Noticed something interesting with Air France and KLM pricing. Sometimes buying an economy ticket and then accepting an upgrade offer later ends up being cheaper than booking business class from the start.
Those upgrade offers sometimes show up during check-in or in the app closer to departure, especially on long haul flights.
Trying to figure out when the best moment actually is to go for business. Book it outright, wait for upgrade offers, or hope for a check-in deal?
Curious what strategy people usually use for long haul flights.
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