How long is the flight from Chicago to Seoul?

Non-stop flights on ORD → ICN are typically around 14 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Chicago to Seoul?

The main carriers on this route are Korean Air, Asiana, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from Chicago to Seoul?

Historically the lowest fares land in January, February, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book Chicago to Seoul?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

ORD → ICN

Chicago to Seoul flights.

Live cached fares on Chicago (ORD) → Seoul (ICN), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~14h non-stop
Airlines
Korean Air, Asiana, United
Cheapest months
January, February, November

Flex dates · cheapest nearby

Loading prices…

Read our best-time-to-book guide for ORD → ICN →Target price, booking window, weekday pattern.

See 30-day price history for ORD → ICN →Median fare, lows, and best-day patterns.

No cached fares for exactly 2026-07-24 → 2026-07-31. Showing recent fares on ORD → ICN — pick a different date in the calendar above or run a live search.

Chicago → Seoul · 30 fares12-month low · $628

Cached from Travelpayouts · filter & sort below

Showing 30 of 30 results

Cheapest
Frontier · F9 2445
OutboundORD → ICNWed, Jul 8 · 2:13 AM· 20h 14m· 2 stops
$628
one-way
Book →
Frontier · F9 1596
OutboundORD → ICNFri, Jul 10 · 12:05 PM· 20h 28m· 2 stops
$647
one-way
Book →
Alaska Airlines · AS 1741
OutboundORD → ICNSat, Jul 18 · 10:59 PM· 18h 51m· 2 stops
$669
one-way
Book →
Alaska Airlines · AS 583
OutboundORD → ICNFri, Jul 3 · 11:42 PM· 18h 6m· 2 stops
$740
one-way
Book →
Alaska Airlines · AS 329
OutboundORD → ICNThu, Jul 2 · 1:20 AM· 16h 9m· 1 stop
$792
one-way
Book →
Cathay Pacific · CX 801
OutboundORD → ICNMon, Sep 7 · 9:00 PM· 19h 40m· 1 stop
ReturnICN ← ORDMon, Sep 21 · 4:55 PM· 18h 35m· 1 stop
$1,124
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNTue, Sep 22 · 9:15 PM· 19h 30m· 1 stop
ReturnICN ← ORDTue, Oct 6 · 11:00 PM· 18h 35m· 1 stop
$1,178
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNWed, Sep 2 · 9:00 PM· 19h 45m· 1 stop
ReturnICN ← ORDThu, Sep 17 · 11:00 PM· 18h 35m· 1 stop
$1,184
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNThu, Sep 3 · 9:00 PM· 19h 45m· 1 stop
ReturnICN ← ORDFri, Sep 18 · 4:40 AM· 18h 35m· 1 stop
$1,184
total round-trip
Book →
Alaska Airlines · AS 1447
OutboundORD → ICNWed, Oct 21 · 7:21 PM· 19h· 2 stops
ReturnICN ← ORDTue, Nov 3 · 3:30 PM· 18h 54m· 2 stops
$1,187
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNSun, Sep 6 · 9:00 PM· 19h 40m· 1 stop
ReturnICN ← ORDSun, Sep 20 · 4:40 AM· 18h 35m· 1 stop
$1,209
total round-trip
Book →
Alaska Airlines · AS 583
OutboundORD → ICNTue, Nov 3 · 3:31 PM· 19h 54m· 2 stops
ReturnICN ← ORDMon, Nov 16 · 2:00 PM· 18h 54m· 2 stops
$1,209
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNMon, Oct 5 · 9:15 PM· 19h 25m· 1 stop
ReturnICN ← ORDMon, Oct 19 · 11:00 PM· 18h 35m· 1 stop
$1,210
total round-trip
Book →
Frontier · F9 1596
OutboundORD → ICNFri, Sep 4 · 11:55 AM· 20h 15m· 2 stops
ReturnICN ← ORDFri, Sep 18 · 12:05 AM· 19h 7m· 2 stops
$1,215
total round-trip
Book →
WestJet · WS 1611
OutboundORD → ICNFri, Sep 11 · 10:30 PM· 15h 40m· 1 stop
ReturnICN ← ORDSat, Sep 26 · 11:45 AM· 14h 10m· 1 stop
$1,220
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNFri, Sep 25 · 9:15 PM· 19h 25m· 1 stop
ReturnICN ← ORDFri, Oct 9 · 4:55 PM· 18h 35m· 1 stop
$1,237
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNFri, Sep 25 · 9:15 PM· 19h 30m· 1 stop
ReturnICN ← ORDFri, Oct 9 · 11:05 AM· 18h 40m· 1 stop
$1,262
total round-trip
Book →
Cathay Pacific · CX 807
OutboundORD → ICNWed, Nov 11 · 8:35 PM· 19h 25m· 1 stop
ReturnICN ← ORDMon, Nov 23 · 6:00 AM· 18h 30m· 1 stop
$1,265
total round-trip
Book →
Cathay Pacific · CX 807
OutboundORD → ICNTue, Nov 10 · 8:35 PM· 19h 25m· 1 stop
ReturnICN ← ORDThu, Nov 26 · 10:35 AM· 18h 25m· 1 stop
$1,321
total round-trip
Book →
Alaska Airlines · AS 1470
OutboundORD → ICNSun, Oct 25 · 12:20 PM· 19h 8m· 2 stops
ReturnICN ← ORDFri, Nov 6 · 1:00 AM· 18h 30m· 2 stops
$1,348
total round-trip
Book →
Alaska Airlines · AS 1470
OutboundORD → ICNThu, Oct 29 · 12:20 PM· 19h 11m· 2 stops
ReturnICN ← ORDWed, Nov 11 · 3:45 AM· 17h 13m· 2 stops
$1,362
total round-trip
Book →
EVA Air · BR 55
OutboundORD → ICNFri, Nov 13 · 5:30 AM· 18h 20m· 1 stop
ReturnICN ← ORDFri, Nov 27 · 2:40 AM· 16h 25m· 1 stop
$1,493
total round-trip
Book →
Frontier · F9 1596
OutboundORD → ICNFri, Jul 10 · 12:05 PM· 20h 28m· 2 stops
ReturnICN ← ORDSat, Jul 25 · 4:05 AM· 20h 25m· 2 stops
$1,554
total round-trip
Book →
United Airlines · UA 2666
OutboundORD → ICNTue, Jun 16 · 10:00 AM· 17h 57m· 2 stops
ReturnICN ← ORDThu, Jul 2 · 8:45 AM· 19h 17m· 3 stops
$1,635
total round-trip
Book →
United Airlines · UA 1292
OutboundORD → ICNThu, Jun 11 · 1:45 PM· 17h 3m· 1 stop
ReturnICN ← ORDFri, Jun 26 · 10:35 AM· 14h 41m· 1 stop
$1,691
total round-trip
Book →
United Airlines · UA 2666
OutboundORD → ICNThu, Jun 18 · 10:00 AM· 17h 57m· 2 stops
ReturnICN ← ORDSat, Jul 4 · 8:45 AM· 18h 4m· 2 stops
$1,724
total round-trip
Book →
Cathay Pacific · CX 801
OutboundORD → ICNTue, Jun 30 · 9:00 PM· 19h 40m· 1 stop
ReturnICN ← ORDSun, Jul 12 · 11:00 PM· 19h· 1 stop
$1,750
total round-trip
Book →
United Airlines · UA 2666
OutboundORD → ICNTue, Jun 16 · 10:00 AM· 17h 57m· 2 stops
ReturnICN ← ORDTue, Jun 30 · 11:25 PM· 18h 56m· 3 stops
$1,756
total round-trip
Book →
American Airlines · AA 1717
OutboundORD → ICNSat, Jun 13 · 3:00 PM· 16h 46m· 1 stop
ReturnICN ← ORDFri, Jun 26 · 10:35 AM· 14h 33m· 1 stop
$1,793
total round-trip
Book →
United Airlines · UA 1580
OutboundORD → ICNSat, Jun 27 · 12:45 AM· 21h· 2 stops
ReturnICN ← ORDThu, Jul 9 · 8:45 AM· 18h 5m· 2 stops
$1,802
total round-trip
Book →

