$84+ Cheap flights from Ontario (ONT) to Mexico
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Jun 28 — Jul 51
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Mexico with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Ontario to MexicoExplore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.
Explore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Sun 9/1312:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/27![Volaris logo]()
$256
This FlightHub deal was found by Cheapflights users on 5/29. 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 7/512:55 am
ONT
- CUN
1 stop9h 09m
Volaris
Thu 7/910:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/29![Volaris logo]()
$268
This FlightHub deal was found by Cheapflights users on 5/29. 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 7/29:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Thu 7/912:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/29![Volaris logo]()
$269
This FlightHub deal was found by Cheapflights users on 5/26. 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 6/79:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Tue 6/94:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/26![Volaris logo]()
$270
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/174:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/25![Volaris logo]()
$270
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 6/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/26![Volaris logo]()
$271
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:55 am
ONT
- CUN
1 stop9h 09m
Volaris
Thu 6/1810:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/25![Volaris logo]()
$271
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Fri 7/39:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 7/94:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/27![Volaris logo]()
$273
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:55 am
ONT
- CUN
1 stop12h 33m
Volaris
Fri 9/1810:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/27![Volaris logo]()
$274
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Fri 7/39:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Wed 7/84:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/27![Volaris logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:36 pm
ONT
- GDL
Nonstop3h 03m
Volaris
Mon 9/145:40 pm
GDL
- ONT
Nonstop3h 06m
Volaris
Deal found 5/28![Volaris logo]()
$275
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Sat 6/69:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Thu 6/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/25![Volaris logo]()
$277
Best flights from Ontario to MexicoDiscover carefully curated flight deals from Ontario to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 29, 2026.
Discover carefully curated flight deals from Ontario to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 29, 2026.
This Volaris deal was found by Cheapflights users on 5/26. 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.
Tue 7/79:36 pm
ONT
- MID
1 stop10h 10m
Volaris
Tue 7/219:18 am
MID
- ONT
1 stop11h 28m
Volaris
Deal found 5/26![Volaris logo]()
$398
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am
ONT
- GDL
1 stop6h 42m
Delta
Mon 11/94:15 pm
GDL
- ONT
1 stop9h 33m
Delta
Deal found 5/28![Delta logo]()
$443
This Kiwi.com deal was found by Cheapflights users on 5/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:55 am
ONT
- PVR
1 stop7h 45m
Multiple Airlines
Tue 6/304:00 pm
PVR
- ONT
1 stop28h 46m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$448
This Frontier deal was found by Cheapflights users on 5/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:30 pm
ONT
- MLM
Nonstop3h 15m
Frontier
Sat 8/2910:25 am
MLM
- ONT
Nonstop3h 25m
Frontier
Deal found 5/25![Frontier logo]()
$469
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:01 am
ONT
- GDL
2 stops25h 24m
United Airlines
Wed 9/912:30 pm
GDL
- ONT
2 stops24h 42m
United Airlines
Deal found 5/27![United Airlines logo]()
$478
This Southwest deal was found by Cheapflights users on 5/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:20 am
ONT
- CUN
2 stops8h 55m
Southwest
Wed 11/48:20 am
CUN
- ONT
2 stops10h 50m
Southwest
Deal found 5/26![Southwest logo]()
$611
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:36 pm
ONT
- PVR
2 stops12h 46m
Volaris
Mon 7/612:13 pm
PVR
- ONT
1 stop11h 52m
Volaris
Deal found 5/28![Volaris logo]()
$422
This Mytrip deal was found by Cheapflights users on 5/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:36 pm
ONT
- MID
1 stop10h 10m
Volaris
Sat 9/1912:47 pm
MID
- ONT
2 stops11h 18m
Volaris
Deal found 5/26![Volaris logo]()
$428
This Mytrip deal was found by Cheapflights users on 5/25. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2112:55 am
ONT
- MID
2 stops17h 32m
Multiple Airlines
Wed 7/19:20 am
MID
- ONT
2 stops14h 45m
Multiple Airlines
Deal found 5/25![Multiple Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 5/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:45 am
ONT
- GDL
1 stop14h 49m
United Airlines
Tue 6/162:30 pm
GDL
- ONT
1 stop8h 25m
United Airlines
Deal found 5/27![United Airlines logo]()
$486
This Delta deal was found by Cheapflights users on 5/26. 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.
