$39 Cheap Flights from Seoul (ICN) to Osaka (KIX)

View $39 flight on Tue, Oct 14, 2025Opens in a new window

Popular airlines from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)

Cheap Flights from Seoul to Osaka (ICN-KIX)

Prices were available within the past 7 days and start at $39 for one-way flights and $91 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aero K Airlines
Mon, Oct 27 - Wed, Oct 29
ICN
Seoul
KIX
Osaka
$91 Roundtrip, found 5 hours ago
$91
Roundtrip
found 5 hours ago
Select Aero K Airlines flight, departing Mon, Oct 27 from Seoul to Osaka, returning Wed, Oct 29, priced at $91 found 5 hours ago
Aero K Airlines
Tue, Oct 28 - Tue, Nov 4
ICN
Seoul
KIX
Osaka
$99 Roundtrip, found 3 hours ago
$99
Roundtrip
found 3 hours ago
Select Aero K Airlines flight, departing Tue, Oct 28 from Seoul to Osaka, returning Tue, Nov 4, priced at $99 found 3 hours ago
Aero K Airlines
Wed, Oct 29 - Thu, Nov 6
ICN
Seoul
KIX
Osaka
$106 Roundtrip, found 2 days ago
$106
Roundtrip
found 2 days ago
Select Aero K Airlines flight, departing Wed, Oct 29 from Seoul to Osaka, returning Thu, Nov 6, priced at $106 found 2 days ago
T'Way Air
Sat, Oct 11 - Wed, Oct 22
ICN
Seoul
KIX
Osaka
$106 Roundtrip, found 6 hours ago
$106
Roundtrip
found 6 hours ago
Select T'Way Air flight, departing Sat, Oct 11 from Seoul to Osaka, returning Wed, Oct 22, priced at $106 found 6 hours ago
T'Way Air
Fri, Oct 10 - Wed, Oct 29
ICN
Seoul
KIX
Osaka
$109 Roundtrip, found 7 hours ago
$109
Roundtrip
found 7 hours ago
Select T'Way Air flight, departing Fri, Oct 10 from Seoul to Osaka, returning Wed, Oct 29, priced at $109 found 7 hours ago
Aero K Airlines
Fri, Oct 10 - Wed, Oct 15
ICN
Seoul
KIX
Osaka
$113 Roundtrip, found 1 day ago
$113
Roundtrip
found 1 day ago
Select Aero K Airlines flight, departing Fri, Oct 10 from Seoul to Osaka, returning Wed, Oct 15, priced at $113 found 1 day ago
Aero K Airlines
Sat, Oct 11 - Wed, Oct 15
ICN
Seoul
KIX
Osaka
$113 Roundtrip, just found
$113
Roundtrip
just found
Select Aero K Airlines flight, departing Sat, Oct 11 from Seoul to Osaka, returning Wed, Oct 15, priced at $113 just found
Jeju Air
Fri, Oct 10 - Wed, Oct 29
ICN
Seoul
KIX
Osaka
$140 Roundtrip, found 7 hours ago
$140
Roundtrip
found 7 hours ago
Select Jeju Air flight, departing Fri, Oct 10 from Seoul to Osaka, returning Wed, Oct 29, priced at $140 found 7 hours ago
T'way Air with baggage
Sat, Oct 11 - Wed, Oct 15
ICN
Seoul
KIX
Osaka
$142 Roundtrip, just found
$142
Roundtrip
just found
Select T'way Air with baggage flight, departing Sat, Oct 11 from Seoul to Osaka, returning Wed, Oct 15, priced at $142 just found
Asiana Airlines
Tue, Oct 14 - Wed, Oct 15
ICN
Seoul
KIX
Osaka
$163 Roundtrip, found 9 hours ago
$163
Roundtrip
found 9 hours ago
Select Asiana Airlines flight, departing Tue, Oct 14 from Seoul to Osaka, returning Wed, Oct 15, priced at $163 found 9 hours ago

Find the cheapest month to fly from Seoul (ICN) to Osaka (KIX)

August is typically the cheapest month to fly

From $70 - $132 per traveler.

