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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 11/16. 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

WestJet Logo
5:30 pm - 6:45 pmORD-ICN
35h 15m1 stop
WestJet Logo
8:45 pm - 4:43 pmICN-ORD
33h 58m1 stop
$693WestJet
Find Deal
jue., oct. 2 - vie., oct. 17
Cathay Pacific Logo
4:00 pm - 12:40 pmORD-ICN
30h 40m1 stop
Cathay Pacific Logo
8:05 pm - 2:25 pmICN-ORD
32h 20m1 stop
$715Cathay Pacific
Find Deal
lun., sep. 29 - lun., oct. 13
Cathay Pacific Logo
4:00 pm - 7:05 pmORD-ICN
37h 05m1 stop
Cathay Pacific Logo
10:05 am - 2:00 pmICN-ORD
41h 55m1 stop
$728Cathay Pacific
Find Deal
lun., sep. 29 - mar., oct. 28
Cathay Pacific Logo
4:00 pm - 12:40 pmORD-ICN
30h 40m1 stop
Cathay Pacific Logo
7:35 pm - 1:00 pmICN-ORD
32h 25m1 stop
$730Cathay Pacific
Find Deal
jue., oct. 23 - mié., nov. 12
Logo
7:25 am - 4:10 pmORD-ICN
42h 45m1 stop
Logo
8:35 pm - 6:22 amICN-ORD
24h 47m1 stop
$764
Find Deal
dom., oct. 26 - lun., nov. 10
Logo
7:25 am - 4:10 pmORD-ICN
42h 45m1 stop
Logo
8:35 pm - 6:22 amICN-ORD
24h 47m1 stop
$767
Find Deal
dom., oct. 26 - dom., nov. 2
EVA Air Logo
12:30 am - 6:10 pmORD-GMP
27h 40m1 stop
EVA Air Logo
7:00 pm - 8:35 pmGMP-ORD
39h 35m1 stop
$1,081EVA Air
Find Deal
dom., sep. 28 - mar., oct. 28
EVA Air Logo
12:30 am - 7:15 pmORD-GMP
28h 45m1 stop
EVA Air Logo
8:15 pm - 7:35 pmGMP-ORD
38h 20m1 stop
$1,082EVA Air
Find Deal
lun., oct. 20 - mié., nov. 26
Air China Logo
8:50 am - 1:05 pmORD-GMP
38h 15m2 stops
Air China Logo
2:25 pm - 7:55 pmGMP-ORD
43h 30m2 stops
$1,439Air China
Find Deal
vie., oct. 24 - vie., oct. 31
Air China Logo
7:10 am - 1:05 pmORD-GMP
38h 55m2 stops
Air China Logo
2:25 pm - 10:59 pmGMP-ORD
47h 34m2 stops
$1,460Air China
Find Deal
dom., nov. 9 - sáb., nov. 15

WestJet flights from Chicago O'Hare Intl Airport to Seoul

Our best WestJet deals on Chicago O'Hare Intl Airport to Seoul flight tickets
WestJet
Oct 2
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 17
ICN8:45 pmIncheon Intl
33h 58m
1 stop
ORD4:43 pmChicago O'Hare Intl
$693
Find similar
WestJet
Oct 2
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 19
ICN9:40 pmIncheon Intl
33h 03m
1 stop
ORD4:43 pmChicago O'Hare Intl
$740
Find similar
WestJet
Oct 17
ORD5:30 pmChicago O'Hare Intl
36h 10m
1 stop
ICN7:40 pmIncheon Intl
Oct 25
ICN8:45 pmIncheon Intl
30h 50m
1 stop
ORD1:35 pmChicago O'Hare Intl
$761
Find similar

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

Our best Air Canada deals on Chicago O'Hare Intl Airport to Seoul flight tickets
Air Canada
Sep 16
ORD7:11 amChicago O'Hare Intl
19h 04m
1 stop
ICN4:15 pmIncheon Intl
Sep 30
ICN5:45 pmIncheon Intl
36h 57m
1 stop
ORD4:42 pmChicago O'Hare Intl
$1,023
Find similar
Air Canada
Sep 17
ORD3:45 pmChicago O'Hare Intl
34h 20m
1 stop
ICN4:05 pmIncheon Intl
Sep 23
ICN7:05 pmIncheon Intl
26h 56m
2 stops
ORD8:01 amChicago O'Hare Intl
$1,029
Find similar
Air Canada
Sep 16
ORD7:11 amChicago O'Hare Intl
19h 04m
1 stop
ICN4:15 pmIncheon Intl
Sep 30
ICN5:45 pmIncheon Intl
30h 06m
2 stops
ORD9:51 amChicago O'Hare Intl
$1,033
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 septiembre 11, 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

jue. 10/2

5:30 pm-6:45 pm

1 stop35h 15m

Incheon Intl

vie. 10/17

8:45 pm-4:43 pm

1 stop33h 58m

$693

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 9/29

4:00 pm-12:40 pm

1 stop30h 40m

Incheon Intl

lun. 10/13

8:05 pm-2:25 pm

1 stop32h 20m

$715

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 9/29

4:00 pm-7:05 pm

1 stop37h 05m

Incheon Intl

mar. 10/28

10:05 am-2:00 pm

1 stop41h 55m

$728

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

jue. 10/23

4:00 pm-12:40 pm

1 stop30h 40m

Incheon Intl

mié. 11/12

7:35 pm-1:00 pm

1 stop32h 25m

$730

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 10/26

7:25 am-4:10 pm

1 stop42h 45m

Incheon Intl

lun. 11/10

8:35 pm-6:22 am

1 stop24h 47m

$764

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 10/26

7:25 am-4:10 pm

1 stop42h 45m

Incheon Intl

dom. 11/2

8:35 pm-6:22 am

1 stop24h 47m

$767

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

dom. 9/28

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

mar. 10/28

7:00 pm-8:35 pm

1 stop39h 35m

$1,081

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

lun. 10/20

12:30 am-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

mié. 11/26

8:15 pm-7:35 pm

1 stop38h 20m

$1,082

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

vie. 10/24

8:50 am-1:05 pm

2 stops38h 15m

Seoul Gimpo Intl

vie. 10/31

2:25 pm-7:55 pm

2 stops43h 30m

$1,439

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

dom. 11/9

7:10 am-1:05 pm

2 stops38h 55m

Seoul Gimpo Intl

sáb. 11/15

2:25 pm-10:59 pm

2 stops47h 34m

$1,460

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 $1,146.

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 $1,057. 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 $1,360.

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 $1,153 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 $1,478 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 $1,278 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 September 2025, prices for Chicago O'Hare Intl Airport to Seoul flights are approximately 23% 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 40m

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 $583. The best round-trip flight deal from Chicago O'Hare Intl Airport to Seoul found on momondo in the last 72 hours is $852.
The fastest flight from Chicago O'Hare Intl Airport to Seoul takes 14h 40m
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 22h 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 $297Free CancellationRating
7.9
7,960 reviews
Search Delta flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
American AirlinesPriceFrom $845Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $901Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
EVA AirPriceFrom $1,085Free CancellationRating
8.4
1,236 reviews
Search EVA Air flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
Korean AirPriceFrom $1,491Free CancellationRating
8.4
1,139 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 $1,491. Generally, Korean Air has 7 flights on this route every week with an average price of $1,868. Korean Air is rated 8.4/10 by our users.

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

    Across 7,960 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 $297 to $1,906. 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