Tell us about your event, then we'll contact you and plan it together
On-Site Planners: Stress-free event coordination
Please note: all room sizes are approximate.
Delta Hotels Ontario Airport has 15 event rooms.
The largest capacity event room is the Grand Ballroom. It has a capacity of 655.
Yes, Delta Hotels Ontario Airport provides wedding services.
To book a meeting or event at Delta Hotels Ontario Airport click here
Unlock your stay with the Marriott Bonvoy™ App