Alternative airports near Osaka

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kobe Airport UKB. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $190
UKB
Kobe Airport
Cheapest
Average driving time to city center32 min
Flights from $190
Flights from Seoul (ICN) to Osaka (KIX)
Origin airport
Incheon Intl.
Destination airport
Kansai Intl.
Airlines serving
Aero K Airlines, Air China, All Nippon Airways, Asiana Airlines, Hahn Air Systems, Hong Kong Airlines, Japan Airlines, Jeju Air, Korean Air, Shandong Airlines, T'Way Air, T'way Air with baggage
Roundtrip price
$91
Distance
534 mi
Average flight time
1 hour 43 mins

Seoul to Osaka Flights

The cheapest times to fly from Seoul to Osaka

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to Osaka are during the month of October. You can find some of the cheapest flights from Seoul to Osaka with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to Osaka

Sunday is one of the best days to book for cheap flights from Seoul to Osaka: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to Osaka

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to Osaka in 2025. You can also book with separate airlines for your outbound and return journeys, from $39 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to Osaka flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to Osaka airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX) cost?
Snag a cheap one-way flight from $39 or cheap return flight from $91 from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
October is the least expensive month to fly from ICN to KIX. Timing your trip outside of the busy season is often the key to finding better deals on flights.
Which airlines fly direct from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
When taking off from Incheon Intl. Airport (ICN), 10 carriers can take you directly to Kansai Intl. Airport (KIX) without any layovers, including:

  • Jin Air
  • Korean Air
  • Peach Aviation
  • Jeju Air
  • Asiana Airlines

What is the cheapest airline that flies from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
The cheapest airline to offer flights between Incheon Intl. Airport (ICN) and Kansai Intl. Airport (KIX) can vary based on your travel plans. However, you'll generally find that low-cost carriers such as Peach Aviation and Jeju Air provide some of the most affordable options. Use Expedia's search tool to compare airlines in one place and find the right ICN to KIX flight that fits your budget.
How many flights per day from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
Each day, an average of 32 nonstop flights take off from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
More passengers fly between ICN and KIX at 3 PM than at any other time. Rather skip the crowds? Pick a flight outside the busiest times and it's possible you'll save on your fare as well.
What day of the week has the most flights from ICN to KIX?
If you jet off on a Saturday, you'll get the widest range of options for flights from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX).
What is the earliest flight from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
Catch the earliest flight at around 7:00AM UTC+9, departing from Incheon Intl. Airport (ICN). You'll be traveling for approximately 2h, touching down at Kansai Intl. Airport (KIX) at approximately 9:00AM UTC+9.
How long does it take to fly from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
The average flight time from ICN to KIX is 1 hour and 50 minutes, covering a total distance of 540 mi.
What airline has the least delays from ICN to KIX?
JAL has the best track record for on-time direct flights from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX), with an on-time rating of 86%. Use the Expedia App to see your journey status before you take off and get real-time alerts about any trip changes.
What is the best time to fly from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
To land at Kansai Intl. Airport (KIX) on schedule, opt for a flight that leaves Incheon Intl. Airport (ICN) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Osaka from Incheon Intl. Airport (ICN)?
If you're boarding a direct flight from Incheon Intl. Airport (ICN) to Osaka, Kansai Intl. Airport (KIX) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX) last-minute?
Last-minute fares from ICN to KIX are generally more expensive. To secure the lowest rates, start searching for flights as early as possible. That said, if you're flexible with your travel plans, it's possible to score a cheap fare right before you leave.
Is it cheaper to book an ICN to KIX flight and hotel package?
Compared with arranging flights and hotels separately, booking an ICN to KIX flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Simply secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
If you booked your ICN to KIX flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.