Traveling with baby

MamaBear813 β€’ Married Dec 2014 β€’ TTC #1 since Nov 2015 β€’ 3 failed IUI's β€’ FINALLY PREGNANT after IVF #1 πŸ™πŸΌπŸ™ŒπŸΌπŸ‘ΆπŸ»πŸ’™ β€’ Baby boy born July β€˜18 πŸ’™

My son will be 5.5 months old when we are traveling internationally at Christmas. Nervous FTM here πŸ™‹πŸΌβ€β™€οΈπŸ˜°

Advice please πŸ™‚