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Cheap flights from Chicago O'Hare Intl Airport to Seoul from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Seoul departing on 2/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
2:35 pm - 12:45 pm
ORD
-
ICN
31h 10m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pm
ICN
-
ORD
32h 20m1 stop
$856Cathay Pacific
Tue, Jan 20 - Wed, Jan 28
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
1:20 pm - 3:58 pm
ICN
-
ORD
40h 38m2 stops
$866Multiple Airlines
Mon, Mar 2 - Tue, Mar 24
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
6:20 pm - 3:58 pm
ICN
-
ORD
35h 38m2 stops
$868Multiple Airlines
Mon, Mar 2 - Mon, Mar 30
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
1:20 pm - 3:58 pm
ICN
-
ORD
40h 38m2 stops
$877Multiple Airlines
Thu, Mar 5 - Tue, Mar 24
Multiple Airlines Logo
5:53 pm - 5:40 am
ORD
-
ICN
20h 47m1 stop
Multiple Airlines Logo
6:20 pm - 3:58 pm
ICN
-
ORD
35h 38m2 stops
$879Multiple Airlines
Thu, Mar 5 - Mon, Mar 30
Cathay Pacific Logo
2:35 pm - 9:25 pm
ORD
-
ICN
39h 50m1 stop
Cathay Pacific Logo
3:00 pm - 1:55 pm
ICN
-
ORD
36h 55m1 stop
$881Cathay Pacific
Mon, Mar 2 - Tue, Mar 24
Turkish Airlines Logo
11:50 am - 6:20 pm
ORD
-
ICN
39h 30m1 stop
Turkish Airlines Logo
10:45 am - 10:05 am
ICN
-
ORD
38h 20m1 stop
$882Turkish Airlines
Sun, Feb 15 - Fri, Feb 27
Cathay Pacific Logo
4:00 pm - 2:05 pm
ORD
-
ICN
32h 05m1 stop
Cathay Pacific Logo
3:10 pm - 2:25 pm
ICN
-
ORD
37h 15m1 stop
$885Cathay Pacific
Mon, Apr 13 - Tue, Jun 23
Turkish Airlines Logo
8:20 pm - 6:20 pm
ORD
-
ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 11:05 am
ICN
-
ORD
24h 55m1 stop
$891Turkish Airlines
Fri, Mar 6 - Thu, Mar 19
Cathay Pacific Logo
4:00 pm - 9:10 pm
ORD
-
ICN
39h 10m1 stop
Cathay Pacific Logo
3:10 pm - 2:25 pm
ICN
-
ORD
37h 15m1 stop
$892Cathay Pacific
Mon, Apr 20 - Wed, Apr 29

Cathay Pacific flights from Chicago O'Hare Intl Airport to Incheon Intl Airport

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Incheon Intl Airport flight tickets
Cathay Pacific
Jan 20
ORD2:35 pmChicago O'Hare Intl
31h 10m
1 stop
ICN12:45 pmIncheon Intl
Jan 28
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$856
Find similar
Cathay Pacific
Mar 2
ORD2:35 pmChicago O'Hare Intl
39h 50m
1 stop
ICN9:25 pmIncheon Intl
Mar 24
ICN3:00 pmIncheon Intl
36h 55m
1 stop
ORD1:55 pmChicago O'Hare Intl
$881
Find similar
Cathay Pacific
Apr 13
ORD4:00 pmChicago O'Hare Intl
32h 05m
1 stop
ICN2:05 pmIncheon Intl
Jun 23
ICN3:10 pmIncheon Intl
37h 15m
1 stop
ORD2:25 pmChicago O'Hare Intl
$885
Find similar

Turkish Airlines flights from Chicago O'Hare Intl Airport to Incheon Intl Airport

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Incheon Intl Airport flight tickets
Turkish Airlines
Feb 15
ORD11:50 amChicago O'Hare Intl
39h 30m
1 stop
ICN6:20 pmIncheon Intl
Feb 27
ICN10:45 amIncheon Intl
38h 20m
1 stop
ORD10:05 amChicago O'Hare Intl
$882
Find similar
Turkish Airlines
Mar 6
ORD8:20 pmChicago O'Hare Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Mar 19
ICN12:10 amIncheon Intl
24h 55m
1 stop
ORD11:05 amChicago O'Hare Intl
$891
Find similar
Turkish Airlines
Mar 6
ORD8:20 pmChicago O'Hare Intl
31h 00m
1 stop
ICN6:20 pmIncheon Intl
Mar 17
ICN12:10 amIncheon Intl
33h 15m
1 stop
ORD7:25 pmChicago O'Hare Intl
$895
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 December 8, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 1/20

