$117+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
May 28 — Jun 41
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
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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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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 April 28, 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 April 28, 2026.
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/129:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 5/1412:00 pm
MEX
- ONT
1 stop12h 05m
Volaris
Deal found 4/23![Volaris logo]()
$332
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/109:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/134:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$334
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 5/129:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/134:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/23![Volaris logo]()
$339
This Justfly.com deal was found by Cheapflights users on 4/24. 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.
Wed 9/169:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Fri 9/1810:00 am
MEX
- ONT
1 stop10h 46m
Volaris
Deal found 4/24![Volaris logo]()
$340
This FlightHub deal was found by Cheapflights users on 4/27. 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.
Thu 9/249:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Mon 9/2812:00 pm
MEX
- ONT
1 stop8h 46m
Volaris
Deal found 4/27![Volaris logo]()
$344
This FlightHub deal was found by Cheapflights users on 4/24. 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 5/209:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Mon 6/84:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/24![Volaris logo]()
$346
This FlightHub deal was found by Cheapflights users on 4/25. 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 5/119:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Fri 5/1512:00 pm
MEX
- ONT
1 stop12h 05m
Volaris
Deal found 4/25![Volaris logo]()
$347
This FlightHub deal was found by Cheapflights users on 4/26. 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 9/139:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Sun 9/204:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/26![Volaris logo]()
$348
This FlightHub deal was found by Cheapflights users on 4/27. 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 10/712:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Mon 10/124:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$349
This FlightHub deal was found by Cheapflights users on 4/26. 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 10/712:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Sun 10/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/26![Volaris logo]()
$352
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/109:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Sat 5/164:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$354
This Justfly.com deal was found by Cheapflights users on 4/24. 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.
Wed 5/209:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/274:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/24![Volaris logo]()
$355
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 April 28, 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 April 28, 2026.
This Volaris deal was found by Cheapflights users on 4/27. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Sat 9/264:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$405
This Delta deal was found by Cheapflights users on 4/26. 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 7/229:40 am
ONT
- MEX
2 stops11h 25m
Delta
Wed 7/298:50 am
MEX
- ONT
2 stops15h 58m
Delta
Deal found 4/26![Delta logo]()
$547
This United Airlines deal was found by Cheapflights users on 4/25. 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 7/95:45 am
ONT
- MEX
1 stop11h 05m
United Airlines
Mon 7/135:00 am
MEX
- ONT
1 stop18h 37m
United Airlines
Deal found 4/25![United Airlines logo]()
$670
This Volaris deal was found by Cheapflights users on 4/26. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Sat 10/34:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/26![Volaris logo]()
$434
This Delta deal was found by Cheapflights users on 4/25. 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 9/2510:59 pm
ONT
- MEX
2 stops15h 46m
Delta
Tue 9/2911:15 am
MEX
- ONT
1 stop11h 41m
Delta
Deal found 4/25![Delta logo]()
$572
This Delta deal was found by Cheapflights users on 4/26. 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.
Sat 9/127:00 am
ONT
- MEX
1 stop11h 00m
Delta
Tue 9/221:10 pm
MEX
- ONT
1 stop9h 46m
Delta
Deal found 4/26![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 4/23. 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 8/25:45 am
ONT
- MEX
1 stop25h 50m
United Airlines
Tue 8/114:40 pm
MEX
- ONT
2 stops20h 32m
United Airlines
Deal found 4/23![United Airlines logo]()
$683
This Delta deal was found by Cheapflights users on 4/23. 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 8/210:00 pm
ONT
- MEX
2 stops16h 10m
Delta
Sun 8/96:45 am
MEX
- ONT
2 stops17h 59m
Delta
Deal found 4/23![Delta logo]()
$577
This Delta deal was found by Cheapflights users on 4/26. 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 6/49:50 am
ONT
- MEX
2 stops11h 25m
Delta
Wed 6/249:00 am
MEX
- ONT
2 stops15h 49m
Delta
Deal found 4/26![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 4/26. 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 6/49:50 am
ONT
- MEX
2 stops11h 25m
Delta
Tue 6/239:00 am
MEX
- ONT
2 stops24h 50m
Delta
Deal found 4/26![Delta logo]()
$635
This Delta deal was found by Cheapflights users on 4/27. 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 8/66:00 am
ONT
- MEX
2 stops9h 50m
Delta
Mon 8/108:50 am
MEX
- ONT
2 stops14h 06m
Delta
Deal found 4/27![Delta logo]()
$661
Last-minute flights from Ontario to Mexico CityDiscover last-minute flight deals from Ontario to Mexico City. Data last updated April 28, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mexico City. Data last updated April 28, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 4/24. 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 5/29:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Wed 5/64:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/24![Volaris logo]()
$360
This Kissandfly.com deal was found by Cheapflights users on 4/23. 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 5/412:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Wed 5/2010:00 am
MEX
- ONT
1 stop10h 46m
Volaris
Deal found 4/23![Volaris logo]()
$357
This FlightHub deal was found by Cheapflights users on 4/23. 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 5/412:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Tue 5/124:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/23![Volaris logo]()
$361
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/99:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Wed 5/134:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$356
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/109:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/134:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$334
This FlightHub deal was found by Cheapflights users on 4/24. 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 5/109:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 5/1412:00 pm
MEX
- ONT
1 stop12h 05m
Volaris
Deal found 4/24![Volaris logo]()
$340
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/109:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Sat 5/164:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/27![Volaris logo]()
$354
This FlightHub deal was found by Cheapflights users on 4/25. 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 5/119:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Fri 5/1512:00 pm
MEX
- ONT
1 stop12h 05m
Volaris
Deal found 4/25![Volaris logo]()
$347
This Justfly.com deal was found by Cheapflights users on 4/23. 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.
