Rental activity for Airbnb may be reported in two different areas of your tax return, for specific reasons, and with different outcomes. Please review this article for a discussion of these options so you may choose the most appropriate place to report this on your return: http://www.nolo.com/legal-encyclopedia/tax-issues-when-renting-your-home-airbnb-vrbo.html
Most taxpayers chose to report Airbnb rental activity on Schedule E. If this applies to you, start under Wages & Income >> Rental Properties (or search for "Schedule E") and follow these instructions: Where do I enter income and expenses from a rental property?
If you provide services to your guests and choose to report your income from Airbnb as self-employment on Schedule C, you may be able to use Schedule C-EZ in the Deluxe and Premier versions of TurboTax Online.