Flights Chicago → Seoul
As of October 2026, economy flights from Chicago to Seoul have a typical range USD 1695–2391, median USD 2080. Full range across all 259 offers: USD 1307–9610. We analyzed 259 offers from 19 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Chicago → Seoul
Based on 259 offers · October 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Chicago → Seoul
Add-on pricing from the cheapest available offer per airline · October 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| EVA Air | Included | Included | — |
| Cathay Pacific | Included | Included | — |
| Alaska Airlines | Included | USD 35 | — |
| Philippine Airlines | Included | Included | — |
| Turkish Airlines | Included | Included | — |
| Japan Airlines | Included | Included | — |
| American Airlines | Included | USD 35 | — |
| Korean Air | Included | Included | — |
| Air Canada | Included | USD 30 | — |
| Delta | Included | USD 35 | — |
| United | Included | USD 35 | — |
| Emirates | Included | Included | — |
| Qatar Airways | Included | Included | — |
| ANA (All Nippon Airways) | Included | Included | — |
| Lufthansa | Included | USD 35 | — |
| Etihad Airways | Included | Included | — |
| jetBlue | Included | USD 35 | — |
| Air China | Included | Included | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Chicago to Seoul cost?
Based on 259 offers · October 2026
Chicago to Seoul flights ranged from USD 1307 to USD 9610 across 259 offers analyzed in October 2026. The chart below shows how prices distributed across all 259 offers.
These 259 offers (October 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 1930 and USD 2239
What hidden fees do Chicago to Seoul flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Chicago to Seoul routes. The breakdown below is based on 259 offers analyzed in October 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| BR | 15 | 1% |
| CX | 50 | 2% |
| AS | 33 | 2% |
| PR | 15 | 1% |
| TK | 10 | 1% |
| JL | 0 | 0% |
| AA | 103 | 5% |
| KE | 15 | 1% |
| AC | 42 | 2% |
| DL | 40 | 2% |
| UA | 40 | 2% |
| EK | 20 | 1% |
| QR | 20 | 1% |
| NH | 0 | 0% |
| LH | 45 | 2% |
| EY | 15 | 1% |
| B6 | 45 | 1% |
| CA | 30 | 1% |
American Airlines: base ~USD 1759 + fees USD 103 = ~USD 1862 total. Turkish Airlines: base ~USD 1898 + fees USD 10 = ~USD 1908 total.
American Airlines's USD 103 ancillary fees narrow the gap with Turkish Airlines's lower-fee model — the USD 139 base difference shrinks to USD 46 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Chicago to Seoul?
19 airlines flew Chicago to Seoul in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 Cathay Pacific | 1 | — | 1473 | n/a |
 Philippine Airlines | 1 | — | 1518 | 15 (1%) |
 Cathay Pacific | 20 | 1468–2823 | 1691 | 50 (3%) |
 EVA Air | 30 | 1370–2305 | 1774 | 15 (1%) |
 Japan Airlines | 17 | 1722–3010 | 1859 | 0 (0%) |
 American Airlines | 8 | 1861–2231 | 1862 | 103 (6%) |
 Turkish Airlines | 5 | 1760–1975 | 1908 | 10 (1%) |
 Air Canada | 5 | 1927–2252 | 1957 | 42 (2%) |
 Emirates | 1 | — | 2068 | 20 (1%) |
 United Airlines | 14 | 1930–2251 | 2074 | 40 (2%) |
 Delta Air Lines | 111 | 2070–2391 | 2080 | 40 (2%) |
 Alaska Airlines | 15 | 1931–2487 | 2090 | 33 (2%) |
 Qatar Airways | 1 | — | 2129 | 20 (1%) |
 Korean Air | 21 | 1917–2288 | 2282 | 15 (1%) |
 Lufthansa | 1 | — | 2336 | 45 (2%) |
 ANA | 3 | 2283–2380 | 2364 | 0 (0%) |
 Etihad Airways | 2 | 2576–3175 | 2875 | 15 (1%) |
 B6 | 2 | 2721–3319 | 3020 | 45 (1%) |
 Air China | 1 | — | 3891 | 30 (1%) |
Where do the best Chicago → Seoul prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Chicago to Seoul flights
- Full-service carriers on Chicago–Seoul cost 0.7x more than budget airlines (USD 2124 vs USD 3020 median; overall median USD 2080).
- AA charges 10.3x more in ancillary fees than TK — USD 103 vs USD 10 avg per booking.
- The same route priced USD 682 apart depending on where it was booked — the lowest median was USD 1398. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Chicago to Seoul cost?
- Based on 259 offers analyzed, Chicago to Seoul flights range from USD 1307 to USD 9610, with a median price of USD 2080. Search for your specific dates →
- What hidden fees should I expect on Chicago to Seoul flights?
- On average, ancillary fees (bags, seat selection) add USD 33 to the base fare on Chicago to Seoul flights. See itemized fees for your itinerary →
- Which airline is cheapest on Chicago to Seoul including all fees?
- Cathay Pacific has the lowest median fare on Chicago to Seoul at USD 1473 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Chicago–Seoul flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 1398. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Chicago to Seoul routes?
- Chicago to Seoul has 19 airlines competing, creating a price range from USD 1307 to USD 9610 across 259 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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