June is the cheapest month to fly this route, with average fares around $157 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $190 | $154 | ||
| June 2026 | $157 | $138 | Best | |
| July 2026 | $170 | $147 | ||
| August 2026 | $239 | $206 | Peak |
Departing on Tuesday offers the lowest average fares at $160. Saturday departures are the most expensive at $184, a difference of $24.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Seoul to Osaka is June, with average round-trip fares around $157. The lowest fare found in June is $138.
Tuesday departures are the cheapest, averaging $160 round trip. The most expensive day is Saturday at $184.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $239 compared to $157 in the cheapest month. May is a solid middle-ground option at $190.
Flying in June instead of August can save you approximately $82 per round trip. The cheapest month averages $157 while the most expensive averages $239.
Airlines, flight times, price calendar, and more for Seoul to Osaka
View ICN → KIX Details