International and Nationwide Southwest Flash Sale (from $49 one-way)

Southwest Rapid Rewards Priority Credit Card

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Check out this Southwest flash sale! This international & nationwide Southwest flash sale promotion is for late summer and fall travel. Many cities have flights as low as $49 one-way on domestic routes. Remember that these are one-way fares, so look for a good deal on the return flight as well.

A few examples of the many flight deal options included in this sale are listed below, but check out the list of fares to find the best deals from your home city. This flash sale ends June 7th @ 11:59 pm.


Southwest Flash Sale


Thrifty Tip #1: Southwest does not charge for checked bags or carry-on.

Thrifty Tip #2: You can cancel any Southwest flight and be given a voucher for later use in 2018 (no fee). If you book with points you can also cancel with no fee and the points are re-deposited.


Fare Availability:

  • Domestic travel dates: August 21st – December 12th
  • Puerto Rico travel dates: September 5th – December 6th
  • International travel dates: August 21st – December 12th
    • Blackout dates apply and tickets are nonrefundable.

How to Search & Book:

  • Book directly through Southwest
    • Book by June 7th, 2018 

Hotel Accommodations:

  • Book cheap hotels or rental cars with Priceline 


Southwest Flash Sale

Sample flash fares from MSP

Southwest Flash Sale

Sample flash fares from MDW


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