Https://intercom.help/hhkk1221/en/articles/10814373-what-is-the-cheapest-day-to-fly-on-frontier-airlines-%E2%84%82%F0%9D%94%B8%F0%9D%95%83%F0%9D%95%83_%E2%84%95%F0%9D%95%86%F0%9D%95%8E https://intercom.help/hhkk1221/en/articles/10814373-what-is-the-cheapest-day-to-fly-on-frontier-airlines-%E2%84%82%F0%9D%94%B8%F0%9D%95%83%F0%9D%95%83_%E2%84%95%F0%9D%95%86%F0%9D%95%8E