Cheap flights from Incheon Intl Airport to San Francisco from $273
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to San Francisco departing on 9/1. 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 Incheon Intl Airport to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Air Canada flights from Incheon Intl Airport to San Francisco
Our best Air Canada deals on Incheon Intl Airport to San Francisco flight tickets
AIR PREMIA flights from Incheon Intl Airport to San Francisco
Our best AIR PREMIA deals on Incheon Intl Airport to San Francisco flight tickets
See travel insights to San Francisco from
How to get the cheapest flight ticket from Incheon Intl Airport to San Francisco
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 San Francisco?
If you aren’t able to travel to San Francisco during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $607.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Incheon Intl Airport to San Francisco is on a Wednesday when prices can be found for as low as $744. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $942.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Incheon Intl Airport to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $492. Flights in the morning are often more expensive with an average ticket price of $843.
What is the cheapest Incheon Intl to San Francisco flight route?
Fly from Incheon Intl to San Francisco for the best Incheon Intl - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Incheon Intl Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $743 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Incheon Intl Airport for as low as $654 on momondo.
What cabin class options are available on Incheon Intl to San Francisco flights?
There are 4 cabin classes available to choose from on Incheon Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Incheon Intl Airport to San Francisco flights?
No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to San Francisco.
How have Incheon Intl Airport to San Francisco flight prices changed over time?
As of June 2025, prices for Incheon Intl Airport to San Francisco flights are approximately 51% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Incheon Intl to San Francisco?
AIR PREMIA, ZIPAIR, and WestJet are the most popular carriers operating from Incheon Intl to San Francisco
What airlines fly to San Francisco?
Asiana Airlines, AIR PREMIA and United Airlines are the top three most popular airlines that fly to San Francisco from Incheon Intl Airport according to our data. Asiana Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Incheon Intl Airport to San Francisco on average per day?
10 flights are operational daily from Incheon Intl Airport to San Francisco as of June 2025. The most popular departure time for this route is 4:00PM, with 44% of flights per day taking off in the evening.
How many flights depart from Incheon Intl Airport to San Francisco on average per week?
As of June 2025, 75 flights take off from Incheon Intl Airport and land in San Francisco each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.
When to book flights from Incheon Intl Airport to San Francisco
Cheap Incheon Intl Airport to San Francisco (ICN to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Incheon Intl Airport to San Francisco
Best Price Found | $273 |
|---|---|
Fastest flight time | 10h 05m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Incheon Intl to San Francisco by plane?
San Francisco is 5632.9 mi away from Incheon Intl. By plane, this route typically takes 10h 05m.
When did momondo last update prices for flights from Incheon Intl Airport to San Francisco Airport?
Prices for flights from Incheon Intl Airport to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Incheon Intl Airport to San Francisco Airport?
As of June 2025, there are 6 operators available to choose from for flights from Incheon Intl Airport to San Francisco Airport.
How old do you have to be to fly from Incheon Intl Airport to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco 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 San Francisco 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 Incheon Intl Airport to San Francisco?
momondo data reveals that the most frequently booked plane model on the route from Incheon Intl Airport to San Francisco is Boeing 787-9 Dreamliner, representing 40.18% of all bookings. The subsequent popular models are Boeing 777-300ER at 33.59%, Airbus A350-900 at 18.45%, and Airbus A380-800 at 3.58%.
What is the most popular airline from Incheon Intl Airport to San Francisco?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Incheon Intl Airport to San Francisco is Asiana Airlines (37% of total bookings). The next most popular airlines are AIR PREMIA (23%), United Airlines (18%), and Korean Air (13%).
Best airlines flying from Incheon Intl Airport to San Francisco
Compare and see reviews for airlines that fly from Incheon Intl Airport to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $459 | Free Cancellation | Rating 8.2 440 reviews | |||
| PriceFrom $462 | Free Cancellation | Rating 8.4 1,088 reviews | |||
| PriceFrom $463 | Free Cancellation | Rating 7.1 9,537 reviews | |||
| PriceFrom $502 | Free Cancellation | Rating 8.2 57 reviews | |||
| PriceFrom $510 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $711 | Free Cancellation | Rating 8.0 7,946 reviews |
Korean Air Flights From Incheon Intl Airport to San Francisco
Korean Air is one of the most popular airlines flying from Incheon Intl Airport to San Francisco, operating 7 flights/week on average for this route. A good Korean Air flight deal for Incheon Intl Airport to San Francisco starts from $462 round-trip, up to an average price of $736. Our users have rated Korean Air at 8.4/10.
Asiana Airlines Flights From Incheon Intl Airport to San Francisco
Asiana Airlines (8.2/10 from 440 reviews) operates around 21 flights from Incheon Intl Airport to San Francisco in any given week. The average Asiana Airlines airfare for this route is around $713, with deals from around $459 rare but found on momondo. Referenced prices are for round-trip Incheon Intl Airport to San Francisco flight searches in the last 72 hours.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seoul to San Francisco?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Seoul.
Can I find flights from Seoul to San Francisco with flexible booking policies on momondo?
momondo does allow users to show only those flights to San Francisco from Seoul which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seoul to San Francisco?
momondo helps you find the best flight between Seoul and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seoul to San Francisco right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Seoul and alert you when they change.