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Ontario

$129+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — ONT
Jan 5 — Jan 121
Mon 1/5
Mon 1/12
1 adult, Economy
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Cheap 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 December 6, 2025.

This Mytrip deal was found by Cheapflights users on 12/4. 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 12/125:06 pmSJD - ONT
Nonstop2h 38mVolaris
Wed 12/1712:50 pmONT - SJD
Nonstop2h 22mVolaris
Deal found 12/4$175
This CheapOair deal was found by Cheapflights users on 12/4. 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.
Sat 12/205:06 pmSJD - ONT
Nonstop2h 38mVolaris
Sat 12/2712:50 pmONT - SJD
Nonstop2h 22mVolaris
Deal found 12/4$180
This Mytrip deal was found by Cheapflights users on 12/4. 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 12/115:06 pmSJD - ONT
Nonstop2h 38mVolaris
Thu 12/1812:50 pmONT - SJD
Nonstop2h 22mVolaris
Deal found 12/4$234
This Booking.com deal was found by Cheapflights users on 12/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/269:35 pmGDL - ONT
Nonstop3h 17mVolaris
Tue 12/3011:02 pmONT - GDL
Nonstop2h 58mVolaris
Deal found 12/4$262
This Frontier deal was found by Cheapflights users on 12/4. 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.
Thu 12/1112:29 pmGDL - ONT
1 stop10h 48mFrontier
Sat 12/1311:02 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 12/4$274
This Frontier deal was found by Cheapflights users on 12/4. 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 12/59:35 pmGDL - ONT
Nonstop3h 17mFrontier
Tue 12/1611:02 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 12/4$275
This Frontier deal was found by Cheapflights users on 12/4. 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.
Tue 12/99:35 pmGDL - ONT
Nonstop3h 17mFrontier
Wed 12/3111:02 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 12/4$281
This Frontier deal was found by Cheapflights users on 12/4. 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 12/269:35 pmGDL - ONT
Nonstop3h 17mFrontier
Mon 1/2611:02 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 12/4$282
This United Airlines deal was found by Cheapflights users on 12/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:26 pmGDL - ONT
2 stops28h 17mUnited Airlines
Wed 1/78:00 amONT - GDL
1 stop12h 35mUnited Airlines
Deal found 12/5$284
This United Airlines deal was found by Cheapflights users on 12/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/95:45 amGDL - ONT
3 stops19h 04mUnited Airlines
Wed 12/316:04 amONT - GDL
1 stop14h 31mUnited Airlines
Deal found 12/4$285
This Booking.com deal was found by Cheapflights users on 12/4. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:54 pmGDL - ONT
Nonstop3h 17mFrontier
Tue 12/1611:02 pmONT - GDL
Nonstop2h 58mFrontier
Deal found 12/4$287
This eDestinos deal was found by Cheapflights users on 12/5. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:06 pmSJD - ONT
Nonstop2h 38mVolaris
Sun 12/712:50 pmONT - SJD
Nonstop2h 22mVolaris
Deal found 12/5$290

Find flight deals from Mexico to Ontario

Keep the following information in mind while searching for Mexico to Ontario flight deals. Data was last updated December 6, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Round-trip from

$175
(Mytrip)

One-way from

$129
(Expedia)

Popular in

December

Cheapest in

March

Average price

$416

Good round-trip deal

$268 or less

Good one-way deal

$135 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. 12% potential increase in price ($43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 6, 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

Mon 1/19

3:36 pm-10:52 pm

1 stop8h 16m

Ontario

Mon 1/26

12:50 pm-4:12 pm

Nonstop2h 22m

$243

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Wed 1/28

1:35 pm-9:58 pm

1 stop10h 23m

Ontario

Wed 2/4

1:53 pm-12:36 pm

2 stops20h 43m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Thu 2/26

4:15 pm-11:49 pm

1 stop9h 34m

Ontario

Tue 3/3

6:00 am-2:26 pm

1 stop6h 26m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Tue 2/24

5:45 am-5:41 pm

2 stops13h 56m

Ontario

Mon 3/2

6:00 am-10:35 pm

1 stop14h 35m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Tue 2/24

5:45 am-5:41 pm

2 stops13h 56m

Ontario

Wed 3/4

8:00 am-10:35 pm

1 stop12h 35m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Tue 2/10

5:45 am-10:53 pm

2 stops19h 08m

Ontario

Sun 2/15

6:00 am-10:35 pm

1 stop14h 35m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Tue 5/12

12:30 pm-9:21 pm

1 stop9h 51m

Ontario

Sun 5/17

7:00 am-11:25 am

2 stops27h 25m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Tue 2/24

5:45 am-8:50 pm

2 stops17h 05m

Ontario

Tue 3/3

8:00 am-10:35 pm

1 stop12h 35m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Fri 1/23

5:45 am-10:53 pm

2 stops19h 08m

Ontario

Fri 1/30

5:05 am-10:35 pm

2 stops15h 30m

$250

GuadalajaraOntario

GDL - ONT

GDLONT

Guadalajara Miguel Hidal

Fri 2/27

5:45 am-9:59 pm

1 stop18h 14m

Ontario

Sun 3/1

6:00 am-10:35 pm

1 stop14h 35m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

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 December 6, 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 28% on airfare.

How often are flights from Mexico to Ontario delayed?

About 9% of weekly flights between Mexico and Ontario have experienced delays in the past year, with the average delay time being 111 minutes.

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

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

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

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

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

Over the last year, Volaris have had the lowest number of delays on this route, with just 9% of flights being delayed.

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 December 6, 2025.
Read through reviews of airlines operating flights from Mexico to Ontario, such as American Airlines, Volaris, and Frontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,043 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink
American Airlines
7.2
Good
11,043 reviews
American Airlines
7.2
Good
11,043 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink
Volaris
6.7
Okay
1,155 reviews
American Airlines
7.2
Good
11,043 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink
Frontier
5.8
Fair
3,090 reviews
American Airlines
7.2
Good
11,043 reviews

Entertainment

6.9

Comfort

7.2

Food

6.5

Overall

7.2

Boarding

7.5

Crew

8.0

Reviews

1 / 20
4.0
Okay

Daniel,Apr 2024

MEX - JFK

Poor business class with no food or screens. Only water coffee and orange juice to drink

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 8h 16m. 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 ($109), Viva ($144), and Frontier ($164).

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

    While some choose either Mexico City Benito Juarez - Ontario or San José del Cabo Los Cabos - Ontario, Guadalajara Miguel Hidal - 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Mexico to Ontario

Discover the top 3 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 December 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$260Average$316FlexibilityNo cancel feeOn-time62%
VolarisCheapest$264Average$359FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$527Average$695FlexibilityNo cancel feeOn-time71%

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