Quick rules for flying with corkscrew in carry-on and checked baggage. Verdicts and conditions across the major aviation regions below.
Corkscrews WITHOUT a blade (just the spiral): allowed in carry-on. Corkscrews with a built-in foil-cutting blade: checked baggage only.
Waiter-style corkscrew with foil-cutter blade ≤ 6 cm: carry-on OK. Larger / fold-out corkscrews to checked.
Foil cutter ≤ 6 cm: carry-on OK. Larger to checked.
Foil cutter ≤ 6 cm: carry-on OK. Larger to checked.
Waiter-style corkscrew with foil cutter ≤ 6 cm blade: carry-on OK at most Asian airports (same as EU). Larger / fold-out corkscrews to checked. Some Muslim-majority destinations (Brunei, Saudi Arabia) may question wine-related accessories at customs.
Foil-cutter blade ≤ 6 cm: carry-on OK. Larger to checked.