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Mexico City

$113+ Cheap flights from Ontario (ONT) to Mexico City (MEX)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Mexico City Benito Juarez are usually found in April or February, booked 38 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Ontario to Mexico City

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Mexico City (MEX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 14, 2025.

Round-trip from

$302
(Mytrip)

One-way from

$113
(CheapOair)

Popular in

November

Cheapest in

April

Average price

$411
From Ontario to Mexico City Benito Juarez
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One-way flight from Ontario to Mexico City Benito Juarez
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Highest demand for flights based on searches. 17% potential increase in price ($90 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Mexico City

Cheapest flights from Ontario to Mexico City
Explore the most affordable flight options available from Ontario to Mexico City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Mytrip deal was found by Cheapflights users on 9/11. 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.
Mon 10/139:11 pmONT - MEX
1 stop11h 29mVolaris
Fri 10/244:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 9/11$302
This CheapOair deal was found by Cheapflights users on 9/11. 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.
Sat 10/1112:40 pmONT - MEX
1 stop10h 05mVolaris
Sat 10/184:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 9/11$317
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:40 pmONT - MEX
1 stop10h 05mVolaris
Wed 10/84:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 9/12$334
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:11 pmONT - MEX
1 stop7h 49mVolaris
Wed 10/84:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 9/14$340
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:53 amONT - MEX
2 stops16h 52mMultiple Airlines
Sat 12/68:10 amMEX - ONT
1 stop28h 47mMultiple Airlines
Deal found 9/12$343
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:09 amONT - MEX
1 stop10h 31mVolaris
Wed 10/154:30 pmMEX - ONT
1 stop7h 43mVolaris
Deal found 9/14$344
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:04 amONT - MEX
1 stop8h 56mMultiple Airlines
Wed 10/158:10 amMEX - ONT
1 stop16h 40mMultiple Airlines
Deal found 9/14$351
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:28 pmONT - MEX
1 stop8h 32mMultiple Airlines
Sun 10/511:45 amMEX - ONT
1 stop20h 32mMultiple Airlines
Deal found 9/13$353
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:00 amONT - MEX
1 stop10h 50mMultiple Airlines
Sun 11/25:20 amMEX - ONT
1 stop14h 29mMultiple Airlines
Deal found 9/13$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Mexico City 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 September 14, 2025.
Use the filters below to find and compare flights from Ontario to Mexico City that are best for you.

Fly from

Ontario

Fly to

Mexico City

Route

Depart

Return

Price

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 10/11

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

Sat 10/18

4:30 pm-11:13 pm

1 stop7h 43m

$317

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Tue 10/28

8:00 am-9:10 pm

1 stop12h 10m

Mexico City Benito Juarez

Sat 11/1

8:00 am-11:50 pm

2 stops16h 50m

$440

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 10/4

8:59 pm-1:40 pm

2 stops15h 41m

Mexico City Benito Juarez

Sun 10/12

8:10 am-9:55 pm

2 stops14h 45m

$480

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Wed 10/8

6:53 am-9:10 pm

2 stops13h 17m

Mexico City Benito Juarez

Sat 10/18

7:55 am-11:50 pm

2 stops16h 55m

$483

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Thu 10/2

1:09 am-1:10 pm

1 stop11h 01m

Mexico City Benito Juarez

Sun 10/5

9:00 am-6:19 pm

1 stop10h 19m

$484

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Wed 10/22

8:00 am-9:10 pm

1 stop12h 10m

Mexico City Benito Juarez

Mon 11/24

7:00 am-5:51 pm

1 stop12h 51m

$484

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Wed 11/19

6:53 am-10:00 pm

2 stops13h 07m

Mexico City Benito Juarez

Tue 11/25

8:10 am-3:26 pm

1 stop9h 16m

$485

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 10/24

12:40 pm-11:45 pm

1 stop10h 05m

Mexico City Benito Juarez

Sun 10/26

12:05 pm-7:21 pm

1 stop8h 16m

$496

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 10/3

12:13 pm-10:55 pm

1 stop9h 42m

Mexico City Benito Juarez

Sun 10/5

3:10 pm-7:17 am

2 stops17h 07m

$514

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 10/11

7:04 am-10:00 pm

2 stops13h 56m

Mexico City Benito Juarez

Sat 10/18

7:55 am-8:42 pm

2 stops13h 47m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 23 results
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Best time to book a flight from Ontario to Mexico City

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

How far ahead should I book a flight from Ontario to Mexico City?

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Mexico City. Price data was last updated on September 12, 2025.

Booking 38 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Mexico City. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, May is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $387). Flying from Ontario to Mexico City in December is currently the most expensive (average of $615). 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 MEX?

Find hourly flight availability from Ontario to Mexico City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 52% on flights from Ontario to Mexico City by exploring options for tickets in the afternoon.

Reviews of airlines servicing Mexico City

Get insights into the airlines that provide service to Mexico City. 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 City. Reviews last updated September 14, 2025.
Peruse reviews from past customers who have flown with American Airlines, Viva, and Volaris from Ontario to Mexico City to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Viva
7.0
Good
788 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Volaris
6.6
Okay
1,155 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Overall

7.2

Comfort

7.2

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mexico City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Mexico City?

    A quick flight from Ontario to Mexico City can take about 10h 05m. Volaris provides one of the quickest options available for as low as $317. The distance from Ontario to Mexico City is about 1520 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 flying from Ontario to Mexico City round-trip?

    Flying on Viva is currently your cheapest option to Mexico City, with prices starting at $228. Additional round-trip tickets that might be worth considering are offered by Volaris and American Airlines, with the lowest prices starting at $280 and $536, respectively. These flights start at 46% lower than the current average price 3 months from now.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $387). Flying from Ontario to Mexico City in December is currently the most expensive (average of $615). 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 City

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Top 3 airlines flying from Ontario to Mexico City

Discover the top 3 airlines that operate flights from Ontario to Mexico City. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
VivaCheapest$228Average$248FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$280Average$380FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$536Average$702FlexibilityNo cancel feeOn-time71%

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