Originally Posted by smith16john

I'm wondering does the 5x pts per dollar thing work when booking directly with a foreign airline or just the US based airlines? The 'fine prints' didn't mention yes or no but AMEX was known to distinguish things like 'US supermarket' or the like before so wondering who would air ticket work in this case.

Thanks!

(Tried to search but to no avail, would appreciate pointers to relevant discussion/DPs if I missed any. )