Southwest Airlines offers 40% off flights when booked by Thursday

Southwest Airlines is offering a 40% discount on base fares for flights booked through Thursday for travel this fall.

It’s part of a big birthday sale for the airline, which celebrates its 52nd anniversary this week.

Flights must be booked between now and Thursday at 11:59 PM PST.

according to southwest, flights must be booked for travel from 15 August to 14 December. Promotion is not valid for travel from November 16th to 27th.

Use promo code 40OFF when booking to receive discount.