Cheap flights from California to South Korea from $367

If you aren’t able to travel to South Korea during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $817.

On average, the least expensive day to fly to South Korea from California is on a Sunday. momondo users have found tickets for Sunday departures for as low as $741. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from California to South Korea for around $921.

Flying to South Korea from California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $771 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $1,000 on average. Flights to South Korea from California at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from San Francisco to Incheon Intl for the best California - South Korea flight prices

You are more likely to see cheaper flights to South Korea from California when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,014 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from California for as low as $920 on momondo.

There are 4 cabin classes available to choose from on California to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

WestJet, Alaska Airlines, and Korean Air are the most popular carriers operating from California to South Korea

AIR PREMIA, Asiana Airlines and United Airlines are the top three most popular airlines that fly to South Korea from California according to our data. AIR PREMIA is the first choice among our users, with 63% of people opting to fly with this airline when traveling to South Korea. Keep in mind that there are 17 different airlines that fly to South Korea on a routine basis, so you have a few additional options to choose from.

As of June 2026, 33 flights take off from California and land in South Korea each day. The most common flight departure time for this route is 11:00PM, with 50% of daily flights taking off in the evening.

As of June 2026, there are 236 flights per week flying from California to South Korea. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.