Try a nearby airport

Thin routes often have more options from a neighbouring airport.

Chicago (MDW) → Seoul (ICN)

nearby origin

Chicago (ORD) → Seoul (GMP)

nearby destination

About Chicago → Seoul

Star (UA) + SkyTeam (KE) + separate OZ options. Mid-week Q1 departures regularly dip below $900 round-trip in economy.

Typical non-stop flying time is around 14 hours. Major carriers on this route include Korean Air, Asiana, United. Fares are usually cheapest in January, February, November — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: Chicago to Seoul

Live cheapest round-trip fare cached on ORD → ICN for each of the next 12 months. Tap any month and run a live search to confirm.

Jun
Peak
from $1504
Jul
Peak
from $1554
Aug
No data
Sep
Low
from $1124
Oct
Low
from $1187
Nov
Low
from $1209
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data

Cheapest next 12 months: September from $1124 round-trip. Run a live search →

Booking window tip

Long-haul fares are most predictable when booked 10-16 weeks ahead. Inside six weeks expect sharp increases, especially in premium cabins. If you're paying with miles, search 330+ days ahead when award inventory first loads.

Price drop alerts

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Where to stay

Once you’ve booked the flight, pick a Seoul neighbourhood.

See where to stay in Seoul →

Questions, answered

How long is the flight from Chicago to Seoul?
Non-stop flights on ORD → ICN are typically around 14 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Chicago to Seoul?
The main carriers on this route are Korean Air, Asiana, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from Chicago to Seoul?
Historically the lowest fares land in January, February, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book Chicago to Seoul?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach Seoul

If your plans are flexible on the origin, these alternate departure airports also serve Seoul on the routes we track.

Other popular routes

Keep planning

Complete your Seoul trip

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