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Cheap flights from Illinois to South Korea from $470

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to South Korea departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to South Korea

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to South Korea that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Illinois to South Korea.

Cheap last minute flights

Planning a quick getaway from Illinois to South Korea? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to South Korea, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Illinois to South Korea

Find recent round-trip train or bus tickets from Illinois to South Korea.

All round-trip flight deals to South Korea

The cheapest plane tickets to South Korea found on KAYAK recently.
3:50 pm - 6:25 pmSTL-ICN
35h 35m1 stop
7:10 pm - 3:06 pmICN-STL
33h 56m1 stop
$799Air Canada
Find Deal
Thu, Mar 6 - Thu, Mar 13
3:50 pm - 6:25 pmSTL-ICN
35h 35m1 stop
8:10 pm - 3:06 pmICN-STL
33h 56m1 stop
$837Air Canada
Find Deal
Sun, Feb 9 - Sat, Feb 15
11:55 am - 9:05 amORD-ICN
30h 10m1 stop
12:10 am - 10:10 amICN-ORD
25h 00m1 stop
$847Turkish Airlines
Find Deal
Mon, Feb 3 - Sun, Feb 16
11:55 am - 9:05 amORD-ICN
30h 10m1 stop
12:10 am - 11:10 amICN-ORD
25h 00m1 stop
$857Turkish Airlines
Find Deal
Wed, Mar 5 - Tue, Mar 11
6:00 am - 3:50 pmSTL-ICN
18h 50m1 stop
9:35 am - 4:37 pmICN-STL
22h 02m1 stop
$877Delta
Find Deal
Wed, Feb 5 - Wed, Feb 12
10:49 am - 4:45 pmSTL-ICN
38h 56m1 stop
5:50 pm - 10:44 pmICN-STL
18h 54m1 stop
$883American Airlines
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Sat, Mar 1 - Tue, Mar 18
2:40 pm - 6:35 pmORD-ICN
36h 55m1 stop
1:35 pm - 2:25 pmICN-ORD
38h 50m1 stop
$897Cathay Pacific
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Mon, Feb 17 - Tue, Jun 24
2:40 pm - 6:40 amORD-CJU
25h 00m1 stop
7:55 am - 1:00 pmCJU-ORD
20h 05m1 stop
$909Cathay Pacific
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Tue, Feb 18 - Tue, Feb 25
8:50 pm - 4:45 pmORD-ICN
28h 55m2 stops
6:50 pm - 11:53 pmICN-ORD
20h 03m2 stops
$913American Airlines
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Mon, Feb 10 - Thu, Feb 20
5:00 pm - 4:15 pmSTL-ICN
32h 15m2 stops
8:05 pm - 11:09 pmICN-STL
18h 04m2 stops
$932Delta
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Sun, Feb 2 - Sat, Feb 8
7:04 am - 4:45 pmSTL-ICN
18h 41m1 stop
$470American Airlines
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Tue, Feb 25
6:50 am - 9:05 pmORD-ICN
47h 15m3 stops
Mon, Mar 3
3:53 pm - 3:30 pmSTL-ICN
33h 37m1 stop
$482American Airlines
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Tue, Apr 1
6:00 am - 3:30 pmSTL-ICN
18h 30m1 stop
$520Delta
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Fri, Feb 21
6:30 am - 4:20 amMLI-ICN
31h 50m2 stops
$520United Airlines
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Sat, Apr 5
5:30 pm - 6:45 pmORD-ICN
35h 15m1 stop
$528WestJet
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Sat, May 17
8:30 pm - 9:05 amORD-ICN
21h 35m1 stop
$545Turkish Airlines
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Wed, Feb 12
11:55 am - 6:20 pmORD-ICN
39h 25m1 stop
$548Turkish Airlines
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Fri, Jan 17
5:30 pm - 6:45 pmORD-ICN
35h 15m1 stop
$563WestJet
