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https://supportcommunity.milestonesys.com/s/question/0D5bH00000ZGbsZSAT/18667380738-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airlines-fastguide?language=en_UShttps://supportcommunity.milestonesys.com/s/question/0D5bH00000ZGbsZSAT/18667380738-what-day-of-the-week-is-cheapest-to-fly-on-southwest-airlines-fastguide?language=en_US