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Flights from Seoul to Illinois

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Flight deals from Seoul to Illinois

Looking for cheap tickets from Seoul to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.
Chicago.SAR 2,422 per passenger.Departing Sat, 24 May, returning Wed, 28 May.Return flight with Asiana Airlines and Frontier Airlines.Outbound indirect flight with Asiana Airlines, departs from Incheon International on Sat, 24 May, arriving in Chicago O'Hare International.Inbound indirect flight with Frontier Airlines, departs from Chicago O'Hare International on Wed, 28 May, arriving in Incheon International.Price includes taxes and charges.From SAR 2,422, select.
Bloomington.SAR 5,394 per passenger.Departing Sun, 21 Sep, returning Sun, 28 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Sun, 21 Sep, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departs from Central Illinois Regional on Sun, 28 Sep, arriving in Incheon International.Price includes taxes and charges.From SAR 5,394, select.
Moline.SAR 5,830 per passenger.Departing Wed, 11 Jun, returning Sun, 22 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Wed, 11 Jun, arriving in Moline.Inbound indirect flight with Delta, departs from Moline on Sun, 22 Jun, arriving in Incheon International.Price includes taxes and charges.From SAR 5,830, select.
Champaign.SAR 6,664 per passenger.Departing Tue, 26 Aug, returning Tue, 16 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Incheon International on Tue, 26 Aug, arriving in Champaign.Inbound indirect flight with Qatar Airways, departs from Champaign on Tue, 16 Sep, arriving in Incheon International.Price includes taxes and charges.From SAR 6,664, select.
Springfield.SAR 6,963 per passenger.Departing Fri, 9 May, returning Tue, 13 May.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Incheon International on Fri, 9 May, arriving in Springfield.Inbound indirect flight with Qatar Airways, departs from Springfield on Tue, 13 May, arriving in Incheon International.Price includes taxes and charges.From SAR 6,963, select.

Flying from Seoul to Illinois

Arm yourself with these facts on the fly.
Cheapest flight foundSAR 2,422, Chicago
Cheapest month to flyMay
Average flight time12 hrs, 55 mins
Cheapest airport to fly fromIncheon International
Most popular airlineDelta

Frequently asked questions

We looked at all of the upcoming return flights from Seoul to Illinois we could find over the next 12 months. It looks like SAR 2,422 is the best price. This is good, compared to the average Illinois ticket price of SAR 5,096.
The cheapest month to fly from Seoul to Chicago O'Hare International Airport is usually May. The cheapest month to fly from Seoul to Springfield Airport is usually May. The cheapest month to fly from Seoul to Champaign Airport is usually August. And the cheapest month to fly from Seoul to Central Illinois Regional Airport is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Illinois on Saturday, 24 May 2025.
Incheon International Airport offers direct flights to Illinois.
If you're flying from Seoul, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.
The average flight time between Seoul and Illinois is 12 hours and 55 minutes.