Cheap flights from Illinois to South Korea from $525

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 8/24. 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.
ORD — ICN
May 15 — May 221

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

To save on the cost of your flight from Illinois to South Korea, book at least 15 days before your planned departure. Booking around this time can save you about 50% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,094 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,441.

What is the cheapest month to fly from Illinois to South Korea?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to South Korea. Flights to South Korea from Illinois in April are about $1,583 on average during April, but can be found for as low as $956.

When is the cheapest time to fly from Illinois to South Korea (IL - KR)?

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.

Cheap Turkish Airlines flights from Illinois to South Korea

Explore cheap flight options specifically provided by Turkish Airlines for the route between Illinois and South Korea. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Consider these cheap Turkish Airlines flights we've found departing from Illinois to South Korea. It's recommended that users confirm their flight details before booking.
Mon 10/711:25 amORD - ICN
1 stop31h 20mTurkish Airlines
Wed 12/1810:45 amICN - ORD
1 stop46h 40mTurkish Airlines
Deal found 5/9$1,005
Mon 10/148:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Mon 11/410:45 amICN - ORD
1 stop47h 40mTurkish Airlines
Deal found 5/9$1,009
Wed 10/28:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Thu 10/1711:20 pmICN - ORD
1 stop24h 20mTurkish Airlines
Deal found 5/9$1,017
Wed 10/168:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Mon 11/1810:45 amICN - ORD
1 stop46h 40mTurkish Airlines
Deal found 5/9$1,018
Mon 9/211:25 amORD - ICN
1 stop31h 20mTurkish Airlines
Wed 11/2712:10 amICN - ORD
1 stop33h 15mTurkish Airlines
Deal found 5/9$1,022
Wed 10/168:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Tue 10/2912:10 amICN - ORD
1 stop25h 00mTurkish Airlines
Deal found 5/8$1,031
Tue 10/158:30 pmORD - ICN
1 stop31h 10mTurkish Airlines
Fri 11/810:45 amICN - ORD
1 stop47h 40mTurkish Airlines
Deal found 5/9$1,048
Wed 10/168:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Sun 10/2712:10 amICN - ORD
1 stop33h 15mTurkish Airlines
Deal found 5/8$1,060
Mon 10/148:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Mon 10/2812:10 amICN - ORD
1 stop25h 00mTurkish Airlines
Deal found 5/8$1,078

Cheap Cathay Pacific flights from Illinois to South Korea

Explore cheap flight options specifically provided by Cathay Pacific for the route between Illinois and South Korea. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Some of the lowest-priced Cathay Pacific flights we've found at this time heading from Illinois to South Korea. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Thu 8/224:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Fri 9/68:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,038
Thu 8/224:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Wed 9/48:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,043
Sat 8/244:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Fri 9/68:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,053
Sat 8/244:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Thu 9/58:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,065
Fri 8/234:05 pmORD - ICN
1 stop39h 10mCathay Pacific
Fri 9/68:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,088
Thu 8/224:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Sat 9/78:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,093
Thu 8/224:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Mon 9/23:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 5/9$1,118
Thu 10/174:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Wed 10/307:35 pmICN - ORD
1 stop32h 25mCathay Pacific
Deal found 5/8$1,131
Fri 8/234:05 pmORD - ICN
1 stop39h 10mCathay Pacific
Sat 9/78:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/9$1,143

Cheap Illinois to South Korea flights in May & June 2024

Find cheap flight options from Illinois to South Korea specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Prices were last updated on May 10, 2024.
Scroll through some of the best deals on flights from Illinois to South Korea in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 5/205:45 pmMDW - ICN
2 stops44h 55mMultiple Airlines
Mon 5/275:30 pmICN - MDW
1 stop59h 53mMultiple Airlines
Deal found 5/9$1,319
Tue 5/144:05 pmORD - ICN
1 stop32h 05mCathay Pacific
Wed 5/228:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/8$1,336
Mon 5/1310:57 pmORD - ICN
2 stops30h 03mMultiple Airlines
Sat 5/2512:50 pmICN - ORD
1 stop29h 45mMultiple Airlines
Deal found 5/8$1,346
Mon 5/1310:57 pmORD - ICN
2 stops30h 03mMultiple Airlines
Wed 5/2212:50 pmICN - ORD
1 stop37h 22mMultiple Airlines
Deal found 5/8$1,350
Tue 6/188:30 pmORD - ICN
1 stop31h 10mTurkish Airlines
Mon 7/2210:30 amICN - ORD
1 stop37h 10mTurkish Airlines
Deal found 5/9$1,351
Wed 6/268:30 pmORD - ICN
1 stop31h 10mTurkish Airlines
Thu 7/411:20 pmICN - ORD
1 stop24h 20mTurkish Airlines
Deal found 5/9$1,353
Wed 6/268:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Wed 7/1010:30 amICN - ORD
1 stop37h 10mTurkish Airlines
Deal found 5/9$1,370
Thu 6/2711:25 amORD - ICN
1 stop40h 15mTurkish Airlines
Tue 7/911:20 pmICN - ORD
1 stop24h 20mTurkish Airlines
Deal found 5/9$1,383
Tue 6/2511:25 amORD - ICN
1 stop40h 15mTurkish Airlines
Tue 7/911:20 pmICN - ORD
1 stop32h 25mTurkish Airlines
Deal found 5/9$1,385

