These two coin is what i mostly convert before making withdrawal from that exchange.
LTC withdrawal flat fee is 0.053 LTC (~16 USD at the moment)
TRX withdrawal flat fee is 108.5 TRX (~12.7 USD at the moment)
IF you think you have been paying cheap fees by withdrawing through those two coins. You were probably mistaken
I think EOS is the cheapest option, 0.1 EOS, but it's a matter of time before they increase that fee too.