Mon 7/206:20 am
ONT
- GDL
1 stop12h 47m
Delta
Mon 8/38:31 am
GDL
- ONT
1 stop15h 14m
Delta
Deal found 5/26![Delta logo]()
$513
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/49:36 pm
ONT
- PVR
2 stops12h 46m
Volaris
Mon 7/611:52 am
PVR
- ONT
2 stops12h 13m
Volaris
Deal found 5/28![Volaris logo]()
$440
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Sat 11/76:53 pm
ONT
- MLM
2 stops22h 29m
United Airlines
Tue 11/178:00 am
MLM
- ONT
2 stops14h 20m
United Airlines
Deal found 5/25![United Airlines logo]()
$493
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2512:55 am
ONT
- OAX
2 stops12h 06m
Volaris
Thu 7/22:29 pm
OAX
- ONT
1 stop6h 17m
Volaris
Deal found 5/28![Volaris logo]()
$448
This Delta deal was found by Cheapflights users on 5/26. 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.
Tue 8/46:00 am
ONT
- MEX
2 stops11h 45m
Delta
Mon 8/311:20 pm
MEX
- ONT
2 stops10h 03m
Delta
Deal found 5/26![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 5/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:02 am
ONT
- CUN
1 stop8h 48m
United Airlines
Wed 11/41:27 pm
CUN
- ONT
1 stop11h 59m
United Airlines
Deal found 5/26![United Airlines logo]()
$516
This Southwest deal was found by Cheapflights users on 5/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/268:40 pm
ONT
- CUN
2 stops15h 00m
Southwest
Wed 7/2911:05 am
CUN
- ONT
2 stops10h 55m
Southwest
Deal found 5/27![Southwest logo]()
$631
This Delta deal was found by Cheapflights users on 5/25. 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.
Thu 7/306:00 am
ONT
- PVR
1 stop7h 20m
Delta
Sun 8/23:30 pm
PVR
- ONT
1 stop9h 18m
Delta
Deal found 5/25![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Sat 10/246:32 pm
ONT
- CUN
2 stops13h 58m
United Airlines
Sat 10/313:51 pm
CUN
- ONT
1 stop7h 30m
United Airlines
Deal found 5/25![United Airlines logo]()
$516
This Volaris deal was found by Cheapflights users on 5/28. 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 Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Sun 7/53:36 pm
SJD
- ONT
1 stop7h 29m
Volaris
Deal found 5/28![Volaris logo]()
$485
This Delta deal was found by Cheapflights users on 5/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:00 am
ONT
- PVR
1 stop7h 20m
Delta
Mon 8/173:30 pm
PVR
- ONT
1 stop9h 04m
Delta
Deal found 5/24![Delta logo]()
$543
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Sat 10/36:00 am
ONT
- CUN
1 stop6h 37m
United Airlines
Sat 10/107:51 am
CUN
- ONT
2 stops14h 25m
United Airlines
Deal found 5/25![United Airlines logo]()
$521
This Volaris deal was found by Cheapflights users on 5/27. 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.
Tue 6/1612:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Sat 6/2012:06 pm
SJD
- ONT
1 stop7h 40m
Volaris
Deal found 5/27![Volaris logo]()
$497
This Delta deal was found by Cheapflights users on 5/25. 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.
Thu 9/106:00 am
ONT
- MEX
2 stops14h 10m
Delta
Thu 9/1711:15 am
MEX
- ONT
2 stops13h 22m
Delta
Deal found 5/25![Delta logo]()
$548
This United Airlines deal was found by Cheapflights users on 5/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am
ONT
- GDL
1 stop14h 34m
United Airlines
Sat 9/2612:30 pm
GDL
- ONT
2 stops11h 29m
United Airlines
Deal found 5/24![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 5/26. 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 8/2712:00 pm
ONT
- MEX
1 stop8h 50m
Delta
Wed 9/23:25 pm
MEX
- ONT
2 stops31h 27m
Delta
Deal found 5/26![Delta logo]()
$548
This Mytrip deal was found by Cheapflights users on 5/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/79:36 pm
ONT
- OAX
2 stops12h 45m
Volaris
Tue 7/142:29 pm
OAX
- ONT
1 stop6h 17m
Volaris
Deal found 5/28![Volaris logo]()
$505
This United Airlines deal was found by Cheapflights users on 5/25. 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.
Fri 11/66:53 pm
ONT
- PVR
2 stops16h 09m
United Airlines
Fri 11/133:40 pm
PVR
- ONT
1 stop7h 41m
United Airlines
Deal found 5/25![United Airlines logo]()
$523
This Delta deal was found by Cheapflights users on 5/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
ONT
- MEX
2 stops12h 00m
Delta
Sat 8/2211:05 am
MEX
- ONT
2 stops12h 18m
Delta
Deal found 5/28![Delta logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 5/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:55 am
ONT
- MID
1 stop18h 15m
Volaris
Tue 6/308:50 pm
MID
- ONT
1 stop27h 15m
Volaris
Deal found 5/25![Volaris logo]()
$509
Last-minute flights from Ontario to MexicoDiscover last-minute flight deals from Ontario to Mexico. Data last updated May 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mexico. Data last updated May 29, 2026 and is based on user searches.
