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$993+ Cheap flights from Champaign (CMI) to Seoul (SEL)

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,458
(American Airlines)

One-way from

$993
(American Airlines)
Provider with most accurate pricing for Champaign University-Willard-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Champaign University-Willard-Seoul (SEL) flights.
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From Champaign University-Willard to Seoul (SEL)
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One-way flight 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 October 29, 2025.

This Qatar Airways deal was found by Cheapflights users on 10/26. 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 12/216:45 amCMI - ICN
2 stops43h 30mQatar Airways
Sat 1/1712:20 amICN - CMI
2 stops59h 57mQatar Airways
Deal found 10/26$3,499
This oojo deal was found by Cheapflights users on 10/27. 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.
Fri 12/53:16 pmCMI - ICN
2 stops34h 59mQatar Airways
Mon 12/1512:20 amICN - CMI
2 stops49h 31mQatar Airways
Deal found 10/27$10,261
This AranGrant deal was found by Cheapflights users on 10/27. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:32 pmCMI - ICN
2 stops37h 18mMultiple Airlines
Tue 12/1612:25 pmICN - CMI
2 stops48h 05mMultiple Airlines
Deal found 10/27$26,966
This Booking.com deal was found by Cheapflights users on 10/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:30 amCMI - ICN
2 stops39h 20mMultiple Airlines
Sun 1/1812:25 pmICN - CMI
2 stops47h 02mMultiple Airlines
Deal found 10/26$27,570

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 October 29, 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

Wed 2/11

7:03 am-4:45 pm

1 stop18h 42m

Incheon Intl

Sun 2/15

6:50 pm-9:05 pm

1 stop17h 15m

$1,458

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Sun 2/15

6:36 am-5:15 pm

2 stops43h 39m

Incheon Intl

Sat 3/14

12:20 am-8:32 pm

2 stops58h 12m

$1,661

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Sun 2/15

6:36 am-4:45 pm

1 stop19h 09m

Incheon Intl

Sun 3/15

5:55 pm-8:32 pm

1 stop16h 37m

$1,728

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Sat 3/14

3:45 pm-3:55 pm

1 stop34h 10m

$993

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

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 October.
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 October 29, 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
11,030 reviews

Crew

8.0

Overall

7.2

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

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
11,030 reviews
American Airlines
7.2
Good
11,030 reviews

Crew

8.0

Overall

7.2

Food

6.4

Comfort

7.2

Boarding

7.5

Entertainment

6.9

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 18h 42m. 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.

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$978Average$1,720FlexibilityNo cancel feeOn-time71%

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