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Sun, Apr 27
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
$945Delta
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Mon, Feb 17
2:40 pm - 6:35 pmORD-ICN
36h 55m1 stop
3:00 pm - 1:00 pmICN-ORD
37h 00m1 stop
$990Cathay Pacific
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Mon, Jan 13 - Sun, Jan 26
11:30 am - 5:40 amSTL-ICN
27h 10m2 stops
6:00 pm - 2:37 pmICN-STL
35h 37m2 stops
$996United Airlines
Find Deal
Fri, Jan 10 - Fri, Jan 17
11:55 am - 6:20 pmORD-ICN
39h 25m1 stop
10:45 am - 10:10 amICN-ORD
38h 25m1 stop
$1,003Turkish Airlines
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Tue, Jan 14 - Fri, Feb 28
11:55 am - 6:20 pmORD-ICN
39h 25m1 stop
12:10 am - 6:35 pmICN-ORD
33h 25m1 stop
$1,050Turkish Airlines
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Tue, Jan 14 - Thu, Feb 27
7:00 am - 5:40 amSTL-ICN
31h 40m1 stop
6:00 pm - 10:20 pmICN-STL
19h 20m2 stops
$1,056United Airlines
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Fri, Jan 10 - Fri, Jan 17
8:50 pm - 4:45 pmORD-ICN
28h 55m2 stops
6:50 pm - 12:09 amICN-ORD
20h 19m2 stops
$1,113American Airlines
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Mon, Jan 13 - Sun, Jan 26
5:50 am - 5:40 amORD-ICN
32h 50m1 stop
4:20 pm - 11:13 pmICN-ORD
45h 53m2 stops
$1,337
Find Deal
Mon, Jan 13 - Wed, Jan 15
8:30 pm - 6:25 pmORD-ICN
30h 55m1 stop
4:55 pm - 2:39 pmICN-ORD
36h 44m1 stop
$1,365Air Canada
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Sun, Jan 12 - Wed, Jan 22
6:28 pm - 3:15 pmORD-ICN
29h 47m2 stops
4:55 pm - 2:39 pmICN-ORD
36h 44m1 stop
$1,381Air Canada
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Mon, Jan 13 - Fri, Jan 17
11:55 am - 9:05 amORD-ICN
30h 10m1 stop
5:50 pm - 5:55 amICN-ORD
51h 05m2 stops
$1,389
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Wed, Jan 15 - Sat, Jan 18
12:20 pm - 4:50 pmORD-ICN
14h 30mnonstop
10:40 am - 9:50 amICN-ORD
13h 10mnonstop
$1,459Korean Air
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Sun, Apr 6 - Sun, Apr 20
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 9:40 amICN-ORD
13h 00mnonstop
$1,503Korean Air
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Sun, Mar 2 - Tue, Mar 11
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 8:40 amICN-ORD
13h 00mnonstop
$1,505Korean Air
Find Deal
Sat, Feb 15 - Sun, Mar 2
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 8:40 amICN-ORD
13h 00mnonstop
$1,512Korean Air
Find Deal
Sun, Feb 23 - Sun, Mar 2
12:25 pm - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 9:50 amICN-ORD
13h 10mnonstop
$1,523Korean Air
Find Deal
Wed, Mar 12 - Sun, May 18
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 8:40 amICN-ORD
13h 00mnonstop
$1,524Korean Air
Find Deal
Mon, Feb 10 - Thu, Feb 20
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 9:50 amICN-ORD
13h 10mnonstop
$1,527Korean Air
Find Deal
Wed, Feb 26 - Thu, Apr 24
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 9:50 amICN-ORD
13h 10mnonstop
$1,531Korean Air
Find Deal
Tue, Feb 25 - Tue, Apr 8
12:20 pm - 4:50 pmORD-ICN
14h 30mnonstop
10:40 am - 9:50 amICN-ORD
13h 10mnonstop
$1,611Delta
Find Deal
Sun, Apr 6 - Sun, Apr 20
11:25 am - 5:15 pmORD-ICN
14h 50mnonstop
10:40 am - 9:40 amICN-ORD
13h 00mnonstop
$1,661Delta
Find Deal
Sat, Mar 1 - Thu, Mar 27

