Cheap flights from California to Seoul from $330
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Seoul departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from California to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
AIR PREMIA flights from California to Seoul
Our best AIR PREMIA deals on California to Seoul flight tickets
China Eastern flights from California to Seoul
Our best China Eastern deals on California to Seoul flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from California to Seoul
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seoul?
The month of November is another great option to travel to Seoul, with average flight prices from California averaging around $866.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Monday is the cheapest day to fly to Seoul from California. The lowest ticket price found for a Monday departure recently was $883. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,126.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from California at noon is the least expensive time of day to depart. momondo users have found prices as low as $896 when looking at flights departing at noon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,050 per ticket.
What is the cheapest California to Seoul flight route?
Fly from San Francisco to Incheon Intl for the best California - Seoul flight prices
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from California when booking 2 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,106 when searching 2 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from California for as low as $904 on momondo.
What cabin class options are available on California to Seoul flights?
There are 4 cabin classes available to choose from on California to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from California to Seoul?
AIR PREMIA, Cathay Pacific, and WestJet are the most popular carriers operating from California to Seoul
What airlines fly to Seoul?
AIR PREMIA, Asiana Airlines and Korean Air are the top three most popular airlines that fly to Seoul from California according to our data. AIR PREMIA is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 22 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
How many flights depart from California to Seoul on average per day?
31 flights are operational daily from California to Seoul as of May 2025. The most popular departure time for this route is 11:00PM, with 50% of flights per day taking off in the evening.
How many flights depart from California to Seoul on average per week?
As of May 2025, there are 220 flights per week flying from California to Seoul. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.
Cheap California to Seoul flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to Seoul
When did momondo last update prices for flights from California to Seoul?
Prices for flights from California to Seoul were last updated today.
How many operators does momondo search for flights from California to Seoul?
As of May 2025, there are 22 operators available to choose from for flights from California to Seoul.
How old do you have to be to fly from California to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Seoul.
What documentation or ID do you need to fly to Seoul?
The required travel and health documents for your Seoul trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from California to Seoul?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from California to Seoul is Boeing 787-9 Dreamliner (28.23% of total bookings). The next most popular plane models are Boeing 777-300ER (18.63%), Boeing 747-8 (16.99%), and Airbus A380-800 (14.27%).
Best airlines flying from California to Seoul
Compare and see reviews for airlines that fly from California to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $300 | Free Cancellation | Rating 7.4 8,696 reviews | |||
| PriceFrom $363 | Free Cancellation | Rating 6.6 41 reviews | |||
| PriceFrom $403 | Free Cancellation | Rating 7.9 2,409 reviews | |||
| PriceFrom $439 | Free Cancellation | Rating 7.3 3,791 reviews | |||
| PriceFrom $549 | Free Cancellation | Rating 7.2 2,826 reviews | |||
| PriceFrom $550 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $573 | Free Cancellation | Rating 7.0 9,252 reviews | |||
| PriceFrom $633 | Free Cancellation | Rating 7.2 88 reviews | |||
| PriceFrom $644 | Free Cancellation | Rating 7.1 148 reviews | |||
| PriceFrom $658 | Free Cancellation | Rating 7.5 48 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from California to Seoul?
Finding the right flight to Seoul from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.
Can I find flights from California to Seoul with flexible booking policies on momondo?
Yes. All flights to Seoul from California on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from California to Seoul?
Once you have performed a search for California to Seoul flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from California to Seoul right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seoul from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.