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$60+ 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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Osaka Kansai Intl to Seoul are usually found in July or June, booked 61 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 September 11, 2025.

Round-trip from

$115
(FlightHub)

One-way from

$60
(CheapOair)

Popular in

December

Cheapest in

July

Average price

$177

Good round-trip deal

$134 or less

Good one-way deal

$76 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. 7% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:50 amKIX - ICN
Nonstop2h 00mMultiple Airlines
Thu 10/912:15 amICN - KIX
Nonstop1h 50mMultiple Airlines
Deal found 9/9$106
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 11/294:00 pmKIX - GMP
Nonstop2h 00mPeach
Tue 12/21:10 pmGMP - KIX
Nonstop1h 40mPeach
Deal found 9/11$115
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/184:15 pmKIX - ICN
Nonstop2h 10mMultiple Airlines
Sun 9/217:30 amICN - KIX
Nonstop1h 50mMultiple Airlines
Deal found 9/10$116
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 12/97:40 amKIX - ICN
Nonstop2h 05mPeach
Tue 12/99:00 pmICN - KIX
Nonstop1h 45mPeach
Deal found 9/10$119
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:00 pmKIX - GMP
Nonstop2h 00mMultiple Airlines
Sun 11/168:20 amGMP - KIX
Nonstop1h 40mMultiple Airlines
Deal found 9/11$120
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:40 amKIX - ICN
Nonstop2h 05mPeach
Sun 12/710:35 amICN - KIX
Nonstop1h 45mPeach
Deal found 9/11$121
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:40 amKIX - ICN
Nonstop2h 05mPeach
Fri 12/53:05 pmICN - KIX
Nonstop1h 45mPeach
Deal found 9/10$122
This Jeju Air 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:30 pmKIX - GMP
Nonstop2h 00mJeju Air
Thu 10/92:00 pmGMP - KIX
Nonstop1h 40mJeju Air
Deal found 9/11$126
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:55 pmKIX - ICN
Nonstop1h 55mPeach
Fri 10/243:20 pmICN - KIX
Nonstop1h 50mPeach
Deal found 9/9$131
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/110:20 amKIX - GMP
Nonstop2h 00mPeach
Fri 12/51:10 pmGMP - KIX
Nonstop1h 40mPeach
Deal found 9/10$132
This Booking.com deal was found by Cheapflights users on 9/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/157:40 pmKIX - ICN
Nonstop2h 00mJeju Air
Wed 9/179:10 amICN - KIX
Nonstop1h 50mJeju Air
Deal found 9/10$133
This T'way Air 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 T'way Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/162:30 pmKIX - ICN
Nonstop2h 05mT'way Air
Wed 9/1711:10 amICN - KIX
Nonstop1h 45mT'way Air
Deal found 9/9$134

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 September 11, 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

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Tue 9/23

4:30 pm-6:30 pm

Nonstop2h 00m

Seoul Gimpo Intl

Thu 10/9

2:00 pm-3:40 pm

Nonstop1h 40m

$126

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Tue 11/25

11:05 am-1:10 pm

Nonstop2h 05m

Incheon Intl

Sun 11/30

3:00 pm-4:40 pm

Nonstop1h 40m

$142

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Tue 9/23

10:35 am-3:10 pm

1 stop4h 35m

Seoul Gimpo Intl

Wed 9/24

1:05 pm-2:50 pm

Nonstop1h 45m

$144

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Fri 10/24

2:30 pm-4:30 pm

Nonstop2h 00m

Incheon Intl

Tue 10/28

7:55 am-9:55 am

Nonstop2h 00m

$151

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 10/30

11:50 am-1:50 pm

Nonstop2h 00m

Incheon Intl

Sun 11/2

8:05 am-9:40 am

Nonstop1h 35m

$162

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Wed 9/24

4:00 pm-6:00 pm

Nonstop2h 00m

Incheon Intl

Sat 9/27

4:05 pm-6:00 pm

Nonstop1h 55m

$162

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Tue 10/28

11:00 am-1:00 pm

Nonstop2h 00m

Seoul Gimpo Intl

Thu 10/30

2:00 pm-3:40 pm

Nonstop1h 40m

$165

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 10/16

11:35 am-1:30 pm

Nonstop1h 55m

Incheon Intl

Thu 10/16

3:55 pm-6:05 pm

Nonstop2h 10m

$168

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Fri 10/24

4:30 pm-6:30 pm

Nonstop2h 00m

Seoul Gimpo Intl

Tue 10/28

8:20 am-10:00 am

Nonstop1h 40m

$168

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Mon 10/27

4:00 pm-6:00 pm

Nonstop2h 00m

Seoul Gimpo Intl

Mon 11/3

8:20 am-10:00 am

Nonstop1h 40m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 39 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

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

Use this chart to determine the optimal time to book a round-trip flight from Kansai Intl to Seoul. Price data was last updated on August 29, 2025.

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 61 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 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 $990). Flying from Osaka Kansai Intl Airport to Seoul 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 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 September 11, 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 47% 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 September 7, 2025.

Travelers seeking maximum savings on their Osaka Kansai Intl Airport to Seoul flight should consider departing on Saturday at noon 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 September 11, 2025.

The most flights from KIX to SEL are scheduled on a Wednesday (62 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (44 on average).

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 September 11, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Peach 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.
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

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

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

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
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

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.
Peach
6.7
Okay
83 reviews
Korean Air
8.4
Very good
1,139 reviews

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

Food

8.1

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.

  • How long is the flight from Osaka Kansai Intl Airport to Seoul?

    For as low as $126, Jeju Air can have you in Seoul from Osaka Kansai Intl Airport in 2h. 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?

    Jin Air, at $99, was found to be the cheapest airline from Osaka Kansai Intl Airport to Seoul.Alternate airlines to your destination round-trip include Peach and Jeju Air. Jin Air 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 Peach, which is currently one of the cheapest options available, starting at $61. Jin Air flights start at $61 while deals on Jeju Air start at $74 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: Air Busan (87%), Jeju Air (83%), Aero K (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 $57. On average you can expect to pay $997. The most popular route, (Osaka Kansai Intl - Seoul Gimpo Intl), can usually be booked for $94.

  • 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 $990). Flying from Osaka Kansai Intl Airport to Seoul 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 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
Kansai Intl to Busan flights

Top 6 airlines flying from Kansai Intl to Seoul

Discover the top 6 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Jin AirCheapest$99Average$190FlexibilityNo cancel feeOn-time78%
PeachCheapest$117Average$167FlexibilityNo cancel feeOn-time72%
Air SeoulCheapest$120Average$211FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$120Average$243FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$189Average$247FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$189Average$235FlexibilityNo cancel feeOn-time81%

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