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/39:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Tue 6/94:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/28![Volaris logo]()
$275
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Sat 6/69:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Thu 6/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/25![Volaris logo]()
$277
This FlightHub deal was found by Cheapflights users on 5/25. 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.
Sat 6/69:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Thu 6/1112:49 pm
CUN
- ONT
1 stop8h 57m
Volaris
Deal found 5/25![Volaris logo]()
$280
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Sat 6/1312:49 pm
CUN
- ONT
1 stop12h 16m
Volaris
Deal found 5/25![Volaris logo]()
$285
This FlightHub deal was found by Cheapflights users on 5/26. 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 6/79:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Tue 6/94:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/26![Volaris logo]()
$270
This Kissandfly.com deal was found by Cheapflights users on 5/26. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/79:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Tue 6/164:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/26![Volaris logo]()
$279
This Justfly.com deal was found by Cheapflights users on 5/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/89:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 6/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/26![Volaris logo]()
$271
This Justfly.com deal was found by Cheapflights users on 5/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:55 am
ONT
- CUN
1 stop9h 09m
Volaris
Thu 6/1810:40 am
CUN
- ONT
1 stop11h 06m
Volaris
Deal found 5/25![Volaris logo]()
$271
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/109:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Thu 6/114:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 5/27![Volaris logo]()
$281
This Super.com deal was found by Cheapflights users on 5/25. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Wed 6/174:32 pm
CUN
- ONT
1 stop8h 33m
Volaris
Deal found 5/25![Volaris logo]()
$270
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2112:55 am
ONT
- GDL
Nonstop3h 03m
Volaris
Mon 7/68:59 pm
GDL
- ONT
Nonstop3h 06m
Volaris
Deal found 5/27![Volaris logo]()
$281
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/2812:55 am
ONT
- GDL
Nonstop3h 03m
Volaris
Fri 7/108:59 pm
GDL
- ONT
Nonstop3h 06m
Volaris
Deal found 5/27![Volaris logo]()
$279
One-way flights from Ontario to MexicoSearch for one-way flight options from Ontario to Mexico. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
Search for one-way flight options from Ontario to Mexico. Find affordable one-way fares based on user searches. Data last updated May 29, 2026.
This FlightHub deal was found by Cheapflights users on 5/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:36 pm
ONT
- CUN
1 stop12h 28m
Volaris
Deal found 5/28![Volaris logo]()
$84
This Super.com deal was found by Cheapflights users on 5/29. 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 7/712:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Deal found 5/29![Volaris logo]()
$85
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Fri 8/289:36 pm
ONT
- CUN
1 stop10h 19m
Volaris
Deal found 5/27![Volaris logo]()
$86
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:36 pm
ONT
- SJD
1 stop10h 40m
Volaris
Deal found 5/27![Volaris logo]()
$86
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:36 pm
ONT
- PVR
1 stop10h 47m
Volaris
Deal found 5/28![Volaris logo]()
$88
This Super.com deal was found by Cheapflights users on 5/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Deal found 5/27![Volaris logo]()
$88
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:36 pm
ONT
- PVR
1 stop10h 47m
Volaris
Deal found 5/28![Volaris logo]()
$89
This Super.com deal was found by Cheapflights users on 5/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:55 am
ONT
- PVR
1 stop9h 41m
Volaris
Deal found 5/26![Volaris logo]()
$90
This FlightHub deal was found by Cheapflights users on 5/26. 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.
Tue 7/149:36 pm
ONT
- SJD
1 stop10h 40m
Volaris
Deal found 5/26![Volaris logo]()
$92
This FlightHub deal was found by Cheapflights users on 5/26. 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.
Tue 9/1512:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Deal found 5/26![Volaris logo]()
$93
This Mytrip deal was found by Cheapflights users on 5/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:55 am
ONT
- SJD
1 stop10h 34m
Volaris
Deal found 5/27![Volaris logo]()
$94
This Super.com deal was found by Cheapflights users on 5/28. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 5/28![Volaris logo]()
$95
Find flight deals from Ontario to Mexico
Keep the following information in mind while searching for Ontario to Mexico flight deals. Data was last updated May 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $256 (Super.com) |
One-way from | $84 (FlightHub) |
Popular in | December |
Cheapest in | September |
Average price | $376 |
Good round-trip deal | $229 or less |
Good one-way deal | $101 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Mexico 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 May 29, 2026.
