South Korea’s aviation industry suffered its sharpest monthly decline since the pandemic era in April, as escalating fuel costs linked to the ongoing conflict in the Middle East weakened passenger demand and forced airlines to adopt cost-cutting measures.
According to government data cited by Bizz Buzz from South Korea’s Ministry of Data and Statistics, the aviation sector’s production index fell to 468.5 in April, representing a 13.5% decline from the previous month. The fall marked the steepest month-on-month contraction since December 2021, when the sector recorded a 14.2% decline amid pandemic-related disruptions.
The figures underline how geopolitical tensions and higher energy prices are increasingly influencing airline economics across Asia, particularly in markets heavily exposed to fuel costs.
The decline was concentrated in passenger aviation, where travel demand softened as airlines passed rising operating costs on to consumers through higher ticket surcharges.
Key industry indicators showed:
While passenger operations weakened significantly, cargo services remained comparatively resilient, posting modest growth despite broader market challenges.
The divergence highlights the continued strength of freight demand even as leisure and discretionary travel face pressure from rising costs.
At the centre of the industry’s difficulties is a sharp increase in aviation fuel costs.
According to the report, the Mean of Platts Singapore (MOPS), a benchmark for refined petroleum products in Asia, averaged US$214.71 per barrel between mid-March and mid-April. The surge pushed airlines into applying the highest fuel surcharge category, known as Level 33.
As a result, carriers significantly increased charges on international passengers.
Korean Air raised one-way fuel surcharges on long-haul international routes such as Incheon to New York and Chicago to 303,000 won, approximately US$200. The increase was reported to be roughly three times higher than March levels.
Asiana Airlines also increased international fuel surcharges, with fees ranging between 43,900 won and 251,900 won, depending on route and distance.
The higher surcharges have added substantially to travel costs at a time when consumer demand is already showing signs of moderation.
Faced with rising fuel bills and weaker demand, South Korean airlines have begun adjusting schedules and reducing capacity.
Low-cost carrier Jeju Air has cut nearly 200 round-trip international flights through June, equivalent to around 4% of its total capacity, according to the report.
The reductions affect several popular leisure destinations, including:
The carrier has also suspended its Vientiane service for two months as part of efforts to manage costs and align capacity with demand.
These measures reflect a broader trend among airlines seeking to preserve profitability as operating expenses climb.
The latest figures suggest that South Korea’s aviation recovery is facing renewed headwinds after several years of post-pandemic rebuilding.
Higher fuel costs remain particularly significant because aviation fuel represents one of the largest expense categories for airlines. Continued geopolitical uncertainty in the Middle East could prolong pricing pressures and keep operating costs elevated.
Industry observers cited in the report expect airlines to continue adjusting schedules and capacity if fuel prices remain high. Any sustained weakness in passenger demand could place additional pressure on the aviation production index in the months ahead.
For South Korea’s carriers, the challenge now lies in balancing network growth ambitions with financial discipline as the industry navigates one of its most difficult operating environments since the pandemic period.
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