Air Seoul vs Jeju Air: fleets and facts compared
Air Seoul (South Korea) and Jeju Air (South Korea) side by side: fleet size, main aircraft type, founding year, hubs and status, each from our database with its source and date. Both list Incheon International Airport as a hub or base.
- 6Air Seoul fleet, as of July 2026
- 44Jeju Air fleet, as of 23 March 2026
- 1shared hub
At a glance
Each fact from our database. A grey tint marks the larger value in a row; it is not a verdict.
Shared hub, outlined above: ICN.
Data last updated: Air Seoul · Jeju Air
Fleet breakdown
Aircraft types as each source reports them, largest first.
Air Seoul fleet1 type
Jeju Air fleet1 type
The type counts add up to 10 of the 44-aircraft total, as the source reports them.
Baggage & fees compared
Human-reviewed summaries. Rules change, so check the airline's own site before you book.
Air Seoul
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.
Jeju Air
Jeju Air's baggage allowance page, read on 24 October 2026, gives the following. Sizes and weights only.
- Cabin baggage (all fares): one carry-on bag plus one personal item, with a combined weight of no more than 10 kg. The carry-on bag must be within 115 cm in total dimensions with no side over 55 cm (stated as up to 40 x 20 x 55 cm). The personal item, such as a laptop or handbag, must be within 40 x 30 x 15 cm.
- Checked baggage, domestic and international routes (excluding Guam and Saipan): BIZ LITE 30 kg, STANDARD 15 kg, BASIC no free allowance.
- Checked baggage, Guam and Saipan: BIZ LITE two pieces of 23 kg, STANDARD one piece of 23 kg, BASIC no free allowance.
- Any single checked item: no more than 158 cm in total dimensions and 32 kg.
- Infants not occupying a seat: no free checked allowance on domestic flights; 10 kg on international flights, though the page notes restrictions may apply by fare. One foldable stroller, bassinet or car seat is carried in addition.
Mobility aids are carried free of charge outside these allowances.
Source: airline baggage page, read 2026-10-24.
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Frequently asked
Which has the bigger fleet, Air Seoul or Jeju Air?
Jeju Air has the larger published fleet. Air Seoul 6 aircraft (Wikipedia fleet table, as of July 2026); Jeju Air 44 aircraft (Press report, as of 23 March 2026).
Is Air Seoul cheaper than Jeju Air?
Fares change by route, date and demand, so neither airline is always cheaper. This page compares fleets and published facts, not fares. To check prices for a trip, search both airlines for the same dates.
Which airline is older?
Jeju Air was founded in 2006, Air Seoul in 2016.
Do Air Seoul and Jeju Air share a hub airport?
Yes: Incheon International Airport (ICN).
Are both airlines currently flying?
Yes. Both are active in our directory.