Aegean Airlines

One personal item is permitted on Aegean Airlines: up to 45 × 35 × 20 cm and about 5 kg (must fit under the seat). The allowance is 1 item per passenger; a second small bag is not allowed. If you bring an extra personal item, it will be treated as checked baggage with fees starting from about USD $25 when prepaid online (higher at the airport).

Aegean Airlines carry-on allowance: Economy customers may bring 1 cabin bag up to 8 kg with maximum dimensions 56 × 45 × 25 cm (plus a small personal item); Business customers may bring 2 cabin bags with a combined limit of 13 kg (main piece up to 56 × 45 × 25 cm). Extra carry-on pieces are not sold; additional or oversize items are usually taken at the gate and checked for a handling fee from $70.

Aegean Airlines (A3) checked baggage: Economy Light includes 0 checked bags; most Economy fares include 1 bag up to 23 kg; Business includes 2 bags up to 32 kg each. Maximum size per piece is 158 cm (62 in) (L+W+H). An extra 23 kg bag bought online typically costs $35–$70 depending on route (higher if paid at the airport).