Route · SIN → ICN
Flights from Singapore to Seoul
Spanning roughly 4,625 km between Changi and Incheon, this well-trafficked Northeast Asia corridor clocks in at just under six hours block time, placing Seoul comfortably within a single-aisle stretch for passengers but more commonly served by widebody equipment given the demand. Singapore Airlines and Korean Air dominate in terms of frequency and premium-cabin quality, typically deploying A350s and 777s respectively, while Asiana adds a competitive option and Air India operates the route as part of its broader Asia network. A practical note worth keeping in mind: Seoul is two hours ahead of Singapore, so afternoon departures from Changi often arrive early evening local time, which pairs well with onward KTX connections from Incheon into central Seoul. On fares, travel in January and February after the Lunar New Year rush typically yields softer pricing, while premium-economy and business seats on the SQ metal tend to fill earliest on weekend departures.
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Cheapest dates to fly
Live prices · powered by AviasalesThe calendar below pulls live fares from our search partner for Singapore (SIN) → 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
5 carriersThe 5 carriers we currently track on the Singapore–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 Singapore to Seoul
Live schedule · powered by AviasalesBelow is the published weekly schedule for nonstop and one-stop services from Singapore 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 SIN 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.