Flights from Chicago to Jeju
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The quick answer
Compare Chicago to Jeju flights across 800+ airlines for the lowest fare. Travel authorization required (ESTA-style) (South Korea).
Price calendar — Chicago to Jeju
Month-by-month lowest fares. Green = cheapest dates.
South Korea essentials
🟡 Travel authorization required (ESTA-style) · up to 90 days
K-ETA may be required; check the latest status before travel.
Full Jeju visa guide →🆘 Emergency
112 (police) · 119 (ambulance/fire)
💱 Currency
South Korean Won (₩)
🕐 Time zone
UTC+9
🗣️ Language
Korean
🔌 Plugs
Type C/F · 220V
🚗 Driving
Right side
💡 Tipping
Not expected
📞 Dial code
+82
🏛️ US Embassy
Seoul · +82 2-397-4114
Entry rules can change — always confirm with official sources before booking.
Stay connected in Jeju
Skip roaming fees — get a local eSIM before you land. Works in 200+ countries and activates instantly, so you’re online the moment you touch down.
Travel insurance
Protect your Chicago to Jeju trip against delays, cancellations, and medical emergencies. US travelers can compare plans from top insurers.
Airport transfer in Jeju
Pre-book your ride into Jeju. Fixed price, meet & greet, and a driver waiting at arrivals — no meter anxiety after a long flight.
Flight delayed or cancelled?
If your Chicago to Jeju flight was delayed more than 3 hours or cancelled, you may be entitled to up to €600 in compensation under EU/UK rules — even if you flew a non-EU airline. Free to check, no win no fee.
More resources
Chicago to Jeju — frequently asked
Are there direct flights from Chicago to Jeju?+
This route is usually served by connecting flights. Use the search above to check for any direct options on your dates.
Do US citizens need a visa for South Korea?+
Travel authorization required (ESTA-style) for stays up to 90 days. K-ETA may be required; check the latest status before travel.
What currency is used in South Korea?+
The South Korean Won (KRW, ₩). The emergency number is 112 (police) · 119 (ambulance/fire).
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