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Mexico City

$93+ 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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap 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 January 21, 2026.

This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/209:13 pm
ONT
-
MEX
1 stop9h 12m
Volaris
Tue 5/2612:00 pm
MEX
-
ONT
1 stop12h 05m
Volaris
Deal found 1/21$285
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:13 pm
ONT
-
MEX
1 stop9h 12m
Volaris
Mon 5/412:00 pm
MEX
-
ONT
1 stop8h 23m
Volaris
Deal found 1/20$287
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:13 pm
ONT
-
MEX
1 stop9h 12m
Volaris
Sun 5/108:10 am
MEX
-
ONT
1 stop12h 13m
Volaris
Deal found 1/21$288
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:13 pm
ONT
-
MEX
1 stop9h 12m
Volaris
Mon 5/412:00 pm
MEX
-
ONT
1 stop8h 23m
Volaris
Deal found 1/20$289
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:13 pm
ONT
-
MEX
1 stop9h 12m
Volaris
Sat 4/254:35 pm
MEX
-
ONT
1 stop7h 30m
Volaris
Deal found 1/21$292
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:55 am
ONT
-
MEX
1 stop7h 50m
Volaris
Sat 4/2512:00 pm
MEX
-
ONT
1 stop12h 05m
Volaris
Deal found 1/21$295
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2112:42 am
ONT
-
MEX
1 stop6h 43m
Volaris
Fri 2/272:10 pm
MEX
-
ONT
1 stop6h 34m
Volaris
Deal found 1/20$296
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2311:02 pm
ONT
-
MEX
1 stop9h 23m
Volaris
Mon 5/412:00 pm
MEX
-
ONT
1 stop8h 23m
Volaris
Deal found 1/20$297
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1511:02 pm
ONT
-
MEX
1 stop7h 43m
Volaris
Thu 3/194:45 pm
MEX
-
ONT
1 stop7h 07m
Volaris
Deal found 1/21$298
This FlightHub deal was found by Cheapflights users on 1/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:42 am
ONT
-
MEX
1 stop6h 43m
Volaris
Tue 3/1011:10 am
MEX
-
ONT
1 stop8h 34m
Volaris
Deal found 1/21$301
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:42 am
ONT
-
MEX
1 stop6h 43m
Volaris
Mon 3/912:05 pm
MEX
-
ONT
1 stop9h 06m
Volaris
Deal found 1/20$302
This FlightHub deal was found by Cheapflights users on 1/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:02 pm
ONT
-
MEX
1 stop8h 23m
Volaris
Fri 2/272:10 pm
MEX
-
ONT
1 stop6h 34m
Volaris
Deal found 1/20$303

Find 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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$285
(FlightHub)

One-way from

$93
(Jettzy)

Popular in

December

Cheapest in

April

Average price

$356
Provider with most accurate pricing for Ontario-Mexico City Benito Juarez flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Mexico City Benito Juarez flights.
Search Deals
From Ontario to Mexico City Benito Juarez
Search Deals
One-way flight from Ontario to Mexico City Benito Juarez
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 21, 2026.
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

Mon 3/23

12:42 am-9:25 am

1 stop7h 43m

Mexico City Benito Juarez

Wed 4/1

10:00 am-7:23 pm

1 stop10h 23m

$336

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Thu 2/19

11:02 pm-7:45 am

1 stop6h 43m

Mexico City Benito Juarez

Sun 2/22

2:10 pm-6:44 pm

1 stop6h 34m

$350

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Tue 2/17

11:02 pm-7:45 am

1 stop6h 43m

Mexico City Benito Juarez

Tue 2/24

4:45 pm-10:52 pm

1 stop8h 07m

$378

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Tue 2/10

12:42 am-9:25 am

1 stop6h 43m

Mexico City Benito Juarez

Sun 2/15

2:10 pm-6:44 pm

1 stop6h 34m

$408

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Mon 2/23

3:28 pm-10:30 pm

2 stops29h 02m

Mexico City Benito Juarez

Tue 4/7

8:40 am-11:56 pm

1 stop16h 16m

$493

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Thu 5/21

6:00 am-6:45 pm

2 stops11h 45m

Mexico City Benito Juarez

Sun 5/24

6:55 am-10:09 pm

2 stops16h 14m

$556

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Mon 3/16

10:25 pm-10:15 am

1 stop10h 50m

Mexico City Benito Juarez

Thu 3/26

10:40 am-11:51 pm

2 stops14h 11m

$563

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 5/22

6:00 am-6:45 pm

2 stops11h 45m

Mexico City Benito Juarez

Tue 5/26

7:50 am-11:44 pm

2 stops16h 54m

$579

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Sat 5/2

7:00 am-6:21 pm

1 stop10h 21m

Mexico City Benito Juarez

Mon 5/4

7:05 am-8:58 pm

1 stop14h 53m

$579

OntarioMexico City

ONT - MEX

ONTMEX

Ontario

Fri 2/20

6:00 am-6:40 pm

2 stops10h 40m

Mexico City Benito Juarez

Mon 2/23

8:35 am-11:49 pm

2 stops17h 14m

$579

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 23 results
1
2
3

Compare providers for flights from Ontario to Mexico City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Mexico City in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
BudgetAirPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Mexico City flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Ontario-Mexico City flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Ontario-Mexico City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Mexico City flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Mexico City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 January 16, 2026.

Booking 82 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, October is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $82). Flying from Ontario to Mexico City in July is currently the most expensive (average of $268). 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.

How much does it cost to fly round-trip from Ontario to Mexico City?

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 January 21, 2026.
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
11,174 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.
American Airlines
7.2
Good
11,174 reviews
American Airlines
7.2
Good
11,174 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.
Viva
7.0
Good
818 reviews
American Airlines
7.2
Good
11,174 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.
Volaris
6.6
Okay
1,172 reviews
American Airlines
7.2
Good
11,174 reviews

Entertainment

6.9

Overall

7.2

Comfort

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Susie,Jan 2026

CLT - TPA

This flight was delayed 3 or 4 times. We had boarded the plane, sat on plane for a good 30 minutes, then we had to board the aircraft, walk to a different gate, wait and then board another aircraft. We arrived in Tampa 4 hours later than the original booking. I feel there should have been some sort of compensation especially for the advantage members.

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 7h 43m. Volaris provides one of the quickest options available for as low as $336. 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 $234. Additional round-trip tickets that might be worth considering are offered by Volaris and American Airlines, with the lowest prices starting at $260 and $536, respectively. These flights start at 40% 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, October is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $82). Flying from Ontario to Mexico City in July is currently the most expensive (average of $268). 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

Traveling to a place near Mexico City?

Book flights to Mexico City if you plan to visit one of these locations
Taxco

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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
VivaCheapest$234Average$348FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$260Average$382FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$536Average$666FlexibilityNo cancel feeOn-time71%

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