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Flights to South Korea from Thailand — Routes, Airlines, THB Fares | 2026

Flights to South Korea: 3 routes from 3 Thai airports, 5 carriers. THB fares, visa notes, best booking window.

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🇰🇷 South Korea
country Fact-checked Baht-first
SE Written by SiamFlights Editorial Team · Updated May 2026 · 5 min read

Flights to South Korea — from Thai airports

Travelers reach South Korea from 3 Thai airports on 3 catalogued routes, served by Korean Air, LJ, Asiana Airlines, Thai Airways, TW. This corridor sits in the ASEAN regional + Songkran domestic corridor. This page aggregates every catalogued route to South Korea — with the airlines, weekly frequency and a link to each route’s fare guide. Fares are quoted in THB.

Routes to South Korea

RouteCarriersFrequencyPer-route guide
Bangkok (BKK) → Seoul (ICN)TG, KE, OZ, TW, LJ~56/wkBKK-ICN
Phuket (HKT) → Seoul (ICN)KE, OZ, LJ~21/wkHKT-ICN
Chiang Mai (CNX) → Seoul (ICN)KE, TG~7/wkCNX-ICN

Visa & currency

Visa: check requirements for the Thai passport before booking — some destinations are visa-free, others need an eVisa or visa-on-arrival. Refer to the embassy or mfa.go.th.

Currency: KRW. Plan on-the-ground spending in KRW; compare airfares in THB.

When to book

Book 4-8 weeks ahead. Fares rise around Songkran, the New Year period and long weekends; mid-week departures are cheapest. See each per-route guide above for month-by-month fare seasonality.

Departure airports for South Korea

FAQ

Do I need a visa for South Korea? Thai passport holders should check visa requirements with the embassy or mfa.go.th before booking — some destinations are visa-free, others need an eVisa or visa-on-arrival.

What currency is used in South Korea? South Korea uses KRW. Plan on-the-ground spending in KRW and compare airfares in THB.

How many routes go to South Korea from Thailand? Our catalogue lists 3 routes to South Korea from 3 Thai airports — see the table above.

When are flights to South Korea cheapest? Book 4-8 weeks ahead. Fares rise around Songkran, the New Year period and long weekends; mid-week departures are cheapest.

Which airlines fly to South Korea? Carriers on routes to South Korea include Korean Air, LJ, Asiana Airlines, Thai Airways, TW. See the per-route airlines in the table above.

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About SiamFlights Editorial Team

SiamFlights is a Thai editorial team covering GCC migrant-worker logistics, Buddhist pilgrimage planning (Bodh Gaya/Lumbini), Thai-diaspora long-haul VFR and ASEAN regional routes. Every article is written at one desk and verified at another. Published under a single team byline. Meet the editorial team and read our standards.

Updated May 2026

Notice: Fares, visa rules and customs change frequently. Verify everything with the airline, CAAT, TOEA or the Sheikh-ul-Islam office before booking.