Air Seoul vs Trinity Airways: fleets and facts compared

Air Seoul's baggage page gives the following allowances. Sizes and weights only.

• Carry-on baggage: one piece of no more than 115 cm in total (maximum 55 x 40 x 20 cm, including handles and wheels) and under 10 kg. One additional small item, such as a briefcase, laptop or small duty-free goods, may be brought, but the combined weight must stay under 10 kg.
• Checked baggage, domestic flights: 15 kg, maximum 203 cm in total, on both regular/discount and special fares; no infant allowance.
• Checked baggage, international flights: 10 kg on regular/discount fares, maximum 203 cm in total; none on special fares and no infant allowance.
• Checked baggage, Guam: two pieces of up to 23 kg each for adults and children, and one piece of up to 10 kg for infants, maximum 203 cm in total per piece.
• One infant aid (stroller, cradle or car seat) is carried free for children and infants, whatever the route or fare.

The allowance table is marked effective from 1 November 2023. Source: Air Seoul, "Baggage / Lost baggage" (carry-on and checked baggage tabs), read on 24 October 2026.

Source: airline baggage page, read 2026-10-24.

Trinity Airways' free baggage page (Korean) gives the following allowances by fare (Event, Smart, Regular and Business). Sizes and weights only.

• Cabin baggage, Event, Smart and Regular fares: one cabin bag plus one personal item (duty-free included), 10 kg in total. Business fare: two cabin bags of up to 10 kg each, 20 kg in total.
• Cabin bag size: three sides adding up to no more than 115 cm, maximum 40 x 20 x 55 cm including handles and wheels. Personal item: up to 40 x 30 x 15 cm.
• Checked baggage, domestic: Event 0 kg, Smart 15 kg, Regular 20 kg, Business 30 kg.
• Checked baggage, Europe, Singapore/Jakarta and (for travel from 25 October 2026) Australia: Event 15 kg, Smart and Regular 23 kg, Business 40 kg.
• Checked baggage, Guam, Saipan and Canada: one piece of 23 kg on Event, Smart and Regular fares; two pieces of 23 kg on Business.
• Checked baggage, Mongolia and Uzbekistan (for travel from 25 October 2026): one piece of 23 kg on Event, Smart and Regular fares; two pieces of 23 kg on Business.
• Other international routes: none on Event fares, Smart 15 kg, Regular 20 kg, Business 30 kg.
• Size and weight limits: three sides adding up to no more than 203 cm (158 cm on Guam and Saipan); no single bag over 32 kg.
• Infants under two without a seat: one stroller or car seat on domestic flights; on international flights, depending on route and fare, either one stroller or car seat, or one bag of up to 10 kg plus one stroller, walker, car seat or carry-cot.

Source: Trinity Airways, "무료 / 위탁 수하물" (free and checked baggage), read on 24 October 2026.

Source: airline baggage page, read 2026-10-24.