Southwest® flights from Ontario/LA to Mexico
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
Popular flight deals and low fares from Ontario/LA
flight_takeoff
flight_land
$
Ontario/LA (ONT)to
Puerto Vallarta (PVR)Depart: 08/11/2026
From
$239
Seen: 23 hrs ago
One-way
Basic
Ontario/LA (ONT)to
Los Cabos (SJD)Depart: 08/07/2026
From
$250
Seen: 20 hrs ago
One-way
Basic
Ontario/LA (ONT)to
Cancun (CUN)Depart: 08/06/2026
From
$260
Seen: 9 hrs ago
One-way
Basic
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Shop more flights from Ontario/LA
flight_takeoff
flight_land
$
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Ontario/LA (ONT) | Los Cabos (SJD) | One-way / Basic | Depart: 09/07/2026 | From $205 Seen: 11 hrs ago |
| Ontario/LA (ONT) | Cancun (CUN) | One-way / Basic | Depart: 10/18/2026 | From $237 Seen: 22 hrs ago |
| Ontario/LA (ONT) | Puerto Vallarta (PVR) | One-way / Basic | Depart: 11/09/2026 | From $239 Seen: 23 hrs ago |
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
More Routes from Ontario/LA
Popular Routes from Southwest Airlines®
Explore Southwest Airlines® Top-Pick Destinations