$1,066+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — SEL
Dec 4 — Dec 111
Round-trip
1 adult, Economy
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Find cheap flights from Champaign to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Champaign to Seoul
Cheapest
Best
Last-minute
Cheapest flights from Champaign to SeoulExplore 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 November 4, 2026.
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 November 4, 2026.
This Gurufare deal was found by Cheapflights users on 11/4. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:59 am -
2 stops45h 36m
Tue 12/81:55 am -
2 stops31h 35m
Deal found 11/4![Cathay Pacific logo]()
$1,517
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/27:00 pm -
2 stops30h 45m
Wed 12/96:50 pm -
1 stop18h 14m
Deal found 11/4![American Airlines logo]()
$1,615
This Qatar Airways deal was found by Cheapflights users on 10/31. 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.
Mon 11/1612:13 pm -
2 stops38h 02m
Thu 11/1912:20 am -
2 stops36h 42m
Deal found 10/31![Qatar Airways logo]()
$2,354
This Korean Air deal was found by Cheapflights users on 11/4. 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.
Wed 12/25:59 am -
1 stop20h 16m
Wed 12/910:20 am -
1 stop26h 44m
Deal found 11/4![Multiple Airlines logo]()
$2,366
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/196:43 pm -
2 stops31h 02m
Sat 12/266:50 pm -
2 stops31h 05m
Deal found 11/4![American Airlines logo]()
$2,426
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:43 pm -
1 stop31h 32m
Sat 1/1610:20 am -
1 stop18h 48m
Deal found 11/3![Korean Air logo]()
$3,626
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:25 am -
2 stops38h 50m
Fri 1/1512:20 am -
2 stops33h 04m
Deal found 11/3![Qatar Airways logo]()
$4,235
Best flights from Champaign to SeoulDiscover carefully curated flight deals from Champaign to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
Discover carefully curated flight deals from Champaign to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 4, 2026.
This KAYAK deal was found by Cheapflights users on 11/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/206:05 am -
2 stops50h 20m
Tue 4/278:05 pm -
2 stops39h 30m
Deal found 11/3![Cathay Pacific logo]()
$1,066
This American Airlines deal was found by Cheapflights users on 10/31. 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 4/206:38 am -
1 stop19h 07m
Tue 4/275:50 pm -
1 stop17h 07m
Deal found 10/31![American Airlines logo]()
$1,219
This Qatar Airways deal was found by Cheapflights users on 11/4. 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.
Sat 2/272:30 pm -
2 stops35h 45m
Tue 3/212:20 am -
2 stops36h 39m
Deal found 11/4![Qatar Airways logo]()
$1,670
This Qatar Airways deal was found by Cheapflights users on 11/4. 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.
Tue 4/203:01 pm -
2 stops36h 04m
Tue 4/271:40 pm -
3 stops38h 51m
Deal found 11/4![Multiple Airlines logo]()
$2,158
Last-minute flights from Champaign to SeoulDiscover last-minute flight deals from Champaign to Seoul. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from Champaign to Seoul. Data last updated November 4, 2026 and is based on user searches.
This Qatar Airways deal was found by Cheapflights users on 10/31. 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.
Mon 11/1612:13 pm -
2 stops38h 02m
Thu 11/1912:20 am -
2 stops36h 42m
Deal found 10/31![Qatar Airways logo]()
$2,354
This Gurufare deal was found by Cheapflights users on 11/4. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/25:59 am -
2 stops45h 36m
Tue 12/81:55 am -
2 stops31h 35m
Deal found 11/4![Cathay Pacific logo]()
$1,517
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/27:00 pm -
2 stops30h 45m
Wed 12/96:50 pm -
1 stop18h 14m
Deal found 11/4![American Airlines logo]()
$1,615
This Korean Air deal was found by Cheapflights users on 11/4. 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.
Wed 12/25:59 am -
1 stop20h 16m
Wed 12/910:20 am -
1 stop26h 44m
Deal found 11/4![Multiple Airlines logo]()
$2,366
This American Airlines deal was found by Cheapflights users on 11/4. 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 12/196:43 pm -
2 stops31h 02m
Sat 12/266:50 pm -
2 stops31h 05m
Deal found 11/4![American Airlines logo]()
$2,426
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/206:43 pm -
1 stop31h 32m
Sat 1/1610:20 am -
1 stop18h 48m
Deal found 11/3![Korean Air logo]()
$3,626
This Ovago deal was found by Cheapflights users on 11/3. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:25 am -
2 stops38h 50m
Fri 1/1512:20 am -
2 stops33h 04m
Deal found 11/3![Qatar Airways logo]()
$4,235
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 November 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,066 (KAYAK) |
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 7,457,451 searches. Data last updated November 4, 2026.
Use the filters below to find and compare flights from Champaign to Seoul that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChampaignIncheon
CMI Champaign University-Willard - ICN Incheon Intl
CMIICN
Champaign University-Willard
Tue 4/20
6:05 am-10:25 pm
2 stops50h 20m
Incheon Intl
Tue 4/27
8:05 pm-9:35 pm
2 stops39h 30m
$1,066
Quickest round-trip
ChampaignIncheon
CMI Champaign University-Willard - ICN Incheon Intl
CMIICN
Champaign University-Willard
Tue 4/20
6:38 am-3:45 pm
1 stop19h 07m
Incheon Intl
Tue 4/27
5:50 pm-8:57 pm
1 stop17h 07m
$1,219
ChampaignIncheon
CMI Champaign University-Willard - ICN Incheon Intl
CMIICN
Champaign University-Willard
Sat 2/27
2:30 pm-5:15 pm
2 stops35h 45m
Incheon Intl
Tue 3/2
12:20 am-9:59 pm
2 stops36h 39m
$1,670
ChampaignIncheon
CMI Champaign University-Willard - ICN Incheon Intl
CMIICN
Champaign University-Willard
Tue 4/20
3:01 pm-5:05 pm
2 stops36h 04m
Incheon Intl
Tue 4/27
1:40 pm-2:31 pm
3 stops38h 51m
$2,158
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Champaign-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
CMI-SEL
CMI-ICN
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
CMI-SEL
CMI-ICN
No data available for this route at this time. Please check back soon.
Related info for your journey
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