Use the filters below to find and compare flights from Ontario to Mexico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMérida
ONT - MID
ONTMID
Ontario
Tue 7/7
9:36 pm-8:46 am
1 stop10h 10m
Mérida Rejon
Tue 7/21
9:18 am-7:46 pm
1 stop11h 28m
$398
OntarioPuerto Vallarta
ONT - PVR
ONTPVR
Ontario
Thu 7/2
9:36 pm-11:22 am
2 stops12h 46m
Puerto Vallarta Ordaz
Mon 7/6
12:13 pm-11:05 pm
1 stop11h 52m
$422
OntarioMérida
ONT - MID
ONTMID
Ontario
Thu 9/10
9:36 pm-8:46 am
1 stop10h 10m
Mérida Rejon
Sat 9/19
12:47 pm-11:05 pm
2 stops11h 18m
$428
OntarioPuerto Vallarta
ONT - PVR
ONTPVR
Ontario
Sat 7/4
9:36 pm-11:22 am
2 stops12h 46m
Puerto Vallarta Ordaz
Mon 7/6
11:52 am-11:05 pm
2 stops12h 13m
$440
OntarioGuadalajara
ONT - GDL
ONTGDL
Ontario
Tue 11/3
6:00 am-2:42 pm
1 stop6h 42m
Guadalajara Miguel Hidal
Mon 11/9
4:15 pm-11:48 pm
1 stop9h 33m
$443
OntarioPuerto Vallarta
ONT - PVR
ONTPVR
Ontario
Thu 6/25
12:55 am-9:40 am
1 stop7h 45m
Puerto Vallarta Ordaz
Tue 6/30
4:00 pm-7:46 pm
1 stop28h 46m
$448
OntarioOaxaca
ONT - OAX
ONTOAX
Ontario
Thu 6/25
12:55 am-2:01 pm
2 stops12h 06m
Oaxaca Xoxocotlan
Thu 7/2
2:29 pm-7:46 pm
1 stop6h 17m
$448
Quickest round-trip
OntarioMorelia
ONT - MLM
ONTMLM
Ontario
Tue 8/25
2:30 pm-6:45 pm
Nonstop3h 15m
Morelia
Sat 8/29
10:25 am-12:50 pm
Nonstop3h 25m
$469
OntarioMérida
ONT - MID
ONTMID
Ontario
Sun 6/21
12:55 am-7:27 pm
2 stops17h 32m
Mérida Rejon
Wed 7/1
9:20 am-11:05 pm
2 stops14h 45m
$474
OntarioGuadalajara
ONT - GDL
ONTGDL
Ontario
Wed 8/26
9:01 am-11:25 am
2 stops25h 24m
Guadalajara Miguel Hidal
Wed 9/9
12:30 pm-12:12 pm
2 stops24h 42m
$478
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Mexico
Have a flexible travel schedule? Discover the best time to fly to Mexico from Ontario with our price prediction graph.
ONT-CUN
ONT-SJD
ONT-PVR
ONT-MEX
ONT-GDL
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
ONT-MX0
ONT-CUN
ONT-SJD
ONT-PVR
ONT-MEX
What is the cheapest month to book a flight from Ontario to Mexico?
Currently, August is the cheapest month in which you can book a flight from Ontario to Mexico (average of $64). Flying from Ontario to Mexico in December is currently the most expensive (average of $628). 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 MX?
Find hourly flight availability from Ontario to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 29, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mexico as you normally would.
How often are flights from Ontario to Mexico delayed?
About 13% of weekly flights between Ontario and Mexico have experienced delays in the past year, with the average delay time being 119 minutes.
What is the most punctual flight time for Ontario to Mexico flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ontario to Mexico flights?
Over the last year, Volaris have had the lowest number of delays on this route, with just 13% of flights being delayed.
How far ahead should I book a flight from Ontario to Mexico?
The price you pay for your flight from Ontario to Mexico may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Mexico
Get insights into the airlines that provide service to Mexico. 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. Reviews last updated May 29, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Ontario to Mexico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Mexico
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Complete your trip
Complete your trip to Mexico by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Mexico by cabin class
Find flights from Ontario to Mexico, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Mexico flights
Browse other Ontario and Mexico flight options. Last updated on May 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Mexico flights
Consider these flights traveling from Ontario to Mexico.
Fly to Mexico regions
Consider these flights traveling to Mexico regions.
Top 8 airlines flying from Ontario to Mexico
Discover the top 8 airlines that operate flights from Ontario to Mexico. 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 May 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$347 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$149 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$172 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$183 | Average$411 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$191 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$578 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$312 | Average$641 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$519 | FlexibilityNo cancel fee | On-time69% |