Illinois to South Korea 2024 flight deals

Discover exclusive flight deals for travel between Illinois and South Korea in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Scroll through some of the best deals on flights from Illinois to South Korea in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 10/158:30 pmORD - ICN
1 stop31h 10mTurkish Airlines
Fri 11/810:45 amICN - ORD
1 stop39h 25mTurkish Airlines
Deal found 5/8$986
Tue 11/122:40 pmORD - ICN
1 stop36h 55mCathay Pacific
Mon 11/2510:10 amICN - ORD
1 stop41h 50mCathay Pacific
Deal found 5/7$988
Sun 10/134:05 pmORD - ICN
1 stop32h 05mCathay Pacific
Sat 10/268:15 pmICN - ORD
1 stop31h 45mCathay Pacific
Deal found 5/8$996
Mon 10/711:25 amORD - ICN
1 stop31h 20mTurkish Airlines
Wed 12/1810:45 amICN - ORD
1 stop46h 40mTurkish Airlines
Deal found 5/9$1,005
Wed 10/28:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Thu 10/1711:20 pmICN - ORD
1 stop24h 20mTurkish Airlines
Deal found 5/9$1,017
Wed 11/278:20 pmORD - ICN
1 stop31h 00mTurkish Airlines
Mon 12/212:10 amICN - ORD
1 stop25h 00mTurkish Airlines
Deal found 5/8$1,018
Mon 11/119:20 pmORD - ICN
1 stop30h 00mTurkish Airlines
Mon 11/2510:45 amICN - ORD
1 stop38h 25mTurkish Airlines
Deal found 5/7$1,019
Wed 11/208:20 pmORD - ICN
1 stop21h 45mTurkish Airlines
Mon 11/2512:10 amICN - ORD
1 stop25h 00mTurkish Airlines
Deal found 5/9$1,021
Mon 9/211:25 amORD - ICN
1 stop31h 20mTurkish Airlines
Wed 11/2712:10 amICN - ORD
1 stop33h 15mTurkish Airlines
Deal found 5/9$1,022

Non-stop flights to South Korea from Illinois

Discover non-stop flight options from Illinois to South Korea. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
For a quicker trip, book one of these direct flights from Illinois to South Korea. If you're looking for other options for flights from Illinois to South Korea, make sure to update the search form at the top of page.
Tue 7/2312:30 pmORD - ICN
Nonstop14h 20mKorean Air
Thu 9/510:40 amICN - ORD
Nonstop12h 50mKorean Air
Deal found 5/8$1,908
Mon 8/512:30 pmORD - ICN
Nonstop14h 20mKorean Air
Wed 10/3010:40 amICN - ORD
Nonstop12h 50mKorean Air
Deal found 5/9$1,913
Sun 7/1412:30 pmORD - ICN
Nonstop14h 20mKorean Air
Mon 9/2310:40 amICN - ORD
Nonstop12h 50mKorean Air
Deal found 5/9$2,001
Tue 8/612:30 pmORD - ICN
Nonstop14h 20mKorean Air
Wed 8/2810:40 amICN - ORD
Nonstop13h 10mKorean Air
Deal found 5/9$2,024
Mon 8/512:30 pmORD - ICN
Nonstop14h 20mKorean Air
Mon 1/1310:40 amICN - ORD
Nonstop12h 50mKorean Air
Deal found 5/8$2,025
Tue 8/612:30 pmORD - ICN
Nonstop14h 20mDelta
Tue 3/410:40 amICN - ORD
Nonstop12h 50mDelta
Deal found 5/8$2,083
Fri 7/1212:30 pmORD - ICN
Nonstop14h 20mKorean Air
Mon 7/1510:40 amICN - ORD
Nonstop13h 10mKorean Air
Deal found 5/8$2,279
Tue 7/912:30 pmORD - ICN
Nonstop14h 20mKorean Air
Thu 7/1810:40 amICN - ORD
Nonstop13h 10mKorean Air
Deal found 5/8$2,362
Tue 7/1612:30 pmORD - ICN
Nonstop14h 20mKorean Air
Wed 7/2410:40 amICN - ORD
Nonstop13h 10mKorean Air
Deal found 5/9$2,372

