Cheap flights from Seoul to San Juan
Cheapest current fares: $736 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Seoul (ICN) to San Juan (SJU). Refreshed daily.
Seoul (ICN) → San Juan (SJU)
- August 2026 $736
Frequently asked questions
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What is the cheapest month to fly from Seoul to San Juan?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Seoul (ICN) to San Juan (SJU), with fares starting from $736.
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What is the lowest current fare from ICN to SJU?
The lowest currently-listed fare from Seoul (ICN) to San Juan (SJU) is $736 on 2026-08-27.
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Is there a direct flight from Seoul to San Juan?
There is currently no non-stop service from ICN to SJU. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.