1. Buy your tickets on Tuesdays at around 3 p.m.
2. Clear your cache to spend less cash.
3. Use a seat plan to feel like first class in economy.
Before choosing a seat, check out sites like SeatGuru or SeatMaestro. You can browse seat maps to find spots near a highly coveted power outlet, with more legroom, or away from the funky-smelling restroom.