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The sale ends March 13.

Witthaya Prasongsin/Getty Images

Spring is nearly here and Southwest Airlines wants to get you somewhere warm.

Airplane flight through sky

A commercial airline flying through a blue sky.Credit:Witthaya Prasongsin/Getty Images

The budget airline is having a sale with one-way flights beginning at $49.

The deal require a 21-day advance purchase and must be made by March 13 by 11:59 p.m. Pacific Time.

SouthwestsLow-Fare Calendarwill help spot the best deal for any day in month during the sale.

There are restrictions to note before booking.

Travel to and from Chicago (ORD/MDW) is not included in the sale.

Travel to and from San Juan, Puerto Rico must be made on Mondays through Thursdays.