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Cheap flights from Chicago to Seoul from $427

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 to Seoul departing on 12/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:01 pm - 5:40 amORD-ICN
24h 39m1 stop
Multiple Airlines Logo
6:55 pm - 11:42 amICN-ORD
55h 47m2 stops
$833Multiple Airlines
Find Deal
mié., dic. 3 - mié., dic. 10
Multiple Airlines Logo
4:58 pm - 12:20 pmORD-ICN
28h 22m3 stops
Multiple Airlines Logo
1:20 pm - 6:05 amICN-ORD
31h 45m2 stops
$858Multiple Airlines
Find Deal
mar., dic. 2 - mar., dic. 9
Cathay Pacific Logo
2:35 pm - 1:55 pmORD-ICN
32h 20m1 stop
Cathay Pacific Logo
1:45 pm - 1:55 pmICN-ORD
38h 10m1 stop
$864Cathay Pacific
Find Deal
lun., feb. 23 - lun., mar. 9
Multiple Airlines Logo
9:06 pm - 4:20 pmORD-ICN
28h 14m1 stop
Multiple Airlines Logo
9:20 pm - 6:21 amICN-ORD
24h 01m2 stops
$865Multiple Airlines
Find Deal
dom., dic. 7 - dom., dic. 14
Cathay Pacific Logo
2:35 pm - 1:55 pmORD-ICN
32h 20m1 stop
Cathay Pacific Logo
3:00 pm - 12:55 pmICN-ORD
36h 55m1 stop
$866Cathay Pacific
Find Deal
lun., ene. 12 - mar., feb. 3
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
$868Cathay Pacific
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lun., feb. 2 - dom., feb. 8
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
$960EVA Air
Find Deal
dom., abr. 5 - mié., abr. 22
EVA Air Logo
12:30 am - 7:15 pmORD-GMP
28h 45m1 stop
EVA Air Logo
7:15 pm - 9:00 pmGMP-ORD
39h 45m1 stop
$962EVA Air
Find Deal
lun., abr. 20 - mar., abr. 28
EVA Air Logo
11:30 pm - 6:00 pmORD-GMP
27h 30m1 stop
EVA Air Logo
7:00 pm - 7:35 pmGMP-ORD
39h 35m1 stop
$1,093EVA Air
Find Deal
dom., ene. 11 - mar., feb. 3
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
$1,094EVA Air
Find Deal
dom., abr. 19 - mié., jun. 17

American Airlines flights from Chicago to Seoul

Our best American Airlines deals on Chicago to Seoul flight tickets
American Airlines
Dec 3
ORD8:45 pmChicago O'Hare Intl
29h 00m
1 stop
ICN4:45 pmIncheon Intl
Dec 10
ICN7:15 pmIncheon Intl
18h 03m
1 stop
ORD10:18 pmChicago O'Hare Intl
$915
Find similar
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
Nov 30
ORD12:44 amChicago O'Hare Intl
25h 01m
2 stops
ICN4:45 pmIncheon Intl
Dec 13
ICN7:15 pmIncheon Intl
26h 24m
2 stops
ORD6:39 amChicago O'Hare Intl
$920
Find similar

EVA Air flights from Chicago to Seoul

Our best EVA Air deals on Chicago to Seoul flight tickets
EVA Air
Apr 12
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Apr 15
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$951
Find similar
EVA Air
Apr 29
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Jun 1
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$958
Find similar
EVA Air
Mar 29
ORD12:30 amChicago O'Hare Intl
28h 15m
1 stop
ICN6:45 pmIncheon Intl
Apr 21
ICN12:00 pmIncheon Intl
23h 00m
1 stop
ORD9:00 pmChicago O'Hare Intl
$960
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 noviembre 13, 2025.
Use the filters below to find and compare flights from Chicago to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mié. 12/3

