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Cheap flights from Chicago O'Hare Intl Airport to Seoul from $340

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 3/1. 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.
Multiple Airlines Logo
6:17 pm - 5:40 am
ORD
-
ICN
20h 23m1 stop
Multiple Airlines Logo
6:55 pm - 4:33 pm
ICN
-
ORD
35h 38m2 stops
$792Multiple Airlines
Sat, Feb 28 - Mon, Mar 16
Multiple Airlines Logo
6:51 pm - 5:40 am
ORD
-
ICN
19h 49m1 stop
Multiple Airlines Logo
6:55 pm - 5:04 am
ICN
-
ORD
24h 09m2 stops
$832Multiple Airlines
Sun, Mar 1 - Wed, Mar 18
Multiple Airlines Logo
6:17 pm - 5:40 am
ORD
-
ICN
20h 23m1 stop
Multiple Airlines Logo
9:20 pm - 1:35 pm
ICN
-
ORD
30h 15m2 stops
$840Multiple Airlines
Sat, Feb 28 - Thu, Mar 12
Multiple Airlines Logo
6:17 pm - 5:40 am
ORD
-
ICN
20h 23m1 stop
Multiple Airlines Logo
6:55 pm - 2:11 pm
ICN
-
ORD
33h 16m2 stops
$842Multiple Airlines
Sun, Mar 1 - Mon, Mar 16
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
$845Cathay Pacific
Mon, Jan 19 - Wed, Jan 28
Multiple Airlines Logo
6:17 pm - 5:40 am
ORD
-
ICN
20h 23m1 stop
Multiple Airlines Logo
9:20 pm - 1:35 pm
ICN
-
ORD
30h 15m2 stops
$847Multiple Airlines
Sun, Mar 1 - Thu, Mar 12
Cathay Pacific Logo
2:35 pm - 1:55 pm
ORD
-
ICN
32h 20m1 stop
Cathay Pacific Logo
10:00 am - 12:55 pm
ICN
-
ORD
41h 55m1 stop
$856Cathay Pacific
Mon, Jan 19 - Wed, Jan 28
EVA Air Logo
11:30 pm - 7:15 pm
ORD
-
GMP
28h 45m1 stop
EVA Air Logo
7:00 pm - 7:35 pm
GMP
-
ORD
39h 35m1 stop
$958EVA Air
Mon, Jan 26 - Tue, Feb 24
EVA Air Logo
12:30 am - 12:50 pm
ORD
-
GMP
22h 20m1 stop
EVA Air Logo
1:50 pm - 9:00 pm
GMP
-
ORD
21h 10m1 stop
$996EVA Air
Wed, Apr 8 - Fri, Apr 17
Air China Logo
4:10 pm - 1:05 pm
ORD
-
GMP
29h 55m2 stops
Air China Logo
2:25 pm - 5:15 am
GMP
-
ORD
29h 50m2 stops
$1,400Air China
Mon, Jan 19 - Mon, Feb 2

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

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Seoul flight tickets
Cathay Pacific
Jan 19
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
$845
Find similar
Cathay Pacific
Jan 19
ORD2:35 pmChicago O'Hare Intl
32h 20m
1 stop
ICN1:55 pmIncheon Intl
Jan 28
ICN10:00 amIncheon Intl
41h 55m
1 stop
ORD12:55 pmChicago O'Hare Intl
$856
Find similar
Cathay Pacific
Mar 2
ORD2:35 pmChicago O'Hare Intl
37h 00m
1 stop
ICN6:35 pmIncheon Intl
Mar 18
ICN3:00 pmIncheon Intl
36h 55m
1 stop
ORD1:55 pmChicago O'Hare Intl
$879
Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Seoul

Our best American Airlines deals on Chicago O'Hare Intl Airport to Seoul flight tickets
American Airlines
Jan 23
ORD5:05 amChicago O'Hare Intl
20h 40m
1 stop
ICN4:45 pmIncheon Intl
Feb 2
ICN7:15 pmIncheon Intl
17h 54m
1 stop
ORD10:09 pmChicago O'Hare Intl
$908
Find similar
American Airlines
Jan 16
ORD6:54 amChicago O'Hare Intl
18h 51m
1 stop
ICN4:45 pmIncheon Intl
Jan 23
ICN7:15 pmIncheon Intl
18h 03m
1 stop
ORD10:18 pmChicago O'Hare Intl
$916
Find similar
American Airlines
Feb 18
ORD9:10 pmChicago O'Hare Intl
28h 35m
1 stop
ICN4:45 pmIncheon Intl
Mar 4
ICN7:15 pmIncheon Intl
27h 11m
2 stops
ORD7:26 amChicago O'Hare Intl
$920
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 2/28

