Asiana's A380 business suite features a 32-inch screen and fully flat bed for luxury travel.
Economy Smartium on A350 offers 36-inch legroom, enhancing comfort for long flights.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $415 (Hanatour) |
One-way from | $316 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $576 |
Good round-trip deal | $524 or less |
Good one-way deal | $346 or less |
Fly from
Fly to
Route
Depart
Return
Price
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 2/23
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Mon 4/6
10:20 am-3:00 pm
Nonstop12h 40m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sat 1/31
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Wed 2/4
11:45 pm-5:40 am
Nonstop12h 55m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 2/20
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Fri 2/27
10:30 am-4:15 pm
Nonstop12h 45m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 1/23
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Fri 1/30
11:45 pm-5:40 am
Nonstop12h 55m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sat 2/14
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Sun 2/22
10:30 am-4:15 pm
Nonstop12h 45m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 1/19
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Sat 1/31
11:45 pm-5:40 am
Nonstop12h 55m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 1/23
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Thu 3/5
10:30 am-4:15 pm
Nonstop12h 45m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Tue 1/20
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Sat 1/24
10:30 am-4:15 pm
Nonstop12h 45m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 2/16
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Tue 2/17
11:45 pm-5:40 am
Nonstop12h 55m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Tue 1/20
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Fri 1/23
10:30 am-4:15 pm
Nonstop12h 45m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*1 star |
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, February is the cheapest month in which you can book a flight from Seoul to San Francisco (average of $377). Flying from Seoul 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.
A simple way to save on the total cost of your ticket is to fly from Seoul to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the afternoon.
Travelers seeking maximum savings on their Seoul 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.
The most flights from SEL to SFO 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 (6 on average).
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
Crew
Food
Boarding
Entertainment
Overall
Comfort
Reviews
Jacqueline,Aug 2025
ICN - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$524 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$415 | Average$535 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$448 | Average$625 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$450 | Average$613 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$481 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$595 | Average$760 | FlexibilityNo cancel fee | On-timeN/A |