Southwest Airlines Sale, Save Up to 40%
If you’re looking for an excuse to book your next getaway, Southwest Airlines has just the deal for you. This week, you can enjoy up to 40% off base fares with the airline’s latest sale. Whether you’re planning a domestic trip, a tropical escape, or a Hawaiian adventure, now is the perfect time to book and save on winter trips. Just keep in mind that Southwest now charges for bags and seat selections, among other changes that went into effect as of May 28th. Let’s go over the details of this latest Southwest Airlines sale.
Offer Details
Save up to 40% on Southwest flight. Simply enter the promo code 40SALE when booking your flight by October 23, 2025. This sale works for Southwest one-way or round trip Basic and Choice fares, for cash booking as well as flights booked with Rapid Rewards points.
The discount applies to travel on:
- December 3, 2025-March 4, 2026 for continental U.S. travel
- Blacked out December 19, December 20, December 26 through December 29, 2025, January 2 through January 4, and February 16, 2026.
- Continental U.S. travel valid all days of week.
- December 3, 2025-March 4, 2026 for continental U.S. travel to/from international, Hawaii, and Puerto Rico
- Continental U.S. travel to Hawaii, international, and San Juan, Puerto Rico blacked out December 18, 2025 through January 6 and February 12 through February 15, 2026.
- Continental U.S. travel from Hawaii, international, and San Juan, Puerto Rico blacked out December 18, 2025 through January 6 and February 20 through February 22, 2026.
- Travel from continental U.S. to Hawaii, and international is valid Sundays, Mondays, Tuesdays, and Wednesdays.
- Travel to continental U.S. from Hawaii, and international is valid Tuesdays, Wednesdays, Thursdays, and Fridays.
- Travel to/from Puerto Rico is valid Mondays, Tuesdays, Wednesdays, and Thursdays.
Seats are limited, and restrictions apply, so it’s best to book as soon as possible before the sale ends.
While selecting your flights, savings in the base fare will be visible as a strike-through of the original fare on eligible flights.
Important Terms
- Offer valid for qualifying one-way or round trip Basic and Wanna Get Away Plus® fares booked on Southwest.com® or swabiz.com
- Promotion code savings are applied before government taxes and fees.
- Seats, days, and markets are limited.
- Discount availability may vary by destination, flight, and day of the week and won’t be available on some flights that operate during very busy travel times and holiday periods.
- Discount will apply only for select flights booked within the Booking Period while supplies last for travel flown within the Travel Period.
- Changes made to the itinerary after purchase will eliminate qualifications for this promotion and will result in forfeiture of any promotion code savings.
Southwest Airlines Sale: Guru’s Wrap-up
This can be a good opportunity to save on your next trip. Head to Southwest Airlines’ website and use promo code 40SALE to lock in up to 40% off your base fare. But make sure to go over all the changes that went into effect recently.
Are you still flying Southwest, or have you started looking for other options? Let me know in the comments!
