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$341+ Cheap flights from O'Hare Intl (ORD) to Seoul (SEL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEL
aug. 23 — aug. 301
lør. 8/23
lør. 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Seoul are usually found in September or March, booked 2 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from O'Hare Intl to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated august 18, 2025.

Round-trip from

$760
(Kiwi.com)

One-way from

$341
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,331

Good round-trip deal

$851 or less

Good one-way deal

$553 or less
From Chicago O'Hare Intl to Seoul (SEL)
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One-way flight from Chicago O'Hare Intl to Seoul (SEL)
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Highest demand for flights based on searches. 5% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Seoul (SEL).
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Price to beat on a one-way flight from Chicago O'Hare Intl to Seoul (SEL).
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Find flight deals from O'Hare Intl to Seoul

Cheapest flights from O'Hare Intl to Seoul
Explore the most affordable flight options available from O'Hare Intl to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on august 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 9/84:00 pmORD - ICN
1 stop30h 40mCathay Pacific
man. 9/158:05 pmICN - ORD
1 stop32h 20mCathay Pacific
Deal found 8/18$760
This Gurufare deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 11/92:40 pmORD - ICN
1 stop32h 15mCathay Pacific
tor. 11/137:35 pmICN - ORD
1 stop32h 25mCathay Pacific
Deal found 8/18$761
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 9/274:00 pmORD - ICN
1 stop30h 40mCathay Pacific
lør. 10/183:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 8/17$763
This Cathay Pacific deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
man. 9/84:00 pmORD - ICN
1 stop32h 05mCathay Pacific
lør. 9/203:10 pmICN - ORD
1 stop37h 15mCathay Pacific
Deal found 8/18$772
This Ovago deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 9/134:00 pmORD - ICN
1 stop32h 05mCathay Pacific
tor. 9/188:05 pmICN - ORD
1 stop32h 20mCathay Pacific
Deal found 8/16$777
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 8/234:00 pmORD - ICN
1 stop37h 05mCathay Pacific
lør. 9/1310:10 amICN - ORD
1 stop42h 15mCathay Pacific
Deal found 8/17$778
This Cathay Pacific deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lør. 11/82:40 pmORD - ICN
1 stop31h 05mCathay Pacific
lør. 11/221:50 pmICN - ORD
1 stop38h 10mCathay Pacific
Deal found 8/18$784
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 10/24:00 pmORD - ICN
1 stop39h 10mCathay Pacific
tor. 10/307:35 pmICN - ORD
1 stop32h 25mCathay Pacific
Deal found 8/17$802
This Gurufare deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tor. 10/24:00 pmORD - ICN
1 stop39h 10mCathay Pacific
tor. 10/91:40 pmICN - ORD
1 stop38h 45mCathay Pacific
Deal found 8/18$803
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 9/74:00 pmORD - ICN
1 stop32h 05mCathay Pacific
man. 9/158:05 pmICN - ORD
1 stop32h 20mCathay Pacific
Deal found 8/18$804
This Kiwi.com deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 9/74:00 pmORD - ICN
1 stop32h 05mCathay Pacific
søn. 9/148:05 pmICN - ORD
1 stop32h 20mCathay Pacific
Deal found 8/18$806
This Cathay Pacific deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
søn. 9/74:00 pmORD - ICN
1 stop37h 05mCathay Pacific
fre. 9/191:40 pmICN - ORD
1 stop38h 45mCathay Pacific
Deal found 8/18$814

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated august 18, 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

O'Hare Intl

Fly to

Seoul

Route

Depart

Return

Price

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

tir. 9/9

4:00 pm-7:05 pm

1 stop37h 05m

Incheon Intl

fre. 9/19

3:10 pm-2:25 pm

1 stop37h 15m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

tor. 9/11

4:00 pm-9:10 pm

1 stop39h 10m

Incheon Intl

lør. 9/20

1:40 pm-2:25 pm

1 stop38h 45m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

tor. 9/11

4:00 pm-2:05 pm

1 stop32h 05m

Incheon Intl

fre. 9/19

3:10 pm-2:25 pm

1 stop37h 15m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

ons. 9/10

4:00 pm-2:05 pm

1 stop32h 05m

Incheon Intl

lør. 9/20

3:10 pm-2:25 pm

1 stop37h 15m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

ons. 9/10

4:00 pm-12:40 pm

1 stop30h 40m

Incheon Intl

fre. 9/19

1:40 pm-2:25 pm

1 stop38h 45m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

man. 9/8

4:00 pm-2:05 pm

1 stop32h 05m

Incheon Intl

lør. 9/20

3:10 pm-2:25 pm

1 stop37h 15m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

man. 9/8

4:00 pm-2:05 pm

1 stop32h 05m

Incheon Intl

fre. 9/19

3:10 pm-2:25 pm

1 stop37h 15m

$772

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

søn. 11/9

2:40 pm-9:15 pm

1 stop39h 35m

Incheon Intl

lør. 11/22

1:50 pm-1:00 pm

1 stop38h 10m

$784

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

lør. 11/8

2:40 pm-1:55 pm

1 stop32h 15m

Incheon Intl

tor. 11/27

7:35 pm-1:00 pm

1 stop32h 25m

$784

ChicagoSeoul

ORD - GMP

ORDGMP

Chicago O'Hare Intl

søn. 9/7

12:30 am-6:10 pm

1 stop27h 40m

Seoul Gimpo Intl

ons. 9/24

8:20 pm-8:45 pm

1 stop38h 25m

$1,085

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 30 results
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The best insider tips for Chicago O'Hare Intl Airport to Seoul flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Seoul trip
Airports
ORD

