Https://www.mumsnet.com/talk/relationships/5219491-what-is-the-cheapest-day-to-buy-tickets-on-southwesthttps://www.mumsnet.com/talk/relationships/5219491-what-is-the-cheapest-day-to-buy-tickets-on-southwesthttps://www.mumsnet.com/talk/relationships/5219491-what-is-the-cheapest-day-to-buy-tickets-on-southwesthttps://www.mumsnet.com/talk/relationships/5219491-what-is-the-cheapest-day-to... https://www.mumsnet.com/talk/relationships/5219491-what-is-the-cheapest-day-to-buy-tickets-on-southwest