International route
Cheap flights from Chicago to Seoul
O'Hare International Airport (ORD) to Incheon International Airport (ICN). 6,537 miles, 13h 15m nonstop.
ORD to ICN at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 6,537 milesgreat-circle
- Typical flight time
- 13h 15mnonstop, gate to gate
- Nonstop airlines
- AAUAOZ3 airlinesAmerican, United, Asiana
- Nonstop flights per day
- 3all airlines combined
- Cheapest month
- February 2027over the next six months
- Best day to fly
- Tuesday18% less than Sunday
- Time difference
- 14h aheadSeoul vs Chicago
Chicago to Seoul
Round trips from $437
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Feb 3.
Cheapest month: February 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppChicago to Seoul fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Chicago to Seoul
3 airlines fly nonstop with 3 departures a day combined, plus 18 more with one stop.
- AAAmerican AirlinesoneworldNonstop · 1 flight a day · first checked bag from $40
- OZAsiana AirlinesStar AllianceNonstop · 1 flight a day · first checked bag included
- UAUnited AirlinesStar AllianceNonstop · 1 flight a day · first checked bag from $40
- AMAeroméxicoSkyTeamConnecting via MEX · first checked bag from $40
- ACAir CanadaStar AllianceConnecting via YVR, YUL · first checked bag from $35
- AFAir FranceSkyTeamConnecting via ORY · first checked bag from $75
- AIAir IndiaStar AllianceConnecting via DEL · first checked bag included
- ASAlaska AirlinesoneworldConnecting via SEA, PDX, SFO, LAX · first checked bag from $35
- NHANA All Nippon AirwaysStar AllianceConnecting via NRT · first checked bag included
- BABritish AirwaysoneworldConnecting via LHR · first checked bag from $75
- CXCathay PacificoneworldConnecting via HKG · first checked bag included
- CIChina AirlinesSkyTeamConnecting via TPE · first checked bag included
- DLDelta Air LinesSkyTeamConnecting via MSP, DTW, LGA · first checked bag from $35
- BREVA AirStar AllianceConnecting via TPE · first checked bag included
- JLJapan AirlinesoneworldConnecting via HND, NRT · first checked bag included
- B6JetBlueConnecting via MCO, LAX · first checked bag from $40
- LHLufthansaStar AllianceConnecting via FRA, MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via OSL · first checked bag from $80
- SKSAS Scandinavian AirlinesSkyTeamConnecting via ARN · first checked bag from $70
- VBVivaLow-costConnecting via MTY, CUN · first checked bag from $45
- Y4VolarisLow-costConnecting via MEX · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Los Angeles (LAX)B6AS2 airlines
- Mexico City (MEX)AMY42 airlines
- Tokyo (NRT)JLNH2 airlines
- Taipei (TPE)BRCI2 airlines
- Minneapolis (MSP)DL1 airline
Which airport should I use?
Chicago has 2 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Other departure airports near Chicago
Tips for this route
- American, United and Asiana all fly ORD to ICN nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- February 2027 is the cheapest month to fly over the next six months, with round trips from $437; September 2026 is the most expensive at $613 and up, a difference of $176 per traveler.
- Departing on a Tuesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- Seoul is 14 hours ahead of Chicago. Expect to lose 14 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Ready to compare live fares?
See every airline on ORD–ICN side by side with bags and seat rules spelled out.
Search Chicago to SeoulChicago to Seoul: common questions
How long is the flight from Chicago to Seoul?
A nonstop flight from Chicago (ORD) to Seoul (ICN) takes about 13h 15m gate to gate, covering 6,537 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from ORD to ICN?
American Airlines, United Airlines and Asiana Airlines operate nonstop flights from Chicago (ORD) to Seoul (ICN), with 3 nonstop departures a day between them. One-stop options connect through LAX, MEX and NRT.
What is the cheapest month to fly from Chicago to Seoul?
Over the next six months, February 2027 has the lowest round-trip fares from Chicago (ORD) to Seoul (ICN), starting at $437 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Chicago to Seoul flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Chicago and Seoul?
Seoul is 14 hours ahead of Chicago. ORD is on America/Chicago time and ICN on Asia/Seoul time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.