Mexico

$36+ Cheap flights from Ontario (ONT) to Mexico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Mar 14 — Mar 211
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Cheap flight deals from Ontario to Mexico

Cheapest flights from Ontario to Mexico
Explore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This Gotogate deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:57 am
ONT
-
MLM
Nonstop3h 07m
Volaris
Sun 5/108:35 am
MLM
-
ONT
Nonstop3h 25m
Volaris
Deal found 2/9$164
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:59 pm
ONT
-
MLM
Nonstop3h 14m
Volaris
Wed 3/188:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/9$167
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:59 pm
ONT
-
MLM
Nonstop3h 14m
Volaris
Sun 3/228:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/10$170
This Mytrip deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/711:59 pm
ONT
-
MLM
Nonstop3h 14m
Volaris
Fri 3/208:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/10$171
This Gotogate deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2412:57 am
ONT
-
MLM
Nonstop3h 14m
Volaris
Sun 5/38:35 am
MLM
-
ONT
Nonstop3h 25m
Volaris
Deal found 2/10$172
This Mytrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:59 pm
ONT
-
MLM
Nonstop3h 14m
Volaris
Mon 3/29:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/11$174
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:57 am
ONT
-
MLM
Nonstop3h 14m
Volaris
Mon 3/168:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/9$175
This CheapOair deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1212:57 am
ONT
-
MLM
Nonstop3h 14m
Volaris
Sun 3/158:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/9$176
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1911:59 pm
ONT
-
MLM
Nonstop3h 14m
Volaris
Wed 3/49:11 am
MLM
-
ONT
Nonstop3h 49m
Volaris
Deal found 2/11$177
This Mytrip deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2012:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Mon 2/235:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/11$181
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1612:40 pm
ONT
-
SJD
Nonstop2h 24m
Volaris
Sun 5/174:02 pm
SJD
-
ONT
Nonstop2h 25m
Volaris
Deal found 2/9$182
This Mytrip deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1012:50 pm
ONT
-
SJD
Nonstop2h 22m
Volaris
Fri 2/135:06 pm
SJD
-
ONT
Nonstop2h 38m
Volaris
Deal found 2/9$183

Find flight deals from Ontario to Mexico

Keep the following information in mind while searching for Ontario to Mexico flight deals. Data was last updated February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$164
(Gotogate)

One-way from

$36
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$348

Good round-trip deal

$170 or less

Good one-way deal

$43 or less
Provider with most accurate pricing for Los Angeles-Mexico City Benito Juarez flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Mexico City Benito Juarez flights.
From Ontario to Mexico
One-way flight from Ontario to Mexico
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Ontario to Mexico.
Price to beat on a one-way flight from Ontario to Mexico.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Mexico 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, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
Use the filters below to find and compare flights from Ontario to Mexico that are best for you.

Fly from

Ontario

Fly to

Mexico

Route

Depart

Return

Price

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Sat 3/7

11:59 pm-5:13 am

Nonstop3h 14m

Morelia

Sun 3/22

8:11 am-11:00 am

Nonstop3h 49m

$170

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Thu 3/12

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Fri 3/20

8:11 am-11:00 am

Nonstop3h 49m

$176

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Sun 3/8

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Wed 3/25

8:11 am-11:00 am

Nonstop3h 49m

$176

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Thu 3/12

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Sun 3/15

8:11 am-11:00 am

Nonstop3h 49m

$176

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Thu 3/12

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Wed 3/18

8:11 am-11:00 am

Nonstop3h 49m

$176

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Thu 5/7

12:57 am-5:04 am

Nonstop3h 07m

Morelia

Sun 5/10

8:35 am-11:00 am

Nonstop3h 25m

$176

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Tue 3/10

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Fri 3/13

8:11 am-11:00 am

Nonstop3h 49m

$177

OntarioMorelia

ONT - MLM

ONTMLM

Ontario

Thu 3/19

12:57 am-5:11 am

Nonstop3h 14m

Morelia

Wed 3/25

8:11 am-11:00 am

Nonstop3h 49m

$177

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Sat 5/2

12:40 pm-3:04 pm

Nonstop2h 24m

San José del Cabo Los Cabos

Tue 5/5

4:02 pm-6:27 pm

Nonstop2h 25m

$185

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Sat 3/14

12:50 pm-3:12 pm

Nonstop2h 22m

San José del Cabo Los Cabos

Tue 3/17

4:06 pm-6:44 pm

Nonstop2h 38m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Mexico

What is the cheapest month to book a flight from Ontario to Mexico?

Currently, April is the cheapest month in which you can book a flight from Ontario to Mexico (average of $44). Flying from Ontario to Mexico in November is currently the most expensive (average of $148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MX?

Find hourly flight availability from Ontario to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 12, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mexico as you normally would.

How often are flights from Ontario to Mexico delayed?

About 13% of weekly flights between Ontario and Mexico have experienced delays in the past year, with the average delay time being 122 minutes.

What is the most punctual flight time for Ontario to Mexico flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ontario to Mexico flights?

Over the last year, Volaris have had the lowest number of delays on this route, with just 13% of flights being delayed.

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated February 12, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Ontario to Mexico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Entertainment

7.5

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Mexico?

    For a flight from Ontario to Mexico, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Mexico?

    There are many flights that can get you from Ontario to Mexico in 3h 14m. Fly via Volaris or Frontier to get the fastest option. The distance from Ontario to Mexico is about 1411 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Mexico one-way?

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $30. Delta flights start at $127 while deals on Southwest start at $145 one-way.

  • What are the most popular routes from Ontario to Mexico?

  • Can I find deals for flights from Ontario to Mexico that include hotel bookings?

    Yes. In addition to deals on Ontario to Mexico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Mexico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Mexico.

  • Can I find deals for business class flights from Ontario to Mexico?

    Yes. Cheapflights offers flight deals from Ontario to Mexico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Mexico?

    Currently, April is the cheapest month in which you can book a flight from Ontario to Mexico (average of $44). Flying from Ontario to Mexico in November is currently the most expensive (average of $148). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Ontario to Mexico

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Ontario to Mexico

Discover the top 9 airlines that operate flights from Ontario to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$107Average$335FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$160Average$464FlexibilityNo cancel feeOn-time69%
FrontierCheapest$167Average$402FlexibilityNo cancel feeOn-time62%
AeromexicoCheapest$179Average$359FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$191Average$447FlexibilityNo cancel feeOn-timeN/A
VivaCheapest$211Average$351FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$277Average$386FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$312Average$559FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$312Average$560FlexibilityNo cancel feeOn-time71%

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