Ideas
Fill up empty seats by selling affordable return trips to unknown/secret destinations. Pick the destinations among those that have low occupancy close to departure time.
Let people on the plane as they are seated, start with A and F, then B and E, and then C and D at last.
No butter standard on the tray – Served with bread only. No sugar nor milk standard on the tray – Served together with tea/coffee only. Salt and Pepper – Ask to get!
By charging more for luggage, travelers might reconsider how much they bring. And this will also enable reduced weight of the aircraft.
SAS should encourage the last lounge guests to take leftover food, minimizing waste and promoting sustainability in their lounges.
Only business class seats and prices in all planes
Let passengers plant biodegradable seeds after their flight, supporting sustainability. Enhancing environmental responsibility and passenger engagement.
International ban on private jets. Everyone can fly commercial. With option like business and first class this should be achievable if all nations want to reduce emission
More variation in aircraft sizes = optimized cabin factor = less fuel consumption/passenger