The best time to book cheap long-haul flights is about 21 to 28 weeks in advance , or 5 to 7 months in advance, to save more than 20%. We’ve also found that booking at least 2 to 4 months in advance is sometimes enough time to find good prices.

https://sites.google.com/view/alaska-airlines-mexico/home
https://sites.google.com/view/tap-portugal-es-pt/home
https://sites.google.com/view/qatar-airways-es-es/home