$129+ Cheap flights from Ontario (ONT) to Mexico City (MEX)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Oct 12 — Oct 191
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Mexico City with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Mexico City
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Best
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Cheapest flights from Ontario to Mexico CityExplore 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 12, 2026.
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 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:04 am -
1 stop10h 41m
Wed 10/1411:00 am -
1 stop6h 30m
Deal found 9/9![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 10/710:04 am -
1 stop10h 41m
Sun 10/1111:55 am -
1 stop24h 21m
Deal found 9/8![Multiple Airlines logo]()
$346
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop8h 49m
Tue 10/64:35 pm -
1 stop7h 30m
Deal found 9/11![Volaris logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/310:04 am -
1 stop10h 41m
Mon 10/511:55 am -
1 stop22h 14m
Deal found 9/7![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/1010:04 am -
1 stop10h 41m
Sat 10/1711:00 am -
1 stop6h 30m
Deal found 9/8![Multiple Airlines logo]()
$350
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:38 pm -
1 stop7h 07m
Mon 10/1211:00 am -
1 stop24h 31m
Deal found 9/9![Multiple Airlines logo]()
$352
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:55 am -
1 stop11h 30m
Tue 10/612:00 pm -
1 stop12h 05m
Deal found 9/11![Volaris logo]()
$357
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:36 pm -
1 stop8h 49m
Tue 10/64:35 pm -
1 stop7h 30m
Deal found 9/12![Volaris logo]()
$358
Best flights from Ontario to Mexico CityDiscover carefully curated flight deals from Ontario to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
Discover carefully curated flight deals from Ontario to Mexico City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 12, 2026.
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:33 pm -
1 stop28h 12m
Tue 10/277:00 am -
1 stop10h 38m
Deal found 9/11![Frontier logo]()
$402
This Delta deal was found by Cheapflights users on 9/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/219:45 am -
2 stops11h 35m
Tue 10/272:00 pm -
2 stops10h 55m
Deal found 9/7![Delta logo]()
$579
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.
Mon 1/46:37 pm -
1 stop10h 48m
Tue 1/1212:10 pm -
1 stop6h 39m
Deal found 9/11![Volaris logo]()
$598
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/286:00 am -
1 stop6h 25m
Thu 3/112:20 pm -
1 stop9h 01m
Deal found 9/10![United Airlines logo]()
$725
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/312:00 pm -
2 stops19h 40m
Thu 3/118:20 am -
2 stops17h 28m
Deal found 9/10![Delta logo]()
$579
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/46:00 am -
2 stops10h 40m
Thu 3/118:20 am -
2 stops17h 28m
Deal found 9/10![Delta logo]()
$579
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:45 am -
2 stops11h 35m
Wed 10/149:15 am -
2 stops15h 40m
Deal found 9/11![Delta logo]()
$599
This United Airlines deal was found by Cheapflights users on 9/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:00 am -
1 stop14h 30m
Sun 11/85:40 am -
2 stops17h 11m
Deal found 9/9![United Airlines logo]()
$729
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/286:00 am -
2 stops10h 40m
Thu 3/118:20 am -
2 stops17h 28m
Deal found 9/10![Delta logo]()
$609
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Thu 11/56:00 am -
1 stop14h 30m
Tue 11/103:30 pm -
1 stop8h 10m
Deal found 9/7![United Airlines logo]()
$741
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:00 am -
2 stops9h 35m
Thu 3/111:00 pm -
2 stops12h 48m
Deal found 9/11![Delta logo]()
$631
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/196:00 am -
1 stop6h 55m
Tue 2/2312:45 pm -
2 stops13h 03m
Deal found 9/8![Delta logo]()
$661
Last-minute flights from Ontario to Mexico CityDiscover last-minute flight deals from Ontario to Mexico City. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mexico City. Data last updated September 12, 2026 and is based on user searches.
