Originally Posted by
Goldorak
immigration, not customs !!

customs is a totally different thing and purpose.
OP will not need to clear either. OP is flying Non-Schengen to Non-Schengen . (UK -> AMS -> US)
They won't even need to reclear security at AMS, both outbound and return.
Last edited by flyerCO; Feb 11, 2022 at 7:08 am