I’d like to be able to turn left and head for the pointy end of a plane. What’s the cheapest business class or first class flight I can book?
Basically, the rules are the same as What is the cheapest regular-priced scheduled flight I can book and fly? , but with a couple of sensible provisos:
It can involve other legal purchases, but they have to be included in the total price: if I have to buy $100 of ice cream to qualify for a $10 ticket, the total is $110, even if the ice cream is no more expensive than competing brands of ice cream. (Bribes do not count as legal purchases, nor does fraudulently claiming to be disabled or with a medical condition)
It can’t involve a blatant abuse of the rules: if it involves something like signing up for 5000 credit cards, it doesn’t count.
The first or business class must some some added benefits compared to an economy class flight on your average economy class flight in a developed country. So first class = seat belts available doesn’t count.