Originally Posted by
kuroko
alright as Budley has mentioned I've looked into the fare SINFCO RT (I've just ignored all blackout and whatever restrictions)
cheapest saver: 571.00USD
cheapest saver upgradeable: 838.00 USD
cheapest flex: 1181.00 USD
I let you guys discuss the rest with him, however twice the price is correct if you take the cheapest fare vs the cheapest flex fare.
I wouldn't disagree with that statement; his key statement was that only flex fares could be upgraded in advance and required paying double the cost which is not true. There are saver fares which can be upgraded in advance which you have shown price of