Korean Air Hikes Fuel Surcharges Amid Oil Surge — What Travelers Must Know

Quick Summary

South Korean Airlines: Korean Air, Asiana, Jeju Air, Air Busan, T’way Air, and Eastar Jet raising fuel surcharges on international routes starting April 2026.

Key Routes Affected: Long-haul to New York, Atlanta, Washington, Toronto; short-haul to Tokyo and Northeast Asia.

Traveler Impact: Surcharges tripling, e.g., Korean Air's New York route up 204,000 won one-way.

What's Next: May surcharges could rise further if oil prices hold amid Gulf tensions.

Korean Air has announced sharp increases in fuel surcharges for April 2026 tickets, aligning with Asiana Airlines, Jeju Air, Air Busan, T’way Air, Eastar Jet, and other South Korean carriers. The hikes stem from surging global jet fuel prices tied to Middle East conflicts, including the Iran war and Strait of Hormuz disruptions, pushing Singapore benchmark prices to level 18 on a 33-tier scale. Popular routes to New York and Tokyo now face surcharges that could more than triple from March levels.

Why This Matters for Global Travelers

South Korea's aviation sector relies on formula-based fuel surcharges to offset volatile jet fuel costs, calculated from Singapore's MOPS (Market on Plausible Supply) averages. The February 16 to March 15, 2026 period saw prices hit level 18, a 12-tier jump from March's level 6—the largest since the 2016 system launch. This exceeds even the Russia-Ukraine war peak of level 17 in October 2022.

Asia, as a major oil importer, feels acute pressure from Gulf disruptions, with jet fuel in the Asia-Oceania region averaging 290.79 cents per gallon from late February to early March 2026—up 41.7% from prior months. Carriers must adjust surcharges monthly or bi-monthly, passing costs directly to tickets issued in that period, regardless of travel date.

For long-haul flyers, these add-ons form a major ticket portion, while Northeast Asia routes see smaller but noticeable rises amid softening off-season demand. Airlines like Korean Air previously cut surcharges in early 2026 when prices eased, but the oil shock reverses that trend.

Korean Air Fuel Surcharge Details

Korean Air will apply April surcharges from 42,000 won to 303,000 won one-way, up from March's 13,500 won to 99,000 won. North American routes from Incheon International Airport (ICN) to New York, Atlanta, Washington, and Toronto see 204,000 won increases.

Past highs hit 325,000 won on Incheon-New York during 2022's energy crisis. Korean Air raised March surcharges 20.8% and 30% on upper ranges from prior months.

Asiana Airlines Adjustments

Asiana Airlines sets April surcharges at 43,900 won to 251,900 won one-way, surging from March's 14,600 won to 78,600 won. The Incheon-New York route jumps from 78,600 won to 251,900 won. Asiana hiked March levels 20.9% over February.

Low-Cost Carriers Step Up

Jeju Air increased March surcharges 21.4% and 22% from prior periods. Air Busan, T’way Air, and Eastar Jet follow suit, with hikes tied to the same MOPS thresholds. Jin Air, Korean Air's low-cost arm, joins the April wave.

If prices exceed 370 cents per gallon, levels could hit 23—above 2022's peak of 22. Industry sources predict May rises if Gulf tensions persist.

Airline	March Surcharge Range (one-way, won)	April Surcharge Range (one-way, won)	Key Route Example
Korean Air	13,500 - 99,000	42,000 - 303,000	Incheon-New York: +204,000
Asiana Airlines	14,600 - 78,600	43,900 - 251,900	Incheon-New York: +173,300
Jeju Air	Not specified	Aligned to MOPS level 18	Northeast Asia routes
Air Busan, T’way, Eastar, Jin Air	Aligned previously	Tripling expected	Tokyo, U.S./Europe

Key Facts at a Glance

Singapore MOPS February 16-March 15, 2026: Level 18 (33-tier scale), up 12 tiers
Jet fuel Asia-Oceania average: 290.79 cents/gallon, +41.7%
Trigger: Middle East crisis, Iran war, Strait of Hormuz risks
Applies to: Tickets issued April 2026 onward, distance-based
Historical high: Level 22 (2022), 325,000 won on long-haul
Airlines: Korean Air, Asiana, Jeju Air, Air Busan, T’way Air, Eastar Jet, Jin Air

What This Means for Travelers

Expect total ticket prices to climb, especially on U.S./Europe routes where surcharges were 78,600-99,000 won in March. Short-haul to Tokyo or Japan sees milder hits but erodes recent budget fares.

Surcharges lock in at ticketing, so book when prices dip—even if fuel falls later. Airlines may counter with base fare promotions or capacity tweaks on robust Japan/Southeast Asia routes.

Off-season demand softens the blow, but volatility urges early booking for peaks. Monitor via IATA or airline sites, as per FlightAware trends.

Challenges and Risks Ahead

Formulaic surcharges limit airline flexibility, amplifying consumer pain in off-peak. Prolonged Gulf issues could push levels to 2022 extremes, tripling costs again in May.

Demand may plunge amid higher fares, complicating sales. South Korea's tourism rebound faces headwinds from energy shocks hitting import-heavy Asia.

Frequently Asked Questions

Which South Korean airlines are raising fuel surcharges in April 2026?
Korean Air, Asiana Airlines, Jeju Air, Air Busan, T’way Air, Eastar Jet, and Jin Air are hiking surcharges based on Singapore MOPS level 18, with Korean Air's topping 303,000 won one-way on long-haul.

How much will fuel surcharges rise on New York routes?
Korean Air adds 204,000 won to Incheon-New York; Asiana jumps from 78,600 won to 251,900 won, reflecting U.S./Europe hikes of 173,300 won average.

Do fuel surcharges apply to tickets issued before April?
No—surcharges base on ticketing date, so March-issued tickets keep lower March rates even for April travel. Book early if prices stabilize.

Will surcharges keep rising in May 2026?
Yes, if oil holds amid Middle East tensions; industry expects further jumps as April doesn't fully capture Gulf impacts, potentially exceeding 2022 highs.

Related Travel Guides

Incheon Airport Guide for International Travelers
Best Fares to Tokyo from South Korea
US DOT Passenger Rights on Fare Changes

Disclaimer: Data sourced from airline announcements and industry reports as of March 18, 2026 via FlightAware and IATA. Verify with your airline or Ministry of Land, Infrastructure and Transport before booking.