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$65+ 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 7/17. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEL
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Osaka Kansai Intl to Seoul are usually found in June or July, booked 41 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap 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 junio 12, 2025.

Round-trip from

$103
(Booking.com)

One-way from

$65
(Jeju Air)

Popular in

December

Cheapest in

June

Average price

$153

Good round-trip deal

$125 or less

Good one-way deal

$94 or less
From Osaka Kansai Intl to Seoul (SEL)
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One-way flight from Osaka Kansai Intl to Seoul (SEL)
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Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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).
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Find 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 junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/114:15 pmKIX - ICN
Nonstop2h 10mAir Seoul
mié. 7/167:15 amICN - KIX
Nonstop1h 50mAir Seoul
Deal found 6/9$103
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/116:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
lun. 7/148:00 amICN - KIX
Nonstop2h 05mMultiple Airlines
Deal found 6/11$104
This CheapOair deal was found by Cheapflights users on 6/12. 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.
jue. 7/311:35 amKIX - ICN
Nonstop1h 55mT'way Air
dom. 7/68:00 amICN - KIX
Nonstop2h 05mT'way Air
Deal found 6/12$115
This Mytrip deal was found by Cheapflights users on 6/12. 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.
jue. 7/2412:25 pmKIX - ICN
Nonstop1h 55mPeach
jue. 7/249:00 pmICN - KIX
Nonstop1h 50mPeach
Deal found 6/12$121
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/910:25 amKIX - GMP
Nonstop1h 55mMultiple Airlines
jue. 7/102:00 pmGMP - KIX
Nonstop1h 40mMultiple Airlines
Deal found 6/12$124
This Eastar Jet deal was found by Cheapflights users on 6/12. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/212:10 pmKIX - ICN
Nonstop1h 50mEastar Jet
mar. 7/83:15 pmICN - KIX
Nonstop1h 45mEastar Jet
Deal found 6/12$127
This Jeju Air deal was found by Cheapflights users on 6/10. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/111:50 amKIX - ICN
Nonstop2h 00mJeju Air
dom. 7/67:10 amICN - KIX
Nonstop1h 50mJeju Air
Deal found 6/10$130
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
jue. 6/264:30 pmKIX - GMP
Nonstop2h 00mJeju Air
mié. 7/22:00 pmGMP - KIX
Nonstop1h 40mJeju Air
Deal found 6/10$133
This Jin Air deal was found by Cheapflights users on 6/10. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/2211:00 amKIX - ICN
Nonstop1h 50mJin Air
mar. 6/244:05 pmICN - KIX
Nonstop1h 55mJin Air
Deal found 6/10$143
This Mytrip deal was found by Cheapflights users on 6/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/2410:25 amKIX - GMP
Nonstop1h 55mPeach
mié. 6/251:05 pmGMP - KIX
Nonstop1h 45mPeach
Deal found 6/9$150
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
dom. 8/106:35 pmKIX - ICN
Nonstop2h 20mAir Busan
mié. 8/209:15 amICN - KIX
Nonstop2h 15mAir Busan
Deal found 6/12$165
This oojo deal was found by Cheapflights users on 6/10. 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.
mié. 6/1111:10 amKIX - GMP
Nonstop2h 00mAsiana Airlines
mar. 6/175:40 pmGMP - KIX
Nonstop1h 40mAsiana Airlines
Deal found 6/10$200

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 junio 12, 2025.
Use the filters below to find and compare flights from Osaka Kansai Intl Airport to Seoul that are best for you.

