Cheap Flights from Singapore to Seoul — $146

The route Singapore — Seoul is served by many carriers — 12 in total, including Scoot, T'way Air, Singapore Airlines, Korean Air, Asiana Airlines, Jeju Air, AirAsia, Hainan Airlines, Cebu Pacific, Vietnam Airlines, Air China, and VietjetAir. This gives passengers wide opportunities: from finding the lowest fare (from $146) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

Singapore Changi Airport (SIN) is typically positioned as a world-class international hub handling most long-haul and regional flights, while Seletar Airport (XSP) serves smaller general aviation, turboprop and private-charter services. Changi is the main gateway used by full-service carriers and major low-cost carriers alike, and fares can be perceived as mid-to-premium depending on season and carrier. Changi sits about 20–25 km from the city center with MRT, airport shuttle and taxi options—MRT takes roughly 30–35 minutes (fares usually low single digits SGD), taxis around 20–30 minutes (higher fares, metered). Seletar is about 15–20 km northeast, reached mainly by taxi or private transfer in 20–35 minutes. Pros: Changi offers extensive lounges, dining and transit facilities with high comfort and reliable connections; Cons: it can be busier and slightly pricier for last-minute ground transport, while Seletar has limited commercial services and fewer public-transport choices.

Seoul is served primarily by two airports with distinct roles. Incheon International (ICN) functions as the global gateway and full-service hub, handling most long-haul and major carrier flights; it’s typically perceived as mid-to-high priced for lounges and on-site services. Gimpo (GMP) is closer to the city and usually focused on domestic and short-haul international routes, often used by low-cost and legacy carriers for quick connections. Incheon lies about 48 km west of central Seoul with express trains taking around 45–60 minutes and airport buses 60–90 minutes; fares can be roughly mid-range for express rail and moderate for buses. Gimpo is roughly 15–20 km from downtown, reachable by subway in about 20–30 minutes or bus/taxi in similar times, often at lower fares. Pros: Incheon offers extensive facilities and international connectivity; Gimpo is convenient for short trips and faster city access. Cons: Incheon’s distance can add travel time and cost, while Gimpo has fewer long-haul options and can be busier during peak commuter periods.

In different months, ticket prices from Singapore to Seoul vary: minimum — $136 (March 2026), maximum — $202 (September 2026). Typically, the flight costs $171–$352.