Cheap flights from Chicago to Seoul

Chicago FSS
CHI
Seoul
SEL

Flight deals from Chicago to Seoul

Below you can see the best deals on flights Chicago — Seoul for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 August, from $438.

Top 10 cheap flights from Chicago to Seoul

When is the best time to book a flight from Chicago to Seoul?

The price of a flight from Chicago to Seoul changes depending on how far ahead you book. For the best chance of a lower fare, book around 30 days before departure, when the average ticket costs about $669. Fares also tend to climb as the departure date gets closer.

About the Chicago — Seoul flight

Looking for cheap flights from Chicago to Seoul? Compare fares from different airlines, check the flight schedule and travel time — and book your Chicago — Seoul ticket online at the best price.

The route has direct flights — around 23 flights per week, flights are operated by Korean Air, 5Y, a nonstop flight takes about 13 h 40 min, the distance between the cities is around 10,535 km.

Planning your trip? You may find our Seoul travel guide, how to get from the airport into town and Seoul weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $438Min. price
AugustCheapest
FebruaryPeak season
YesDirect flights
10,535 kmDistance
13 h 40 minTravel time
2Airlines
23 / wkFlights

Flight schedule from Chicago to Seoul

The table shows direct flights from Chicago to Seoul on the selected date. The flight takes approximately 13 h 40 min. Regular flights are operated by Korean Air and 5Y. Departures from O'Hare International Airport, Chicago Midway International Airport and Midway International Airport airports, arrivals at Incheon International Airport and Gimpo International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
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Last update: 08 Aug 2026

Flight ticket prices by day: Chicago — Seoul

Below is a calendar of the lowest flight ticket prices for Chicago — Seoul by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $438 in August, and the most expensive are around $703 in February. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Chicago to Seoul by month. Tickets are usually cheapest in February (around $625) and priciest in December (about $956) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$735mediumMay$809highSep$699medium
Feb$625lowJun$883highOct$662medium
Mar$699mediumJul$919highNov$625low
Apr$699mediumAug$846highDec$956high

Some values are estimated based on seasonality.

When to fly

Weather in Seoul: it is warmest in August (up to 29 °C on average) and coolest in January (around 2 °C). The driest month is January.

Tickets are usually cheapest in August and most expensive in February. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Seoul

Dry and wet days · Seoul

Wind speed and direction · Seoul

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How to get the best deal on a Chicago — Seoul ticket

  • Book ahead: fares for Chicago — Seoul are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Chicago is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Seoul is usually August — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Chicago — Seoul route are operated by 2 airlines; Korean Air runs the most flights (around 74% of all flights). Compare carriers, flight shares and schedules below.

  • Korean AirKE
    6x/week
    WebsiteFleet: 16025M pax/year
    • Direct flight ORD → ICN6x/week
    73.9%Open →
  • 5Y5Y
    2x/week
    • Direct flight ORD → ICN2x/week
    26.1%

Cities and airports on the Chicago — Seoul route

Flights Chicago — Seoul depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport and Chicago Rockford International Airport and arrive at Incheon International Airport and Gimpo International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Chicago

CHI
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Seoul

SEL
Korea, Republic Of
About the cityHow to get thereWeatherAll about the country Korea, Republic Of
Departure airports
Arrival airports

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Frequently asked questions about the Chicago — Seoul flight

How long is the flight from Chicago to Seoul?

A nonstop Chicago — Seoul flight takes about 13 h 40 min — the distance between the cities is around 10,535 km.

How far is it from Chicago to Seoul?

The distance from Chicago to Seoul is about 10,535 km, which a nonstop flight covers in around 13 h 40 min.

Are there direct flights from Chicago to Seoul?

Yes, there are nonstop flights Chicago — Seoul — around 23 flights per week.

Which airlines fly from Chicago to Seoul?

Airlines operating Chicago — Seoul include Korean Air, 5Y. See the full list with schedules in the "Airlines" section on this page.

Which airports do Chicago — Seoul flights use?

Flights from Chicago depart from O'Hare International Airport, Chicago Midway International Airport, Midway International Airport, and arrive at Incheon International Airport, Gimpo International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Chicago to Seoul?

The price of a Chicago — Seoul ticket depends on your travel date, season and demand: it is usually cheapest to fly in August, and most expensive in February. Tickets typically cost between $438 and $703. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Chicago — Seoul?

Flights Chicago — Seoul are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is August. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Chicago to Seoul?

To catch a low fare Chicago — Seoul, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually August.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Chicago

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New York CityTorontoDetroitWashington, D.C.AtlantaMinneapolisLos AngelesSeattleBostonDallasHoustonOrlandoDenverNashvilleLondonIndianapolisSan DiegoMontrealMilwaukeeSt. LouisCharlottePhiladelphiaColumbusKansas CityMiamiPhoenixLas VegasCincinnatiGrand RapidsDes MoinesRaleighSan FranciscoMadisonDaytonGreen BayTampaPittsburghLouisvilleKnoxvilleRochester

Where else you can fly from Seoul

See all
Jeju CityTokyoOsakaShanghaiBusanHong KongFukuokaBangkokQingdaoTaipeiBeijingDa NangHo Chi Minh CitySingaporeHanoiNagoyaNha TrangUlaanbaatarManilaLos AngelesSapporoCebu CityKuala LumpurPhu QuocDenpasarOkinawaHagatnaGuangzhouDalianYanjiJakartaSeattleNew York CityShenzhenMacauYantaiTashkentShenyangSan FranciscoParis

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