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South Korea

$386+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CMH — ICN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Round-trip from

$758
(Alaska Airlines)

One-way from

$386
(United Airlines)

Popular in

November

Cheapest in

February

Average price

$1,243
From Columbus to South Korea
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One-way flight from Columbus to South Korea
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Highest demand for flights based on searches. 14% potential increase in price ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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 12/14:35 pmCMH - ICN
2 stops23h 05mUnited Airlines
Thu 12/1112:45 pmICN - CMH
2 stops20h 18mUnited Airlines
Deal found 10/28$796
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/87:00 amCMH - ICN
1 stop19h 15mUnited Airlines
Wed 11/1212:45 pmICN - CMH
1 stop22h 10mUnited Airlines
Deal found 10/27$800
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 12/19:59 pmCMH - ICN
2 stops28h 46mAmerican Airlines
Thu 12/117:15 pmICN - CMH
2 stops28h 49mAmerican Airlines
Deal found 10/27$843
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:10 amCMH - ICN
1 stop20h 40mDelta
Thu 11/137:25 pmICN - CMH
1 stop18h 49mDelta
Deal found 10/27$846
This Fareboom deal was found by Cheapflights users on 10/26. 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.
Wed 12/102:31 pmCMH - GMP
2 stops30h 24mJapan Airlines
Wed 12/177:40 pmGMP - CMH
2 stops32h 55mJapan Airlines
Deal found 10/26$882
This American Airlines deal was found by Cheapflights users on 10/26. 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.
Wed 12/107:00 amCMH - ICN
1 stop19h 45mAmerican Airlines
Wed 12/177:15 pmICN - CMH
2 stops29h 09mAmerican Airlines
Deal found 10/26$1,079
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:30 amCMH - ICN
1 stop18h 55mAir Canada
Sun 11/236:55 pmICN - CMH
2 stops40h 01mAir Canada
Deal found 10/27$1,093
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/119:30 amCMH - ICN
2 stops41h 40mAir Canada
Thu 12/186:55 pmICN - CMH
2 stops40h 01mAir Canada
Deal found 10/27$1,101
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:03 amCMH - GMP
2 stops26h 02mJapan Airlines
Thu 11/138:00 amGMP - CMH
2 stops23h 30mJapan Airlines
Deal found 10/27$1,110
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/115:00 amCMH - ICN
1 stop21h 45mAmerican Airlines
Thu 12/187:15 pmICN - CMH
1 stop19h 01mAmerican Airlines
Deal found 10/27$1,113
This Japan Airlines deal was found by Cheapflights users on 10/27. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:04 amCMH - GMP
2 stops48h 01mJapan Airlines
Wed 11/512:05 pmGMP - CMH
2 stops43h 33mJapan Airlines
Deal found 10/27$1,468
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:25 amCMH - GMP
2 stops36h 30mJapan Airlines
Thu 12/188:00 amGMP - CMH
2 stops25h 29mJapan Airlines
Deal found 10/27$1,516

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 October 28, 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 3/29

6:25 pm-6:35 pm

1 stop35h 10m

Incheon Intl

Thu 4/9

8:35 pm-5:13 pm

1 stop33h 38m

$768

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Wed 3/18

6:25 pm-6:35 pm

1 stop35h 10m

Incheon Intl

Wed 4/15

8:35 pm-5:13 pm

1 stop33h 38m

$768

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Mon 12/1

4:35 pm-5:40 am

2 stops23h 05m

Incheon Intl

Thu 12/11

12:45 pm-7:03 pm

2 stops20h 18m

$796

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Sat 11/8

7:00 am-4:15 pm

1 stop19h 15m

Incheon Intl

Wed 11/12

12:45 pm-8:55 pm

1 stop22h 10m

$800

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Fri 3/27

6:25 pm-6:35 pm

1 stop35h 10m

Incheon Intl

Thu 4/9

8:35 pm-5:13 pm

1 stop33h 38m

$819

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Tue 2/10

6:00 am-3:50 pm

1 stop19h 50m

Incheon Intl

Tue 3/10

7:40 pm-11:02 pm

1 stop16h 22m

$846

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Thu 2/12

6:25 am-4:50 pm

1 stop20h 25m

Incheon Intl

Tue 3/10

7:25 pm-11:57 pm

1 stop17h 32m

$846

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Mon 12/1

7:46 pm-4:45 pm

1 stop30h 59m

Incheon Intl

Thu 12/11

7:15 pm-10:04 am

2 stops28h 49m

$847

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Sat 2/14

2:25 pm-5:40 am

2 stops25h 15m

Incheon Intl

Sat 3/7

6:00 pm-11:56 pm

1 stop19h 56m

$850

ColumbusIncheon

CMH - ICN

CMHICN

Columbus

Wed 2/11

1:22 pm-5:40 am

2 stops26h 18m

Incheon Intl

Sun 3/8

11:45 am-10:23 pm

2 stops24h 38m

$850

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 33 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, November is the cheapest month in which you can book a flight from Columbus Airport to South Korea (average of $518). Flying from Columbus Airport to South Korea in July is currently the most expensive (average of $1,197). 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 October 28, 2025.

One of the essential ways to save on airfare from Columbus Airport to South Korea is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.

What is the cheapest day to fly from Columbus Airport to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Columbus to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Columbus Airport to South Korea flight should consider departing on Wednesday evenings when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 28, 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
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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
1,595 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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
7.9
Good
7,994 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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
9,001 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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
10,371 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Food

8.1

Entertainment

8.2

Comfort

8.3

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 59m. Airlines will cover a distance of 6752 mi. This flight may include one or multiple stops.

  • 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, November is the cheapest month in which you can book a flight from Columbus Airport to South Korea (average of $518). Flying from Columbus Airport to South Korea in July is currently the most expensive (average of $1,197). 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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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$837Average$1,182FlexibilityNo cancel feeOn-time67%
DeltaCheapest$855Average$1,243FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$884Average$1,273FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$886Average$1,270FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$1,120Average$1,158FlexibilityNo cancel feeOn-time81%
Japan AirlinesCheapest$1,204Average$1,290FlexibilityNo cancel feeOn-time79%

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