For a smooth departure from ORD, use the "L" train to avoid traffic delays and reach the airport efficiently.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $880 (Cathay Pacific) |
One-way from | $335 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $2,054 |
Good round-trip deal | $793 or less |
Good one-way deal | $552 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoIncheon
ORD - ICN
ORDICN
Chicago O'Hare Intl
Mon 2/23
2:35 pm-9:25 pm
1 stop39h 50m
Incheon Intl
Sun 3/8
10:00 am-12:55 pm
1 stop41h 55m
ChicagoIncheon
ORD - ICN
ORDICN
Chicago O'Hare Intl
Sun 1/18
2:35 pm-1:55 pm
1 stop32h 20m
Incheon Intl
Thu 1/22
3:00 pm-12:55 pm
1 stop36h 55m
ChicagoSeoul
ORD - GMP
ORDGMP
Chicago O'Hare Intl
Mon 2/23
11:30 pm-7:15 pm
1 stop28h 45m
Seoul Gimpo Intl
Tue 3/10
7:00 pm-8:35 pm
1 stop39h 35m
ChicagoSeoul
ORD - GMP
ORDGMP
Chicago O'Hare Intl
Sun 3/1
11:30 pm-6:00 pm
1 stop27h 30m
Seoul Gimpo Intl
Tue 3/10
7:00 pm-8:35 pm
1 stop39h 35m
ChicagoSeoul
ORD - GMP
ORDGMP
Chicago O'Hare Intl
Mon 2/23
11:30 pm-7:15 pm
1 stop28h 45m
Seoul Gimpo Intl
Fri 3/6
1:50 pm-7:35 pm
1 stop20h 45m
ChicagoSeoul
ORD - GMP
ORDGMP
Chicago O'Hare Intl
Mon 1/26
11:30 pm-7:15 pm
1 stop28h 45m
Seoul Gimpo Intl
Fri 2/27
1:50 pm-7:35 pm
1 stop20h 45m
ChicagoSeoul
ORD - GMP
ORDGMP
Chicago O'Hare Intl
Sun 3/1
11:30 pm-6:00 pm
1 stop27h 30m
Seoul Gimpo Intl
Sat 3/7
1:50 pm-7:35 pm
1 stop20h 45m
ChicagoIncheon
ORD - ICN
ORDICN
Chicago O'Hare Intl
Tue 2/17
2:35 pm-9:25 pm
1 stop39h 50m
Incheon Intl
Tue 3/31
10:10 am-7:01 am
2 stops34h 51m
ChicagoIncheon
ORD - ICN
ORDICN
Chicago O'Hare Intl
Mon 2/2
4:10 pm-10:30 am
2 stops27h 20m
Incheon Intl
Fri 2/13
7:45 pm-7:35 pm
1 stop38h 50m
ChicagoIncheon
ORD - ICN
ORDICN
Chicago O'Hare Intl
Fri 1/9
2:35 pm-1:55 pm
1 stop32h 20m
Incheon Intl
Fri 1/23
7:35 pm-12:25 pm
2 stops31h 50m
| 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 | |
| Price Accuracy1 star | Trust Score*1 star |
To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Seoul, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seoul (average of $203). Flying from Chicago O'Hare Intl Airport to Seoul in June is currently the most expensive (average of $1,239). 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.
One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Seoul is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.
The most flights from ORD to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Hong Kong (HKG) – chosen by Cheapflights users on 40% of 1-stop itineraries from Chicago O'Hare Intl Airport to Seoul on Cheapflights.
Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $784.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 17h 55m.
Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 28m.
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
Food
Comfort
Entertainment
Overall
Boarding
Crew
Reviews
Anonymous,Nov 2025
TPE - CRK
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$1,881 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$1,704 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$639 | Average$893 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$848 | Average$1,045 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$926 | Average$1,177 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,015 | Average$1,295 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,095 | Average$1,336 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$1,110 | Average$1,374 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$1,508 | Average$1,889 | FlexibilityNo cancel fee | On-time81% |