Last Updated on 2025 年 7 月 21 日 by 総合編集組
2025 Ultimate Guide to South Korea’s Low-Cost Airlines: Key Highlights
South Korea’s aviation market has seen remarkable growth, with low-cost carriers (LCCs) playing a pivotal role in making travel more accessible and affordable.
The 2025 Korean Low-Cost Airlines Ultimate Guide provides an in-depth look at eight major airlines—seven traditional LCCs and one hybrid carrier, Air Premia. This summary highlights their key features, routes, fleets, and unique offerings to help travelers plan budget-friendly trips across South Korea and beyond.
Why Choose Korean LCCs?
Korean LCCs offer unbeatable value, with fares significantly lower than full-service airlines like Korean Air or Asiana Airlines. By streamlining operations and focusing on efficiency, these carriers provide affordable tickets for domestic routes like Seoul to Jeju and international destinations across Asia, Europe, and even North America. Their partnerships through code-sharing and interline agreements enhance connectivity, making transfers seamless for global travelers.
1. Aero K: The Rising Star
Aero K, founded in 2016, operates from Cheongju International Airport. Its name, a reverse spelling of “Korea,” reflects its innovative approach. With a fleet of seven Airbus A320-200s, Aero K serves eight destinations, including domestic routes (Cheongju, Jeju, Seoul Incheon) and international flights to Japan (e.g., Fukuoka, Hiroshima), the Philippines, Taiwan, Vietnam, and Mongolia. Its focus on secondary Japanese cities and Southeast Asian hotspots makes it ideal for off-the-beaten-path travelers.
2. Air Busan: The Regional Powerhouse
Established in 2007 as a subsidiary of Asiana Airlines, Air Busan is based at Gimhae International Airport in Busan. Operating 20 Airbus A320-series aircraft, it serves 35 destinations, with a strong focus on Japan and Southeast Asia. Its international passenger traffic grew by 122% in recent years, reflecting its robust expansion. Air Busan’s modern terminal at Gimhae and code-sharing with ANA and Asiana ensure a reliable travel experience.
3. Air Seoul: The Stylish International Specialist
Air Seoul, another Asiana subsidiary, was launched in 2015 and operates from Incheon International Airport. With six Airbus A321-200s, it focuses exclusively on international routes, serving 21 destinations, particularly in Japan’s secondary cities. Its trendy branding, including a Naver WEBTOON safety video and Your Seoul magazine, enhances the travel experience. In 2023, Air Seoul achieved a record-breaking operating profit margin, showcasing its efficiency.
4. Eastar Jet: The Resilient Comeback
Founded in 2007, Eastar Jet faced challenges during the pandemic but rebounded strongly by 2023 under VIG Partners’ ownership. Operating 15 Boeing 737 aircraft, it serves 22 destinations, including Malaysia and Vietnam. As a member of the U-FLY Alliance, Eastar Jet offers seamless connectivity through code-sharing with Spring Airlines and T’way Air. Its fleet expansion plans include adding 12 more 737 MAX 8s by 2026.
5. Jeju Air: The Market Leader
Jeju Air, South Korea’s first and largest LCC, was established in 2005 by the Aekyung Group and Jeju Provincial Government. Based at Jeju International Airport, it operates 42 Boeing 737s and serves 41 destinations across Asia and Oceania. As a founding member of Value Alliance, Jeju Air excels in international expansion, carrying 7.3 million international passengers in 2018. Despite a tragic accident in 2024, it remains a top choice for reliability.
6. Jin Air: The Long-Haul Pioneer
Jin Air, a Korean Air subsidiary since 2008, is unique for operating wide-body Boeing 777-200ERs alongside 737s, totaling 31 aircraft. Serving 45 destinations, including long-haul routes like Incheon to Honolulu, Jin Air is South Korea’s second-largest LCC. Its “JINI BIZ” business class on select domestic routes offers a premium experience at budget prices. Code-sharing with Korean Air and Jetstar enhances its global reach.
7. T’way Air: The Global Explorer
T’way Air, rebranded from Hansung Airlines in 2010, operates 40 aircraft, including Airbus A330s and Boeing 737s. Serving 46 destinations, it has ventured into long-haul routes like Incheon to Sydney and Frankfurt. Its international passenger traffic quadrupled in three years, reflecting its ambitious growth. T’way Air’s code-sharing with Eastar Jet and Tigerair Taiwan ensures flexible travel options.
8. Air Premia: The Hybrid Innovator
Air Premia, founded in 2017, positions itself as a hybrid carrier, blending LCC affordability with premium services. Operating seven Boeing 787-9s from Incheon, it serves 12 destinations, including Los Angeles and Frankfurt. Its “Premia 42” premium economy and “Economy 35” cabins offer generous legroom and complimentary services like meals and baggage. Interline agreements with Alaska Airlines and Korean Air enhance connectivity.
Key Takeaways
This guide equips travelers with comprehensive insights into South Korea’s LCC landscape. Whether you’re seeking budget domestic flights, Asian adventures, or long-haul journeys, these airlines offer diverse options. Check their official websites for promotions and book early to secure the best fares.
