Cheap Flights from Chicago (CHI) to Seoul (SEL) from HK$4,363~

View HK$4,363 flight on Wed, 24 Sep 2025Opens in a new window

Popular airlines from Chicago to Seoul

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Chicago (CHI) to Seoul (SEL)

Prices were available within the past 7 days and start at HK$4,363 for one-way flights and HK$6,241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Cathay Pacific
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$6,241 Return, found 5 days ago
HK$6,241
Return
found 5 days ago
Select Cathay Pacific flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$6,241 found 5 days ago
Cathay Pacific
Fri, 29 Aug - Sun, 28 Sep
ORD
Chicago
ICN
Seoul
HK$6,631 Return, found 5 days ago
HK$6,631
Return
found 5 days ago
Select Cathay Pacific flight, departing Fri, 29 Aug from Chicago to Seoul, returning Sun, 28 Sep, priced at HK$6,631 found 5 days ago
Cathay Pacific
Fri, 29 Aug - Sat, 27 Sep
ORD
Chicago
ICN
Seoul
HK$7,021 Return, found 5 days ago
HK$7,021
Return
found 5 days ago
Select Cathay Pacific flight, departing Fri, 29 Aug from Chicago to Seoul, returning Sat, 27 Sep, priced at HK$7,021 found 5 days ago
Cathay Pacific
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$7,751 Return, found 5 days ago
HK$7,751
Return
found 5 days ago
Select Cathay Pacific flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$7,751 found 5 days ago
Cathay Pacific
Tue, 2 Sep - Fri, 26 Sep
ORD
Chicago
ICN
Seoul
HK$8,511 Return, found 5 days ago
HK$8,511
Return
found 5 days ago
Select Cathay Pacific flight, departing Tue, 2 Sep from Chicago to Seoul, returning Fri, 26 Sep, priced at HK$8,511 found 5 days ago
Air Canada
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$8,623 Return, found 5 days ago
HK$8,623
Return
found 5 days ago
Select Air Canada flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$8,623 found 5 days ago
Air Canada
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$8,675 Return, found 5 days ago
HK$8,675
Return
found 5 days ago
Select Air Canada flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$8,675 found 5 days ago
EVA Airways
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$9,014 Return, found 5 days ago
HK$9,014
Return
found 5 days ago
Select EVA Airways flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$9,014 found 5 days ago
Alaska Airlines
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$10,029 Return, found 5 days ago
HK$10,029
Return
found 5 days ago
Select Alaska Airlines flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$10,029 found 5 days ago
United
Mon, 1 Sep - Mon, 29 Sep
ORD
Chicago
ICN
Seoul
HK$10,075 Return, found 5 days ago
HK$10,075
Return
found 5 days ago
Select United flight, departing Mon, 1 Sep from Chicago to Seoul, returning Mon, 29 Sep, priced at HK$10,075 found 5 days ago
Chicago to Seoul route information
Origin airport
O'Hare Intl.
Destination airport
Incheon Intl.
Return price
HK$6,241
Distance
10458 km

Flights from Illinois to Incheon

Book cheap flights from Illinois (CHI) to Incheon (SEL) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Illinois (CHI) to Incheon (SEL) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Illinois (CHI) to Incheon (SEL) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Incheon flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Incheon and things to do in Incheon for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Incheon more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Incheon is HK$4,363 now!

 

Explore a world of travel with Expedia

*Available to Expedia members.