What's celebrated and when — with 2026 and 2027 dates, crowd levels, and booking tips.
1
Seollal (Korean Lunar New Year)
nationalnational17-February-2026 · 2027: 6-February-2027 · 3 days · Best in Seoul · Crowds: extreme
Korea's biggest holiday alongside Chuseok. 3-day public holiday when 30+ million Koreans travel to ancestral hometowns (귀성길 gwiseonggil). Seoul empties; traffic on highways from Seoul is legendary. Traditional sebae (bow to elders receiving money), tteokguk (rice cake soup — eating it adds one year to your age), hanbok traditional dress. Many tourist sites free or discounted.

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- Sebae family bowing ceremonies
- Tteokguk rice cake soup (age-adding tradition)
- Hanbok (traditional dress) wearing in Gyeongbokgung Palace
Booking: Book flights and KTX tickets 3+ months ahead; Seoul hotels surprisingly OK (locals leave)
2
Jinhae Cherry Blossom Festival
regionalseasonal1-April-2026 · 2027: 1-April-2027 · 10 days · Best in Jinhae · Crowds: high
Korea's largest cherry blossom festival with 350,000 trees in bloom. Jinhae's Yeojwacheon Stream and Gyeonghwa Station are iconic photo spots.

hyolee2 (CC BY-SA 3.0)
- Yeojwacheon Stream tunnel
- Gyeonghwa Station railway
- Night illuminations
Booking: Book 3-4 weeks ahead for Jinhae area
3
Chuseok
nationalcultural25-September-2026 · 2027: 15-September-2027 · 3 days · Best in Seoul · Crowds: high
Korean Thanksgiving with family gatherings, traditional food, and folk villages.

Namwon030 (CC BY-SA 3.0)
- Traditional hanbok
- Folk village visits
- Songpyeon rice cakes
Booking: Book transport early - everyone travels
4
Busan International Fireworks Festival
localarts entertainment30-October-2026 · 2027: 29-October-2027 · 2 days · Best in Busan · Crowds: extreme
Korea's biggest fireworks display, held at Gwangalli Beach in Busan with the Gwangan Bridge as backdrop. 100+ minute show with music, laser, and international teams. Draws 1.5M spectators.

Busan Metropolitan city (CC BY-SA 4.0)
- Gwangan Bridge backdrop
- International fireworks teams
- Laser and music coordination
Booking: Book Busan hotel near Gwangalli 3-4 months ahead
5
Boryeong Mud Festival
localcultural17-July-2026 · 2027: 16-July-2027 · 10 days · Best in Boryeong · Crowds: high
One of Korea's most popular summer festivals with mud wrestling, mud sliding, and mudflat races on Daecheon Beach. Very popular with international visitors.

Jirka Matousek from Brussels Taipei Hong Kong Singapore Prague Shenzhen (CC BY 2.0)
- Mud wrestling
- Mud sliding
- Beach concerts
Booking: Book 3-4 weeks ahead for beachfront accommodation
6
Jinju Lantern Festival
localcultural1-October-2026 · 2027: 1-October-2027 · 15 days · Best in Jinju · Crowds: moderate
Historic lantern festival along the Nam River with thousands of floating lanterns, massive lantern installations, and wish-lantern releases dating back to 1592.

Bernard Gagnon (CC0)
- Floating lanterns on Nam River
- Giant lantern displays
- Wish lantern release
Booking: Book 1-2 weeks ahead