Illinois to South Korea flights leaving soon

Find last-minute flight options from Illinois to South Korea for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Users seeking a last-minute flight from Illinois to South Korea should consider booking one of these fares. It's wise to confirm all flight details are correct before booking.
Mon 5/205:45 pmMDW - ICN
2 stops44h 55mMultiple Airlines
Mon 5/275:30 pmICN - MDW
1 stop59h 53mMultiple Airlines
Deal found 5/9$1,319
Tue 5/144:05 pmORD - ICN
1 stop32h 05mCathay Pacific
Wed 5/228:15 pmICN - ORD
1 stop32h 10mCathay Pacific
Deal found 5/8$1,336
Tue 5/144:05 pmORD - ICN
1 stop30h 30mCathay Pacific
Thu 5/233:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 5/8$1,386
Wed 5/158:19 pmORD - ICN
2 stops27h 51mMultiple Airlines
Wed 5/228:15 pmICN - ORD
1 stop32h 10mMultiple Airlines
Deal found 5/8$1,433
Wed 5/156:00 amORD - ICN
3 stops25h 50mMultiple Airlines
Wed 5/228:50 amICN - ORD
3 stops35h 50mMultiple Airlines
Deal found 5/8$1,452
Sat 5/1810:57 pmORD - ICN
1 stop26h 48mMultiple Airlines
Tue 5/217:35 amICN - ORD
2 stops36h 25mMultiple Airlines
Deal found 5/8$1,456
Sat 5/1810:57 pmORD - ICN
1 stop26h 48mMultiple Airlines
Wed 5/227:35 amICN - ORD
2 stops42h 37mMultiple Airlines
Deal found 5/8$1,461
Sat 5/1810:57 pmORD - ICN
1 stop26h 48mMultiple Airlines
Fri 5/245:30 pmICN - ORD
2 stops51h 10mMultiple Airlines
Deal found 5/8$1,475
Wed 5/158:00 pmORD - ICN
2 stops33h 00mMultiple Airlines
Sat 5/2512:50 pmICN - ORD
1 stop29h 45mMultiple Airlines
Deal found 5/8$1,483

One-way flights to South Korea from Illinois

Search for one-way flight options from Illinois to South Korea. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,717,708 searches. Data last updated May 10, 2024.
Some of the best available deals we've found on one-way flights from Illinois to South Korea. Those needing a return flight from Illinois to South Korea can use the search form above.
Sat 8/2410:57 pmORD - ICN
2 stops30h 03mMultiple Airlines
Deal found 5/8$525
Fri 11/110:57 pmORD - ICN
2 stops30h 28mMultiple Airlines
Deal found 5/9$583
Mon 8/1911:25 amORD - ICN
1 stop31h 20mTurkish Airlines
Deal found 5/9$585
Fri 10/2510:57 pmORD - ICN
2 stops30h 28mMultiple Airlines
Deal found 5/9$587
Mon 8/58:30 pmORD - ICN
1 stop22h 15mTurkish Airlines
Deal found 5/9$588
Wed 9/184:09 pmMDW - ICN
2 stops39h 01mMultiple Airlines
Deal found 5/8$602
Fri 8/308:05 pmORD - ICN
3 stops57h 35mMultiple Airlines
Deal found 5/9$612
Sat 8/248:30 pmORD - ICN
1 stop31h 10mTurkish Airlines
Deal found 5/8$622
Sun 10/2712:30 amORD - ICN
1 stop28h 15mEVA Air
Deal found 5/9$627

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 2,717,708 searches. Data last updated May 10, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,005 - $1,428

