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$1,984+ Cheap flights from Champaign (CMI) to Seoul (SEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEL
okt. 14 — okt. 211
di 10/14
di 10/21
1 adult, Economy
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Cheap flight deals from Champaign to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Seoul (SEL). 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 september 14, 2025.

Round-trip from

$1,984
(American Airlines)
From Champaign University-Willard to Seoul (SEL)
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Find flight deals from Champaign to Seoul

Cheapest flights from Champaign to Seoul
Explore the most affordable flight options available from Champaign to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on september 14, 2025.

This American Airlines deal was found by Cheapflights users on 9/13. 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.
za 10/113:49 pmCMI - ICN
1 stop33h 41mAmerican Airlines
za 10/185:45 pmICN - CMI
1 stop17h 17mAmerican Airlines
Deal found 9/13$1,984
This Justfly.com deal was found by Cheapflights users on 9/13. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 10/114:26 pmCMI - ICN
2 stops34h 39mQatar Airways
vr 10/171:20 amICN - CMI
2 stops51h 57mQatar Airways
Deal found 9/13$4,906
This Qatar Airways deal was found by Cheapflights users on 9/13. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 10/117:00 amCMI - ICN
2 stops44h 05mMultiple Airlines
za 10/1811:00 amICN - CMI
3 stops42h 17mMultiple Airlines
Deal found 9/13$5,445

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Seoul 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 2,558,603 searches. Data last updated september 14, 2025.
Use the filters below to find and compare flights from Champaign to Seoul that are best for you.

Fly from

Champaign

Fly to

Seoul

Route

Depart

Return

Price

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

za 10/11

3:49 pm-3:30 pm

1 stop33h 41m

Incheon Intl

za 10/18

5:45 pm-9:02 pm

1 stop17h 17m

$1,984

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

wo 2/11

6:49 am-4:45 pm

1 stop18h 56m

Incheon Intl

zo 2/15

6:50 pm-8:31 pm

1 stop16h 41m

$2,176

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

wo 2/11

6:49 am-10:30 am

2 stops36h 41m

Incheon Intl

za 2/14

12:20 am-9:25 pm

2 stops36h 05m

$2,867

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

za 10/11

4:26 pm-5:05 pm

2 stops34h 39m

Incheon Intl

vr 10/17

1:20 am-3:17 pm

2 stops51h 57m

$4,906

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

za 10/11

7:00 am-5:05 pm

2 stops44h 05m

Incheon Intl

za 10/18

11:00 am-3:17 pm

3 stops42h 17m

$5,445

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Champaign to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Champaign 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.

Cheapflights Insights

Everything you need to know about your flight from Champaign to Seoul
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated september 14, 2025.
Peruse reviews from past customers who have flown with American Airlines from Champaign to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Boarding

7.5

Comfort

7.2

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Crew

8.0

Boarding

7.5

Comfort

7.2

Overall

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

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

  • What airport do you fly from for flights from Champaign to Seoul?

    Located just 11.3 mi from the city center, Champaign University-Willard is the airport most travelers will use when flying to Seoul from Champaign. Booking flights from University-Willard (CMI) to Seoul should be relatively easy as there are 0 daily outbound flights to Seoul from 1 airline.

  • How long is the flight from Champaign to Seoul?

    There are many flights that can get you from Champaign to Seoul in 33h 41m. Fly via American Airlines to get the fastest option. The distance from Champaign to Seoul is about 6644 mi.

  • Can I find deals for flights from Champaign to Seoul that include hotel bookings?

    Yes. In addition to deals on Champaign to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Seoul?

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

  • Can I find deals for business class flights from Champaign to Seoul?

    Yes. Cheapflights offers flight deals from Champaign to Seoul 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 Champaign to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Champaign to Seoul (average of $990). Flying from Champaign to Seoul in December is currently the most expensive (average of $1,633). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Champaign to Seoul

Discover the top airline that operate flights from Champaign to Seoul. 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 2,558,603 searches. Data last updated september 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$895Average$1,087FlexibilityNo cancel feeOn-time71%

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