Route · BKK → ICN
Flights from Bangkok to Seoul
Bangkok's Suvarnabhumi (BKK) to Seoul Incheon (ICN) is one of Southeast Asia's busiest Northeast Asia trunk routes, covering roughly 3,667 km in a typical block time of around four hours and forty-five minutes. Korean Air and Asiana Airlines dominate with wide-body service, often deploying Boeing 777s or Airbus A330s, while budget carriers Jin Air and Jeju Air add considerable low-cost capacity on narrowbody 737s, keeping competitive pressure on fares year-round. THAI Airways rounds out the full-service options with strong connecting itineraries through its Suvarnabhumi hub. A practical note worth flagging: Seoul-bound passengers arriving at Incheon can reach central Seoul via the Airport Railroad Express (AREX) in roughly 45 minutes, a genuinely efficient option that many first-timers overlook in favor of slower taxis. Fares typically soften in early spring and late autumn outside Korean holiday windows, and midweek departures from Bangkok generally yield better pricing than weekend flights chasing peak leisure demand.
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Cheapest dates to fly
Live prices · powered by AviasalesThe calendar below pulls live fares from our search partner for Bangkok (BKK) → Seoul (ICN). Use the year view… to spot the cheapest week to fly, the day-of-week patterns most travellers miss, and any shoulder-season dips worth shifting your trip around. Prices refresh every few hours, so what you see is what your booking page should look like a moment later — click any date to jump straight to the fare on Aviasales.
Airlines on this route
10 carriersThe 10 carriers we currently track on the Bangkok–Seoul route, from full-service flag carriers to low-cost competitors. Tap any airline for its full profile, baggage… rules, fleet context, and a live fare search pre-filtered to that carrier — useful if you're loyal to a frequent-flyer programme, want to compare onboard product on the same dates, or are weighing a cheaper one-stop against a pricier nonstop.
Flights from Bangkok to Seoul
Live schedule · powered by AviasalesBelow is the published weekly schedule for nonstop and one-stop services from Bangkok to Seoul — the actual flight numbers, departure and arrival times your… booking page will pull from. Use it to plan around departure preferences (early morning vs late evening), see which carriers fly on which weekdays, or pick a connection that lets you sleep in your own bed before a long-haul leg. Click any row to load it directly in the search.
Airport guides
Quick links into the airport profiles at both ends of the route. Each guide covers terminal layout, the airlines that base hubs at BKK and… ICN, the other routes those airports serve, and the ground-transit options most travellers wish they'd read about before landing — the practical context you only really need to know once you've booked, but want to skim before you do.