Don't fly.
It's not worth it unless it's to deliver a vital organ for a transplant or something.
There's enough shit to see within driving distance of you, and there's enough time to get everywhere with trains and boats if your life is dedicated to seeing more than what's in driving distance.
Planes cause some of the worst pollution. A climate scientist was also fired in the past couple years for refusing to take a plane on a business trip.
Airlines are some of the most evil corporate monsters at war with the planet.