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Cheap flights from Chicago to Seoul from $392

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 9/27. 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

Cathay Pacific Logo
4:00 pm - 2:05 pmORD-ICN
32h 05m1 stop
Cathay Pacific Logo
10:10 am - 2:25 pmICN-ORD
42h 15m1 stop
$735Cathay Pacific
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Tue, Aug 26 - Tue, Sep 2
Cathay Pacific Logo
4:00 pm - 9:10 pmORD-ICN
39h 10m1 stop
Cathay Pacific Logo
10:10 am - 2:25 pmICN-ORD
42h 15m1 stop
$738Cathay Pacific
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Tue, Aug 26 - Tue, Sep 2
Logo
5:30 pm - 6:45 pmORD-ICN
35h 15m1 stop
Logo
10:05 pm - 4:49 amICN-ORD
20h 44m2 stops
$879
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Sun, Sep 7 - Mon, Sep 15
Logo
6:20 pm - 6:45 pmORD-ICN
34h 25m2 stops
Logo
5:45 pm - 10:18 amICN-ORD
30h 33m2 stops
$892
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Wed, Sep 17 - Tue, Sep 23
EVA Air Logo
12:30 am - 12:50 pmORD-GMP
22h 20m1 stop
EVA Air Logo
8:20 pm - 8:45 pmGMP-ORD
38h 25m1 stop
$1,087EVA Air
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Wed, Aug 27 - Wed, Sep 10
EVA Air Logo
12:30 am - 6:00 pmORD-GMP
27h 30m1 stop
EVA Air Logo
8:15 pm - 7:35 pmGMP-ORD
38h 20m1 stop
$1,126EVA Air
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Sun, Oct 26 - Wed, Mar 4
Korean Air Logo
9:15 am - 5:20 pmMDW-ICN
18h 05m1 stop
Korean Air Logo
10:15 am - 12:28 pmICN-MDW
16h 13m1 stop
$1,654Korean Air
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Tue, Aug 26 - Tue, Sep 2
Korean Air Logo
9:30 am - 4:25 pmMDW-ICN
16h 55m1 stop
Korean Air Logo
10:15 am - 12:28 pmICN-MDW
16h 13m1 stop
$1,656Korean Air
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Thu, Aug 28 - Thu, Sep 4
Delta Logo
4:25 pm - 4:00 amMDW-ICN
21h 35m1 stop
Delta Logo
10:15 am - 12:28 pmICN-MDW
16h 13m1 stop
$1,796Delta
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Thu, Aug 28 - Thu, Sep 4
Delta Logo
6:45 pm - 3:30 pmMDW-ICN
30h 45m1 stop
Delta Logo
5:50 pm - 9:44 pmICN-MDW
18h 54m1 stop
$1,802Delta
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Sun, Oct 26 - Wed, Nov 26

Cathay Pacific flights from Chicago to Seoul

Our best Cathay Pacific deals on Chicago to Seoul flight tickets
Cathay Pacific
Aug 26
ORD4:00 pmChicago O'Hare Intl
32h 05m
1 stop
ICN2:05 pmIncheon Intl
Sep 2
ICN10:10 amIncheon Intl
42h 15m
1 stop
ORD2:25 pmChicago O'Hare Intl
$735
Find similar
Cathay Pacific
Aug 26
ORD4:00 pmChicago O'Hare Intl
39h 10m
1 stop
ICN9:10 pmIncheon Intl
Sep 2
ICN10:10 amIncheon Intl
42h 15m
1 stop
ORD2:25 pmChicago O'Hare Intl
$738
Find similar
Cathay Pacific
Aug 21
ORD4:00 pmChicago O'Hare Intl
37h 05m
1 stop
ICN7:05 pmIncheon Intl
Sep 1
ICN3:10 pmIncheon Intl
37h 15m
1 stop
ORD2:25 pmChicago O'Hare Intl
$759
Find similar

WestJet flights from Chicago to Seoul

Our best WestJet deals on Chicago to Seoul flight tickets
WestJet
Sep 9
ORD5:30 pmChicago O'Hare Intl
35h 15m
1 stop
ICN6:45 pmIncheon Intl
Oct 9
ICN8:45 pmIncheon Intl
53h 54m
2 stops
ORD12:39 pmChicago O'Hare Intl
$914
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WestJet
Oct 3
MDW9:20 amChicago Midway
19h 25m
2 stops
ICN6:45 pmIncheon Intl
Oct 11
ICN8:45 pmIncheon Intl
27h 06m
2 stops
MDW9:51 amChicago Midway
$1,624
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WestJet
Oct 12
MDW9:20 amChicago Midway
19h 25m
2 stops
ICN6:45 pmIncheon Intl
Oct 23
ICN8:45 pmIncheon Intl
27h 06m
2 stops
MDW9:51 amChicago Midway
$1,831
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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 October is another great option to travel to Seoul, with average flight prices from Chicago averaging around $1,206.

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. The lowest ticket price found for a Monday departure recently was $1,081. 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 $1,380.

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 $1,182 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 $1,534 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 $1,302 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 July 2025, prices for Chicago to Seoul flights are approximately 35% 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

$392

Fastest flight time

16h 50m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from Chicago in the past 72 hours is $392. The best round-trip flight deal from Chicago to Seoul found on momondo in the last 72 hours is $735.
The fastest flight from Chicago to Seoul takes 16h 50m
Direct flights go from Chicago to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)
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  • How far is Chicago to Seoul by plane?

    A flight from Chicago to Seoul will travel around 6526.8 mi. Typically, this will take 16h 50m 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
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,858 reviews
Search United Airlines flights
Cathay PacificPriceFrom $805Free CancellationRating
7.6
933 reviews
Search Cathay Pacific flights
Turkish AirlinesPriceFrom $848Free CancellationRating
7.3
3,901 reviews
Search Turkish Airlines flights
Air CanadaPriceFrom $891Free CancellationRating
7.1
9,725 reviews
Search Air Canada flights
American AirlinesPriceFrom $906Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
EVA AirPriceFrom $1,079Free CancellationRating
8.4
1,214 reviews
Search EVA Air flights
FinnairPriceFrom $1,110Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Asiana AirlinesPriceFrom $1,271Free CancellationRating
8.2
454 reviews
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DeltaPriceFrom $1,271Free CancellationRating
8.0
7,956 reviews
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Korean AirPriceFrom $1,512Free CancellationRating
8.4
1,109 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 $1,512 round-trip, up to an average price of $1,856. Our users have rated Korean Air at 8.4/10.

  • Delta Flights From Chicago to Seoul

    Across 7,956 Delta reviews on momondo, the average score is 8.0/10. Delta flies from Chicago to Seoul about 7 times each week, with ticket deals ranging from $1,271 to $1,883. 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.

An easier way to manage your Seoul trip

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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