Southwest Airlines: Select US Flights 40% Off Base Fare (Travel October 26 - March 3, 2027)
at Southwest Airlines
Book Southwest flights Oct 5-8 for travel Oct 26-Mar 3, 2027 with up to 40% off base fares.
Southwest Airlines is offering up to 40% off base fares on select flights. The sale runs from October 5-8, 2026, for travel between October 26, 2026 and March 3, 2027. Flights require 21 days advance reservation. Numerous blackout dates apply, including major holidays and specific travel periods. Interisland Hawaii travel is excluded. Travel from or to international destinations, Hawaii, Anchorage, St. Thomas, and San Juan has additional blackout windows. The discount applies to base fare only, before taxes and fees. This sale is particularly useful for those with companion passes valid through March to book their own travel first at a reduced rate.
FAQ
What dates can I travel on this sale?
Travel is valid from October 26, 2026 through March 3, 2027, with select blackout dates during major holidays and specific periods.
When must I book these discounted fares?
You must book between October 5-8, 2026 to qualify for the sale prices.
How far in advance do I need to book?
A minimum 21-day advance reservation is required for these fares.
What is excluded from this sale?
Interisland Hawaii travel is not included. Numerous blackout dates apply around Thanksgiving, Christmas, New Year's, and other holidays for continental U.S. and international travel.
