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$82+ Cheap flights from Kansai Intl (KIX) 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEL
Sep 15 — Sep 221
Tue 9/15
Tue 9/22
1 adult, Economy
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Cheapflights Tip: The best prices from Osaka Kansai Intl to Seoul are usually found in September or July, booked 88 days in advance, depart on a Thursday or Monday and return on a Tuesday

Cheap flight deals from Kansai Intl to Seoul

Cheapest flights from Kansai Intl to Seoul
Explore the most affordable flight options available from Kansai Intl to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/97:40 pm -
Nonstop1h 55m
Tue 9/152:50 pm -
Nonstop2h 10m
Deal found 8/12$133
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:40 pm -
Nonstop1h 55m
Sat 9/123:20 pm -
Nonstop1h 40m
Deal found 8/12$134
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:40 pm -
Nonstop1h 55m
Sat 9/193:20 pm -
Nonstop1h 40m
Deal found 8/12$135
This Mytrip deal was found by Cheapflights users on 8/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:20 pm -
Nonstop1h 55m
Wed 9/161:55 pm -
Nonstop1h 45m
Deal found 8/12$137
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:05 pm -
Nonstop1h 55m
Wed 9/301:10 pm -
Nonstop1h 45m
Deal found 8/14$138
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:40 pm -
Nonstop1h 55m
Sun 9/67:40 am -
Nonstop1h 55m
Deal found 8/11$138
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Tue 9/86:15 pm -
Nonstop1h 55m
Wed 9/162:50 pm -
Nonstop2h 10m
Deal found 8/12$139
This CheapOair deal was found by Cheapflights users on 8/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:15 pm -
Nonstop1h 55m
Sat 9/123:20 pm -
Nonstop1h 40m
Deal found 8/12$141
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/94:05 pm -
Nonstop1h 55m
Tue 9/158:10 am -
Nonstop1h 50m
Deal found 8/12$142
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:55 pm -
Nonstop2h 00m
Mon 8/312:50 pm -
Nonstop2h 10m
Deal found 8/14$142
This CheapOair deal was found by Cheapflights users on 8/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:00 am -
Nonstop2h 00m
Thu 8/273:15 pm -
Nonstop1h 45m
Deal found 8/14$143
This CheapOair deal was found by Cheapflights users on 8/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:15 pm -
Nonstop1h 55m
Thu 9/310:20 am -
Nonstop1h 50m
Deal found 8/11$144

Find flight deals from Kansai Intl to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Kansai Intl (KIX) 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 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$132
(CheapOair)

One-way from

$82
(Jetabroad)

Popular in

March

Cheapest in

September

Average price

$190

Good round-trip deal

$115 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Osaka Kansai Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Osaka Kansai Intl-Seoul (SEL) flights.
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From Osaka Kansai Intl to Seoul (SEL)
Search Deals
One-way flight from Osaka Kansai Intl to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Osaka Kansai Intl to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from Osaka Kansai Intl to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansai 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 16, 2026.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Sat 9/12

7:55 pm-9:55 pm

Nonstop2h 00m

Incheon Intl

Sun 9/13

7:10 am-9:05 am

Nonstop1h 55m

$202

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Mon 10/12

1:35 pm-3:35 pm

Nonstop2h 00m

Incheon Intl

Wed 10/14

5:00 pm-6:55 pm

Nonstop1h 55m

$226

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Tue 12/1

8:50 am-11:00 am

Nonstop2h 10m

Incheon Intl

Thu 12/3

8:05 am-9:50 am

Nonstop1h 45m

$227

OsakaSeoul

KIX Osaka Kansai Intl - GMP Seoul Gimpo Intl

KIXGMP

Osaka Kansai Intl

Sat 9/5

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Wed 9/9

4:30 pm-6:25 pm

Nonstop1h 55m

$237
Quickest round-trip

OsakaSeoul

KIX Osaka Kansai Intl - GMP Seoul Gimpo Intl

KIXGMP

Osaka Kansai Intl

Fri 9/11

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Mon 9/21

9:15 am-10:55 am

Nonstop1h 40m

$238

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Wed 9/9

11:10 am-1:00 pm

Nonstop1h 50m

Incheon Intl

Tue 9/22

7:40 am-9:35 am

Nonstop1h 55m

$276

OsakaSeoul

KIX Osaka Kansai Intl - GMP Seoul Gimpo Intl

KIXGMP

Osaka Kansai Intl

Thu 9/24

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Mon 9/28

4:30 pm-6:25 pm

Nonstop1h 55m

$278

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Sun 11/22

11:25 pm-1:40 am

Nonstop2h 15m

Incheon Intl

Mon 11/23

8:00 am-9:50 am

Nonstop1h 50m

$327

OsakaIncheon

KIX Osaka Kansai Intl - ICN Incheon Intl

KIXICN

Osaka Kansai Intl

Fri 12/25

11:15 am-1:25 pm

Nonstop2h 10m

Incheon Intl

Tue 12/29

3:50 pm-5:50 pm

Nonstop2h 00m

$351

OsakaSeoul

KIX Osaka Kansai Intl - GMP Seoul Gimpo Intl

KIXGMP

Osaka Kansai Intl

Sat 9/12

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Sun 9/13

8:05 am-4:35 pm

1 stop8h 30m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 45 resultsSorted by cheapest first
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Compare providers for flights from Kansai Intl to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansai Intl to Seoul in August.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Osaka Kansai Intl Airport-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Osaka Kansai Intl Airport-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Osaka Kansai Intl Airport-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Osaka Kansai Intl Airport-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Osaka Kansai Intl Airport-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansai Intl to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Kansai 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 Osaka Kansai Intl Airport to Seoul

What is the cheapest month to book a flight from Osaka Kansai Intl Airport to Seoul?

