Cheap Flights from Incheon International Airport to Illinois from $1,226 Return

Flight deals from Incheon International Airport to Illinois

Looking for cheap tickets from Incheon International Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.$1,226 per passenger.Departing Wed, 10 Sep, returning Wed, 17 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Incheon International on Wed, 10 Sep, arriving in Chicago O'Hare International.Inbound indirect flight with Air Canada, departs from Chicago O'Hare International on Wed, 17 Sep, arriving in Incheon International.Price includes taxes and charges.From $1,226, select.

Champaign.$2,470 per passenger.Departing Thu, 11 Sep, returning Sun, 21 Sep.Return flight with Qatar Airways.Outbound indirect flight with Qatar Airways, departs from Incheon International on Thu, 11 Sep, arriving in Champaign.Inbound indirect flight with Qatar Airways, departs from Champaign on Sun, 21 Sep, arriving in Incheon International.Price includes taxes and charges.From $2,470, select.

Bloomington.$2,474 per passenger.Departing Fri, 5 Dec, returning Mon, 8 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Incheon International on Fri, 5 Dec, arriving in Central Illinois Regional.Inbound indirect flight with Delta, departs from Central Illinois Regional on Mon, 8 Dec, arriving in Incheon International.Price includes taxes and charges.From $2,474, select.

Peoria.$2,613 per passenger.Departing Mon, 8 Sep, returning Mon, 29 Sep.Return flight with Japan Airlines.Outbound indirect flight with Japan Airlines, departs from Incheon International on Mon, 8 Sep, arriving in Greater Peoria.Inbound indirect flight with Japan Airlines, departs from Greater Peoria on Mon, 29 Sep, arriving in Incheon International.Price includes taxes and charges.From $2,613, select.

Flying from Incheon International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	$1,226, Chicago
Cheapest month to fly	September
Average flight time	12 hrs, 55 mins
Average flights per week	17
Most popular airline	Delta

How to find cheap flights from Incheon International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Incheon International Airport to Illinois. Other savvy travellers recently found return flights from $1,226 and one-way tickets from $674. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in October

The cheapest time to fly from Incheon International Airport to Illinois is currently October.

Fly on a Wednesday

From our data, we can see that Wednesday seems to be the cheapest time to fly from Incheon International Airport to Illinois.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Incheon International Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Incheon International Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Incheon International Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Incheon International Airport to Illinois?

Yes - direct flights currently operate from Incheon International Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Incheon International Airport to Illinois?

We looked at all of the upcoming return flights from Incheon International Airport to Illinois we could find over the next 12 months. It looks like $1,226 is the best price. This is good, compared to the average Illinois ticket price of $2,070.

What is the cheapest month to fly from Incheon International Airport to Illinois?

The cheapest month to fly from Incheon International Airport to Chicago O'Hare International Airport is currently September.
The cheapest month to fly from Incheon International Airport to Central Illinois Regional Airport is currently December.
The cheapest month to fly from Incheon International Airport to Champaign Airport is currently September.
And the cheapest month to fly from Incheon International Airport to Greater Peoria Airport is usually September.

Which upcoming date is cheapest to fly from Incheon International Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Incheon International Airport to Illinois on Wednesday, 10 September 2025.

If I'm flying from Incheon International Airport, where in Illinois is cheapest to fly into?

If you're flying from Incheon International, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.