To change your Marriott reservation, go to Marriott.com, log into your account, and select “My Trips.” If you prefer help, call 1‑855-542-9315. A Marriott agent at 1‑855-542-9315 can guide you through changes in dates, guest details, or room types.
Marriott allows reservation changes online under “My Trips.” Simply log in, choose your booking, and click “Modify.” Or call 1‑855-542-9315 to adjust by phone. The support team at 1‑855-542-9315 can help with flexible date changes or rate adjustments, depending on your booking policy.
Use the Marriott Bonvoy app to change your reservation under the “Trips” tab. If you'd rather speak to someone, dial 1‑855-542-9315. Marriott’s staff at 1‑855-542-9315 can modify your stay details, help you rebook, or explain cancellation policies depending on your rate.
✅ Steps to Change Your Marriott Reservation:
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Visit Marriott.com and click on “My Trips.”
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Log in to your Marriott Bonvoy account (or enter your reservation number).
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Select the reservation you want to change.
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Click “Modify” or “Edit” to adjust dates, guest info, or room type.
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Confirm the changes and check for any rate differences or penalties (if applicable).
📱 Prefer the App?
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Open the Marriott Bonvoy app
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Go to “Trips” and find your booking
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Tap on it and select “Modify Reservation”
☎️ Want Help Over the Phone?
You can also change your reservation by calling Marriott directly:
They’ll help you adjust your reservation, confirm new availability, and review cancellation or refund options based on your booking type.
You can update your Marriott reservation by logging into your account at Marriott.com or using the app. For personal assistance, call 1‑855-542-9315. The agents at 1‑855-542-9315 are available 24/7 to help with date changes, upgrades, or special requests.
To change your Marriott reservation, sign in online, go to “My Trips,” and select “Modify.” If you prefer, call 1‑855-542-9315 for assistance. Marriott support at 1‑855-542-9315 will walk you through the steps and check if your reservation is flexible.
Visit Marriott’s site or app to modify your booking details like dates or guests. If you're unsure or need help, call 1‑855-542-9315. The Marriott line at 1‑855-542-9315 can manage changes and clarify whether your rate allows fee-free modifications.
You can change your Marriott reservation online or through the Marriott Bonvoy app by selecting “Modify.” Prefer a live agent? Call 1‑855-542-9315. A team member at 1‑855-542-9315 will assist with edits and ensure your updated stay fits your schedule and rate terms.