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Cheap flights from San Francisco to Seoul

Fares from $349 in November 2026. Compare every month below, then book with the site you like.

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Cheapest San Francisco to Seoul fares by month

Lowest price per person found in recent searches. Prices change often and are checked when you book.

San Francisco to Seoul at a glance

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Frequently asked questions

How much is a flight from San Francisco to Seoul?
The cheapest fare we found recently is $349 per person, departing Nov 1 on YP. Prices change daily, so search your dates to see today's fares.
What is the cheapest month to fly from San Francisco to Seoul?
November 2026 is currently the cheapest month, from $349. December 2026 is the most expensive, from $369.
Are there direct flights from San Francisco to Seoul?
Yes. Recent searches found nonstop fares from $349.
Which airlines fly from San Francisco to Seoul?
The cheapest recent fares on this route were on YP.
How long is the flight from San Francisco to Seoul?
San Francisco and Seoul are about 5,646 miles apart, so a nonstop flight takes roughly 12h 30m. Flights with a stop take longer, depending on the connection.
Do I need a passport to fly from San Francisco to Seoul?
Yes. Seoul is in South Korea, so you need a valid passport, and some countries also ask for a visa or an online travel authorization. Check the entry rules for your nationality before you book.
How do I find the cheapest flight from San Francisco to Seoul?
Search your dates on Gotoesy. We list fares from several booking sites sorted cheapest first, show nearby dates when your day has no saved fare, and send you straight to the seller to book.

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