Up to 30% Off Summer Flights on Southwest

Score discounted base fares on domestic, international, and Hawaii routes with promo code SUMMER30

Southwest’s Biggest Summer Sale Is Here

Get ready to pack your carry-on and hit the skies—Southwest is offering up to 30% off base fares for summer travel with promo code SUMMER30. This deal covers a huge travel window and includes domestic, international, and inter-island Hawaii routes.

But don’t snooze: this promo is only live through May 1 and requires a 21-day advance purchase. Book directly on southwest.com and make sure to plug in the promo code before checkout to see the discounted fares.

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Promo Details

Discount: Up to 30% off base fares
Booking window: Now through May 1, 2025
Travel dates:

  • Contiguous U.S.: May 20 – October 2, 2025

  • International, Hawaii, Puerto Rico: August 17 – October 3, 2025

  • Interisland Hawaii: May 20 – July 2, 2025

Blackout dates: June 28 and September 1, 2025 (contiguous U.S.)
Valid fares: Wanna Get Away® and Wanna Get Away Plus® only
Promo code: SUMMER30 (must be entered during booking)
Book at: southwest.com

What This Means for Airline Staff

This is a fantastic opportunity for airline employees looking to lock in confirmed summer flights without breaking the bank—or relying on the standby gods. With Sunday travel excluded on most U.S. routes, this promo is especially ideal for those with flexible days off. It’s also a smart backup if loads aren’t looking promising for your nonrev trip.

Promotion Terms and Conditions
  • Up to 30 percent off promotion code savings valid for one-way or round trip Wanna Get Away® and Wanna Get Away Plus® fares booked on Southwest.com® or swabiz.com from April 28, 2025 to May 1, 2025 11:59 p.m. Pacific Time (the “Booking Period”) and flown between May 20-October 2, 2025 for continental U.S. travel, August 17-October 3, 2025 for continental U.S. travel to/from international, Hawaii, and Puerto Rico, and May 20-July 2, 2025 for interisland Hawaii travel (collectively, the “Travel Period”).

  • 21-day advance purchase required. Continental U.S. travel is blacked out June 28 and September 1, 2025. Continental U.S. travel not valid on Sundays.

  • Travel continental U.S. to Hawaii and international is valid Sunday, Monday, Tuesday, and Wednesdays.

  • Travel continental U.S. from Hawaii and international is valid Tuesdays, Wednesdays, Thursdays, and Fridays. Interisland Hawaii travel is valid Tuesdays and Wednesdays. Travel to/from San Juan, Puerto Rico is valid Mondays, Tuesdays, Wednesdays, and Thursdays.

  • Promotion code savings are applied before government taxes and fees.

  • Enter promotion code SUMMER30 in the Promo Code box when booking during the Booking Period. Seats, days, and markets are limited. If you have entered the promotion code SUMMER30 in the Promo Code box on Southwest.com or swabiz.com during the Booking Period, then while selecting your flights, savings in the base fare will be visible as a strike-through of the original fare on eligible flights.

  • 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. Please note that the Department of Transportation (DOT) requires advertised fares to include all government taxes and fees; however, this promotion applies to the base fare only.

  • Discount is valid on new reservations only.

  • Discount will apply only for select flights booked within the Booking Period, while supplies last, for travel flown within the Travel Period. Changes made to the itinerary after purchase will eliminate qualifications for this promotion and will result in forfeiture of any promotion code savings.

  • The discount is only valid with the provided promotion code and is not combinable with other promotion codes or fares.

  • All reward travel is subject to taxes, fees, and other government or airport-imposed charges of at least $5.60 per one-way trip.

  • Applicable taxes, fees, and other government or airport-imposed charges can vary significantly based on your arrival and departure destination.

  • The payment of any taxes, fees, and other government or airport-imposed charges is the responsibility of the Passenger and must be paid at the time reward travel is booked with a credit card, flight credit, or Southwest® gift card.

  • Fares are subject to change until ticketed.

  • Offer applies only to published, scheduled service.

  • Offer is not redeemable for cash and may not be used in conjunction with other special offers, or toward the purchase of a gift card or previously booked flight, or change to a previously booked flight.

  • Discount is only valid on Southwest.com, swabiz.com, and Southwest Partner Services.

  • The discount is not valid on group travel or Southwest Vacations®, through Global Distribution Systems, or special fares, such as military and government fares.

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