Route

Depart

Return

Price

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 10/7

1 stop31h 20m

Incheon Intl

Wed 12/18

1 stop46h 40m

$1,005

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 8/22

1 stop30h 30m

Incheon Intl

Fri 9/6

1 stop32h 10m

$1,038

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 9/8

1 stop28h 15m

Incheon Intl

Wed 10/30

1 stop23h 05m

$1,054

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 8/21

2 stops28h 06m

Incheon Intl

Mon 9/9

1 stop42h 15m

$1,242

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 9/2

1 stop42h 40m

Incheon Intl

Thu 11/28

1 stop46h 25m

$1,271

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 10/1

2 stops32h 00m

Incheon Intl

Tue 10/8

2 stops45h 29m

$1,288

Chicago O'Hare IntlIncheon Intl

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 10/19

2 stops32h 20m

Incheon Intl

Sun 11/3

3 stops30h 22m

$1,301

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 10/13

1 stop38h 25m

Incheon Intl

Tue 10/22

2 stops35h 20m

$1,369

Lambert-St LouisIncheon Intl

STL - ICN

STLICN

Lambert-St Louis

Sun 10/13

1 stop29h 10m

Incheon Intl

Tue 10/22

1 stop18h 55m

$1,428

Flights are sorted by cheapest first

Deals found on 5/9

No data available for this route at this time. Please check back soon.

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 May 10, 2024.
Peruse reviews from past customers who have flown with Turkish Airlines, Cathay Pacific and EVA Air 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.
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

8.5
Very good
1,181 reviews
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

8.5
Very good
926 reviews
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

8.4
Very good
1,524 reviews
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

8.3
Very good
1,476 reviews
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

8.3
Very good
1,454 reviews
8.5
Very good
1,181 reviews

Crew

8.8

Overall

8.5

Boarding

8.6

Comfort

8.3

Entertainment

8.2

Food

8.2

Reviews

1 / 10

flight with Delta Airbus is safe, on time and friendly. If the food can have more choices like instant noodles, sandwich other than pizza would be better. Pizza is too salty.

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.
  • Can I find flights from Illinois to South Korea for under $1,100 on Cheapflights?

    Yes, there are multiple flights from Illinois to South Korea for under $1,100. The cheapest flight booked recently is on Turkish Airlines for just $1,005, but on average you can expect to pay $1,053.

  • Are there nonstop flights from Illinois to South Korea for under $2,000 on Cheapflights?

    Cheapflights has at least 20 direct flights from Illinois to South Korea under $2,000. A good price for a nonstop flight from Illinois to South Korea is less than $2,355.

  • Are there last-minute flights available from Illinois to South Korea for under $1,400?

    There are currently 20+ open flights from Illinois to South Korea within the next 7 days for less than $1,400.

  • What does ORD to ICN mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Chicago O'Hare Intl Airport to Incheon Intl Airport flight would often be abbreviated as a ORD to ICN flight. Ready for more IATA code knowledge? These are related airports for your current travel destination: Busan Gimhae Airport (PUS), Seoul Gimpo Intl Airport (GMP), Daegu Airport (TAE), Cheongju Airport (CJJ), Jeju City Airport (CJU).

  • Can I find deals for flights from Illinois to South Korea that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to South Korea flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to South Korea with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to South Korea flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Illinois to South Korea that allow pets onboard?

    Many airlines flying from Illinois to South Korea offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to South Korea?

    Yes, you can often find last-minute deals on Illinois to South Korea flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to South Korea flight deals updated?

    The Illinois to South Korea flight deals you see on this page were last updated on 5/9.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to South Korea
See prices for flight routes from nearby airports that may be better suited for you.

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 2,717,708 searches. Data last updated May 10, 2024.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$930Average$1,105FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Cathay PacificCheapest$931Average$1,127FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
EVA AirCheapest$1,075Average$1,214FlexibilityNo cancel feeOn-time74%
Search EVA Air flights
Air CanadaCheapest$1,119Average$1,446FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,180Average$1,826FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LOTCheapest$1,196Average$1,481FlexibilityNo cancel feeOn-time81%
Search LOT flights
LufthansaCheapest$1,231Average$1,632FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest$1,277Average$1,481FlexibilityNo cancel feeOn-time76%
Search Finnair flights
American AirlinesCheapest$1,330Average$1,754FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$1,434Average$2,002FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Illinois to South Korea by cabin class

Find flights from Illinois to South Korea, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Illinois to South Korea

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 May 10, 2024.
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to South Korea?

Deals for Illinois to South Korea flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Illinois to South Korea?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to South Korea for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Illinois to South Korea with no change fees?

Yes! Cheapflights helps users easily find flights from Illinois to South Korea with no change fees.

Can Cheapflights notify me if prices for flights from Illinois to South Korea become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.