Inter-war airliners, particular in the earlier years, have always been interesting to me, and I've come to wonder just how an average person would go about flying on one. How would they feel about flying high (to them) in the sky? What was it like? Were the pilots well trained?
Thank you for your time and attention.
I don't want to offer this as an answer, but as a refinement to the question - in 1924, there was no air service across the Atlantic. Lindbergh - the 19th man to cross the Atlantic by plane, though the first to do so solo - wouldn't fly until 1927. The first transatlantic flight - in 1919, by a two-man team - represented stepping stones to mail-type experimental flights, but it wouldn't be until mid 1939 that you could book a trip on anything resembling an "airliner" with Pan Am.
...that is, unless you were a previous zeppelin customer! Those kind of trans-Atlantic flights began much earlier - the first commercial flight occurring in 1928.
Still, way back in 1924...you're fairly out of luck.
EDIT: I just realised that you're asking about the channel, not the Atlantic. Carry on.