The 100 ml packaging is small enough for you to bring in your carry-on on a plane. The difference between parfum and EdP is a slightly lower perfume concentration.
From Sephora
Molton Brown Mesmerising Oudh Accord & Gold Eau De Parfum 100Ml
OnBuy
MOLTON BROWN MESMERISING OUDH ACCORD & GOLD EAU DE PARFUM 100ML NEW