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Ontario

$125+ Cheap flights from Mexico to Ontario (ONT)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
Nov 14 — Nov 211
Fri 11/14
Fri 11/21
1 adult, Economy
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Find flight deals from Mexico to Ontario

Cheapest flights from Mexico to Ontario
Explore the most affordable flight options available from Mexico to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 15, 2025.

This OneTravel deal was found by Cheapflights users on 10/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:54 pmSJD - ONT
Nonstop2h 25mVolaris
Mon 10/2012:40 pmONT - SJD
Nonstop2h 24mVolaris
Deal found 10/13$179
This OneTravel deal was found by Cheapflights users on 10/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/168:43 amBJX - ONT
Nonstop3h 17mVolaris
Mon 10/2711:59 pmONT - BJX
Nonstop3h 01mVolaris
Deal found 10/13$193
This OneTravel deal was found by Cheapflights users on 10/14. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:54 pmSJD - ONT
Nonstop2h 25mVolaris
Mon 10/2712:40 pmONT - SJD
Nonstop2h 24mVolaris
Deal found 10/14$220
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:35 pmGDL - ONT
Nonstop3h 17mFrontier
Mon 11/2411:34 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 10/15$257
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/229:35 pmGDL - ONT
Nonstop3h 17mFrontier
Mon 11/2411:34 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 10/14$258
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:29 pmGDL - ONT
1 stop10h 13mFrontier
Mon 11/2412:42 amONT - GDL
Nonstop2h 58mFrontier
Deal found 10/15$260
This OneTravel deal was found by Cheapflights users on 10/12. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:06 pmSJD - ONT
Nonstop2h 38mVolaris
Sat 11/812:50 pmONT - SJD
Nonstop2h 22mVolaris
Deal found 10/12$267
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:35 pmGDL - ONT
Nonstop3h 17mFrontier
Sun 11/2312:42 amONT - GDL
Nonstop2h 58mFrontier
Deal found 10/15$273
This Frontier deal was found by Cheapflights users on 10/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:35 pmGDL - ONT
Nonstop3h 17mFrontier
Mon 11/1711:34 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 10/13$276
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1912:29 pmGDL - ONT
1 stop10h 13mFrontier
Fri 11/2812:42 amONT - GDL
Nonstop2h 58mFrontier
Deal found 10/15$277
This Frontier deal was found by Cheapflights users on 10/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:04 pmGDL - ONT
Nonstop3h 09mFrontier
Mon 11/312:42 amONT - GDL
Nonstop2h 58mFrontier
Deal found 10/15$279
This Frontier deal was found by Cheapflights users on 10/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:04 pmGDL - ONT
Nonstop3h 09mFrontier
Sun 11/211:34 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 10/14$281

Cheap flight deals from Mexico to Ontario

Keep the following information in mind while searching for Mexico to Ontario flight deals. Data was last updated October 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Expedia)

One-way from

$125
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$340

Good round-trip deal

$204 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Mexico City Benito Juarez-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Mexico City Benito Juarez-Los Angeles flights.
Search Deals
From Mexico to Ontario
Search Deals
One-way flight from Mexico to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Mexico to Ontario.
Search Deals
Price to beat on a one-way flight from Mexico to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico to Ontario 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 October 15, 2025.
Use the filters below to find and compare flights from Mexico to Ontario that are best for you.

