Brian Chesky announces ‘Trips’ at Airbnb Open event. (Airbnb Photo).

Airbnb is planning to launch its flight reservation tool sometime in the next 18 months, according to a report from Bloomberg.

The service, called “Flights,” would put Airbnb in more direct competition with Expedia, the travel giant based in Bellevue, Wash.

Airbnb is still deciding the best way to facilitate flight reservations and may acquire an online travel agency or license data from an outside provider, according to Bloomberg’s anonymous sources. The company reportedly wants to launch Flights before filing for an initial public offering.

In November, Airbnb launched “Trips,” a new suite of services that expands far beyond home-sharing. Using the revamped app, travelers can book activities in destinations and browse curated recommendations from locals.

CEO Brian Chesky announced Trips during Airbnb’s big annual conference and said it was “literally just the beginning.”

He said Airbnb plans to add flights, car rentals, and other services to the app, signaling the company’s big ambitions to become a one-stop travel shop.

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