
| Most accurate provider | eDreams 3 stars | 
|---|---|
| Most trusted provider | eDreams 3 stars | 
| Round-trip from | $616 (Alaska Airlines) | 
| One-way from | $439 (Kiwi.com) | 
| Popular in | December | 
| Cheapest in | February | 
| Average price | $832 | 
Fly from
Fly to
Route
Depart
Return
Price
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Tue 3/24
7:40 pm-6:35 pm
1 stop30h 55m
Incheon Intl
Wed 4/1
8:35 pm-10:04 pm
1 stop17h 29m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Sat 11/15
6:18 pm-6:35 pm
1 stop31h 17m
Incheon Intl
Mon 11/24
8:35 pm-11:58 pm
1 stop20h 23m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Thu 11/27
8:45 am-5:40 am
2 stops27h 55m
Incheon Intl
Sat 12/6
12:45 pm-5:52 pm
2 stops22h 07m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Sun 11/16
4:02 pm-4:15 pm
2 stops31h 13m
Incheon Intl
Wed 11/26
6:00 pm-10:05 am
2 stops33h 05m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Sun 11/16
12:30 pm-5:40 am
2 stops24h 10m
Incheon Intl
Tue 11/25
12:45 pm-5:38 pm
2 stops21h 53m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Sun 11/16
6:40 pm-4:15 pm
2 stops28h 35m
Incheon Intl
Sun 11/23
6:00 pm-10:05 am
2 stops33h 05m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Wed 12/3
12:40 pm-5:40 am
2 stops24h 00m
Incheon Intl
Thu 12/18
12:45 pm-9:16 pm
2 stops25h 31m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Wed 11/19
7:05 am-4:30 pm
1 stop16h 25m
Incheon Intl
Thu 11/27
8:05 pm-6:54 pm
1 stop15h 49m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Wed 11/19
7:05 am-4:30 pm
1 stop16h 25m
Incheon Intl
Mon 11/24
8:05 pm-10:13 pm
1 stop19h 08m
San JoseIncheon
SJC - ICN
SJCICN
San Jose
Tue 11/25
7:05 am-4:30 pm
1 stop16h 25m
Incheon Intl
Wed 12/3
7:40 pm-6:18 pm
1 stop15h 38m
| 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 Accuracy2 stars | Trust Score*3 stars | 
Currently, April is the cheapest month in which you can book a flight from San Jose, California to Seoul (average of $414). Flying from San Jose, California to Seoul in June is currently the most expensive (average of $693). 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.
When flying from San Jose, California to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 21% versus a flight in the morning.
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Food
Entertainment
Boarding
Overall
Crew
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time | 
|---|---|---|---|---|
| Cheapest$661 | Average$797 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$800 | Average$893 | FlexibilityNo cancel fee | On-time81% |