Fly from

Mexico

Fly to

Ontario

Route

Depart

Return

Price

San José del CaboOntario

SJD - ONT

SJDONT

San José del Cabo Los Cabos

Fri 10/24

3:54 pm-6:19 pm

Nonstop2h 25m

Ontario

Mon 10/27

12:40 pm-3:04 pm

Nonstop2h 24m

$220

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Thu 4/2

8:28 am-11:00 am

Nonstop3h 32m

Ontario

Mon 4/6

11:59 pm-3:57 am

Nonstop2h 58m

$237

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Wed 1/21

1:35 pm-5:43 pm

2 stops30h 08m

Ontario

Wed 1/28

6:00 am-10:35 pm

2 stops14h 35m

$248

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Fri 1/23

5:45 am-9:58 pm

1 stop18h 13m

Ontario

Mon 1/26

6:00 am-10:35 pm

1 stop14h 35m

$249

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Fri 2/13

1:35 pm-12:43 pm

2 stops25h 08m

Ontario

Sun 3/1

6:00 am-12:36 pm

1 stop28h 36m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Sat 3/14

8:53 pm-11:14 pm

Nonstop3h 21m

Ontario

Sat 3/21

11:34 pm-3:32 am

Nonstop2h 58m

$260

San José del CaboOntario

SJD - ONT

SJDONT

San José del Cabo Los Cabos

Sun 11/2

5:06 pm-6:44 pm

Nonstop2h 38m

Ontario

Sat 11/8

12:50 pm-4:12 pm

Nonstop2h 22m

$267

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Thu 11/6

9:35 pm-10:52 pm

Nonstop3h 17m

Ontario

Sun 11/9

11:34 pm-4:32 am

Nonstop2h 58m

$282

LeónOntario

BJX - ONT

BJXONT

León Del Bajio

Sat 3/14

8:28 am-11:00 am

Nonstop3h 32m

Ontario

Mon 3/23

11:59 pm-3:57 am

Nonstop2h 58m

$283

CancúnOntario

CUN - ONT

CUNONT

Cancun

Thu 11/6

2:58 pm-10:22 pm

1 stop10h 24m

Ontario

Mon 11/17

10:25 pm-12:22 pm

1 stop10h 57m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

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

Have a flexible travel schedule? Discover the best time to fly to Ontario from Mexico 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 Mexico to Ontario

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

Currently, August is the cheapest month in which you can book a flight from Mexico to Ontario (average of $92). Flying from Mexico to Ontario in July is currently the most expensive (average of $169). 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 MX to ONT?

Find hourly flight availability from Mexico to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 15, 2025.

One of the essential ways to save on airfare from Mexico to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 15, 2025.
Read through reviews of airlines operating flights from Mexico to Ontario, such as Volaris and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Volaris
6.7
Okay
1,150 reviews

Entertainment

5.0

Food

5.3

Boarding

6.6

Crew

7.3

Comfort

6.4

Overall

6.7

Reviews

1 / 20
4.0
Okay

Tania,Jul 2025

OAX - MEX

They don’t even offer you water, we paid $300 usd from Oaxaca to PV and you have to pay for water, and tv entertainment. Seats are super small that a regular size person won’t fit comfortably.
Volaris
6.7
Okay
1,150 reviews
Volaris
6.7
Okay
1,150 reviews

Entertainment

5.0

Food

5.3

Boarding

6.6

Crew

7.3

Comfort

6.4

Overall

6.7

Reviews

1 / 20
4.0
Okay

Tania,Jul 2025

OAX - MEX

They don’t even offer you water, we paid $300 usd from Oaxaca to PV and you have to pay for water, and tv entertainment. Seats are super small that a regular size person won’t fit comfortably.
Frontier
5.8
Fair
3,135 reviews
Volaris
6.7
Okay
1,150 reviews

Entertainment

5.0

Food

5.3

Boarding

6.6

Crew

7.3

Comfort

6.4

Overall

6.7

Reviews

1 / 20
4.0
Okay

Tania,Jul 2025

OAX - MEX

They don’t even offer you water, we paid $300 usd from Oaxaca to PV and you have to pay for water, and tv entertainment. Seats are super small that a regular size person won’t fit comfortably.

Related info for your journey

Find useful and relevant information for your journey from Mexico to Ontario. 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 into for flights to Ontario from Mexico?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Mexico. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Mexico to Ontario?

    Departing from Mexico to Ontario will take you 2h 25m. Mexico and Ontario are separated by a distance of 891 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Mexico to Ontario are Volaris ($129), United Airlines ($190), and Delta ($194).

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

    While some choose either Guadalajara Miguel Hidal - Ontario or Cancun - Ontario, Mexico City Benito Juarez - Ontario is the most popular route from Mexico to Ontario.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Mexico to Ontario 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 Mexico to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Mexico to Ontario (average of $92). Flying from Mexico to Ontario in July is currently the most expensive (average of $169). 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 Mexico to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Mexico to Ontario

Discover the top 2 airlines that operate flights from Mexico to Ontario. 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 October 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$264Average$358FlexibilityNo cancel feeOn-time79%
FrontierCheapest$268Average$321FlexibilityNo cancel feeOn-time62%

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