6:17 pm-5:40 am

1 stop20h 23m

Incheon Intl

Mon 3/16

6:55 pm-4:33 pm

2 stops35h 38m

$792

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 3/1

6:51 pm-5:40 am

1 stop19h 49m

Incheon Intl

Wed 3/18

6:55 pm-5:04 am

2 stops24h 09m

$832

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 2/28

6:17 pm-5:40 am

1 stop20h 23m

Incheon Intl

Thu 3/12

9:20 pm-1:35 pm

2 stops30h 15m

$840

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 3/1

6:17 pm-5:40 am

1 stop20h 23m

Incheon Intl

Mon 3/16

6:55 pm-2:11 pm

2 stops33h 16m

$842

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/19

2:35 pm-12:45 pm

1 stop31h 10m

Incheon Intl

Wed 1/28

7:35 pm-12:55 pm

1 stop32h 20m

$845

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 3/1

6:17 pm-5:40 am

1 stop20h 23m

Incheon Intl

Thu 3/12

9:20 pm-1:35 pm

2 stops30h 15m

$847

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 1/19

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

Wed 1/28

10:00 am-12:55 pm

1 stop41h 55m

$856

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/26

11:30 pm-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

Tue 2/24

7:00 pm-7:35 pm

1 stop39h 35m

$958

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 4/8

12:30 am-12:50 pm

1 stop22h 20m

Seoul Gimpo Intl

Fri 4/17

1:50 pm-9:00 pm

1 stop21h 10m

$996

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 1/19

4:10 pm-1:05 pm

2 stops29h 55m

Seoul Gimpo Intl

Mon 2/2

2:25 pm-5:15 am

2 stops29h 50m

$1,400

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 Seoul

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 Seoul?

The month of September is another great option to travel to Seoul, with average flight prices from Chicago O'Hare Intl Airport averaging around $1,131.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from Chicago O'Hare Intl Airport. The lowest ticket price found for a Tuesday departure recently was $982. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,281.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from Chicago O'Hare Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $982 when looking at flights departing in the evening. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,430 per ticket.

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

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

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,541 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Chicago O'Hare Intl Airport for as low as $1,311 on momondo.

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

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

Can stopping save me money on Chicago O'Hare Intl Airport to Seoul flights?

You could potentially save up to 57% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Seoul flight.

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

As of December 2025, prices for Chicago O'Hare Intl Airport to Seoul flights are approximately 13% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Seoul 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 Seoul (ORD to SEL) flight deals and tips

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

Best Price Found

$583

Fastest flight time

14h 20m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Chicago O'Hare Intl Airport in the past 72 hours is $583. The best round-trip flight deal from Chicago O'Hare Intl Airport to Seoul found on momondo in the last 72 hours is $793.
The fastest flight from Chicago O'Hare Intl Airport to Seoul takes 14h 20m
Direct flights go from Chicago O'Hare Intl Airport to Seoul every day.
There are 2 airports in Seoul. From Chicago O'Hare Intl Airport there are direct flights to Incheon Intl (ICN).
Search flight deals

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

    The distance between Chicago O'Hare Intl and Seoul is about 6514.0 mi. In terms of flight time, this usually takes a little over 14h 20m.

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

    Prices for flights from Chicago O'Hare Intl Airport to Seoul refresh daily.

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

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

    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 Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The required travel and health documents for your Seoul 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 Seoul. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,005 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,095 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $849Free CancellationRating
7.3
4,105 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
EVA AirPriceFrom $1,003Free CancellationRating
8.4
1,295 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,095Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
Korean AirPriceFrom $1,503Free CancellationRating
8.4
1,186 reviews
Search Korean Air flights

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

    The lowest priced Korean Air flight from Chicago O'Hare Intl Airport to Seoul from the last 72 hours was $1,503. Generally, Korean Air has 7 flights on this route every week with an average price of $1,893. Korean Air is rated 8.4/10 by our users.

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

    Across 8,005 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Chicago O'Hare Intl Airport to Seoul about 7 times each week, with ticket deals ranging from $194 to $1,881. Price data is based on momondo searches in the last 72 hours.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Seoul. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Chicago to Seoul flights to just show those with flexible booking policies.

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

Once all potential Chicago to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago 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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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport