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Cheap flights from Champaign to Seoul from $1,660

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Champaign to Seoul departing on 12/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Champaign to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:32 pm - 5:40 am
CMI
-
ICN
25h 08m
2 stops
United Airlines Logo
6:30 pm - 8:54 am
ICN
-
CMI
29h 24m
2 stops
$1,660United Airlines
Wed, Dec 9 - Tue, Dec 29
United Airlines Logo
1:32 pm - 5:40 am
CMI
-
ICN
25h 08m
2 stops
United Airlines Logo
6:00 pm - 8:54 am
ICN
-
CMI
29h 54m
2 stops
$1,760United Airlines
Mon, Dec 7 - Wed, Jan 6
United Airlines Logo
8:43 pm - 4:25 pm
CMI
-
ICN
28h 42m
2 stops
United Airlines Logo
6:00 pm - 8:54 am
ICN
-
CMI
29h 54m
2 stops
$1,810United Airlines
Fri, Dec 11 - Wed, Jan 6
United Airlines Logo
1:32 pm - 5:40 am
CMI
-
ICN
25h 08m
2 stops
United Airlines Logo
6:00 pm - 8:54 am
ICN
-
CMI
29h 54m
2 stops
$1,833United Airlines
Mon, Dec 7 - Tue, Jan 5
American Airlines Logo
3:16 pm - 4:25 pm
CMI
-
ICN
34h 09m
1 stop
American Airlines Logo
6:50 pm - 11:43 am
ICN
-
CMI
31h 53m
2 stops
$1,973American Airlines
Wed, Dec 9 - Tue, Dec 29
Qatar Airways Logo
2:41 pm - 5:05 pm
CMI
-
ICN
36h 24m
2 stops
Qatar Airways Logo
1:20 am - 2:11 pm
ICN
-
CMI
50h 51m
2 stops
$2,056Qatar Airways
Fri, Sep 11 - Mon, Sep 14
American Airlines Logo
6:00 am - 4:25 pm
CMI
-
ICN
19h 25m
1 stop
American Airlines Logo
6:50 pm - 2:27 pm
ICN
-
CMI
34h 37m
1 stop
$2,081American Airlines
Wed, Dec 9 - Tue, Dec 29
Qatar Airways Logo
2:41 pm - 5:05 pm
CMI
-
ICN
36h 24m
2 stops
Qatar Airways Logo
1:20 am - 2:11 pm
ICN
-
CMI
50h 51m
2 stops
$2,149Qatar Airways
Fri, Sep 11 - Mon, Sep 14
Qatar Airways Logo
12:21 pm - 5:15 pm
CMI
-
ICN
37h 54m
2 stops
Qatar Airways Logo
12:20 am - 6:05 pm
ICN
-
CMI
32h 45m
2 stops
$3,266Qatar Airways
Mon, Dec 7 - Fri, Jan 8
Qatar Airways Logo
12:21 pm - 5:15 pm
CMI
-
ICN
37h 54m
2 stops
Qatar Airways Logo
12:20 am - 6:05 pm
ICN
-
CMI
32h 45m
2 stops
$3,372Qatar Airways
Tue, Dec 8 - Fri, Jan 8

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United Airlines flights from Champaign to Incheon Intl Airport

Our best United Airlines deals on Champaign to Incheon Intl Airport flight tickets
United Airlines
Dec 9
CMI1:32 pmChampaign University-Willard
25h 08m
2 stops
ICN5:40 amIncheon Intl
Dec 29
ICN6:30 pmIncheon Intl
29h 24m
2 stops
CMI8:54 amChampaign University-Willard
$1,660
United Airlines
Dec 7
CMI1:32 pmChampaign University-Willard
25h 08m
2 stops
ICN5:40 amIncheon Intl
Jan 6
ICN6:00 pmIncheon Intl
29h 54m
2 stops
CMI8:54 amChampaign University-Willard
$1,760
United Airlines
Dec 11
CMI8:43 pmChampaign University-Willard
28h 42m
2 stops
ICN4:25 pmIncheon Intl
Jan 6
ICN6:00 pmIncheon Intl
29h 54m
2 stops
CMI8:54 amChampaign University-Willard
$1,810

