Popsugar Living Travel The Worst Food to Eat on a Plane 10 Foods You Should Never, Ever Eat on a Plane June 24, 2018 by Allie Merriam View On One Page Photo 9 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Onions A plane ride is not the occasion to bring a sandwich packed with extra onions. Previous Next Start Slideshow TravelGifsAir TravelTravel TipsHumor