A𝕞erican 𝔸𝕚𝕣lines is known for offering its cheapest fl𝕚ghts on off-peak days, particularly on Tuesdays, Wednesdays, and Saturdays (Book Off 20%). These days tend to have fewer travelers, allowing the 𝔸𝕚𝕣line to offer discounted prices. refunds are not allowed for non-refundable fares. You can change or cancel your trip online in just a few steps.