# Who flies Seoul Incheon → Singapore nonstop?

**6 airlines fly Seoul Incheon → Singapore nonstop: Asiana Airlines, Jeju Air, Korean Air, Scoot, Singapore Airlines and Trinity Airways.**

| Airline | Routes | Book direct |
|---|---|---|
| Asiana Airlines | Incheon (ICN) → Changi (SIN) | https://www.flyasiana.com |
| Jeju Air | Incheon (ICN) → Changi (SIN) | http://www.jejuair.net |
| Korean Air | Incheon (ICN) → Changi (SIN) | https://www.koreanair.com/ |
| Scoot | Incheon (ICN) → Changi (SIN) | http://www.flyscoot.com |
| Singapore Airlines | Incheon (ICN) → Changi (SIN) | https://www.singaporeair.com/ |
| Trinity Airways | Incheon (ICN) → Changi (SIN) | https://www.trinityairways.com/app/main |

bookDirect is the airline's own website. picktheflight earns nothing from it.

Compare fares for ICN-SIN: [Trip.com](https://www.trip.com/flights/seoul-to-singapore/tickets-ICN-SIN/?allianceid=1094387&sid=2209817&trip_sub1=c4c6f3cbcbb845d69061b1005-713359) · [Aviasales](https://www.aviasales.com/search/ICN0911SIN1?marker=713359). Affiliate links (Trip.com, Aviasales): picktheflight may earn a commission. It never changes the price or which airlines are listed.

On picktheflight: https://picktheflight.com/?from=ICN&to=SIN · JSON: https://picktheflight.com/intents/ICN/SIN

---
Data built 2026-10-12 from airline schedule tables on Wikipedia ("Airlines and destinations"), matched by exact airport article; airline booking sites from Wikidata. Schedules change. Confirm the flight on the airline's own site before booking.