ICN

$399 Find Cheap Flights from Illinois to Seoul Incheon Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Incheon Intl departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Illinois to Incheon Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Incheon Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Incheon Intl

Tue, Apr 28 - Tue, May 5
Air Canada Logo
4:05 pm - 5:30 pm
STL
-
ICN
35h 25m
1 stop
Air Canada Logo
7:05 pm - 12:06 pm
ICN
-
STL
31h 01m
1 stop
$942Air Canada
Tue, Apr 28 - Tue, May 5
Air Canada Logo
4:05 pm - 4:05 pm
STL
-
ICN
34h 00m
2 stops
Air Canada Logo
7:05 pm - 12:06 pm
ICN
-
STL
31h 01m
1 stop
$946Air Canada
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
9:10 pm - 10:46 am
ICN
-
ORD
27h 36m
2 stops
$947Multiple Airlines
Mon, Apr 6 - Mon, Apr 27
Air Canada Logo
4:05 pm - 5:30 pm
STL
-
ICN
35h 25m
1 stop
Air Canada Logo
7:05 pm - 3:25 pm
ICN
-
STL
34h 20m
1 stop
$947Air Canada
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
1:00 pm - 6:39 am
ICN
-
ORD
31h 39m
1 stop
$951Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
EVA Air Logo
12:30 am - 11:00 am
ORD
-
ICN
20h 30m
1 stop
EVA Air Logo
12:00 pm - 8:45 pm
ICN
-
ORD
22h 45m
1 stop
$962EVA Air
Tue, Apr 28 - Wed, May 13
EVA Air Logo
12:30 am - 11:00 am
ORD
-
ICN
20h 30m
1 stop
EVA Air Logo
12:00 pm - 9:00 pm
ICN
-
ORD
23h 00m
1 stop
$963EVA Air
Sat, Apr 4 - Mon, Apr 27
Asiana Airlines Logo
4:05 pm - 4:05 pm
STL
-
ICN
58h 00m
2 stops
Asiana Airlines Logo
7:05 pm - 3:25 pm
ICN
-
STL
34h 20m
1 stop
$982Asiana Airlines
Mon, Aug 24 - Sat, Sep 5
United Airlines Logo
3:44 pm - 4:20 am
MLI
-
ICN
22h 36m
2 stops
United Airlines Logo
5:15 pm - 9:54 am
ICN
-
MLI
30h 39m
2 stops
$1,127United Airlines
Mon, Aug 24 - Sat, Sep 5
United Airlines Logo
3:44 pm - 4:20 am
MLI
-
ICN
22h 36m
2 stops
United Airlines Logo
5:15 pm - 9:54 am
ICN
-
MLI
30h 39m
2 stops
$1,177United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$399
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly and prices are also 16% lower on average.
Flight from Chicago O'Hare Airport to Seoul Incheon Airport

FAQs for booking Illinois to Seoul Incheon Airport flights

  • How does KAYAK find such low prices on flights from Illinois to Seoul Incheon Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Seoul Incheon Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Seoul Incheon Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seoul Incheon Airport from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to Seoul Incheon Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seoul Incheon Airport with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Seoul Incheon Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seoul Incheon Airport from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Incheon Intl?

Book flights to Incheon Intl if you plan to visit one of these locations
Seongnam
Suwon
Anyang

Everything you need to know for your flight to Incheon Intl

Information on your arrival and departure airports

Seoul Incheon Airport (ICN)