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$412+ Cheap flights from Illinois to South Korea

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ICN
nov. 26 — dic. 31
mar. 11/26
mar. 12/3
1 adult, Economy
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Cheap flight deals from Illinois to South Korea

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to South Korea (KR0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 21, 2024.

Find flight deals from Illinois to South Korea

Cheapest flights from Illinois to South Korea
Explore the most affordable flight options available from Illinois to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 21, 2024.

This Delta deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/56:00 amSTL - ICN
1 stop18h 30mDelta
jue. 12/125:50 pmICN - STL
1 stop20h 53mDelta
Deal found 11/21$903
This American Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/238:35 pmORD - ICN
1 stop29h 10mAmerican Airlines
sáb. 12/76:50 pmICN - ORD
1 stop17h 33mAmerican Airlines
Deal found 11/21$953
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/58:56 pmORD - ICN
2 stops32h 34mMultiple Airlines
mié. 12/116:55 pmICN - ORD
1 stop37h 04mMultiple Airlines
Deal found 11/20$955
This Cathay Pacific deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/12:40 pmORD - ICN
1 stop32h 15mCathay Pacific
jue. 12/53:00 pmICN - ORD
1 stop37h 00mCathay Pacific
Deal found 11/20$1,101
This Korean Air deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/96:30 amSTL - ICN
1 stop19h 00mMultiple Airlines
vie. 12/277:30 pmICN - STL
1 stop17h 36mMultiple Airlines
Deal found 11/21$1,103
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/273:40 pmORD - ICN
1 stop34h 05mAir Canada
mar. 12/36:20 pmICN - ORD
1 stop35h 19mAir Canada
Deal found 11/20$1,104
This Kissandfly.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/246:00 amORD - ICN
1 stop19h 45mBritish Airways
sáb. 12/76:50 pmICN - ORD
1 stop29h 40mBritish Airways
Deal found 11/20$1,105
This FlightHub deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/211:55 amORD - ICN
1 stop30h 10mTurkish Airlines
dom. 12/812:10 amICN - ORD
1 stop25h 00mTurkish Airlines
Deal found 11/20$1,108
This oojo deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/2511:30 pmORD - ICN
1 stop20h 00mEVA Air
lun. 12/27:45 pmICN - ORD
1 stop38h 50mEVA Air
Deal found 11/20$1,147
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/28:05 amORD - GMP
2 stops23h 15mMultiple Airlines
dom. 12/87:50 amGMP - ORD
2 stops20h 59mMultiple Airlines
Deal found 11/20$1,169
This Kissandfly.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/2411:30 pmORD - GMP
1 stop27h 30mEVA Air
sáb. 12/71:50 pmGMP - ORD
1 stop20h 45mEVA Air
Deal found 11/20$1,273
This Air Canada deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/93:50 pmSTL - ICN
2 stops33h 55mAir Canada
vie. 12/278:10 pmICN - STL
1 stop33h 56mAir Canada
Deal found 11/21$1,278

Find flights from Illinois to South Korea within your budget

Customize your flight search to find flights from Illinois to South Korea that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated noviembre 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

dom. 2/2

3:50 pm-3:15 pm

2 stops32h 25m

Incheon Intl

sáb. 2/8

4:55 pm-3:06 pm

2 stops37h 11m

$864

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

dom. 4/6

3:15 pm-4:20 am

2 stops23h 05m

Incheon Intl

mié. 4/23

4:50 pm-12:27 am

1 stop21h 37m

$903

St. LouisIncheon

STL - ICN

STLICN

Lambert-St Louis

jue. 12/5

6:00 am-3:30 pm

1 stop18h 30m

Incheon Intl

jue. 12/12

7:30 pm-11:43 pm

2 stops19h 13m

$907

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 12/1

5:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

vie. 12/6

6:50 pm-11:57 pm

1 stop20h 07m

$953

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 1/16

11:55 am-9:05 am

1 stop30h 10m

Incheon Intl

sáb. 1/25

12:10 am-10:10 am

1 stop25h 00m

$954

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 12/5

8:56 pm-8:30 pm

2 stops32h 34m

Incheon Intl

mié. 12/11

6:55 pm-4:59 pm

1 stop37h 04m

$955

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 1/9

8:30 pm-3:15 pm

2 stops27h 45m

Incheon Intl

mar. 1/21

4:55 pm-10:13 pm

2 stops20h 18m

$958

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 3/27

3:40 pm-9:15 pm

1 stop39h 35m

Incheon Intl

sáb. 4/5

1:35 pm-2:25 pm

1 stop38h 50m

$1,028

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 5/4

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

mié. 5/14

12:00 pm-9:00 pm

1 stop23h 00m

$1,054

ChicagoBusan

ORD - PUS

ORDPUS

Chicago O'Hare Intl

jue. 1/23

7:05 am-8:10 am

2 stops34h 05m

Busan Gimhae

jue. 1/30

12:00 pm-2:39 pm

2 stops41h 39m

$1,063

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 58 results
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Best time to book a flight from Illinois to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Illinois to South Korea

Get recent, data-driven insights about flights from Illinois to South Korea including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Illinois to South Korea?

Currently, October is the cheapest month in which you can book a flight from Illinois to South Korea (average of $1,102). Flying from Illinois to South Korea in June is currently the most expensive (average of $1,708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to KR?

Find hourly flight availability from Illinois to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to South Korea as you normally would.

Weekly flight availability from Illinois to South Korea

Explore weekly flight availability from Illinois to South Korea. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated noviembre 21, 2024.

The most flights from USIL to KR0 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated noviembre 21, 2024.
Peruse reviews from past customers who have flown with Air Canada, Delta and American Airlines from Illinois to South Korea to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Korean Air
8.5
Very good
1,024 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

EVA Air
8.4
Very good
1,308 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

ANA
8.4
Very good
833 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Japan Airlines
8.3
Very good
1,457 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Asiana Airlines
8.3
Very good
476 reviews
Korean Air
8.5
Very good
1,024 reviews

Overall

8.5

Entertainment

8.2

Crew

8.7

Boarding

8.5

Comfort

8.3

Food

8.1

Reviews

1 / 10

Ticket counter agent need to be more patient. Food was not good. It was not good like in the past.. Cabin was too hot.

Related info for your journey

Find useful and relevant information for your journey from Illinois to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to South Korea one-way?

    $480 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Turkish Airlines and American Airlines, with prices starting from $511 and $528, respectively.

  • Can I find deals for flights from Illinois to South Korea that include hotel bookings?

    Yes. In addition to deals on Illinois to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to South Korea.

  • Can I find deals for business class flights from Illinois to South Korea?

    Yes. Cheapflights offers flight deals from Illinois to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to South Korea?

    Currently, October is the cheapest month in which you can book a flight from Illinois to South Korea (average of $1,102). Flying from Illinois to South Korea in June is currently the most expensive (average of $1,708). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Illinois to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to South Korea

Discover the top 10 airlines that operate flights from Illinois to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,612,795 searches. Data last updated noviembre 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$845Average$1,365FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$885Average$1,123FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$896Average$1,334FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$906Average$1,320FlexibilityNo cancel feeOn-time69%
Turkish AirlinesCheapest$911Average$1,077FlexibilityNo cancel feeOn-time77%
EVA AirCheapest$1,076Average$1,275FlexibilityNo cancel feeOn-time74%
LOTCheapest$1,216Average$1,489FlexibilityNo cancel feeOn-time81%
FinnairCheapest$1,334Average$1,565FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$1,491Average$1,646FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,544Average$2,071FlexibilityNo cancel feeOn-time81%
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