American Airlines flights from Champaign to Incheon Intl Airport

Our best American Airlines deals on Champaign to Incheon Intl Airport flight tickets
American Airlines
Dec 9
CMI3:16 pmChampaign University-Willard
34h 09m
1 stop
ICN4:25 pmIncheon Intl
Dec 29
ICN6:50 pmIncheon Intl
31h 53m
2 stops
CMI11:43 amChampaign University-Willard
$1,973
American Airlines
Dec 9
CMI6:00 amChampaign University-Willard
19h 25m
1 stop
ICN4:25 pmIncheon Intl
Dec 29
ICN6:50 pmIncheon Intl
34h 37m
1 stop
CMI2:27 pmChampaign University-Willard
$2,081
American Airlines
Aug 20
CMI7:00 amChampaign University-Willard
18h 45m
1 stop
ICN3:45 pmIncheon Intl
Aug 27
ICN5:50 pmIncheon Intl
18h 10m
1 stop
CMI10:00 pmChampaign University-Willard
$6,686

momondo Fare Finder

 
Customize your flight search to find flights from Champaign to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated July 6, 2026.
Use the filters below to find and compare flights from Champaign to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Wed 12/9

1:32 pm-5:40 am

2 stops25h 08m

Incheon Intl

Tue 12/29

6:30 pm-8:54 am

2 stops29h 24m

$1,660

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Mon 12/7

1:32 pm-5:40 am

2 stops25h 08m

Incheon Intl

Wed 1/6

6:00 pm-8:54 am

2 stops29h 54m

$1,760

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Fri 12/11

8:43 pm-4:25 pm

2 stops28h 42m

Incheon Intl

Wed 1/6

6:00 pm-8:54 am

2 stops29h 54m

$1,810

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Mon 12/7

1:32 pm-5:40 am

2 stops25h 08m

Incheon Intl

Tue 1/5

6:00 pm-8:54 am

2 stops29h 54m

$1,833

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Wed 12/9

3:16 pm-4:25 pm

1 stop34h 09m

Incheon Intl

Tue 12/29

6:50 pm-11:43 am

2 stops31h 53m

$1,973

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Fri 9/11

2:41 pm-5:05 pm

2 stops36h 24m

Incheon Intl

Mon 9/14

1:20 am-2:11 pm

2 stops50h 51m

$2,056
Quickest round-trip

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Wed 12/9

6:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Tue 12/29

6:50 pm-2:27 pm

1 stop34h 37m

$2,081

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Fri 9/11

2:41 pm-5:05 pm

2 stops36h 24m

Incheon Intl

Mon 9/14

1:20 am-2:11 pm

2 stops50h 51m

$2,149

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Mon 12/7

12:21 pm-5:15 pm

2 stops37h 54m

Incheon Intl

Fri 1/8

12:20 am-6:05 pm

2 stops32h 45m

$3,266

ChampaignIncheon

CMI - ICN

CMIICN

Champaign University-Willard

Tue 12/8

12:21 pm-5:15 pm

2 stops37h 54m

Incheon Intl

Fri 1/8

12:20 am-6:05 pm

2 stops32h 45m

$3,372

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Champaign to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Champaign to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Champaign to Incheon Intl Airport (CMI to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Champaign to Incheon Intl Airport

Fastest flight time

37h 54m

Direct flights

None
The fastest flight from Champaign to Incheon Intl Airport takes 37h 54m
There are no direct flights from Champaign to Incheon Intl Airport. There are no popular flight routes from Champaign to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Champaign to Incheon Intl Airport

  • How far is Champaign University-Willard to Incheon Intl by plane?

    A flight from Champaign University-Willard to Incheon Intl will travel around 6634.5 mi. By plane, this route typically takes 37h 54m.

  • When did momondo last update prices for flights from Champaign University-Willard Airport to Incheon Intl Airport?

    Prices for flights from Champaign University-Willard Airport to Incheon Intl Airport refresh daily.

  • How old do you have to be to fly from Champaign University-Willard Airport to Incheon Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Champaign University-Willard Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Champaign to Incheon Intl Airport

  • How do I get Price Alerts for flights from Champaign to Incheon Intl Airport?

    Price Alerts will notify you by email when the price for flights to Incheon Intl Airport from Champaign decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Champaign to Incheon Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Daejeon
Suwon
Seongnam
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from Champaign to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Champaign to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Champaign to Seoul with flexible booking policies on momondo?

Flights from Champaign to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Champaign to Seoul?

momondo provides multiple filters to help you find the best flight to Seoul from Champaign. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Champaign to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Champaign to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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