Air Canada flights from Illinois to South Korea

Our best Air Canada deals on Illinois to South Korea flight tickets
Air Canada
Mar 6
STL3:50 pmLambert-St Louis
35h 35m
1 stop
ICN6:25 pmIncheon Intl
Mar 13
ICN7:10 pmIncheon Intl
33h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Feb 9
STL3:50 pmLambert-St Louis
35h 35m
1 stop
ICN6:25 pmIncheon Intl
Feb 15
ICN8:10 pmIncheon Intl
33h 56m
1 stop
STL3:06 pmLambert-St Louis
Air Canada
Apr 25
STL3:50 pmLambert-St Louis
35h 40m
1 stop
ICN5:30 pmIncheon Intl
May 12
ICN7:05 pmIncheon Intl
38h 38m
1 stop
STL7:43 pmLambert-St Louis

Turkish Airlines flights from Illinois to South Korea

Our best Turkish Airlines deals on Illinois to South Korea flight tickets
Turkish Airlines
Feb 3
ORD11:55 amChicago O'Hare Intl
30h 10m
1 stop
ICN9:05 amIncheon Intl
Feb 16
ICN12:10 amIncheon Intl
25h 00m
1 stop
ORD10:10 amChicago O'Hare Intl
Turkish Airlines
Mar 5
ORD11:55 amChicago O'Hare Intl
30h 10m
1 stop
ICN9:05 amIncheon Intl
Mar 11
ICN12:10 amIncheon Intl
25h 00m
1 stop
ORD11:10 amChicago O'Hare Intl
Turkish Airlines
Feb 10
ORD8:30 pmChicago O'Hare Intl
21h 35m
1 stop
ICN9:05 amIncheon Intl
Feb 19
ICN12:10 amIncheon Intl
25h 00m
1 stop
ORD10:10 amChicago O'Hare Intl

See travel insights to South Korea from

How to get the cheapest flight ticket from Illinois to South Korea

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,163.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from Illinois is on a Monday. momondo users have found tickets for Monday departures for as low as $1,456. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to South Korea for around $1,703.

What is the cheapest time of day to depart on your flight to South Korea?

Flying to South Korea from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,253 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,832 on average. Flights to South Korea from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Illinois to South Korea flight route?

Fly from Chicago O'Hare Intl to Incheon Intl for the best Illinois - South Korea flight prices

How far in advance should I book a flight to South Korea?

In general, most travelers find the cheapest time to book a flight to South Korea is about 24 days prior to their departure date when tickets on average are $1,613. Keep in mind that you might also find cheap flights to South Korea outside of this time window. In fact, momondo users recently found flights from Illinois to South Korea for $941.

What cabin class options are available on Illinois to South Korea flights?

There are 3 cabin classes available to choose from on Illinois to South Korea flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to South Korea flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to South Korea

Best Price Found

$470

Fastest flight time

14h 20m

Direct flights

Every day

Airports in South Korea

4 airports
The best one-way flight to South Korea from Illinois in the past 72 hours is $470. The best round-trip flight deal from Illinois to South Korea found on momondo in the last 72 hours is $799.
The fastest flight from Illinois to South Korea takes 14h 20m
Direct flights go from Illinois to South Korea every day.
There are 4 airports near South Korea: Incheon Intl (ICN), Seoul Gimpo Intl (GMP), Jeju City (CJU), Busan Gimhae (PUS)

  • When did momondo last update prices for flights from Illinois to South Korea?

    Prices for flights from Illinois to South Korea were last updated today.

  • How many operators does momondo search for flights from Illinois to South Korea?

  • How old do you have to be to fly from Illinois to South Korea?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois to South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The travel and health documents you'll need for your trip to South Korea may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at South Korea. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Illinois to South Korea?


Best airlines flying from Illinois to South Korea

Compare and see reviews for airlines that fly from Illinois to South Korea with momondo
Airline
Rating
Free Cancellation
Price
Turkish AirlinesPriceFrom $849Free CancellationRating
7.3
3,900 reviews
Search Turkish Airlines flights
Cathay PacificPriceFrom $873Free CancellationRating
7.5
818 reviews
Search Cathay Pacific flights
Air CanadaPriceFrom $891Free CancellationRating
7.0
8,516 reviews
Search Air Canada flights
American AirlinesPriceFrom $895Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $906Free CancellationRating
7.4
8,942 reviews
Search United Airlines flights
EVA AirPriceFrom $1,076Free CancellationRating
8.4
1,242 reviews
Search EVA Air flights
FinnairPriceFrom $1,233Free CancellationRating
7.6
1,282 reviews
Search Finnair flights
Asiana AirlinesPriceFrom $1,280Free CancellationRating
8.2
460 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $1,537Free CancellationRating
8.4
1,030 reviews
Search Korean Air flights
DeltaPriceFrom $1,591Free CancellationRating
8.0
8,501 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to South Korea?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to South Korea. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Illinois to South Korea with flexible booking policies on momondo?

momondo does allow users to show only those flights to South Korea from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to South Korea?

momondo helps you find the best flight between Illinois and South Korea by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to South Korea right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to South Korea now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to South Korea and let you know when they change.


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Popular flights according to clicks in the last 7 days on momondo