June is the cheapest month to fly this route, with average fares around $188 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $191 | $167 | ||
| June 2026 | $188 | $173 | Best | |
| July 2026 | $236 | $200 | ||
| August 2026 | $314 | $306 | Peak |
Departing on Friday offers the lowest average fares at $204. Monday departures are the most expensive at $228, 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 Tokyo is June, with average round-trip fares around $188. The lowest fare found in June is $173.
Friday departures are the cheapest, averaging $204 round trip. The most expensive day is Monday at $228.
Based on current pricing trends, booking for June travel offers the best value. Avoid August if possible, as fares average $314 compared to $188 in the cheapest month. July is a solid middle-ground option at $236.
Flying in June instead of August can save you approximately $126 per round trip. The cheapest month averages $188 while the most expensive averages $314.
Airlines, flight times, price calendar, and more for Seoul to Tokyo
View ICN → NRT Details