58 pmMonterrey Gen Mariano Escobedo
6h 27m
1 stop
ONT9:25 pmOntario
$687
Find similar
United Airlines
Aug 27
ONT6:04 amOntario
10h 14m
1 stop
MTY5:18 pmMonterrey Gen Mariano Escobedo
Sep 18
MTY7:35 amMonterrey Gen Mariano Escobedo
13h 58m
2 stops
ONT8:33 pmOntario
$692
Find similar
United Airlines
Aug 27
ONT6:50 pmOntario
12h 47m
2 stops
MTY8:37 amMonterrey Gen Mariano Escobedo
Sep 18
MTY10:00 amMonterrey Gen Mariano Escobedo
11h 33m
2 stops
ONT8:33 pmOntario
$697
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 August 1, 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 8/28

9:11 pm-7:34 am

1 stop9h 23m

Monterrey Gen Mariano Escobedo

Thu 9/4

12:38 pm-11:13 pm

1 stop11h 35m

$293

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 9/13

9:11 pm-9:47 am

1 stop11h 36m

Monterrey Gen Mariano Escobedo

Sat 9/20

6:05 am-11:00 am

1 stop5h 55m

$295

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sun 9/14

1:09 am-9:47 am

1 stop7h 38m

Monterrey Gen Mariano Escobedo

Mon 9/22

5:51 pm-11:13 pm

1 stop6h 22m

$304

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 8/27

1:09 am-11:57 am

1 stop9h 48m

Monterrey Gen Mariano Escobedo

Thu 9/4

12:38 pm-7:21 pm

1 stop7h 43m

$309

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Fri 9/12

1:09 am-11:57 am

1 stop9h 48m

Monterrey Gen Mariano Escobedo

Sat 9/20

6:05 am-11:00 am

1 stop5h 55m

$322

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sun 9/14

1:09 am-7:48 pm

2 stops17h 39m

Monterrey Gen Mariano Escobedo

Mon 9/22

6:10 am-6:19 pm

2 stops13h 09m

$430

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 8/27

2:57 pm-10:25 pm

1 stop6h 28m

Monterrey Gen Mariano Escobedo

Thu 9/18

8:00 am-10:16 pm

1 stop15h 16m

$555

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 8/27

2:57 pm-10:25 pm

1 stop6h 28m

Monterrey Gen Mariano Escobedo

Thu 9/18

8:00 am-1:19 pm

1 stop6h 19m

$557

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Sat 9/13

6:04 am-3:02 pm

1 stop7h 58m

Monterrey Gen Mariano Escobedo

Sat 9/20

3:58 pm-9:25 pm

1 stop6h 27m

$687

OntarioMonterrey

ONT - MTY

ONTMTY

Ontario

Wed 8/27

6:04 am-5:18 pm

1 stop10h 14m

Monterrey Gen Mariano Escobedo

Thu 9/18

7:35 am-8:33 pm

2 stops13h 58m

$692

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 $281. 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 morning. Flights from Ontario to Monterrey during this time can be as low as $277. 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

Best Price Found

$68

Fastest flight time

6h 00m

Direct flights

None

Airports in Monterrey

1 airport
The best one-way flight to Monterrey from Ontario in the past 72 hours is $68. The best round-trip flight deal from Ontario to Monterrey found on momondo in the last 72 hours is $293.
The fastest flight from Ontario to Monterrey takes 6h 00m
There are no direct flights from Ontario to Monterrey. Popular non-direct route for this connection is Ontario Airport - Monterrey Gen Mariano Escobedo Airport.
There is 1 airport near Monterrey: Monterrey Gen Mariano Escobedo (MTY)
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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 00m 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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