Asiana's A380 business class offers fully flat beds with 21” width and 74.5” length.
Economy Smartium on A350 provides 36” pitch for extra comfort, ideal for long flights.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $869 (FlightHub) |
One-way from | $470 (Kiwi.com) |
Popular in | December |
Cheapest in | August |
Average price | $2,495 |
Good round-trip deal | $907 or less |
Good one-way deal | $540 or less |
Fly from
Fly to
Route
Depart
Return
Price
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Mon 1/26
1:45 am-1:55 pm
1 stop22h 10m
Incheon Intl
Tue 4/14
3:10 pm-1:10 pm
1 stop35h 00m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Tue 1/27
1:45 am-6:35 pm
1 stop26h 50m
Incheon Intl
Sun 4/19
3:10 pm-1:10 pm
1 stop35h 00m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Tue 1/27
1:40 pm-9:25 pm
1 stop41h 45m
Incheon Intl
Sun 4/19
3:10 pm-1:10 pm
1 stop35h 00m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Mon 1/26
9:00 am-6:35 pm
1 stop43h 35m
Incheon Intl
Mon 2/9
10:00 am-12:00 pm
1 stop40h 00m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Thu 1/29
9:00 am-9:25 pm
1 stop22h 25m
Incheon Intl
Sat 4/18
8:05 pm-1:10 pm
1 stop30h 05m
New YorkSeoul
JFK - GMP
JFKGMP
New York John F Kennedy Intl
Tue 2/3
10:00 am-10:05 pm
1 stop22h 05m
Seoul Gimpo Intl
Tue 3/3
8:00 am-10:00 am
1 stop16h 00m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Fri 1/30
6:57 pm-6:35 pm
2 stops33h 38m
Incheon Intl
Fri 2/6
8:35 pm-3:18 pm
2 stops32h 43m
New YorkIncheon
JFK - ICN
JFKICN
New York John F Kennedy Intl
Tue 2/10
6:57 pm-6:35 pm
3 stops33h 38m
Incheon Intl
Sat 2/21
8:35 pm-3:45 pm
2 stops33h 10m
New YorkSeoul
JFK - GMP
JFKGMP
New York John F Kennedy Intl
Wed 2/4
10:00 am-6:20 pm
1 stop18h 20m
Seoul Gimpo Intl
Mon 2/9
8:00 am-10:00 am
1 stop16h 00m
New YorkSeoul
JFK - GMP
JFKGMP
New York John F Kennedy Intl
Tue 1/20
10:00 am-10:05 pm
1 stop22h 05m
Seoul Gimpo Intl
Sun 1/25
8:00 am-10:00 am
1 stop16h 00m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from New York John F Kennedy Intl Airport to Seoul. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, August is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Seoul (average of $418). Flying from New York John F Kennedy Intl Airport to Seoul in June is currently the most expensive (average of $1,271). 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 typically best to fly out from New York John F Kennedy Intl Airport to Seoul in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, which is usually more expensive.
Travelers seeking maximum savings on their New York John F Kennedy Intl Airport to Seoul flight should consider departing on Monday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from JFK to SEL are scheduled on a Monday (9 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
Helsinki (HEL) – chosen by Cheapflights users on 33% of 1-stop itineraries from New York John F Kennedy Intl Airport to Seoul on Cheapflights.
Taipei City (TPE) is the most affordable 1-stop option, with an average round-trip price of $862.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 18h 13m.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 26m.
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
Comfort
Overall
Entertainment
Food
Crew
Boarding
Reviews
Chris,Mar 2025
SEA - ICN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$387 | Average$1,584 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$577 | Average$1,300 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$731 | Average$1,234 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$839 | Average$877 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$931 | Average$1,020 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$933 | Average$1,037 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$949 | Average$1,173 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$1,091 | Average$1,161 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,193 | Average$1,616 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,292 | Average$1,477 | FlexibilityNo cancel fee | On-time76% |