Fly from

Kansai Intl

Fly to

Seoul

Route

Depart

Return

Price

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

vie. 7/11

4:15 pm-6:25 pm

Nonstop2h 10m

Incheon Intl

mié. 7/16

7:15 am-9:05 am

Nonstop1h 50m

$103

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

vie. 7/11

6:15 pm-8:10 pm

Nonstop1h 55m

Incheon Intl

lun. 7/14

8:00 am-10:05 am

Nonstop2h 05m

$104

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

jue. 7/3

11:35 am-1:30 pm

Nonstop1h 55m

Incheon Intl

dom. 7/6

8:00 am-10:05 am

Nonstop2h 05m

$115

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

jue. 7/24

12:25 pm-2:20 pm

Nonstop1h 55m

Incheon Intl

jue. 7/24

9:00 pm-10:50 pm

Nonstop1h 50m

$121

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

mié. 7/9

10:25 am-12:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

jue. 7/10

2:00 pm-3:40 pm

Nonstop1h 40m

$124

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

mié. 7/2

12:10 pm-2:00 pm

Nonstop1h 50m

Incheon Intl

mar. 7/8

3:15 pm-5:00 pm

Nonstop1h 45m

$127

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

mar. 7/1

11:50 am-1:50 pm

Nonstop2h 00m

Incheon Intl

dom. 7/6

7:10 am-9:00 am

Nonstop1h 50m

$130

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

jue. 6/26

4:30 pm-6:30 pm

Nonstop2h 00m

Seoul Gimpo Intl

mié. 7/2

2:00 pm-3:40 pm

Nonstop1h 40m

$133

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

dom. 6/22

11:00 am-12:50 pm

Nonstop1h 50m

Incheon Intl

mar. 6/24

4:05 pm-6:00 pm

Nonstop1h 55m

$143

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

mar. 6/24

10:25 am-12:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

mié. 6/25

1:05 pm-2:50 pm

Nonstop1h 45m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 40 results
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The best insider tips for Osaka Kansai 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 Osaka Kansai Intl Airport to Seoul trip
Airlines
Jin Air

Jin Air offers free checked baggage up to 15 kg and a carry-on up to 10 kg.


Benefit from a 10% discount on portable Wi-Fi rental with Wi-Fi Dosirak.

Read more about Jin Airby Charles Usher
Asiana Airlines

Enjoy extra legroom in economy with seats 33” apart and USB power outlets.


Business class offers direct aisle access with 22” wide seats and 18.5” screens.

Read more about Asiana Airlinesby Marisa Garcia
Our travel experts
Charles Usher

Charles Usher

Expert on Jin Air

Charles Usher

Charles Usher

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 Garcia

Marisa Garcia

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

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, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $1,000). Flying from Osaka Kansai 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 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 junio 12, 2025.

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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 58% on airfare.

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 June 8, 2025.

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

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 junio 12, 2025.

The most flights from KIX to SEL are scheduled on a Monday (64 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (52 on average).

Rainfall in Seoul by month

Plan your trip to Seoul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.

Temperature in Seoul by month

Plan your trip to Seoul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Read through reviews of airlines operating flights from Osaka to Seoul, such as Korean Air, Asiana Airlines and China Southern. 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
1,088 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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.
Asiana Airlines
8.2
Very good
440 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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.
China Southern
7.5
Good
99 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Boarding

8.5

Comfort

8.3

Overall

8.4

Entertainment

8.2

Crew

8.7

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 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.

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

    Air Seoul, at $103, was found to be the cheapest airline from Osaka Kansai Intl Airport to Seoul.Alternate airlines to your destination round-trip include T'way Air and Peach. Air Seoul is priced at 47% 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 Jeju Air, which is currently one of the cheapest options available, starting at $65. Peach flights start at $71 while deals on T'way Air start at $75 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: Jeju Air (94%), Air Busan (91%), Peach (81%).

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

    The cheapest flight price from Osaka Kansai Intl Airport to Seoul is $55. On average you can expect to pay $951. The most popular route, (Osaka Kansai Intl - Incheon Intl), can usually be booked for $112.

  • 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, February is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $1,000). Flying from Osaka Kansai 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

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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 Incheon Intl flights
Kansai Intl to Busan flights
Kansai Intl to Gimpo Intl flights

Top 5 airlines flying from Kansai Intl to Seoul

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapest$90Average$180FlexibilityNo cancel feeOn-time78%
Jeju AirCheapest$120Average$243FlexibilityNo cancel feeOn-timeN/A
PeachCheapest$125Average$184FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$189Average$267FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$189Average$230FlexibilityNo cancel feeOn-time81%

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