$433 Cheap Flights from Columbus (CMH) to Seoul (ICN)

View $433 flight on Sun, Feb 22, 2026Opens in a new window

Popular airlines from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)

Cheap Flights from Columbus to Seoul (CMH-ICN)

Prices were available within the past 7 days and start at $433 for one-way flights and $761 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Jan 8 - Thu, Jan 22
CMH
Columbus
ICN
Seoul
$761 Roundtrip, found 6 days ago
$761
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Thu, Jan 8 from Columbus to Seoul, returning Thu, Jan 22, priced at $761 found 6 days ago
Delta
Thu, Jan 1 - Sat, Jan 17
CMH
Columbus
ICN
Seoul
$846 Roundtrip, found 11 hours ago
$846
Roundtrip
found 11 hours ago
Select Delta flight, departing Thu, Jan 1 from Columbus to Seoul, returning Sat, Jan 17, priced at $846 found 11 hours ago
United
Sat, Jan 10 - Sun, Jan 18
CMH
Columbus
ICN
Seoul
$850 Roundtrip, found 4 hours ago
$850
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Jan 10 from Columbus to Seoul, returning Sun, Jan 18, priced at $850 found 4 hours ago
American Airlines
Thu, Feb 12 - Thu, Feb 26
CMH
Columbus
ICN
Seoul
$851 Roundtrip, found 2 days ago
$851
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Feb 12 from Columbus to Seoul, returning Thu, Feb 26, priced at $851 found 2 days ago
Delta
Thu, Feb 12 - Thu, Feb 26
CMH
Columbus
ICN
Seoul
$851 Roundtrip, found 2 days ago
$851
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Feb 12 from Columbus to Seoul, returning Thu, Feb 26, priced at $851 found 2 days ago
Alaska Airlines
Wed, Sep 2 - Wed, Sep 16
CMH
Columbus
ICN
Seoul
$855 Roundtrip, found 17 hours ago
$855
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Wed, Sep 2 from Columbus to Seoul, returning Wed, Sep 16, priced at $855 found 17 hours ago
United
Sun, Jan 11 - Mon, Jan 19
CMH
Columbus
ICN
Seoul
$856 Roundtrip, found 2 days ago
$856
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 11 from Columbus to Seoul, returning Mon, Jan 19, priced at $856 found 2 days ago
Delta
Tue, Jan 20 - Fri, Jan 23
CMH
Columbus
ICN
Seoul
$857 Roundtrip, found 1 day ago
$857
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 20 from Columbus to Seoul, returning Fri, Jan 23, priced at $857 found 1 day ago
Delta
Mon, Jan 12 - Mon, Jan 26
CMH
Columbus
ICN
Seoul
$857 Roundtrip, found 4 days ago
$857
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Jan 12 from Columbus to Seoul, returning Mon, Jan 26, priced at $857 found 4 days ago
Hawaiian Airlines
Wed, Jan 28 - Sat, Feb 7
CMH
Columbus
ICN
Seoul
$862 Roundtrip, found 3 days ago
$862
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Columbus to Seoul, returning Sat, Feb 7, priced at $862 found 3 days ago

Find the cheapest month to fly from Columbus (CMH) to Seoul (ICN)

January is typically the cheapest month to fly

From $752 - $2,306 per traveler.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $4,926
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $4,926
Flights from Columbus (CMH) to Seoul (ICN)
Origin airport
John Glenn Columbus Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Cathay Pacific, Delta, Hawaiian Airlines, Korean Air, United
Roundtrip price
$761
Distance
6770 mi

Columbus to Seoul Flights

The cheapest times to fly from Columbus to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Columbus to Seoul are during the month of January. You can find some of the cheapest flights from Columbus to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Columbus to Seoul

Sunday is one of the best days to book for cheap flights from Columbus to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Columbus to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Columbus to Seoul in 2026. You can also book with separate airlines for your outbound and return journeys, from $433 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Columbus to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Columbus to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN) cost?
Secure a cheap one-way flight from $433 or cheap return flight from $761 from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)?
The cheapest month to fly from CMH to ICN is January, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
What is the cheapest airline that flies from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)?
To find the cheapest airline flying from CMH to ICN, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)?
Direct flights from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CMH to ICN?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)?
Choose a flight from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN) last-minute?
Holding off until right before your break to book your flight from CMH to ICN often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book a CMH to ICN flight and hotel package?
You'll typically save money by securing a CMH to ICN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from John Glenn Columbus Intl. Airport (CMH) to Incheon Intl. Airport (ICN)?
In most cases, you can reschedule or cancel your CMH to ICN flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you need more information, head to our Customer Service portal.

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*Available to One Key members.