Flying with a groom’s suit? Skip the checked bag and pack it in a garment...

https://blast-wiki.win/index.php/How_to_Keep_a_Suit_Looking_Sharp_for_Welcome_Dinner_and_Wedding_Day

Flying with a groom’s suit? Skip the checked bag and pack it in a garment duffel or garment bag as your carry-on to keep it wrinkle-free