SEOUL— Korean Air (KE) will restore daily nonstop flights between Incheon International Airport (ICN) and Jakarta Soekarno-Hatta International Airport (CGK) beginning in June, strengthening competition on one of Southeast Asia’s busiest corporate travel corridors.
The move comes as South Korean airlines compete aggressively for market share on routes to Indonesia following major regulatory changes linked to the Korean Air-Asiana merger.
The airline had previously reduced Seoul–Jakarta operations to twice weekly after transferring part of its Indonesia traffic rights and airport slots to T’way Air (TW) earlier this year.
The adjustment formed part of antitrust remedies imposed by regulators during the merger process involving Asiana Airlines (OZ).
Korean Air’s Jakarta Route Growth
Korean Air plans to increase the ICN-CGK route to seven weekly flights starting next month.
Industry observers consider Jakarta one of the airline’s most profitable destinations in Southeast Asia because of strong demand from Korean businesses, expatriates, and corporate travelers operating in Indonesia.
The carrier said revised bilateral aviation agreements between South Korea and Indonesia allowed greater flexibility for codeshare operations and route expansion.
Korean Air officials confirmed the airline secured additional airport slots to support the restored daily schedule.
Under the updated timetable, flights will depart Seoul at 7:40 p.m. and land in Jakarta at 12:45 a.m. local time the following day. Return services will leave Jakarta at 2:15 a.m. before arriving back in Seoul at 11:30 a.m, Miami Herald flagged.
Although the overnight schedule is considered less favorable for premium travelers, analysts said the airline remains focused on maintaining its position in Indonesia’s growing aviation market.
Korean Air’s Competition on the Route
Competition on the Seoul-Jakarta route has intensified after regulators redistributed traffic rights and airport slots among South Korean airlines.
Authorities had raised concerns that the Korean Air-Asiana merger could reduce competition on several international routes if capacity remained concentrated under a single airline group.
T’way Air currently operates the route five times weekly, while Asiana Airlines continues daily operations between the two capitals. The expanded schedules now provide travelers with multiple departure choices across different airlines.
Industry experts said Korean Air’s decision to restore full service despite losing prime-time airport slots highlights the long-term strategic value of the Indonesian market.
Airlines across Asia continue to target Jakarta because of rising business travel demand and increasing economic links between South Korea and Indonesia.
According to South Korea’s Ministry of Land, Infrastructure and Transport aviation portal, passenger traffic on the ICN-CGK sector reached 121,642 travelers during the first quarter of the year. That figure represented a 4.5% increase compared with the same period last year.
Korean Air’s Merger Strategy
Analysts expect Korean Air to continue prioritizing Jakarta even after fully integrating Asiana Airlines into its operations.
The route remains important for business connectivity, manufacturing ties, and corporate travel linked to South Korean investments in Indonesia.
Korean Air stated that expanding flight supply would improve convenience for passengers traveling between the two countries.
The airline also aims to strengthen its Southeast Asian network while responding to increasing demand for premium and corporate travel services.
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