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New promo: Buy a Southwest flight, get future flight half off

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Southwest Airlines is offering a unique buy-one, get-one-half-off deal.

If you register for the promotion and then book an eligible Southwest Airlines round-trip flight (or two one-way flights) by Aug. 3 for travel before Sept. 30, you’ll receive a 50% off promo code.

You can apply this promo code to any Southwest flight you book between Oct. 17 and Nov. 23 for travel from Jan. 8, 2024, to March 6, 2024, to enjoy 50% off savings on that 2024 flight (with a handful of blackout dates).

southwest deal

Related: The best Southwest Airlines credit cards 

Deal basics

Airline: Southwest

Routes: Any

How to book: Log in to your Southwest account, click the “Register now” button, then buy a round-trip flight (or two one-way flights).

Travel dates: By Sept. 30, to get the promo code; between Jan. 8, 2024, and March 6, 2024, for travel using the promo code.

Book by: Aug. 3 to earn the promo code.

Blackout dates: Feb. 15-19, Feb. 23-25, March 3 (for travel using the promo code).

Sample flights

For example, I could book this flight from Los Angeles International Airport (LAX) to Austin-Bergstrom International Airport (AUS) for travel in September.

southwest flight screenshot

Since I’ve registered for the promotion and am booking before Aug. 3 and traveling before Sept. 30, I would receive a 50% off promo code on October 17, 2023, in the My Account of the Southwest website.

Then let’s say in mid-November, I decided I want to plan a 2024 trip to visit friends in Chicago. I could search for a flight from LAX to Chicago’s Midway International Airport (MDW) and enter the promo code once I’ve received it.

booking window

Since the dates fall within the eligible travel windows, the flight would be half off the base fare before taxes and fees. Not that the promotion is specifically not listed as valid on flights booked with Rapid Rewards points.

Before you book, check out some of the frequently asked questions about this deal.


Maximize your purchase

If you use a Southwest Airlines credit card, such as the Southwest Rapid Rewards Priority Credit Card, you can receive 3 Rapid Rewards points on Southwest purchases. Other credit cards that earn bonus points on airfare purchases include:

Bottom line

If you’re a frequent Southwest flyer, live near a Southwest hub or want to book a couple of Southwest flights this year and next, consider taking advantage of this deal.

Be sure to register for the promotion and then book your flights by Aug. 3 and pay attention to the valid travel dates and booking window with the promo code. And if you want to create your own year-long Southwest Airlines BOGO then here’s how you can earn a Southwest Companion Pass.

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