2:35 pm-12:45 pm

1 stop31h 10m

Incheon Intl

Wed 1/28

7:35 pm-12:55 pm

1 stop32h 20m

$856

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Tue 3/24

1:20 pm-3:58 pm

2 stops40h 38m

$866

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Mon 3/30

6:20 pm-3:58 pm

2 stops35h 38m

$868

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 3/5

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Tue 3/24

1:20 pm-3:58 pm

2 stops40h 38m

$877

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Thu 3/5

5:53 pm-5:40 am

1 stop20h 47m

Incheon Intl

Mon 3/30

6:20 pm-3:58 pm

2 stops35h 38m

$879

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

2:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

Tue 3/24

3:00 pm-1:55 pm

1 stop36h 55m

$881

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 2/15

11:50 am-6:20 pm

1 stop39h 30m

Incheon Intl

Fri 2/27

10:45 am-10:05 am

1 stop38h 20m

$882

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 4/13

4:00 pm-2:05 pm

1 stop32h 05m

Incheon Intl

Tue 6/23

3:10 pm-2:25 pm

1 stop37h 15m

$885

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 3/6

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Thu 3/19

12:10 am-11:05 am

1 stop24h 55m

$891

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 4/20

4:00 pm-9:10 pm

1 stop39h 10m

Incheon Intl

Wed 4/29

3:10 pm-2:25 pm

1 stop37h 15m

$892

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from Chicago O'Hare Intl Airport is in November. Flight prices, which tend to average around $1,099, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of November, then departing from Chicago O'Hare Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $1,207.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from Chicago O'Hare Intl Airport to Incheon Intl Airport is on a Tuesday when prices can be found for as low as $980. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,304. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

At noon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Incheon Intl Airport when you can find flight prices for as low as $920. Flying to Incheon Intl Airport at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,466 on average. Flights to Incheon Intl Airport from Chicago O'Hare Intl Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Chicago O'Hare Intl to Incheon Intl flight route?

Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago O'Hare Intl - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,534 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from Chicago O'Hare Intl Airport for as low as $1,318 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Incheon Intl flights?

There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Incheon Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago O'Hare Intl Airport to Incheon Intl Airport flight prices changed over time?

As of December 2025, prices for Chicago O'Hare Intl Airport to Incheon Intl Airport flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Incheon Intl Airport

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

Cheap Chicago O'Hare Intl Airport to Incheon Intl Airport (ORD to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Incheon Intl Airport

Best Price Found

$580

Fastest flight time

14h 20m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from Chicago O'Hare Intl Airport in the past 72 hours is $580. The best round-trip flight deal from Chicago O'Hare Intl Airport to Incheon Intl Airport found on momondo in the last 72 hours is $800.
The fastest flight from Chicago O'Hare Intl Airport to Incheon Intl Airport takes 14h 20m
Direct flights go from Chicago O'Hare Intl Airport to Incheon Intl Airport every day.
Search flight deals

  • How far is Chicago O'Hare Intl to Incheon Intl by plane?

    Chicago O'Hare Intl and Incheon Intl are 6532.9 mi apart from one another. 18h 51m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Incheon Intl Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Incheon Intl Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Incheon Intl Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Incheon Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Incheon Intl Airport.

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

    The travel and health documents you'll need for your trip to Incheon Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Incheon Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Incheon Intl Airport?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Incheon Intl Airport?

Best airlines flying from Chicago O'Hare Intl Airport to Incheon Intl Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,088 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
4,084 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
EVA AirPriceFrom $1,015Free CancellationRating
8.4
1,294 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,095Free CancellationRating
7.1
10,512 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Korean AirPriceFrom $1,506Free CancellationRating
8.4
1,181 reviews
Search Korean Air flights

  • Korean Air Flights From Chicago O'Hare Intl Airport to Incheon Intl Airport

    Korean Air flight deals from Chicago O'Hare Intl Airport to Incheon Intl Airport start from $1,506 round-trip. Over the 7 Korean Air flights for this route in a normal week, average airfare is usually $1,896 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Chicago O'Hare Intl Airport to Incheon Intl Airport

    Delta is also a popular choice for this route. Delta flight deals for Chicago O'Hare Intl Airport to Incheon Intl Airport start from as low as $194 round-trip, depending on your selected dates, with average Delta deals seen on momondo around $1,881. Delta operates 7 flights to Incheon Intl Airport from Chicago O'Hare Intl Airport in an average week. Users have rated it 7.9/10 across 8,011 reviews.

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

Yes. All flights to Seoul from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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