Economy seats offer 35 inches of legroom, ideal for long-haul comfort without extra cost.
Premium Economy includes priority boarding and extra baggage, enhancing the travel experience.
$358+ Cheap flights from San Francisco (SFO) to Incheon Intl (ICN)
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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Jul 8 — Jul 151
1 adult, Economy
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Find cheap flights from San Francisco to Incheon Intl 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 San Francisco to Incheon Intl are usually found in February or March, booked 5 days in advance, depart on a Monday or Sunday and return on a Wednesday
Cheap flight deals from San Francisco to Incheon Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Incheon Intl (ICN). 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 July 3, 2025.
Round-trip from | $660 (Ovago) |
|---|---|
One-way from | $358 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,075 |
Good round-trip deal | $678 or less |
Good one-way deal | $388 or less |
Find flight deals from San Francisco to Incheon Intl
Cheapest flights from San Francisco to Incheon IntlExplore the most affordable flight options available from San Francisco to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
Explore the most affordable flight options available from San Francisco to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 9/1210:35 amSFO - ICN
Nonstop12h 25mUnited Airlines
Thu 9/184:50 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 7/2![United Airlines logo]()
$662
This Gurufare deal was found by Cheapflights users on 7/1. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/112:00 pmSFO - ICN
1 stop35h 20mChina Eastern
Thu 11/208:55 amICN - SFO
1 stop17h 05mChina Eastern
Deal found 7/1![China Eastern logo]()
$669
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:00 pmSFO - ICN
1 stop30h 40mAir China
Sat 11/810:40 amICN - SFO
1 stop16h 10mAir China
Deal found 7/1![Air China logo]()
$673
This CrystalTravel deal was found by Cheapflights users on 7/1. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/193:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sun 9/286:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 7/1![AIR PREMIA logo]()
$677
This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 11/107:52 pmSFO - ICN
1 stop30h 33mAlaska Airlines
Sun 11/239:25 pmICN - SFO
1 stop15h 35mAlaska Airlines
Deal found 6/30![Alaska Airlines logo]()
$688
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/710:15 amSFO - ICN
1 stop19h 20mMultiple Airlines
Wed 9/178:35 amICN - SFO
1 stop22h 45mMultiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$723
This CrystalTravel deal was found by Cheapflights users on 7/2. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:05 amSFO - ICN
1 stop19h 35mCathay Pacific
Tue 9/168:05 pmICN - SFO
1 stop18h 35mCathay Pacific
Deal found 7/2![Cathay Pacific logo]()
$752
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Incheon Intl 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 July 3, 2025.
Use the filters below to find and compare flights from San Francisco to Incheon Intl Airport that are best for you.
Fly from
San Francisco
Fly to
Incheon Intl
Route
Depart
Return
Price
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Fri 9/12
10:35 am-3:00 pm
Nonstop12h 25m
Incheon Intl
Thu 9/18
4:50 pm-11:35 am
Nonstop10h 45m
$662
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 9/1
12:00 pm-3:20 pm
1 stop35h 20m
Incheon Intl
Thu 11/20
8:55 am-9:00 am
1 stop17h 05m
$669
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Fri 9/19
3:30 pm-8:30 pm
Nonstop13h 00m
Incheon Intl
Sun 9/28
6:20 pm-1:00 pm
Nonstop10h 40m
$677
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 9/29
8:04 pm-7:00 pm
1 stop30h 56m
Incheon Intl
Mon 10/6
8:35 pm-9:16 am
1 stop28h 41m
$699
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 9/7
10:15 am-9:35 pm
1 stop19h 20m
Incheon Intl
Wed 9/17
8:35 am-3:20 pm
1 stop22h 45m
$723
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 8/31
1:05 am-12:40 pm
1 stop19h 35m
Incheon Intl
Tue 9/16
8:05 pm-10:40 pm
1 stop18h 35m
$752
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 9/7
10:15 am-9:35 pm
1 stop19h 20m
$358
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Wed 7/23
3:30 pm-8:30 pm
Nonstop13h 00m
$359
The best insider tips for San Francisco to Incheon Intl Airport 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 San Francisco to Incheon Intl Airport trip
Airlines
![AIR PREMIA]()
AIR PREMIA
![Asiana Airlines]()
Asiana Airlines
Business class offers fully flat beds and direct aisle access for ultimate comfort.
Economy Smartium seats provide 36 inches of legroom, ensuring extra comfort on long flights.
Airports
Our travel experts
Best time to book a flight from San Francisco to Incheon Intl
Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from San Francisco 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 San Francisco to Incheon Intl Airport
How far ahead should I book a flight from San Francisco to Incheon Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Incheon Intl. Price data was last updated on June 27, 2025.
Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Francisco to Incheon Intl Airport?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of $998). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of $1,635). 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 SFO to ICN?
Find hourly flight availability from San Francisco to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from San Francisco to Incheon Intl Airport by exploring options for tickets in the afternoon.
What is the cheapest day to fly from San Francisco to Incheon Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Incheon Intl. Price data was last updated on June 29, 2025.
Travelers seeking maximum savings on their San Francisco to Incheon Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Incheon Intl Airport
Explore weekly flight availability from San Francisco to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.
The most flights from SFO to ICN are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).
Reviews of airlines servicing Incheon Intl
Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated July 3, 2025.
Read reviews from past customers who have flown AIR PREMIA, Alaska Airlines, and Cathay Pacific from San Francisco to Incheon Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Boarding
7.9
Food
7.2
Crew
8.8
Comfort
8.3
Entertainment
6.7
Overall
8.2
Reviews
1 / 5
2.0
MediocreAnonymous,Aug 2024
BKK - ICN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Incheon Intl. 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 San Francisco to Incheon Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from San Francisco to Incheon Intl
Discover the top 10 airlines that operate flights from San Francisco to Incheon Intl. 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 July 3, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$403 | Average$887 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$625 | Average$799 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$651 | Average$752 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$655 | Average$880 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$660 | Average$814 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$1,075 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$779 | Average$989 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$789 | Average$952 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$809 | Average$875 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$833 | Average$869 | FlexibilityNo cancel fee | On-time81% |