https://meritforcustomers.microsoftcrmportals.com/forums/general-discussion/e84d4dd3-cd8c-ef11-9442-000d3ae6628a

https://www.discogs.com/forum/thread/1092272

https://www.devex.com/people/what-days-are-frontier-flights-cheapest-quick-guide-2031873

https://www.devex.com/people/what-days-are-frontier-flights-cheapest-quickcheapestservice-2031597

https://community.lumivero.com/s/question/0D5Jw00000dPrWUKA0/18557384781reportedsingapore-%F0%9D%95%AC%F0%9D%96%8E%F0%9D%96%97%F0%9D%96%91%F...

https://community.lumivero.com/s/question/0D5Jw00000dQ6bRKAS/get18667380738-responce-does-frontier-%F0%9D%95%AC%F0%9D%96%8E%F0%9D%96%97%F0%9...

https://community.lumivero.com/s/question/0D5Jw00000dQ980KAC/does-frontier-give-you-24-hrs-to-cancel

https://www.devex.com/people/how-to-avoid-frontier-cancellation-fee-immediate-avoid-2031207

https://www.devex.com/people/refund-policy-2031147

https://survivetheark.com/index.php?/forums/topic/751418-what-days-are-frontier-flights-the-cheapestfaq/

https://www.devex.com/people/frontier-airlines-cancellation-policy-refund-explained-optionss-2031106

https://community.lumivero.com/s/question/0D5Jw00000dMrKXKA0/does-frontier-refund-you-if-you-cancel-100-refundback?language=en_US