Cheapest return flights from Chicago to Seoul in October from $669
AirHint found the following cheapest return flights from Chicago (ORD) to Seoul (ICN)
in October 2025 (see full year ).
Return flights
21 Oct
- 27 Oct
Cathay Pacific
$ 669
23 Oct
- 12 Nov
Cathay Pacific
$ 669
02 Oct
- 19 Oct
Cathay Pacific
$ 671
21 Oct
- 02 Nov
Cathay Pacific
$ 691
02 Oct
- 15 Oct
Cathay Pacific
$ 704
27 Oct
- 17 Nov
Cathay Pacific
$ 704
24 Oct
- 12 Nov
Cathay Pacific
$ 712
23 Oct
- 01 Nov
Cathay Pacific
$ 712
03 Oct
- 25 Oct
Cathay Pacific
$ 761
24 Oct
- 31 Oct
Cathay Pacific
$ 784
24 Oct
- 01 Nov
Cathay Pacific
$ 788
03 Oct
- 10 Oct
Cathay Pacific
$ 882
15 Oct
- 22 Oct
Turkish Airlines
$ 964
16 Oct
- 28 Oct
WestJet
$ 964
15 Oct
- 29 Oct
Turkish Airlines
$ 964
15 Oct
- 14 Nov
Turkish Airlines
$ 979
15 Oct
- 13 Nov
Turkish Airlines
$ 979
13 Oct
- 21 Oct
Frontier Airlines
$ 991
12 Oct
- 23 Nov
Hawaiian Airlines
$ 1059
30 Oct
- 03 Nov
Air Canada
$ 1059
Also check the deals for one-way flights from Chicago to Seoul in October .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
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