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Cheap flights from Chicago O'Hare Intl Airport to Seoul from $399

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 4/24. 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
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
9:10 pm - 10:46 am
ICN
-
ORD
27h 36m
2 stops
$947Multiple Airlines
Sun, Apr 26 - Sun, May 3
Multiple Airlines Logo
5:15 am - 3:50 pm
ORD
-
ICN
20h 35m
1 stop
Multiple Airlines Logo
1:00 pm - 6:39 am
ICN
-
ORD
31h 39m
1 stop
$951Multiple Airlines
Mon, Apr 20 - Tue, May 5
Multiple Airlines Logo
7:45 pm - 3:50 pm
ORD
-
ICN
30h 05m
1 stop
Multiple Airlines Logo
6:00 pm - 6:39 am
ICN
-
ORD
26h 39m
2 stops
$954Multiple Airlines
Sun, Apr 5 - Sat, May 16
EVA Air Logo
12:30 am - 11:00 am
ORD
-
ICN
20h 30m
1 stop
EVA Air Logo
12:00 pm - 8:45 pm
ICN
-
ORD
22h 45m
1 stop
$962EVA Air
Tue, Sep 1 - Mon, Sep 7
EVA Air Logo
12:30 am - 6:10 pm
ORD
-
GMP
27h 40m
1 stop
EVA Air Logo
8:20 pm - 8:45 pm
GMP
-
ORD
38h 25m
1 stop
$962EVA Air
Sun, Aug 23 - Wed, Sep 23
EVA Air Logo
12:30 am - 11:00 am
ORD
-
ICN
20h 30m
1 stop
EVA Air Logo
12:00 pm - 9:00 pm
ICN
-
ORD
23h 00m
1 stop
$963EVA Air
Tue, Apr 28 - Wed, May 13
EVA Air Logo
8:42 pm - 7:15 pm
ORD
-
GMP
32h 33m
2 stops
EVA Air Logo
8:20 pm - 8:45 pm
GMP
-
ORD
38h 25m
1 stop
$1,020EVA Air
Mon, Aug 24 - Wed, Sep 23
Japan Airlines Logo
2:10 pm - 5:55 pm
ORD
-
GMP
37h 45m
1 stop
Japan Airlines Logo
7:15 pm - 10:45 am
GMP
-
ORD
29h 30m
1 stop
$1,128Japan Airlines
Tue, Sep 1 - Mon, Sep 14
Japan Airlines Logo
2:10 pm - 9:15 pm
ORD
-
GMP
17h 05m
1 stop
Japan Airlines Logo
8:00 am - 10:45 am
GMP
-
ORD
16h 45m
1 stop
$1,136Japan Airlines
Tue, Sep 1 - Wed, Oct 7
Japan Airlines Logo
2:10 pm - 10:40 am
ORD
-
GMP
30h 30m
1 stop
Japan Airlines Logo
7:15 pm - 7:45 pm
GMP
-
ORD
38h 30m
2 stops
$1,139Japan Airlines
Tue, Sep 1 - Wed, Oct 7

EVA Air flights from Chicago O'Hare Intl Airport to Seoul

Our best EVA Air deals on Chicago O'Hare Intl Airport to Seoul flight tickets
EVA Air
Apr 26
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
May 11
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$962
EVA Air
Apr 28
ORD12:30 amChicago O'Hare Intl
20h 30m
1 stop
ICN11:00 amIncheon Intl
May 13
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$963
EVA Air
Aug 31
ORD12:30 amChicago O'Hare Intl
28h 45m
1 stop
GMP7:15 pmSeoul Gimpo Intl
Sep 8
GMP7:15 pmSeoul Gimpo Intl
39h 30m
1 stop
ORD8:45 pmChicago O'Hare Intl
$966

