Asiana's A380 offers fully flat beds in Business Class, ensuring restful long-haul travel.
Economy Smartium seats provide 36-inch legroom, enhancing comfort on long flights.
$300+ Cheap flights from Incheon Intl (ICN) to San Francisco (SFO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Dec 25 — Jan 11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Incheon Intl to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to San Francisco are usually found in February or March, booked 68 days in advance, depart on a Wednesday or Monday and return on a Monday
Cheap flight deals from Incheon Intl to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 25, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $447 (American Airlines) |
One-way from | $300 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $564 |
Good round-trip deal | $535 or less |
Good one-way deal | $317 or less |
Find flight deals from Incheon Intl to San Francisco
Cheapest flights from Incheon Intl to San FranciscoExplore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
Explore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 25, 2025.
This American Airlines deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:15 pmICN - SFO
1 stop21h 10mAmerican Airlines
Sat 1/35:00 pmSFO - ICN
1 stop30h 45mAmerican Airlines
Deal found 11/25![American Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop20h 19mAlaska Airlines
Wed 2/259:24 pmSFO - ICN
2 stops28h 11mAlaska Airlines
Deal found 11/24![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop19h 19mAlaska Airlines
Fri 2/69:54 pmSFO - ICN
2 stops27h 41mAlaska Airlines
Deal found 11/24![Alaska Airlines logo]()
$477
This Expedia deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:55 pmICN - SFO
1 stop14h 40mAir Canada
Wed 12/317:30 amSFO - ICN
1 stop16h 40mAir Canada
Deal found 11/25![Air Canada logo]()
$478
This AIR PREMIA deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Wed 2/252:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 11/24![AIR PREMIA logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop20h 19mAlaska Airlines
Thu 2/266:00 amSFO - ICN
2 stops19h 35mAlaska Airlines
Deal found 11/24![Alaska Airlines logo]()
$482
This United Airlines deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2212:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Mon 12/2911:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Deal found 11/23![United Airlines logo]()
$483
This United Airlines deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Wed 12/3111:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Deal found 11/24![United Airlines logo]()
$484
This modetour deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure modetour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop19h 19mAlaska Airlines
Tue 12/3010:45 pmSFO - ICN
2 stops26h 50mAlaska Airlines
Deal found 11/24![Alaska Airlines logo]()
$488
This Agoda.com deal was found by Cheapflights users on 11/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Sun 11/302:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 11/25![AIR PREMIA logo]()
$494
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to San Francisco that are best for you.
Fly from
Incheon Intl
Fly to
San Francisco
Route
Depart
Return
Price
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 12/22
8:35 pm-11:54 pm
1 stop20h 19m
San Francisco
Sun 3/15
7:50 am-6:35 pm
2 stops18h 45m
$495
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Thu 1/29
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Sun 2/15
11:45 pm-5:40 am
Nonstop12h 55m
$511
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Tue 12/23
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Wed 2/25
11:45 pm-5:40 am
Nonstop12h 55m
$511
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sat 1/31
8:35 pm-10:47 pm
2 stops19h 12m
San Francisco
Thu 2/19
8:42 am-6:35 pm
1 stop16h 53m
$555
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 2/6
9:00 am-9:15 am
1 stop17h 15m
San Francisco
Wed 3/11
10:30 am-3:15 pm
Nonstop12h 45m
$556
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Wed 1/28
9:00 am-9:15 am
1 stop17h 15m
San Francisco
Sat 2/14
11:45 pm-5:40 am
Nonstop12h 55m
$556
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 1/23
8:35 pm-9:25 pm
2 stops17h 50m
San Francisco
Tue 1/27
7:08 pm-6:35 pm
2 stops30h 27m
$557
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sun 12/21
4:00 pm-9:30 am
Nonstop10h 30m
San Francisco
Fri 2/20
6:05 am-3:55 pm
1 stop16h 50m
$606
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sat 1/31
4:00 pm-9:30 am
Nonstop10h 30m
San Francisco
Sat 2/14
6:00 am-4:20 pm
1 stop17h 20m
$606
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sun 2/1
4:00 pm-9:30 am
Nonstop10h 30m
San Francisco
Sun 2/15
4:02 pm-5:10 am
1 stop20h 08m
$606
Showing 1-10 of 24 results
Compare providers for flights from Incheon Intl to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to San Francisco in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Incheon Intl Airport-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Incheon Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Incheon Intl Airport to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to San Francisco?
Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to San Francisco. Price data was last updated on November 21, 2025.
The price you pay for your flight from Incheon Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Incheon Intl Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $387). Flying from Incheon Intl Airport to San Francisco in August is currently the most expensive (average of $633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ICN to SFO?
Find hourly flight availability from Incheon Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 25, 2025.
It’s optimal to fly from Incheon Intl Airport to San Francisco at noon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Incheon Intl Airport to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to San Francisco. Price data was last updated on November 25, 2025.
Travelers seeking maximum savings on their Incheon Intl Airport to San Francisco flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Incheon to San Francisco delayed?
About 24% of weekly flights between Incheon and San Francisco have experienced delays in the past year, with the average delay time being 155 minutes.
What is the most punctual flight time for Incheon to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
The best insider tips for Incheon Intl Airport to San Francisco flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to San Francisco trip
Airlines
![Asiana Airlines]()
Asiana Airlines
![AIR PREMIA]()
AIR PREMIA
Air Premia offers 35-inch legroom in Economy, ensuring comfort on long-haul flights.
Premium Economy includes priority boarding and 42-43 inches of legroom, enhancing comfort and convenience.
![United Airlines]()
United Airlines
United's Polaris Business Class offers lie-flat seats and access to exclusive Polaris Lounges.
Premium Plus provides extra legroom and upgraded meals, ideal for international flights.
Airports
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated November 25, 2025.
See what other customers who have flown with Korean Air, AIR PREMIA, and Asiana Airlines from Incheon Intl Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Crew
8.7
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
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Alternative routes for Incheon Intl to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from Incheon Intl to San Francisco
Discover the top 6 airlines that operate flights from Incheon Intl to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 25, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$524 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$417 | Average$546 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$626 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$451 | Average$622 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$661 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$595 | Average$862 | FlexibilityNo cancel fee | On-timeN/A |