Currently, July is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $171). Flying from Osaka Kansai Intl Airport to Seoul in February is currently the most expensive (average of $222). 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 KIX to SEL?

Find hourly flight availability from Kansai 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 16, 2026.

One of the essential ways to save on airfare from Osaka Kansai Intl Airport to Seoul is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 45% on airfare.

Weekly flight availability from Osaka Kansai Intl Airport to Seoul

Explore weekly flight availability from Kansai 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 16, 2026.

The most flights from KIX to SEL are scheduled on a Friday (81 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (67 on average).

How much does it cost to fly round-trip from Osaka Kansai Intl Airport to Seoul?

Airfare is below average for this route at the moment.
Osaka Kansai Intl Airport to Seoul flights typically cost between $161 and $218 in September.
The cheapest round-trip price found within the last 5 days was $132 on Multiple Airlines (Sep 9-Sep 12).

How often are flights from Osaka to Seoul delayed?

About 4% of weekly flights between Osaka and Seoul have experienced delays in the past year, with the average delay time being 101 minutes.

What is the most punctual flight time for Osaka to Seoul flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Osaka to Seoul flights?

Over the last year, Peach have had the lowest number of delays on this route, with just 2% of flights being delayed.

How far ahead should I book a flight from Osaka Kansai Intl Airport to Seoul?

To ensure you get the cheapest price possible for a flight from Osaka Kansai Intl Airport to Seoul, you should look to book at least 87 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 day to fly from Osaka Kansai Intl Airport to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Kansai Intl to Seoul. Price data was last updated on August 15, 2026.

Travelers seeking maximum savings on their Osaka Kansai Intl Airport to Seoul flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Osaka Kansai Intl Airport to Seoul flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Osaka Kansai Intl Airport to Seoul trip
Our travel experts
Charles Usher

Charles Usher

Expert on Jin Air

Charles Usher is a writer and editor specializing in South Korea, East Asia, and the American Midwest. He lives in Milwaukee, Wisconsin. The dog is Bono. His work has appeared in Travel + Leisure, Lonely Planet, and other publications. He lives in Milwaukee, Wisconsin.

Read more
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more

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 16, 2026.
Peruse reviews from past customers who have flown with Asiana Airlines,Jeju Air, andPeach from Osaka Kansai 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.
Asiana Airlines
8.1
Very good
557 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

8.0

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Asiana Airlines
8.1
Very good
557 reviews
Asiana Airlines
8.1
Very good
557 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

8.0

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Jeju Air
7.6
Good
38 reviews
Asiana Airlines
8.1
Very good
557 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

8.0

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.
Peach
6.9
Okay
85 reviews
Asiana Airlines
8.1
Very good
557 reviews

Crew

8.5

Boarding

8.3

Comfort

8.0

Food

8.0

Overall

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

SFO - ICN

Crew does their job without pleasantness. Could be cultural. Chinese airlines are the same. Our connecting flight to Bangkok on an Airbus A321 was miserable in economy. No leg room, again awful food.

Related info for your journey

Find useful and relevant information for your journey from Kansai 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 Osaka Kansai Intl Airport to Seoul?

    For as low as $238, Jeju Air can have you in Seoul from Osaka Kansai Intl Airport in 1h 55m. There are 518 mi between Osaka Kansai Intl Airport and Seoul. Most flights are nonstop.

  • What are the cheapest airlines flying from Osaka Kansai Intl Airport to Seoul round-trip?

    Peach, at $80, was found to be the cheapest airline from Osaka Kansai Intl Airport to Seoul.Alternate airlines to your destination round-trip include Air Seoul and Jeju Air. Peach is priced at 57% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Osaka Kansai Intl Airport to Seoul one-way?

    To fly one-way, consider booking your trip with Peach, which is currently one of the cheapest options available, starting at $59. Air Seoul flights start at $65 while deals on T'way Air start at $66 one-way.

  • What are the most reliable airlines from Osaka Kansai Intl Airport to Seoul?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Osaka Kansai Intl Airport to Seoul on time: Aero K (99%), Air Busan (98%), ANA (97%).

  • What are the cheapest flights from Osaka Kansai Intl Airport to Seoul?

    The cheapest flight price from Osaka Kansai Intl Airport to Seoul is $78. On average you can expect to pay $233. The most popular route, (Osaka Kansai Intl - Seoul Gimpo Intl), can usually be booked for $157.

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

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

  • How can I find direct flights from Kansai Intl to Seoul?

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

  • Can I find deals for business class flights from Kansai Intl to Seoul?

    Yes. Cheapflights offers flight deals from Kansai 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 Osaka Kansai Intl Airport to Seoul?

    Currently, July is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $171). Flying from Osaka Kansai Intl Airport to Seoul in February is currently the most expensive (average of $222). 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 Kansai Intl to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Kansai Intl to Gimpo Intl flights
Kansai Intl to Incheon Intl flights

Top 4 airlines flying from Kansai Intl to Seoul

Discover the top 4 airlines that operate flights from Kansai 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
PeachCheapest$80Average$178FlexibilityNo cancel feeOn-time72%
Air SeoulCheapest$109Average$161FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$109Average$169FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$184Average$244FlexibilityNo cancel feeOn-time76%

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