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop8h 49m
Tue 10/64:35 pm -
1 stop7h 30m
Deal found 9/11![Volaris logo]()
$347
This Kissandfly.com 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2912:55 am -
1 stop11h 30m
Tue 10/612:00 pm -
1 stop12h 05m
Deal found 9/11![Volaris logo]()
$357
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:36 pm -
1 stop8h 49m
Tue 10/64:35 pm -
1 stop7h 30m
Deal found 9/12![Volaris logo]()
$358
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/310:04 am -
1 stop10h 41m
Mon 10/511:55 am -
1 stop22h 14m
Deal found 9/7![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:04 am -
1 stop10h 41m
Wed 10/1411:00 am -
1 stop6h 30m
Deal found 9/9![Multiple Airlines logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 10/710:04 am -
1 stop10h 41m
Sun 10/1111:55 am -
1 stop24h 21m
Deal found 9/8![Multiple Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:38 pm -
1 stop7h 07m
Mon 10/1211:00 am -
1 stop24h 31m
Deal found 9/9![Multiple Airlines logo]()
$352
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 10/1010:04 am -
1 stop10h 41m
Sat 10/1711:00 am -
1 stop6h 30m
Deal found 9/8![Multiple Airlines logo]()
$350
One-way flights from Ontario to Mexico CitySearch for one-way flight options from Ontario to Mexico City. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
Search for one-way flight options from Ontario to Mexico City. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/310:04 am -
1 stop10h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$129
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.
Thu 10/81:38 pm -
1 stop7h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Wed 11/115:07 pm -
2 stops27h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$152
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:55 am -
1 stop11h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Volaris logo]()
$153
This Kissandfly.com deal was found by Cheapflights users on 9/8. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/279:36 pm -
1 stop11h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Volaris logo]()
$154
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:36 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Volaris logo]()
$155
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:36 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Volaris logo]()
$156
This Super.com deal was found by Cheapflights users on 9/10. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:36 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Volaris logo]()
$161
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:36 pm -
1 stop8h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Volaris logo]()
$162
This Frontier deal was found by Cheapflights users on 9/7. 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 11/116:25 am -
1 stop8h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$163
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Kiwi.com) |
One-way from | $129 (Kiwi.com) |
Popular in | December |
Cheapest in | June |
Average price | $431 |
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 7,457,451 searches. Data last updated September 12, 2026.
Use the filters below to find and compare flights from Ontario to Mexico City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Sun 10/11
6:00 am-4:30 pm
2 stops9h 30m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$330
Quickest round-trip
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Tue 12/1
5:45 am-4:50 pm
1 stop9h 05m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$377
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Tue 1/5
5:00 am-10:30 pm
2 stops15h 30m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$380
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Mon 11/9
5:00 am-10:30 pm
2 stops15h 30m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$390
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Thu 10/29
6:00 am-9:40 pm
2 stops14h 40m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$393
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Sat 10/24
5:33 pm-10:45 pm
1 stop28h 12m
Mexico City Benito Juarez
Tue 10/27
7:00 am-4:38 pm
1 stop10h 38m
$402
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Fri 11/20
6:00 am-6:00 pm
2 stops10h 00m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$413
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Sun 11/15
6:00 am-10:05 am
1 stop26h 05m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$415
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Wed 9/23
6:00 am-4:25 pm
2 stops9h 25m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$419
OntarioMexico City
ONT Ontario - MEX Mexico City Benito Juarez
ONTMEX
Ontario
Sun 11/22
6:00 am-10:30 pm
1 stop14h 30m
Mexico City Benito Juarez
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$420
Showing 1-10 of 24 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Mexico City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Mexico City flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
ONT-MEX
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?
Booking 81 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, June is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $316). Flying from Ontario to Mexico City in December is currently the most expensive (average of $539). 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?
Airfare is below average for this route at the moment.
Ontario to Mexico City flights typically cost between $373 and $503 in October.The cheapest round-trip price found within the last 5 days was $344 on Multiple Airlines (Oct 7-Oct 14).
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 12, 2026.
Peruse reviews from past customers who have flown with American Airlines,Viva, andVolaris 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.
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Boarding
7.4
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Boarding
7.4
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Boarding
7.4
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
Crew
7.9
Entertainment
6.8
Comfort
7.2
Overall
7.1
Boarding
7.4
Food
6.4
Reviews
1 / 20
2.0
MediocreJeremy,Sep 2025
SAN - PHL
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Top 3 airlines flying from Ontario to Mexico City
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$348 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$261 | Average$363 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$563 | Average$697 | FlexibilityNo cancel fee | On-time71% |