
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $699 (CrystalTravel) |
One-way from | $388 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,349 |
Good round-trip deal | $781 or less |
Good one-way deal | $419 or less |
Fly from
Fly to
Route
Depart
Return
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 11/1
2:30 pm-8:30 pm
Nonstop13h 00m
Incheon Intl
Mon 11/9
6:55 pm-12:30 pm
Nonstop10h 35m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 11/2
11:55 pm-4:25 pm
1 stop23h 30m
Incheon Intl
Wed 11/18
6:00 pm-11:40 am
Nonstop10h 40m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 9/6
10:40 am-3:00 pm
Nonstop12h 20m
Incheon Intl
Wed 9/16
5:15 pm-9:14 am
1 stop31h 59m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Tue 10/20
10:25 am-3:00 pm
Nonstop12h 35m
Incheon Intl
Tue 10/27
5:30 pm-11:51 pm
1 stop22h 21m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 10/18
11:55 pm-3:20 pm
1 stop23h 25m
Incheon Intl
Sat 11/7
6:30 pm-9:30 am
1 stop32h 00m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Tue 11/3
9:15 pm-4:25 pm
1 stop26h 10m
Incheon Intl
Wed 11/11
6:30 pm-11:51 pm
1 stop22h 21m
SeattleIncheon
SEA - ICN
SEAICN
Seattle/Tacoma Intl
Thu 7/30
2:05 pm-5:30 pm
Nonstop11h 25m
Incheon Intl
Thu 10/15
7:35 pm-1:40 pm
Nonstop10h 05m
SeattleIncheon
SEA - ICN
SEAICN
Seattle/Tacoma Intl
Wed 9/9
4:25 pm-5:05 pm
1 stop32h 40m
Incheon Intl
Tue 11/10
12:20 am-11:40 am
1 stop28h 20m
SeattleIncheon
SEA - ICN
SEAICN
Seattle/Tacoma Intl
Fri 7/31
1:05 pm-4:50 pm
Nonstop11h 45m
Incheon Intl
Fri 8/21
9:00 pm-9:59 pm
1 stop16h 59m
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Fri 10/16
1:00 pm-7:05 pm
1 stop38h 05m
Incheon Intl
Sat 10/31
10:00 am-10:15 pm
1 stop28h 15m
The best time to book flights from USA to Seoul is 57 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from USA to Seoul (average of $939). Flying from USA to Seoul in December is currently the most expensive (average of $1,466). 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.
It’s optimal to fly from USA to Seoul in the afternoon. By choosing this option you can save up to 55% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their USA to Seoul flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from US0 to SEL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (14 on average).
About 0% of weekly flights between United States and Seoul have experienced delays in the past year, with the average delay time being 0 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
Thursday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
Food
Overall
Comfort
Boarding
Crew
Entertainment
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$612 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$152 | Average$1,069 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$276 | Average$1,633 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$346 | Average$697 | FlexibilityNo cancel fee | On-time49% | |
| Cheapest$365 | Average$1,108 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$449 | Average$1,062 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$578 | Average$622 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$592 | Average$686 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$630 | Average$1,175 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$640 | Average$903 | FlexibilityNo cancel fee | On-time72% |