The cheapest day to book fl𝕚ghts on American 𝔸𝕚𝕣lines typically varies, but Tuesdays and Wednesdays (Book Off 20%) are generally considered the best days to find lower fares. 𝔸𝕚𝕣l𝕚nes often release deals at the beginning of the week, and fl𝕚ghts scheduled on weekdays, especially midweek, tend to be less expensive than weekend fl𝕚ghts (Book Off 20%).
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