Save Up to 30% on Southwest Base Fares, Book by Feb. 26

Save Up to 30% on Southwest Base Fares

Southwest Airlines has launched a new promotion today, offering up to a 30% discount on base fares. Travelers can apply the promo code ONBOARD when booking through the Southwest website or mobile app to see potential savings on upcoming travel. Check out the details below.

Offer Details

Save up to 30% on eligible Southwest flights. Savings in the base fare will be visible as a strike-through of the original fare. Here are the details:

• Promo Code: ONBOARD
• Booking Requirement: Must book directly at Southwest.com or via the Southwest app by February 26, 2026.
• Eligible Fares: The discount generally applies to “Wanna Get Away” and “Wanna Get Away Plus” fare classes.
• Travel Dates: The code is currently active for travel booked for April 7 and May 20, 2026, though specific blackout dates may apply depending on the route.
• BOOK NOW

Important Terms

• Offer valid for flights between April 7, 2026-May 20, 2026 for continental U.S. travel and between April 14, 2026-May 20, 2026 for interisland Hawaii travel (collectively, the “Travel Period”). Continental U.S. travel valid Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, and Saturdays. Interisland Hawaii travel valid Tuesdays and Wednesdays.
• Promotion code savings are applied before government taxes and fees.
• 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.
• All reward travel is subject to taxes, fees, and other government or airport-imposed charges of at least $5.60 per one-way trip.

Guru’s Wrap-up

This is a standard promotional offer from Southwest, but it can be a good time to book your flights, or check existing bookings.