Cheapest one-way flights from San Diego to Seoul in September from $499

Best time to book flights for San Diego (SAN) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest one-way flights from San Diego (SAN) to Seoul (ICN) in September 2025 (see full year).

One-Way flights

30 Sep Alaska Airlines
18 Sep Alaska Airlines

Also check the deals for return flights from San Diego to Seoul in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Seoul

Cheap car rent in Seoul