Southwest Airlines: Select US Flights Including Holidays & Weekends 40% Off Base Fare (Travel November 9 - March 3, 2027)
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Book by Oct 22 for up to 40% off Southwest Airlines base fares on select flights from Nov 9, 2026–Mar 3, 2027.
Southwest Airlines is offering up to 40% off base fares for select flights. The promotion applies to travel from November 9, 2026 through March 3, 2027. Bookings must be made between October 19 and October 22, 2026. The discount is automatically applied and displayed as a strikethrough on base fares before taxes and fees are added. Multiple blackout dates apply. For continental U.S. travel, blackout dates include November 28–29, December 26–28, January 2–3. Travel between continental U.S. and international destinations, Hawaii, St. Thomas, or San Juan is blacked out November 19–25 and December 17–January 5. Interisland Hawaii flights are excluded entirely. Availability is limited by seat, day, and market. Terms and restrictions apply.
FAQ
When must I book this promotion?
You must book between October 19 and October 22, 2026.
When can I travel with this discount?
You can travel on select flights from November 9, 2026 through March 3, 2027, excluding specified blackout dates.
Are there blackout dates I should know about?
Yes. Blackout dates vary by route. Continental U.S. travel is blacked out November 28–29, December 26–28, and January 2–3. Travel to/from international destinations, Hawaii, St. Thomas, and San Juan is blacked out November 19–25 and December 17–January 5. Interisland Hawaii flights are excluded.
Is the discount applied before or after taxes and fees?
The discount is applied to base fares before government taxes and fees are added.
