Syncing Airbnb and Booking calendars with iCal

What iCal means in everyday vacation-rental life

iCal (also called ICS) is a standardized file format for calendar data. Platforms like Airbnb, Booking.com and Vrbo can use it to share occupancy with each other. So if you list on several portals at once, iCal can stop two guests from getting the same dates.

Worth knowing: iCal mainly transfers booked and free periods. Things like guest details, prices or messages are usually not synced. Each provider also sets its own refresh interval, so you should double-check any last-minute changes.

• Bookings transfer automatically as soon as a calendar is updated.
• Prices, messages and guest data stay on the original platform.
• Updates happen at intervals, not live.

Find and share your calendar URL

Every platform gives you its own iCal address (URL). That URL is the key to syncing: it holds all the relevant occupancy data and can be imported into other calendars.

On Airbnb, hosts find the URL in the listing under "Calendar

bullets":["Airbnb: Open your listing, go to "Calendar","Booking.com: Extranet , ","Vrbo: Dashboard , "," , "," , "]},{

• Airbnb: Open your listing, go to "Calendar
• Booking.com: Extranet ,
• Vrbo: Dashboard ,
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Import and export calendars

The process always follows the same idea: export the calendar on platform A (copy the URL) and import it on platform B (paste the URL). For data to flow both ways, you need to repeat the steps in reverse.

Airbnb explains in its help center that hosts can copy an iCal address and paste it into another calendar to match up bookings. Vrbo's help center walks you through importing an iCal or Google calendar and the settings available.

• Step 1: Copy the export URL on platform A.
• Step 2: On platform B, go to "Sync calendar
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Common mistakes and how to avoid them

A frequent stumbling block is reservations that were created before you set up sync. They don't merge automatically – skip the manual check and you risk overlaps. Manual changes on one platform's calendar also don't always push through to the other right away via iCal.

Another point: some platforms limit how far ahead iCal will sync. If you plan far in advance, check that your full booking horizon is covered. And finally: iCal is no replacement for a channel manager – once you juggle many listings, plain iCal hits its limits fast.

• Before your first sync, match up all existing bookings by hand.
• After blocking dates manually on one platform, check they show up on the other.
• Know each platform's sync window and extend it if needed.

When a channel manager makes sense

iCal is a pragmatic solution for hosts with a few listings on two or three platforms. Once you add more channels or want to control prices centrally, a channel manager becomes interesting. These tools sync in real time and add extras like unified pricing rules or guest messaging.

For getting started, though, iCal is plenty. Follow the steps above carefully and check regularly, and you can reliably avoid double bookings – with no extra software cost.

• iCal works well for 1–3 platforms with manageable booking volume.
• A channel manager pays off with many listings or central price control.
• Even with software, spot-check your calendar regularly.

Frequently asked questions

Sources & further reading