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$81+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
KIX — SEL
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheapflights Tip: The best prices from Osaka Kansai Intl to Seoul are usually found in July or September, 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 July 17, 2026.

This FlightHub deal was found by Cheapflights users on 7/17. 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.
Mon 11/308:30 am
KIX
-
GMP
Nonstop2h 00m
Peach
Thu 12/311:20 am
GMP
-
KIX
Nonstop1h 45m
Peach
Deal found 7/17$135
This CheapOair deal was found by Cheapflights users on 7/13. 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 8/149:00 am
KIX
-
ICN
Nonstop2h 00m
Multiple Airlines
Tue 8/182:50 pm
ICN
-
KIX
Nonstop2h 10m
Multiple Airlines
Deal found 7/13$138
This CheapOair deal was found by Cheapflights users on 7/12. 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.
Sun 8/165:00 pm
KIX
-
ICN
Nonstop2h 00m
Multiple Airlines
Tue 8/182:50 pm
ICN
-
KIX
Nonstop2h 10m
Multiple Airlines
Deal found 7/12$139
This CheapOair deal was found by Cheapflights users on 7/15. 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 8/187:40 pm
KIX
-
ICN
Nonstop1h 55m
Multiple Airlines
Thu 8/201:00 pm
ICN
-
KIX
Nonstop2h 00m
Multiple Airlines
Deal found 7/15$140
This Booking.com deal was found by Cheapflights users on 7/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:20 pm
KIX
-
GMP
Nonstop1h 55m
Peach
Mon 8/3111:25 am
GMP
-
KIX
Nonstop1h 45m
Peach
Deal found 7/14$141
This Trip.com deal was found by Cheapflights users on 7/16. 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 8/2112:10 pm
KIX
-
ICN
Nonstop1h 50m
Multiple Airlines
Sat 8/222:50 pm
ICN
-
KIX
Nonstop2h 10m
Multiple Airlines
Deal found 7/16$141
This Booking.com deal was found by Cheapflights users on 7/17. 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.
Fri 8/142:20 pm
KIX
-
GMP
Nonstop1h 55m
Peach
Mon 8/176:50 pm
GMP
-
KIX
Nonstop1h 45m
Peach
Deal found 7/17$142
This Kiwi.com deal was found by Cheapflights users on 7/13. 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.
Sat 8/1510:05 am
KIX
-
ICN
Nonstop2h 00m
Multiple Airlines
Fri 9/41:00 pm
ICN
-
KIX
Nonstop2h 00m
Multiple Airlines
Deal found 7/13$142
This Kiwi.com deal was found by Cheapflights users on 7/16. 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 8/2611:00 am
KIX
-
GMP
Nonstop1h 55m
Multiple Airlines
Sat 8/2911:25 am
GMP
-
KIX
Nonstop1h 45m
Multiple Airlines
Deal found 7/16$143
This Booking.com deal was found by Cheapflights users on 7/17. 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.
Sat 8/157:40 pm
KIX
-
ICN
Nonstop1h 55m
Multiple Airlines
Mon 8/171:15 pm
ICN
-
KIX
Nonstop2h 00m
Multiple Airlines
Deal found 7/17$143
This CheapOair deal was found by Cheapflights users on 7/13. 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.
Sat 8/227:40 pm
KIX
-
ICN
Nonstop1h 55m
Multiple Airlines
Tue 8/252:50 pm
ICN
-
KIX
Nonstop2h 10m
Multiple Airlines
Deal found 7/13$144
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/2611:00 am
KIX
-
GMP
Nonstop1h 55m
Jeju Air
Sat 8/291:55 pm
GMP
-
KIX
Nonstop1h 45m
Jeju Air
Deal found 7/13$145

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 July 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$135
(FlightHub)

One-way from

$81
(CheapOair)

Popular in

March

Cheapest in

July

Average price

$165

Good round-trip deal

$154 or less

Good one-way deal

$99 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.
Search Deals
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 ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 17, 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 - ICN

KIXICN

Osaka Kansai Intl

Tue 9/8

5:00 pm-7:00 pm

Nonstop2h 00m

Incheon Intl

Thu 9/10

7:10 am-9:05 am

Nonstop1h 55m

$180
Quickest round-trip

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Wed 8/19

4:30 pm-6:15 pm

Nonstop1h 45m

Seoul Gimpo Intl

Sat 8/22

1:55 pm-3:40 pm

Nonstop1h 45m

$202

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Wed 8/19

7:55 pm-9:55 pm

Nonstop2h 00m

Incheon Intl

Sat 8/22

7:10 am-9:05 am

Nonstop1h 55m

$203

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Tue 8/11

7:55 pm-9:55 pm

Nonstop2h 00m

Incheon Intl

Mon 8/31

7:10 am-9:05 am

Nonstop1h 55m

$204

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Tue 12/1

11:05 am-1:10 pm

Nonstop2h 05m

Incheon Intl

Thu 12/3

3:00 pm-4:50 pm

Nonstop1h 50m

$215

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Tue 12/1

10:40 am-12:40 pm

Nonstop2h 00m

Seoul Gimpo Intl

Thu 12/3

8:00 am-9:40 am

Nonstop1h 40m

$245

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Mon 8/10

10:05 am-12:05 pm

Nonstop2h 00m

Incheon Intl

Thu 8/13

7:10 am-9:05 am

Nonstop1h 55m

$271

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Mon 8/24

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Mon 9/14

10:30 am-3:05 pm

1 stop4h 35m

$351

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Fri 8/28

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Sun 8/30

10:30 am-3:05 pm

1 stop4h 35m

$351

OsakaSeoul

KIX - GMP

KIXGMP

Osaka Kansai Intl

Sat 8/22

12:25 pm-2:20 pm

Nonstop1h 55m

Seoul Gimpo Intl

Tue 8/25

10:30 am-3:05 pm

1 stop4h 35m

$351

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 36 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 July.
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, September is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $165). 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 July 17, 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 51% 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 July 17, 2026.

The most flights from KIX to SEL are scheduled on a Friday (78 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (66 on average).

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

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 102 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 Monday 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 July 11, 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 July 17, 2026.
Peruse reviews from past customers who have flown with Korean Air,Asiana Airlines, andJeju Air 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
1,221 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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
1,221 reviews
Korean Air
8.4
Very good
1,221 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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
8.1
Very good
554 reviews
Korean Air
8.4
Very good
1,221 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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.
Jeju Air
7.6
Good
38 reviews
Korean Air
8.4
Very good
1,221 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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
6.9
Okay
86 reviews
Korean Air
8.4
Very good
1,221 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Boarding

8.5

Comfort

8.3

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 $351, 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 Korean 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 Jeju Air, which is currently one of the cheapest options available, starting at $58. Peach flights start at $59 while deals on Eastar Jet start at $60 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 (100%), Aero K (99%), Air Canada (98%).

  • 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 $806. The most popular route, (Osaka Kansai Intl - Incheon Intl), can usually be booked for $166.

  • 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, September is the cheapest month in which you can book a flight from Osaka Kansai Intl Airport to Seoul (average of $165). 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

Browse thousands of different options on Cheapflights for your next trip

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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 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 July 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
PeachCheapest$80Average$177FlexibilityNo cancel feeOn-time72%
Air SeoulCheapest$109Average$161FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$144Average$233FlexibilityNo cancel feeOn-time81%
Jeju AirCheapest$152Average$157FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$184Average$244FlexibilityNo cancel feeOn-time76%

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