Southwest Up to 40% Off Base Fares Sale
Heads up, deal hunters: Southwest is running the Southwest Up to 40% Off Base Fares Sale offer right now — a straight-up promo with real savings, confirmed live on their site.
What you’re getting: Up to 40% off base fares on select Southwest flights, booked October 19–22, 2026 (by 11:59 PM PT Oct 22); Travel window: November 9, 2026 through March 3, 2027; No promo code and no registration — the discount applies automatically and shows as a strikethrough on the base fare; Valid on cash and Rapid Rewards award bookings, all fare classes; Holiday and weekend travel included; blackout dates apply; Book on Southwest.com or Swabiz.com. Sale fares vary by route and date — compare the struck-through base fare to the regular fare when you search to see your actual savings.
If you’ve got trips to plan between November and March, this is the trigger to pull — the booking window closes October 22.
No coupon code needed — the discount applies automatically to eligible flights when you book on Southwest.com before the October 22 deadline.
Pros and cons
- Pro: Up to 40% off — one of Southwest’s deepest fare sales
- Pro: No code to enter; discount applies automatically at booking
- Pro: Works with cash or Rapid Rewards points, all fare classes
- Pro: Holiday and weekend travel included in the window
- Con: Blackout dates apply, including peak Thanksgiving and Christmas windows
- Con: Select flights only — not every flight on eligible dates gets the discount
- Con: Discount applies to base fare before taxes and fees, not the total
- Con: New reservations only; changes after purchase void the promo
- Con: Interisland Hawaii travel is excluded
Price details
Price: $0.00 — Offer verified: 2026-10-21T00:15:00Z.
Price verified: 2026-10-21T00:15:00Z (UTC). Prices and availability change fast, especially on popular deals — if the price has moved since verification, the deal may have ended. Shipping terms and return policies are set by Southwest, so give those a quick look before you buy.
