at level 35
Blaziken does NOT learn flamethrower. but torchiccan. at level 42 i think!
Houndour will learn flamethrower at level 48
Blaziken can only learn Flamethrower by TM, as it cannot learn it by leveling up. However, as a Torchic, it can learn Flamethrower at some level around level 50.
Cyndaquil can learn Flamethrower at level 37.
emboar learn flamethrower at levle 43.
Skuntank learns flamethrower at level 34.
it can't learn flamethrower by itself but you can give it the TM flamethrower, you get that from the game corner
It learns Flamethrower at level 34.
Blaziken cannot learn Flamethrower by leveling up but it can learn Flamethrower via the TM 35. Blaziken's pre-evolved form Torchic can learn Flamethrower at level 43.
Level 51
Infernape can only learn Flamethrower via TM. It cannot learn it by leveling up.
Ninetales can't learn Flamethrower unless you use TM or make your vulpix lvl 24 where it will learn flamethrower then evolve it into a ninetales.