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

Our best Japan Airlines deals on Chicago O'Hare Intl Airport to Seoul flight tickets
Japan Airlines
Sep 1
ORD2:10 pmChicago O'Hare Intl
37h 45m
1 stop
GMP5:55 pmSeoul Gimpo Intl
Sep 14
GMP7:15 pmSeoul Gimpo Intl
29h 30m
1 stop
ORD10:45 amChicago O'Hare Intl
$1,128
Japan Airlines
Sep 1
ORD2:10 pmChicago O'Hare Intl
17h 05m
1 stop
GMP9:15 pmSeoul Gimpo Intl
Oct 7
GMP8:00 amSeoul Gimpo Intl
16h 45m
1 stop
ORD10:45 amChicago O'Hare Intl
$1,136
Japan Airlines
Sep 1
ORD2:10 pmChicago O'Hare Intl
17h 05m
1 stop
GMP9:15 pmSeoul Gimpo Intl
Sep 8
GMP8:00 amSeoul Gimpo Intl
26h 48m
2 stops
ORD8:48 pmChicago O'Hare Intl
$1,139

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 March 16, 2026.
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

Cheapest round-trip

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 4/26

5:15 am-3:50 pm

1 stop20h 35m

Incheon Intl

Sun 5/3

9:10 pm-10:46 am

2 stops27h 36m

$947

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 4/20

5:15 am-3:50 pm

1 stop20h 35m

Incheon Intl

Tue 5/5

1:00 pm-6:39 am

1 stop31h 39m

$951

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sun 4/5

7:45 pm-3:50 pm

1 stop30h 05m

Incheon Intl

Sat 5/16

6:00 pm-6:39 am

2 stops26h 39m

$954

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 9/1

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

Mon 9/7

12:00 pm-8:45 pm

1 stop22h 45m

$962

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 8/23

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Wed 9/23

8:20 pm-8:45 pm

1 stop38h 25m

$962

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Tue 4/28

12:30 am-11:00 am

1 stop20h 30m

Incheon Intl

Wed 5/13

12:00 pm-9:00 pm

1 stop23h 00m

$963

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Mon 8/24

8:42 pm-7:15 pm

2 stops32h 33m

Seoul Gimpo Intl

Wed 9/23

8:20 pm-8:45 pm

1 stop38h 25m

$1,020

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 9/1

2:10 pm-5:55 pm

1 stop37h 45m

Seoul Gimpo Intl

Mon 9/14

7:15 pm-10:45 am

1 stop29h 30m

$1,128
Quickest round-trip

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 9/1

2:10 pm-9:15 pm

1 stop17h 05m

Seoul Gimpo Intl

Wed 10/7

8:00 am-10:45 am

1 stop16h 45m

$1,136

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Tue 9/1

2:10 pm-10:40 am

1 stop30h 30m

Seoul Gimpo Intl

Wed 10/7

7:15 pm-7:45 pm

2 stops38h 30m

$1,139

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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Seoul?

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 $1,104.

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

According to our data, Monday is the cheapest day to fly to Seoul from Chicago O'Hare Intl Airport. The lowest ticket price found for a Monday departure recently was $886. 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 Saturday, with ticket prices averaging around $1,095.

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 morning is the least expensive time of day to depart. momondo users have found prices as low as $976 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $982 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 $1,500 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 $857 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 50% 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 March 2026, prices for Chicago O'Hare Intl Airport to Seoul flights are approximately 38% more expensive 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

$533

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 $533. The best round-trip flight deal from Chicago O'Hare Intl Airport to Seoul found on momondo in the last 72 hours is $857.
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
8,288 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,431 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,210 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $877Free CancellationRating
7.3
4,258 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $916Free CancellationRating
7.1
11,466 reviews
Search American Airlines flights
EVA AirPriceFrom $948Free CancellationRating
8.4
1,374 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,088Free CancellationRating
7.1
10,811 reviews
Search Air Canada flights
Asiana AirlinesPriceFrom $1,234Free CancellationRating
8.1
507 reviews
Search Asiana Airlines flights
FinnairPriceFrom $1,259Free CancellationRating
7.6
1,371 reviews
Search Finnair flights
Korean AirPriceFrom $1,552Free CancellationRating
8.4
1,202 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 $1,552. Generally, Korean Air has 7 flights on this route every week with an average price of $1,902. Korean Air is rated 8.4/10 by our users.

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

    Across 8,288 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 $1,884. 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