Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Seoul from $397

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 12/8. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
6:50 am - 4:20 pmORD-ICN
42h 30m1 stop
Multiple Airlines Logo
9:20 pm - 8:55 pmICN-ORD
38h 35m2 stops
$782Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Dec 11
Multiple Airlines Logo
8:36 am - 5:40 amORD-ICN
30h 04m1 stop
Multiple Airlines Logo
9:20 pm - 6:05 amICN-ORD
47h 45m2 stops
$802Multiple Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 16
Turkish Airlines Logo
8:20 pm - 6:20 pmORD-ICN
31h 00m1 stop
Turkish Airlines Logo
12:10 am - 10:05 amICN-ORD
24h 55m1 stop
$835Turkish Airlines
Find Deal
Fri, Feb 13 - Sun, Mar 1
Turkish Airlines Logo
11:50 am - 6:20 pmORD-ICN
39h 30m1 stop
Turkish Airlines Logo
10:45 am - 10:05 amICN-ORD
38h 20m1 stop
$844Turkish Airlines
Find Deal
Sat, Jan 10 - Sat, Jan 24
Cathay Pacific Logo
2:35 pm - 9:25 pmORD-ICN
39h 50m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmICN-ORD
32h 20m1 stop
$857Cathay Pacific
Find Deal
Mon, Feb 9 - Mon, Feb 16
Cathay Pacific Logo
2:35 pm - 12:45 pmORD-ICN
31h 10m1 stop
Cathay Pacific Logo
7:35 pm - 12:55 pmICN-ORD
32h 20m1 stop
$866Cathay Pacific
Find Deal
Wed, Feb 11 - Wed, Feb 25
American Airlines Logo
10:05 pm - 4:45 pmORD-ICN
27h 40m1 stop
American Airlines Logo
7:15 pm - 11:15 pmICN-ORD
19h 00m1 stop
$916American Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 22
American Airlines Logo
10:05 pm - 4:45 pmORD-ICN
27h 40m1 stop
American Airlines Logo
7:15 pm - 10:19 pmICN-ORD
18h 04m1 stop
$917American Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 14
EVA Air Logo
12:30 am - 6:10 pmORD-GMP
27h 40m1 stop
EVA Air Logo
8:20 pm - 9:00 pmGMP-ORD
38h 40m1 stop
$965EVA Air
Find Deal
Sun, Apr 5 - Wed, Apr 29
EVA Air Logo
12:30 am - 12:50 pmORD-GMP
22h 20m1 stop
EVA Air Logo
1:50 pm - 9:00 pmGMP-ORD
21h 10m1 stop
$999EVA Air
Find Deal
Wed, Apr 8 - Sat, Apr 18

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
Feb 9
ORD2:35 pmChicago O'Hare Intl
39h 50m
1 stop
ICN9:25 pmIncheon Intl
Feb 16
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$857
Find similar
Cathay Pacific
Feb 11
ORD2:35 pmChicago O'Hare Intl
31h 10m
1 stop
ICN12:45 pmIncheon Intl
Feb 25
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$866
Find similar
Cathay Pacific
Feb 11
ORD2:35 pmChicago O'Hare Intl
31h 10m
1 stop
ICN12:45 pmIncheon Intl
Feb 24
ICN7:35 pmIncheon Intl
32h 20m
1 stop
ORD12:55 pmChicago O'Hare Intl
$880
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
Dec 1
ORD10:05 pmChicago O'Hare Intl
27h 40m
1 stop
ICN4:45 pmIncheon Intl
Dec 22
ICN7:15 pmIncheon Intl
19h 00m
1 stop
ORD11:15 pmChicago O'Hare Intl
$916
Find similar
American Airlines
Dec 5
ORD10:05 pmChicago O'Hare Intl
27h 40m
1 stop
ICN4:45 pmIncheon Intl
Dec 14
ICN7:15 pmIncheon Intl
18h 04m
1 stop
ORD10:19 pmChicago O'Hare Intl
$917
Find similar
American Airlines
Nov 30
ORD12:48 amChicago O'Hare Intl
24h 57m
2 stops
ICN4:45 pmIncheon Intl
Dec 13
ICN7:15 pmIncheon Intl
17h 09m
1 stop
ORD9:24 pmChicago O'Hare Intl
$921
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 November 5, 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

Thu 12/4

6:50 am-4:20 pm

1 stop42h 30m

Incheon Intl

Thu 12/11

9:20 pm-8:55 pm

2 stops38h 35m

$782

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 12/3

8:36 am-5:40 am

1 stop30h 04m

Incheon Intl

Tue 12/16

9:20 pm-6:05 am

2 stops47h 45m

$802

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 2/13

8:20 pm-6:20 pm

1 stop31h 00m

Incheon Intl

Sun 3/1

12:10 am-10:05 am

1 stop24h 55m

$835

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Sat 1/10

11:50 am-6:20 pm

1 stop39h 30m

Incheon Intl

Sat 1/24

10:45 am-10:05 am

1 stop38h 20m

$844

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 2/9

2:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

Mon 2/16

7:35 pm-12:55 pm

1 stop32h 20m

$857

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Wed 2/11

2:35 pm-12:45 pm

1 stop31h 10m

Incheon Intl

Wed 2/25

7:35 pm-12:55 pm

1 stop32h 20m

$866

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 12/1

10:05 pm-4:45 pm

1 stop27h 40m

Incheon Intl

Mon 12/22

7:15 pm-11:15 pm

1 stop19h 00m

$916

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Fri 12/5

10:05 pm-4:45 pm

1 stop27h 40m

Incheon Intl

Sun 12/14

7:15 pm-10:19 pm

1 stop18h 04m

$917

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Sun 4/5

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

Wed 4/29

8:20 pm-9:00 pm

1 stop38h 40m

$965

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

Wed 4/8

12:30 am-12:50 pm

1 stop22h 20m

Seoul Gimpo Intl

Sat 4/18

1:50 pm-9:00 pm

1 stop21h 10m

$999

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March is another great option to travel to Seoul, with average flight prices from Chicago O'Hare Intl Airport averaging around $1,199.

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 $989. 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 $1,315.

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 $1,126 when looking at flights departing in the morning. 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 $1,514 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 $1,384 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.

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

As of November 2025, prices for Chicago O'Hare Intl Airport to Seoul flights are approximately 30% 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

$556

Fastest flight time

14h 30m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from Chicago O'Hare Intl Airport in the past 72 hours is $556. The best round-trip flight deal from Chicago O'Hare Intl Airport to Seoul found on momondo in the last 72 hours is $782.
The fastest flight from Chicago O'Hare Intl Airport to Seoul takes 14h 30m
Direct flights go from Chicago O'Hare Intl Airport to Seoul every day.
There is 1 airport near Seoul: 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 20h 30m.

  • 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
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,004 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,053 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
4,031 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
EVA AirPriceFrom $1,015Free CancellationRating
8.4
1,270 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,067Free CancellationRating
7.1
10,409 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,335 reviews
Search Finnair flights
Korean AirPriceFrom $1,503Free CancellationRating
8.4
1,160 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 $1,886. Korean Air is rated 8.4/10 by our users.

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

    Across 8,004 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 $1,886. 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.

An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 12/5
Fri 12/12
By creating a price alert you accept our terms of use and privacy policy.

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