Flights from Ontario to Mexico from $ 410*
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1 Passenger, Economy
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today
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Find United's best fares from Ontario to Mexico
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Ontario (ONT)to
Mexico City (MEX)03/03/26 - 03/10/26from$Â 536Viewed: 21 hours agoRoundtripEconomy
Ontario (ONT)to
Cancun (CUN)01/26/26 - 01/30/26from$Â 421Viewed: 22 hours agoRoundtripEconomy
Ontario (ONT)to
Cabo San Lucas (SJD)02/06/26 - 02/20/26from$Â 410Viewed: 22 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class flights from Ontario to Mexico
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flight_land
$
Ontario (ONT)to
Mexico City (MEX)
01/16/26 - 01/24/26
Roundtrip
Business
from
$Â 880
Viewed: 16 hours ago
Ontario (ONT)to
Cancun (CUN)
03/24/26 - 03/31/26
Roundtrip
Business
from
$Â 802
Viewed: 6 hours ago
Ontario (ONT)to
Cabo San Lucas (SJD)
03/01/26 - 03/08/26
Roundtrip
Business
from
$Â 2,004
Viewed: 15 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.