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Southwest Promotion: 30% off fares with code SUMMER30

April 29, 2025: Southwest is out with a new promotion where you can get 30% off base fares by using the code SUMMER30.

  • Use code SUMMER30 when booking on southwest.com.
  • Only available on select continental U.S. flights from 5/20-10/2/25 and select international, Hawaii, and Puerto Rico flights from 8/17-10/3/25.
  • 21 day advance purchase required.
  • Must book by 5/1/2025.

About the author

  • Photo of Aaron Hurd, credit card and travel rewards expert.

    Aaron Hurd is the Executive Editor of Cards and Points. He is a credit card and travel rewards expert whose contributions have been featured in WSJ, TIME, Forbes, NerdWallet, and many other outlets.

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