How to sync your Airbnb and Booking.com calendars
You can sync Airbnb and Booking.com calendars two ways: free iCal export/import between the two platforms, which each side refreshes on its own schedule (typically every few hours), or a channel manager with a direct API connection to both, which syncs in real time. Both stop a booking on one platform from silently overbooking the other, they differ in how fast.
The free way
On Airbnb: go to Calendar, then Availability, then Sync calendars, and export the calendar link for the listing. On Booking.com: go to your property, then Calendar & pricing, then Sync calendars, and export from there too. Paste each platform's export link into the other platform's import field.
Once both are pasted in, each platform pulls the other's calendar on its own refresh schedule. This is free and works for many hosts, but it is a pull, not a push: nothing forces an instant update the moment a guest books.
Free iCal sync refreshes on each platform's own schedule, typically every few hours, not instantly. Real-time sync closes this window to seconds.
The real-time way
A channel manager connects to Airbnb and Booking.com through their direct API rather than a shared calendar file, so a booking on either platform blocks the same dates everywhere else within seconds. This matters most once you are running enough volume, or short enough booking lead times, that an hours-long lag becomes a real double-booking risk rather than a theoretical one.
This same real-time approach is required for platforms that skip iCal entirely, such as MakeMyTrip and Goibibo, covered in the MakeMyTrip and Goibibo connection guide.
Check if this is already costing you a night right now, or fix it going forward with real-time sync.
How often do Airbnb and Booking.com refresh iCal links?
Neither platform publishes an exact number, and it is not instant; independent testing and host reports commonly describe a lag of a few hours, not minutes. Treat this as a real gap, not a rounding error.
Do I need a channel manager if I only sync these two platforms?
Not necessarily. If your booking volume is low and your lead times are long (guests book weeks or months ahead, giving the iCal lag time to catch up), free sync is often enough. The risk rises with more channels, higher volume, and shorter lead times.
Is there a free channel manager for just Airbnb and Booking.com?
There is a free calendar sync for it: getfursat's free tier covers Airbnb, Booking.com and Agoda, book one and block the rest, for up to 2 listings per property, at no cost, no card required.