2:01 pm-5:40 am

1 stop24h 39m

Incheon Intl

mié. 12/10

6:55 pm-11:42 am

2 stops55h 47m

$833

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

mar. 12/2

4:58 pm-12:20 pm

3 stops28h 22m

Incheon Intl

mar. 12/9

1:20 pm-6:05 am

2 stops31h 45m

$858

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 2/23

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

lun. 3/9

1:45 pm-1:55 pm

1 stop38h 10m

$864

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

dom. 12/7

9:06 pm-4:20 pm

1 stop28h 14m

Incheon Intl

dom. 12/14

9:20 pm-6:21 am

2 stops24h 01m

$865

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 1/12

2:35 pm-1:55 pm

1 stop32h 20m

Incheon Intl

mar. 2/3

3:00 pm-12:55 pm

1 stop36h 55m

$866

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lun. 2/2

2:35 pm-9:25 pm

1 stop39h 50m

Incheon Intl

dom. 2/8

7:35 pm-12:55 pm

1 stop32h 20m

$868

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

dom. 4/5

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

mié. 4/22

8:20 pm-9:00 pm

1 stop38h 40m

$960

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

lun. 4/20

12:30 am-7:15 pm

1 stop28h 45m

Seoul Gimpo Intl

mar. 4/28

7:15 pm-9:00 pm

1 stop39h 45m

$962

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

dom. 1/11

11:30 pm-6:00 pm

1 stop27h 30m

Seoul Gimpo Intl

mar. 2/3

7:00 pm-7:35 pm

1 stop39h 35m

$1,093

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

dom. 4/19

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

mié. 6/17

8:20 pm-9:00 pm

1 stop38h 40m

$1,094

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 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 and Seoul?

What is the cheapest month to fly to Seoul?

The month of February is another great option to travel to Seoul, with average flight prices from Chicago averaging around $1,038.

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. 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 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 to Seoul flight route?

Fly from Chicago O'Hare Intl to Incheon Intl for the best Chicago - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,532 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from Chicago for as low as $1,332 on momondo.

What cabin class options are available on Chicago to Seoul flights?

There are 4 cabin classes available to choose from on Chicago 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 to Seoul flight prices changed over time?

As of November 2025, prices for Chicago to Seoul flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Seoul

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

Cheap Chicago to Seoul (CHI to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago 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 in the past 72 hours is $556. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $782.
The fastest flight from Chicago to Seoul takes 14h 30m
Direct flights go from Chicago to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
Search flight deals

  • How far is Chicago to Seoul by plane?

    A flight from Chicago to Seoul will travel around 6526.8 mi. Typically, this will take 17h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago to Seoul?

    Prices for flights from Chicago to Seoul refresh daily.

  • How many operators does momondo search for flights from Chicago to Seoul?

  • How old do you have to be to fly from Chicago to Seoul?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Seoul.

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

    The travel and health documents you'll need for your trip to Seoul 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 Seoul. 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 to Seoul?

  • What is the most popular airline from Chicago to Seoul?

Best airlines flying from Chicago to Seoul

Compare and see reviews for airlines that fly from Chicago to Seoul with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $194Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
Cathay PacificPriceFrom $639Free CancellationRating
7.6
1,058 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
4,043 reviews
Search Turkish Airlines flights
American AirlinesPriceFrom $926Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
EVA AirPriceFrom $1,015Free CancellationRating
8.4
1,276 reviews
Search EVA Air flights
Air CanadaPriceFrom $1,067Free CancellationRating
7.1
10,449 reviews
Search Air Canada flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
Korean AirPriceFrom $1,503Free CancellationRating
8.4
1,163 reviews
Search Korean Air flights

  • Korean Air Flights From Chicago to Seoul

    Korean Air is one of the most popular airlines flying from Chicago to Seoul, operating 7 flights/week on average for this route. A good Korean Air flight deal for Chicago to Seoul starts from $1,503 round-trip, up to an average price of $1,886. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 8,008 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Chicago 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?

It is quick and easy to find Chicago to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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

Flights from Chicago to Seoul with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Chicago and Seoul by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Chicago and alert you when they change.

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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