For a smooth departure from ORD, use the "L" train to avoid traffic delays and reach the airport efficiently.

Read more about ORDby Ramsey Qubein
ICN

Take the AREX express train for a quick 40-50 minute ride from ICN to Seoul Station, with an in-town check-in facility available.

Read more about ICNby Gabriel Leigh
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from O'Hare Intl to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Seoul

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Seoul. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Seoul, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seoul?

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seoul (average of $992). Flying from Chicago O'Hare Intl Airport to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SEL?

Find hourly flight availability from O'Hare Intl to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated august 18, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Seoul is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 19% on airfare.

Weekly flight availability from Chicago O'Hare Intl Airport to Seoul

Explore weekly flight availability from O'Hare Intl to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated august 18, 2025.

The most flights from ORD to SEL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

What’s the top layover airport for flights from Chicago O'Hare Intl Airport to Seoul?

Share of 1-stop round-trip flights from Chicago O'Hare Intl Airport to Seoul chosen by Cheapflights users in the past 12 months, using the same layover each way.

Taipei City (TPE) – chosen by Cheapflights users on 67% of 1-stop itineraries from Chicago O'Hare Intl Airport to Seoul on Cheapflights.

What’s the cheapest layover airport for flights from Chicago O'Hare Intl Airport to Seoul?

Average round-trip fare for 1-stop flights from Chicago O'Hare Intl Airport to Seoul, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Hong Kong (HKG) is the most affordable 1-stop option, with an average round-trip price of $730.

What’s the fastest layover option from Chicago O'Hare Intl Airport to Seoul?

Shortest average travel time for 1-stop one-way flights from Chicago O'Hare Intl Airport to Seoul, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 17h 55m.

Which airport typically offers the quickest layover for flights from Chicago O'Hare Intl Airport to Seoul?

Average layover duration for 1-stop one-way flights from Chicago O'Hare Intl Airport to Seoul, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 1h 28m.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated august 18, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air, and Delta from Chicago O'Hare Intl Airport to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,232 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Korean Air
8.4
Very good
1,131 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Delta
8.0
Very good
7,981 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Turkish Airlines
7.3
Good
3,945 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
9,992 reviews
EVA Air
8.4
Very good
1,232 reviews

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago O'Hare Intl Airport to Seoul?

    Cathay Pacific and EVA Air can get you from Chicago O'Hare Intl Airport to Seoul in just under 27h 40m. Your travel time can differ by up to 9h 25m. There are 6517 mi between Chicago O'Hare Intl Airport and Seoul. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Seoul round-trip?

    According to our current data, Delta ($357), United Airlines ($660), and Cathay Pacific ($760) offers the cheapest pricing from Chicago O'Hare Intl Airport to Seoul. Delta is currently priced 75% below the average price you’ll pay for this route.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Seoul?

    No one likes to see their flight delayed. When booking a flight from Chicago O'Hare Intl Airport to Seoul consider choosing Delta (83%), Korean Air (69%) or Atlas Air (8%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Seoul?

    Looking at all options, your cheapest flight can be booked for $399. While the most popular route (Chicago O'Hare Intl - Incheon Intl) can be booked for $661 on average our data indicates $2,069 when flying from Chicago O'Hare Intl Airport to Seoul.

  • Can I find deals for flights from O'Hare Intl to Seoul that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Seoul.

  • Can I find deals for business class flights from O'Hare Intl to Seoul?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Seoul?

    Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seoul (average of $992). Flying from Chicago O'Hare Intl Airport to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from O'Hare Intl to Seoul

Discover the top 10 airlines that operate flights from O'Hare Intl to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated august 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$357Average$1,904FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$660Average$1,016FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$760Average$919FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$848Average$1,015FlexibilityNo cancel feeOn-time77%
Air CanadaCheapest$891Average$1,265FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$906Average$964FlexibilityNo cancel feeOn-time71%
EVA AirCheapest$1,085Average$1,349FlexibilityNo cancel feeOn-time74%
FinnairCheapest$1,110Average$1,375FlexibilityNo cancel feeOn-time76%
Asiana AirlinesCheapest$1,271Average$1,374FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,497Average$1,865FlexibilityNo cancel feeOn-time81%

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