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Kansai Intl

$46+ Cheap flights from Seoul (SEL) to Kansai Intl (KIX)

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — KIX
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Seoul to Osaka Kansai Intl are usually found in July or August, booked 54 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from Seoul to Kansai Intl

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

$101
(Kiwi.com)

One-way from

$46
(Mytrip)

Popular in

October

Cheapest in

July

Average price

$124

Good round-trip deal

$118 or less

Good one-way deal

$61 or less
From Seoul (SEL) to Osaka Kansai Intl
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One-way flight from Seoul (SEL) to Osaka Kansai Intl
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Highest demand for flights based on searches. 4% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 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 Seoul (SEL) to Osaka Kansai Intl.
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Price to beat on a one-way flight from Seoul (SEL) to Osaka Kansai Intl.
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Find flight deals from Seoul to Kansai Intl

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

This oojo 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1011:10 amICN - KIX
Nonstop1h 45mT'way Air
Tue 9/162:30 pmKIX - ICN
Nonstop2h 05mT'way Air
Deal found 9/9$98
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.
Wed 9/108:00 amICN - KIX
Nonstop2h 05mT'way Air
Wed 9/102:30 pmKIX - ICN
Nonstop2h 05mT'way Air
Deal found 9/9$99
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.
Tue 10/141:05 pmGMP - KIX
Nonstop1h 45mPeach
Wed 10/224:00 pmKIX - GMP
Nonstop1h 55mPeach
Deal found 9/11$101
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.
Mon 10/278:05 amICN - KIX
Nonstop1h 35mJeju Air
Wed 10/2910:50 amKIX - ICN
Nonstop2h 00mJeju Air
Deal found 9/11$101
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 9/309:15 amICN - KIX
Nonstop1h 55mEastar Jet
Fri 10/312:10 pmKIX - ICN
Nonstop1h 50mEastar Jet
Deal found 9/10$104
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/133:20 pmICN - KIX
Nonstop1h 40mAir Seoul
Tue 9/164:15 pmKIX - ICN
Nonstop2h 10mAir Seoul
Deal found 9/9$105
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:30 amICN - KIX
Nonstop1h 50mMultiple Airlines
Thu 10/21:35 pmKIX - ICN
Nonstop2h 10mMultiple Airlines
Deal found 9/9$106
This Jin Air 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/104:05 pmICN - KIX
Nonstop1h 55mJin Air
Wed 10/151:10 pmKIX - ICN
Nonstop1h 50mJin Air
Deal found 9/10$107
This Jeju 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:10 amICN - KIX
Nonstop1h 50mJeju Air
Thu 10/169:50 amKIX - ICN
Nonstop2h 00mJeju Air
Deal found 9/9$108
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:10 pmGMP - KIX
Nonstop1h 40mPeach
Tue 11/1810:20 amKIX - GMP
Nonstop2h 00mPeach
Deal found 9/10$109
This Jin 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/114:05 pmICN - KIX
Nonstop1h 55mJin Air
Wed 10/1511:00 amKIX - ICN
Nonstop1h 50mJin Air
Deal found 9/11$109
This Jeju 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:20 amGMP - KIX
Nonstop1h 40mJeju Air
Wed 10/2211:00 amKIX - GMP
Nonstop2h 00mJeju Air
Deal found 9/9$111

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seoul to Kansai Intl 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 Seoul to Osaka Kansai Intl Airport that are best for you.

