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Southwest Airlines Promo Codes & Coupons September 2025

Rating: 4.9 / 5

  • Top pick

    50% off

    code
    Verified

  • 20% off

    code
    Verified

  • 15% off

    code
    Verified

  • 2400 Points

    code
    Verified

  • 20% off

    code
    Not verified

  • 12% off

    code
    Not verified

  • 15% off

    code
    Not verified

  • 15% off

    code
    Not verified

  • Up to 50 Percent off

    code
    Not verified

  • Get Up to 30% Off

    code
    Not verified

  • Earn up to 1200 points

    code
    Not verified

  • 30% off

    code
    Not verified

  • Earn Up to 2,400 Points

    code
    Not verified

  • 25% off

    code
    Not verified

  • Newsletter Offer

    deal

The Southwest Airlines FAQs

How do I use my Southwest Airlines coupons?

To apply the coupon, click the 'show code' button next to the code on this page, and paste it into the 'discount code or gift card' box at the checkout and click 'apply'.

How many coupon codes are currently available for Southwest Airlines?

At the moment, there are a total of 10 active coupon codes that can be used on the Southwest Airlines website.

Can I Use Multiple Southwest Airlines Coupon Codes at Once?

Southwest Airlines does not permit the use of multiple coupon codes simultaneously, a practice known as 'coupon stacking.' Since only one discount code can be redeemed per transaction, we suggest finding the best Southwest Airlines offer available. Usually, that promo code will apply to sale items, allowing you to maximize your savings even with a single Southwest Airlines coupon code.

What payment options are available at Southwest Airlines?

Southwest Airlines accepts all major credit and debit cards, PayPal, and digital wallets.

Why didn't my coupon code work?

Your coupon code might not work for several reasons: - It may not apply to the items in your cart. - It may only be valid for first-time purchases. - It may have expired.