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$419+ Cheap flights from Columbus (CMH) to South Korea

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ICN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Columbus to South Korea

Keep the following information in mind while searching for Columbus to South Korea flight deals. Data was last updated September 11, 2025.

Round-trip from

$752
(Kiwi.com)

One-way from

$564
(Delta)

Popular in

December

Cheapest in

August

Average price

$1,600
From Columbus to South Korea
Search Deals
One-way flight from Columbus to South Korea
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($615 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($110 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Columbus to South Korea

Cheapest flights from Columbus to South Korea
Explore the most affordable flight options available from Columbus to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:42 amCMH - ICN
1 stop42h 03mMultiple Airlines
Fri 10/248:45 pmICN - CMH
2 stops38h 49mMultiple Airlines
Deal found 9/9$752
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:42 amCMH - ICN
1 stop42h 03mMultiple Airlines
Thu 10/238:45 pmICN - CMH
2 stops28h 11mMultiple Airlines
Deal found 9/9$756
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/268:42 amCMH - ICN
1 stop42h 28mMultiple Airlines
Sun 11/28:35 pmICN - CMH
2 stops36h 38mMultiple Airlines
Deal found 9/11$758
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/36:54 amCMH - ICN
1 stop22h 41mAlaska Airlines
Sat 11/18:35 pmICN - CMH
1 stop34h 53mAlaska Airlines
Deal found 9/9$763
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:42 amCMH - ICN
1 stop42h 03mMultiple Airlines
Sun 10/269:15 pmICN - CMH
2 stops34h 58mMultiple Airlines
Deal found 9/9$796
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:42 amCMH - ICN
1 stop42h 03mMultiple Airlines
Wed 10/226:20 pmICN - CMH
2 stops41h 14mMultiple Airlines
Deal found 9/9$826
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:00 amCMH - ICN
1 stop19h 30mAmerican Airlines
Thu 10/235:45 pmICN - CMH
1 stop17h 20mAmerican Airlines
Deal found 9/9$832
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:38 amCMH - ICN
1 stop20h 52mAmerican Airlines
Fri 10/315:55 pmICN - CMH
2 stops28h 27mAmerican Airlines
Deal found 9/9$837
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:26 amCMH - ICN
2 stops29h 14mUnited Airlines
Thu 12/116:00 pmICN - CMH
2 stops19h 34mUnited Airlines
Deal found 9/11$847
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/15:30 pmCMH - ICN
1 stop21h 50mUnited Airlines
Sat 10/2511:30 amICN - CMH
1 stop17h 51mUnited Airlines
Deal found 9/11$848
This Fareboom deal was found by Cheapflights users on 9/9. 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 Fareboom is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amCMH - GMP
2 stops25h 05mJapan Airlines
Thu 12/48:00 amGMP - CMH
2 stops24h 00mJapan Airlines
Deal found 9/9$921
This FlightHub deal was found by Cheapflights users on 9/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:31 amCMH - GMP
2 stops25h 34mJapan Airlines
Sat 12/138:00 amGMP - CMH
2 stops23h 31mJapan Airlines
Deal found 9/11$1,116

Cheapflights Fare Finder

 
Customize your flight search to find flights from Columbus to South Korea 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 September 11, 2025.
Use the filters below to find and compare flights from Columbus Airport to South Korea that are best for you.

Fly from

Columbus

Fly to

South Korea

Route

Depart

Return

Price

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Sun 10/26

8:42 am-4:10 pm

1 stop42h 28m

Incheon Intl

Sun 11/2

8:35 pm-7:13 pm

2 stops36h 38m

$758

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Fri 10/3

6:54 am-6:35 pm

1 stop22h 41m

Incheon Intl

Sat 11/1

8:35 pm-6:28 pm

1 stop34h 53m

$763

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Mon 12/1

9:59 pm-4:45 pm

2 stops28h 46m

Incheon Intl

Thu 12/11

6:50 pm-12:20 am

1 stop19h 30m

$847

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Mon 12/1

10:26 am-5:40 am

2 stops29h 14m

Incheon Intl

Thu 12/11

6:00 pm-11:34 pm

2 stops19h 34m

$847

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Wed 10/1

11:15 am-4:20 am

2 stops28h 05m

Incheon Intl

Sat 10/25

11:30 am-4:21 pm

1 stop17h 51m

$848

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Mon 9/29

8:15 am-3:20 pm

1 stop18h 05m

Incheon Intl

Sun 10/5

4:25 pm-10:03 pm

1 stop18h 38m

$856

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Wed 9/17

6:08 am-4:25 pm

1 stop21h 17m

Incheon Intl

Fri 9/26

7:40 pm-11:05 pm

1 stop16h 25m

$856

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Sun 9/14

7:40 am-3:00 pm

1 stop18h 20m

Incheon Intl

Sun 9/21

11:30 am-4:08 pm

1 stop17h 38m

$856

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Wed 9/17

8:15 am-3:20 pm

1 stop18h 05m

Incheon Intl

Mon 9/22

4:25 pm-8:55 pm

1 stop17h 30m

$856

ColumbusSeoul

CMH - GMP

CMHGMP

Columbus

Mon 11/24

7:00 am-10:05 pm

2 stops25h 05m

Seoul Gimpo Intl

Thu 12/4

8:00 am-6:00 pm

2 stops24h 00m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 39 results
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Best time to book a flight from Columbus to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Columbus 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 Columbus Airport to South Korea

What is the cheapest month to book a flight from Columbus Airport to South Korea?

Currently, February is the cheapest month in which you can book a flight from Columbus Airport to South Korea (average of $990). Flying from Columbus Airport to South Korea in December is currently the most expensive (average of $1,633). 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 CMH to KR?

Find hourly flight availability from Columbus to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Columbus Airport to South Korea as you normally would.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated September 11, 2025.
See what other customers who have flown with Korean Air, Japan Airlines, and Delta from Columbus Airport to South Korea have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Japan Airlines
8.3
Very good
1,559 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,960 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,937 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Columbus to South Korea. 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 Columbus Airport to South Korea?

    Departing from Columbus Airport to South Korea will take you 22h 41m. Airlines will cover a distance of 6767 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Columbus Airport to South Korea one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $419. Alaska Airlines flights start at $419 while deals on Japan Airlines start at $589 one-way.

  • What are the most popular routes from Columbus Airport to South Korea?

    The most popular flight routes from Columbus Airport to South Korea are Columbus - Incheon Intl, Columbus - Seoul Gimpo Intl and Columbus - Busan Gimhae.

  • Can I find deals for flights from Columbus to South Korea that include hotel bookings?

    Yes. In addition to deals on Columbus to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Columbus to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Columbus to South Korea.

  • Can I find deals for business class flights from Columbus to South Korea?

    Yes. Cheapflights offers flight deals from Columbus to South Korea 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 Columbus Airport to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Columbus Airport to South Korea (average of $990). Flying from Columbus Airport to South Korea in December is currently the most expensive (average of $1,633). 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

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Alternative routes for Columbus to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Columbus to South Korea

Discover the top 6 airlines that operate flights from Columbus to South Korea. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$837Average$1,182FlexibilityNo cancel feeOn-time67%
DeltaCheapest$856Average$1,422FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$886Average$1,377FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$927Average$1,394FlexibilityNo cancel feeOn-time71%
Korean AirCheapest$1,128Average$1,156FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$1,204Average$1,290FlexibilityNo cancel feeOn-time79%

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