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$1,579+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEL
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap 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 December 15, 2025.

This American Airlines deal was found by Cheapflights users on 12/13. 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.
Sun 12/217:10 pmCMI - ICN
2 stops30h 35mAmerican Airlines
Mon 1/197:15 pmICN - CMI
1 stop17h 02mAmerican Airlines
Deal found 12/13$2,355
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 12/237:10 pmCMI - ICN
2 stops30h 35mAmerican Airlines
Mon 1/197:15 pmICN - CMI
1 stop34h 46mAmerican Airlines
Deal found 12/13$2,360
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Wed 12/242:57 pmCMI - ICN
1 stop34h 48mAmerican Airlines
Mon 1/197:15 pmICN - CMI
2 stops30h 35mAmerican Airlines
Deal found 12/13$2,362
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Mon 12/227:10 pmCMI - ICN
2 stops54h 35mAmerican Airlines
Mon 1/197:15 pmICN - CMI
2 stops30h 35mAmerican Airlines
Deal found 12/13$2,369
This American Airlines deal was found by Cheapflights users on 12/13. 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.
Sat 12/207:45 pmCMI - ICN
2 stops54h 00mAmerican Airlines
Mon 1/197:15 pmICN - CMI
2 stops30h 35mAmerican Airlines
Deal found 12/13$2,848
This FlightHub deal was found by Cheapflights users on 12/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:57 pmCMI - ICN
2 stops35h 18mQatar Airways
Mon 1/1912:20 amICN - CMI
2 stops35h 46mQatar Airways
Deal found 12/13$3,216
This Qatar Airways deal was found by Cheapflights users on 12/14. 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.
Sun 12/216:52 amCMI - ICN
2 stops43h 23mQatar Airways
Mon 1/193:00 pmICN - CMI
3 stops42h 23mQatar Airways
Deal found 12/14$3,435

Find 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 December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,579
(oojo)
Provider with most accurate pricing for Champaign University-Willard-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Champaign University-Willard-Seoul (SEL) flights.
Search Deals
From Champaign University-Willard to Seoul (SEL)
Search Deals

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 December 15, 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

Mon 3/2

2:55 pm-5:15 pm

2 stops35h 20m

Incheon Intl

Tue 3/10

12:20 am-8:58 pm

2 stops34h 38m

$1,585

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Mon 3/2

6:36 am-4:45 pm

1 stop19h 09m

Incheon Intl

Wed 3/11

5:55 pm-8:58 pm

1 stop17h 03m

$1,678

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Thu 1/29

6:00 am-5:15 pm

1 stop20h 15m

Incheon Intl

Thu 2/5

10:40 am-6:23 pm

1 stop22h 43m

$1,679

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Fri 4/10

6:58 am-3:30 pm

1 stop18h 32m

Incheon Intl

Sun 4/19

5:25 pm-10:40 pm

1 stop19h 15m

$1,728

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Compare providers for flights from Champaign to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Champaign to Seoul in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Champaign-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Champaign-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Champaign-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Champaign-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 15, 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
11,052 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Overall

7.2

Food

6.5

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,052 reviews
American Airlines
7.2
Good
11,052 reviews

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Overall

7.2

Food

6.5

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 19h 09m. Fly via Qatar Airways or American Airlines to get the fastest option. The distance from Champaign to Seoul is about 6644 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

See more FAQs

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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 December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$927Average$1,720FlexibilityNo cancel feeOn-time71%

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