Fly from

Seoul

Fly to

Kansai Intl

Route

Depart

Return

Price

SeoulOsaka

GMP - KIX

GMPKIX

Seoul Gimpo Intl

Sat 10/11

8:20 am-10:00 am

Nonstop1h 40m

Osaka Kansai Intl

Wed 10/22

11:00 am-1:00 pm

Nonstop2h 00m

$111

SeoulOsaka

GMP - KIX

GMPKIX

Seoul Gimpo Intl

Mon 10/27

8:20 am-10:00 am

Nonstop1h 40m

Osaka Kansai Intl

Wed 10/29

11:00 am-1:00 pm

Nonstop2h 00m

$138

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Mon 10/20

7:40 am-9:30 am

Nonstop1h 50m

Osaka Kansai Intl

Mon 10/27

11:05 am-1:10 pm

Nonstop2h 05m

$145

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Mon 10/13

7:40 am-9:30 am

Nonstop1h 50m

Osaka Kansai Intl

Tue 10/14

1:10 pm-3:00 pm

Nonstop1h 50m

$152

SeoulOsaka

GMP - KIX

GMPKIX

Seoul Gimpo Intl

Sat 11/1

2:00 pm-3:40 pm

Nonstop1h 40m

Osaka Kansai Intl

Thu 11/6

11:00 am-1:00 pm

Nonstop2h 00m

$159

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 11/9

9:10 am-11:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 11/12

11:50 am-1:50 pm

Nonstop2h 00m

$159

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Mon 10/13

7:40 am-9:30 am

Nonstop1h 50m

Osaka Kansai Intl

Sat 10/18

4:00 pm-6:00 pm

Nonstop2h 00m

$167

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 11/5

4:55 pm-6:40 pm

Nonstop1h 45m

Osaka Kansai Intl

Sat 11/8

10:50 am-12:50 pm

Nonstop2h 00m

$171

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 10/26

8:05 am-9:40 am

Nonstop1h 35m

Osaka Kansai Intl

Sun 11/2

10:50 am-12:50 pm

Nonstop2h 00m

$173

SeoulOsaka

GMP - KIX

GMPKIX

Seoul Gimpo Intl

Tue 11/4

8:20 am-10:00 am

Nonstop1h 40m

Osaka Kansai Intl

Thu 11/13

11:00 am-1:00 pm

Nonstop2h 00m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 34 results
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Best time to book a flight from Seoul to Kansai Intl

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

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

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

The best time to book flights from Seoul to Osaka Kansai Intl Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from Seoul to Osaka Kansai Intl Airport (average of $866). Flying from Seoul to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,310). 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 SEL to KIX?

Find hourly flight availability from Seoul to Kansai Intl. 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 Seoul to Osaka Kansai Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

What is the cheapest day to fly from Seoul to Osaka Kansai Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Seoul to Kansai Intl. Price data was last updated on September 7, 2025.

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

Weekly flight availability from Seoul to Osaka Kansai Intl Airport

Explore weekly flight availability from Seoul to Kansai Intl. 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 SEL to KIX are scheduled on a Wednesday (64 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (50 on average).

Reviews of airlines servicing Kansai Intl

Get insights into the airlines that provide service to Kansai Intl. 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 Kansai Intl. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Korean Air, Asiana Airlines, and Peach from Seoul to Osaka Kansai Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Peach
6.7
Okay
83 reviews
Korean Air
8.4
Very good
1,139 reviews

Food

8.1

Overall

8.4

Comfort

8.3

Crew

8.7

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

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

    Departing from Seoul to Osaka Kansai Intl Airport will take you 1h 40m. There are 518 mi between Seoul and Osaka Kansai Intl Airport. Generally, flights for this route are nonstop.

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

    Flying on T'way Air is currently your cheapest option to Osaka Kansai Intl Airport, with prices starting at $55. Additional round-trip tickets that might be worth considering are offered by Aero K and Eastar Jet, with the lowest prices starting at $73 and $73, respectively. T'way Air is currently priced 67% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $49 on Jeju Air. Other airlines that offer cheap prices include T'way Air from $57 and Peach from $59 one-way.

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

    Consider Air Busan (84%), Aero K (64%) or ITA Airways (64%) when booking your flight. These represent the most reliable airlines when flying from Seoul to Osaka Kansai Intl Airport.

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

    The cheapest flight price from Seoul to Osaka Kansai Intl Airport is $43. On average you can expect to pay $111. The most popular route, (Seoul Gimpo Intl - Osaka Kansai Intl), can usually be booked for $142.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seoul to Osaka Kansai Intl Airport (average of $866). Flying from Seoul to Osaka Kansai Intl Airport in June is currently the most expensive (average of $1,310). 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

Traveling to a place near Osaka Kansai Intl Airport?

Book flights to Osaka Kansai Intl Airport if you plan to visit one of these locations
Izumisano
Nara
Nishinomiya
Himeji

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Alternative routes for Seoul to Kansai Intl

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

Top 10 airlines flying from Seoul to Kansai Intl

Discover the top 10 airlines that operate flights from Seoul to Kansai Intl. 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
T'way AirCheapest$55Average$137FlexibilityNo cancel feeOn-time88%
Aero KCheapest$73Average$119FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$73Average$122FlexibilityNo cancel feeOn-time86%
Air BusanCheapest$79Average$132FlexibilityNo cancel feeOn-time94%
Air SeoulCheapest$85Average$122FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$85Average$161FlexibilityNo cancel feeOn-timeN/A
PeachCheapest$97Average$168FlexibilityNo cancel feeOn-time72%
Jin AirCheapest$104Average$183FlexibilityNo cancel feeOn-time78%
Asiana AirlinesCheapest$156Average$230FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$178Average$274FlexibilityNo cancel feeOn-time81%

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