O'Hare International (ORD) to Incheon International (ICN).
| Departure | Return | Price |
|---|---|---|
| 06/13/2026 | 06/22/2026 | $1376 |
| 06/14/2026 | 06/22/2026 | $1376 |
| 06/14/2026 | 06/23/2026 | $1376 |
| 06/22/2026 | 07/01/2026 | $1388 |
| 05/24/2026 | 06/01/2026 | $1402 |
| 05/24/2026 | 06/02/2026 | $1402 |
| 05/27/2026 | 06/01/2026 | $1402 |
| 05/27/2026 | 06/02/2026 | $1402 |
| 05/27/2026 | 06/04/2026 | $1402 |
| 05/29/2026 | 06/07/2026 | $1402 |
Based on current fares, July is the cheapest month to fly from Chicago to Seoul, with average fares around $1546 round trip (as low as $1407).
See the full month-by-month and day-of-week price analysis
Best Time to Fly ORD → ICNDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Chicago to Seoul is July, with average round-trip fares around $1546. Fares in July start as low as $1407. The most expensive month is August, averaging $1618.
A nonstop flight from Chicago to Seoul takes approximately 13h 30m.
The cheapest flight from Chicago to Seoul currently starts at $1376 round trip in economy class.
The average round-trip flight price from Chicago to Seoul is $1658 in economy class.
The distance is 6579 miles (10586 km). with a nonstop flight time of about 13h 30m. The lowest fare currently available is $1376 departing in June. The average round-trip fare is $1658.
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