Don't travel on a plane without noise cancelling head phones. Getting rid of most of the noise in the plane makes a huge difference for your well being - and you can actually listen to the movie you are watching.

This is a solid entry level headphones and it will be a bargain for you.

Reduces exterior noise by more than 70 percent (10 dB at 300 Hz) so you can hear music against a quieter background Active noise reduction from 40 to 1,500 Hz using 1 AAA battery (not included); extended battery life approximately 30 hours Compact size and folding design allows easy storage in a backpack, briefcase, or purse Noise-canceling on/off switch; headphones work with or without power Includes soft carrying case

https://www.amazon.com/Sony-Canceling-Headphones-Discontinued-Manufacturer/dp/B000629GES