Tue 5/129:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 5/1412:00 pm
MEX
- ONT
1 stop12h 05m
Volaris
Deal found 4/23![Volaris logo]()
$332
This FlightHub deal was found by Cheapflights users on 4/23. 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.
Tue 5/129:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/134:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/23![Volaris logo]()
$339
This FlightHub deal was found by Cheapflights users on 4/24. 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 5/209:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Mon 6/84:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/24![Volaris logo]()
$346
This Justfly.com deal was found by Cheapflights users on 4/24. 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.
Wed 5/209:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Wed 5/274:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/24![Volaris logo]()
$355
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 April 28, 2026.
Search for one-way flight options from Ontario to Mexico City. Find affordable one-way fares based on user searches. Data last updated April 28, 2026.
This Jetabroad deal was found by Cheapflights users on 4/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/109:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/25![Volaris logo]()
$117
This Jetabroad deal was found by Cheapflights users on 4/23. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/119:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/23![Volaris logo]()
$120
This Jetabroad deal was found by Cheapflights users on 4/23. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/23![Volaris logo]()
$124
This Jetabroad deal was found by Cheapflights users on 4/24. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Deal found 4/24![Volaris logo]()
$125
This Jetabroad deal was found by Cheapflights users on 4/28. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/159:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/28![Volaris logo]()
$129
This FlightHub deal was found by Cheapflights users on 4/27. 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 5/2312:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Deal found 4/27![Volaris logo]()
$130
This FlightHub deal was found by Cheapflights users on 4/25. 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.
Tue 5/129:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Deal found 4/25![Volaris logo]()
$131
This Jetabroad deal was found by Cheapflights users on 4/25. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/49:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/25![Volaris logo]()
$133
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 April 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (FlightHub) |
One-way from | $117 (Jetabroad) |
Popular in | December |
Cheapest in | March |
Average price | $360 |
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 April 28, 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
Quickest round-trip
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Fri 9/18
9:36 pm-7:25 am
1 stop8h 49m
Mexico City Benito Juarez
Sat 9/26
4:35 pm-11:05 pm
1 stop7h 30m
$405
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Sat 9/12
9:36 pm-7:25 am
1 stop8h 49m
Mexico City Benito Juarez
Sat 10/3
4:35 pm-11:05 pm
1 stop7h 30m
$434
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Wed 7/22
9:40 am-10:05 pm
2 stops11h 25m
Mexico City Benito Juarez
Wed 7/29
8:50 am-11:48 pm
2 stops15h 58m
$547
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Fri 9/25
10:59 pm-3:45 pm
2 stops15h 46m
Mexico City Benito Juarez
Tue 9/29
11:15 am-9:56 pm
1 stop11h 41m
$572
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Sat 9/12
7:00 am-7:00 pm
1 stop11h 00m
Mexico City Benito Juarez
Tue 9/22
1:10 pm-9:56 pm
1 stop9h 46m
$572
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Sun 8/2
10:00 pm-3:10 pm
2 stops16h 10m
Mexico City Benito Juarez
Sun 8/9
6:45 am-11:44 pm
2 stops17h 59m
$577
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Thu 6/4
9:50 am-10:15 pm
2 stops11h 25m
Mexico City Benito Juarez
Wed 6/24
9:00 am-11:49 pm
2 stops15h 49m
$635
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Thu 6/4
9:50 am-10:15 pm
2 stops11h 25m
Mexico City Benito Juarez
Tue 6/23
9:00 am-8:50 am
2 stops24h 50m
$635
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Thu 8/6
6:00 am-4:50 pm
2 stops9h 50m
Mexico City Benito Juarez
Mon 8/10
8:50 am-9:56 pm
2 stops14h 06m
$661
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Thu 7/9
5:45 am-5:50 pm
1 stop11h 05m
Mexico City Benito Juarez
Mon 7/13
5:00 am-10:37 pm
1 stop18h 37m
$670
Showing 1-10 of 20 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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
- 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, March is the cheapest month in which you can book a flight from Ontario to Mexico City (average of $327). Flying from Ontario to Mexico City in December is currently the most expensive (average of $537). 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 April 28, 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.
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Boarding
7.5
Food
6.4
Comfort
7.2
Crew
7.9
Overall
7.1
Entertainment
6.9
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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.
Traveling to a place near Mexico City?
Book flights to Mexico City if you plan to visit one of these locationsTaxco
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Complete your trip
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Search flights from Ontario to Mexico City by cabin class
Find flights from Ontario to Mexico City, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Mexico City
Explore flights to Mexico City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Ontario and Mexico City flights
Browse other Ontario and Mexico City flight options. Last updated on April 28, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 April 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$172 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$370 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$563 | Average$695 | FlexibilityNo cancel fee | On-time71% |