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Southwest Airlines Coupons & Promo Codes

Our data shows that Southwest Airlines spotlights recurring discounted fares on select routes, sometimes paired with promo codes and promoted directly on its site. Rapid Rewards members encounter exclusive point redemption options and targeted fare offers. The airline leans on transparent pricing and member-driven rewards, with regular use of promo code-driven promotions alongside fare sales. The Low Fare Calendar makes it easy to find the cheapest time to book, while the Basic fare highlights its lowest pricing.

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Offers are verified by our pros when added. Always confirm final prices at checkout.

8 Verified Offers for September 18, 2026

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Up to 35% off

Up to 35% off on the little-known Southwest Airlines Special Offers & Deals page

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10% off

10% off select Payless rental cars (Rapid members)

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Up to 35% off

Up to 35% off select Avis rental cars (Rapid members)

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Verified 2+ weeks ago by Neeraj N.
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Up to 30% off

Up to 30% off select Budget rental cars (Rapid members)

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Smart Shopping Tip

Join Rapid Rewards before you check partner car rates, since enrollment is free and some member-only bookings apply. Qualifying rentals earn 600 Rapid Rewards points, adding value to a trip you already plan to take.

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Free

Free wine case checked bags with select flights

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Free

Two free checked bags with select flights (Rapid A-List Preferred members)

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After you book, check Southwest.com again if the fare drops before your trip and claim the difference as a refund, flight credit, or Rapid Rewards points. You keep your A-List Preferred bag benefit while lowering your total cost.

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Up to 15% off

10% to 15% off select flights on anniversaries when using the Rapid Rewards Plus or Premier credit card

Details & Exclusions
  • 10% off select flights on anniversaries when using the Rapid Rewards Plus credit card
  • 15% off select flights on anniversaries when using the Rapid Rewards Premier credit card

Excludes basic fares.

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Savings Tips & Policies
Savings Tips and Store Policies are reviewed by our team. For your financial confidence, always confirm terms, eligibility and final totals in your cart.While our savings veterans make every effort to ensure the accuracy of store policies, savings advice, and promotions, retailers may (and often do) change or discontinue these without notice to us. To avoid surprises, please confirm final totals, eligibility, and terms with Southwest Airlines or in your cart before completing your purchase. Suggest an Update.

Our Guide to 2026 Southwest Airlines Shopping Policies

  • Where do I enter my Southwest Airlines promo code?

    Enter your code in the Promo Code box at the upper left of the Flights search page. Input your code before searching for flights to ensure your discount is applied.

  • Is there a discount policy at Southwest Airlines?

    Southwest Airlines offers special military discounts and perks for active-duty members and their dependents, including access to exclusive military fares, extra baggage allowance with no fees, and priority boarding. However, these deals must be booked by phone or at a ticket counter, not online, and require valid military ID and documentation. Rapid Rewards points cannot be used for these fares.

  • What's the procedure to cancel at Southwest Airlines?

    Southwest Airlines offers a flyer-friendly cancellation policy with no fees for canceling any fare type, which is a great benefit for travelers seeking flexibility. Choice Extra and Choice Preferred fares are fully refundable if canceled at least 10 minutes before departure, while Choice and Basic fares are non-refundable but may be eligible for flight credits if canceled on time. It's important to note that failing to cancel at least 10 minutes before a flight can lead to forfeiture of funds or points, especially for lower fare types.

  • Does Southwest Airlines provide a rewards program?

    Southwest Airlines Rapid Rewards loyalty program is a solid choice for frequent flyers, offering easy free enrollment and flexible ways to earn points on flights, credit card spending, and partner activities. Points never expire, and there are no blackout dates, making it traveler-friendly. Higher tiers unlock valuable perks like priority boarding, bonus points, and even a Companion Pass for free travel with a guest, but reaching these levels requires significant travel or spending.

  • Does Southwest Airlines provide big periodic sales?

    Southwest Airlines offers frequent travel deals that are especially appealing for bargain hunters, with weekly Wanna Go Wednesdays featuring updated flight discounts and major summer sales through Southwest Vacations. Travelers can expect savings up to $500 on vacation packages and notable discounts on both domestic and international travel. While some promotions require codes and have specific booking windows, these sales provide reliable opportunities for travelers to save on flights and vacation bundles, making Southwest Airlines a strong choice for those seeking value and flexibility.

  • Is Buy Now, Pay Later part of Southwest Airlines' options?

    Southwest Airlines offers Book Now, Pay Later, letting eligible travelers split purchases into fixed monthly payments with APRs from 0% to 36%. While there are no late fees or prepayment penalties and payments can be low, approval depends on your credit and a down payment may be needed.

  • Does Southwest Airlines allow price adjustments after purchase?

    Southwest Airlines offers a valuable price adjustment policy for travelers who want to save on flights. If your booked flight drops in price before departure, you can claim the difference as a refund, flight credit or Rapid Rewards points using their website.

  • Does Southwest Airlines offer a credit card or special financing options?

    Southwest Airlines Rapid Rewards Credit Cards are a strong choice for frequent travelers looking to maximize savings and benefits. Cardmembers earn Rapid Rewards points on Southwest Airlines purchases as well as gas and dining. Points can be redeemed for flights, gift cards and more. The cards offer valuable perks like free checked bags for the primary cardmember plus anniversary bonus points and inflight discounts. For those using the Rapid Rewards Performance Business Credit Card, make sure to take advantage of TSA PreCheck and Global Entry programs for extra value.

Shopping Tips for Southwest Airlines Shoppers

  1. How can I find lower rates on a Southwest flight?

    Use the airline's Low Fare Calendar if you have flexible travel dates to find the best and cheapest time to book your flight.
  2. How can I get low prices at Southwest Airlines?

    Southwest offers its lowest pricing through the Basic fare, which lets travelers earn 2x Rapid Rewards points for every $1 spent. These tickets are nonrefundable, and if you cancel, credit will expire 6 months from the booking date.
  3. How can I save on my card anniversary at Southwest Airlines?

    Check your Rapid Rewards account after your card anniversary. Plus and Plus Business cards get one 10% fare code, while Premier and Premier Business get one 15% code.
  4. Can I get additional perks at Southwest Airlines?

    Apply for Southwest Status Match before booking if you already have status with another airline. An approved match unlocks promo A-List or A-List Preferred with bag, seat, and standby perks.
  5. Does Southwest Airlines provide discounts for groups?

    Book everyone on one reservation and add the cardholder's Rapid Rewards number. Eligible Southwest credit cards can extend free first checked bags or early seat selection to up to 8 companions.

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SpotHero Promo Code

10% off your reservation when using the mobile app (new customers)

Verified 2+ weeks ago

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Exclusions

Excludes monthly reservations and SpotHero for Business reservations.

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