Cheapest return flights from San Diego to Seoul in September from 727€

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

Return flights

28 Sep - 31 Oct Frontier Airlines
15 Sep - 30 Sep Air Canada
16 Sep - 26 Sep United
19 Sep - 28 Sep Delta
18 Sep - 25 Sep Delta
16 Sep - 27 Sep Delta
15 Sep - 24 Sep Delta
25 Sep - 02 Oct Delta
24 Sep - 03 Oct Delta
28 Sep - 30 Sep United
24 Sep - 04 Oct Delta
26 Sep - 04 Oct United

Also check the deals for one-way 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.

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