| Allegiant Air Ontario Office Address | Ontario, Ontario |
| Allegiant Air Ontario Office Contact Number | NA |
| Working Hours | Every day – 24hrs |
| Official Website | www.allegiantair.com |
| Email Address | N/A |
| Online Check In | www.allegiantair.com/checkin |
| Check Flight Status of Allegiant Air | www.allegiantair.com/flight-status |
| Official Facebook | www.facebook.com/Allegiant |
| twitter.com/allegiant | |
| Instagram Account | www.instagram.com/allegiant/ |
| Youtube | www.youtube.com/@Allegiant |
Allegiant Air Ontario Airport Office Details
| Airport Name | Ontario International Airport |
| Airport Code | ONT |
| Address | 2900 E Airport Dr, Ontario, CA 91761, United States |
| Contact Number | +19095445300 |
| View All Offices | Allegiant Air |
Services Offered by Allegiant Air Ontario Office
| Flight Ticket Booking and Cancellation | Ticket Rescheduling |
| Web / Online Check-in | Airport Counter Check-in |
| Kiosk Check-in | Airport and In-Flight Wifi |
| Unaccompanied Minor | Travel with Pets or Animals |
| Baggage Allowance | Duty-free Allowance |
| Flight Information | Airport Lounges |
| Visa-related Information | Pet Relief Area |
| Missing Luggage | Immigration Services |
| In-Flight Meals | In-Flight Entertainment |