July is the cheapest month to fly this route, with average fares around $304 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $335 | $298 | Peak | |
| June 2026 | $307 | $275 | ||
| July 2026 | $304 | $275 | Best | |
| August 2026 | $307 | $307 |
Departing on Wednesday offers the lowest average fares at $300. Sunday departures are the most expensive at $321, a difference of $21.
The best time to fly is July. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Seoul to Singapore is July, with average round-trip fares around $304. The lowest fare found in July is $275.
Wednesday departures are the cheapest, averaging $300 round trip. The most expensive day is Sunday at $321.
Based on current pricing trends, booking for July travel offers the best value. Avoid May if possible, as fares average $335 compared to $304 in the cheapest month. August is a solid middle-ground option at $307.
Flying in July instead of May can save you approximately $31 per round trip. The cheapest month averages $304 while the most expensive averages $335.
Airlines, flight times, price calendar, and more for Seoul to Singapore
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