Cheap flights from San Francisco to Incheon Intl Airport from $333
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Incheon Intl Airport departing on 4/27. 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.
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 San Francisco to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
AIR PREMIA flights from San Francisco to Incheon Intl Airport
Our best AIR PREMIA deals on San Francisco to Incheon Intl Airport flight tickets
United Airlines flights from San Francisco to Incheon Intl Airport
Our best United Airlines deals on San Francisco to Incheon Intl Airport flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from San Francisco to Incheon Intl Airport
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 Incheon Intl Airport?
The cheapest month to fly to Incheon Intl Airport from San Francisco is in February. Flight prices, which tend to average around $678, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from San Francisco during the month March is also very affordable. Most momondo users find prices during this month for around $771.
What is the cheapest day to depart on your flight to Incheon Intl Airport?
The cheapest day to depart from San Francisco to Incheon Intl Airport is on a Monday when prices can be found for as low as $874. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,030. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.
What is the cheapest time of day to depart on your flight to Incheon Intl Airport?
In the morning is the cheapest time of day to fly from San Francisco to Incheon Intl Airport when you can find flight prices for as low as $906. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $997 on average. Flights to Incheon Intl Airport from San Francisco at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest San Francisco to Incheon Intl flight route?
Fly from San Francisco to Incheon Intl for the best San Francisco - Incheon Intl flight prices
How far in advance should I book a flight to Incheon Intl Airport?
You are more likely to see cheaper flights to Incheon Intl Airport from San Francisco when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,016 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from San Francisco for as low as $828 on momondo.
What cabin class options are available on San Francisco to Incheon Intl flights?
There are 4 cabin classes available to choose from on San Francisco to Incheon Intl 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 San Francisco to Incheon Intl?
AIR PREMIA, ZIPAIR, and WestJet are the most popular carriers operating from San Francisco to Incheon Intl
What airlines fly to Incheon Intl Airport?
United Airlines, AIR PREMIA and Asiana Airlines are the top three most popular airlines that fly to Incheon Intl Airport from San Francisco according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Incheon Intl Airport. Keep in mind that there are 11 different airlines that fly to Incheon Intl Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Incheon Intl Airport on average per day?
As of March 2025, there are 6 flights per day flying from San Francisco to Incheon Intl Airport. The most common time of day flights depart is 11:00PM, with 51% of flights taking off in the evening.
How many flights depart from San Francisco to Incheon Intl Airport on average per week?
As of March 2025, 46 flights take off from San Francisco and land in Incheon Intl Airport each week. The most common flight departure day for this route is Wed, with 30% of weekly flights taking off on this day.
When to book flights from San Francisco to Incheon Intl Airport
Cheap San Francisco to Incheon Intl Airport (SFO to ICN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Incheon Intl Airport
How far is San Francisco to Incheon Intl by plane?
Incheon Intl is 5632.9 mi away from San Francisco. A reasonable flight in good conditions will take 12h 10m.
When did momondo last update prices for flights from San Francisco Airport to Incheon Intl Airport?
Prices for flights from San Francisco Airport to Incheon Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Incheon Intl Airport?
As of March 2025, there are 11 operators available to choose from for flights from San Francisco Airport to Incheon Intl Airport.
How old do you have to be to fly from San Francisco Airport to Incheon Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Incheon Intl Airport.
What documentation or ID do you need to fly to Incheon Intl Airport?
The travel and health documents required for your trip to Incheon Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Francisco to Incheon Intl Airport?
Based on momondo bookings for flights between San Francisco and Incheon Intl Airport, the leading plane model is Boeing 777-300ER, making up 37.78% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 28.45%, Airbus A350-900 with 17.71%, and Boeing 777 with 10.99%.
What is the most popular airline from San Francisco to Incheon Intl Airport?
Based on momondo bookings for this flight route, the most popular airline on flight routes from San Francisco to Incheon Intl Airport is United Airlines (31% of total bookings). The next most popular airlines are AIR PREMIA (28%), Asiana Airlines (18%), and Korean Air (17%).
Best airlines flying from San Francisco to Incheon Intl Airport
Compare and see reviews for airlines that fly from San Francisco to Incheon Intl Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $403 | Free Cancellation | Rating 7.9 2,336 reviews | |||
| PriceFrom $641 | Free Cancellation | Rating 8.2 55 reviews | |||
| PriceFrom $651 | Free Cancellation | Rating 7.1 136 reviews | |||
| PriceFrom $660 | Free Cancellation | Rating 7.4 8,603 reviews | |||
| PriceFrom $662 | Free Cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $789 | Free Cancellation | Rating 8.4 1,050 reviews | |||
| PriceFrom $789 | Free Cancellation | Rating 7.0 8,981 reviews | |||
| PriceFrom $815 | Free Cancellation | Rating 7.5 837 reviews | |||
| PriceFrom $924 | Free Cancellation | Rating 8.2 722 reviews | |||
| PriceFrom $950 | Free Cancellation | Rating 8.4 1,169 reviews |
Korean Air Flights From San Francisco to Incheon Intl Airport
The lowest priced Korean Air flight from San Francisco to Incheon Intl Airport from the last 72 hours was $789. Generally, Korean Air has 4 flights on this route every week with an average price of $1,232. Korean Air is rated 8.4/10 by our users.
AIR PREMIA Flights From San Francisco to Incheon Intl Airport
The best AIR PREMIA deal for San Francisco to Incheon Intl Airport flight tickets found on momondo in the last 72 hours was $641, round-trip. It should be noted that an average AIR PREMIA flight deal for this route in this time was higher, at $953 round-trip. AIR PREMIA operates 4 flights out of San Francisco into Incheon Intl Airport in an average week, so prices vary by time and availability. 55 AIR PREMIA reviews by users on momondo have scored the airline at 8.2/10.
Traveling to a place near Seoul?
Book flights to Seoul if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Seoul?
It is quick and easy to find San Francisco to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.
Can I find flights from San Francisco to Seoul with flexible booking policies on momondo?
momondo does allow users to show only those flights to Seoul from San Francisco which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from San Francisco to Seoul?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from San Francisco.
I’m not ready to book a flight from San Francisco to Seoul right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Seoul from San Francisco. 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.