Incheon International (ICN) to Changi (SIN).
| Departure | Return | Price |
|---|---|---|
| 06/08/2026 | 06/17/2026 | $275 |
| 07/19/2026 | 07/27/2026 | $275 |
| 07/20/2026 | 07/27/2026 | $275 |
| 07/14/2026 | 07/20/2026 | $277 |
| 07/14/2026 | 07/22/2026 | $277 |
| 06/08/2026 | 06/14/2026 | $282 |
| 06/08/2026 | 06/15/2026 | $282 |
| 07/20/2026 | 07/29/2026 | $282 |
| 06/03/2026 | 06/08/2026 | $284 |
| 06/03/2026 | 06/09/2026 | $284 |
Based on current fares, July is the cheapest month to fly from Seoul to Singapore, with average fares around $304 round trip (as low as $275).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ICN → SINDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Seoul to Singapore is July, with average round-trip fares around $304. Fares in July start as low as $275. The most expensive month is May, averaging $335.
A nonstop flight from Seoul to Singapore takes approximately 6h 30m.
The cheapest flight from Seoul to Singapore currently starts at $275 round trip in economy class.
The average round-trip flight price from Seoul to Singapore is $323 in economy class.
The distance is 2866 miles (4611 km). with a nonstop flight time of about 6h 30m. The lowest fare currently available is $275 departing in June. The average round-trip fare is $323.
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