look up the Nemo FILO. Not cheap but it’s awesome. I take it on plane trips too.
Nice! Going to pick one up. $55 from Altitude Sports
https://www.altitude-sports.com/products/nemo-equipment-fillo-pillow-llll-nem-814041014731
https://www.outdoorgearlab.com/reviews/camping-and-hiking/camping-pillow/nemo-fillo