$49 Cheap Flights from Seoul (ICN) to Osaka (KIX)

View $49 flight on Tue, May 20, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Seoul to Osaka (ICN-KIX)

Prices were available within the past 7 days and start at $49 for one-way flights and $99 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

T'Way Air
Tue, Jun 17 - Tue, Jun 24
ICN
Seoul
KIX
Osaka
$99 Roundtrip, found 6 hours ago
$99
Roundtrip
found 6 hours ago
Select T'Way Air flight, departing Tue, Jun 17 from Seoul to Osaka, returning Tue, Jun 24, priced at $99 found 6 hours ago
Aero K Airlines
Thu, May 8 - Sat, May 10
ICN
Seoul
KIX
Osaka
$113 Roundtrip, just found
$113
Roundtrip
just found
Select Aero K Airlines flight, departing Thu, May 8 from Seoul to Osaka, returning Sat, May 10, priced at $113 just found
Aero K Airlines
Sat, May 17 - Wed, May 21
ICN
Seoul
KIX
Osaka
$118 Roundtrip, found 1 hour ago
$118
Roundtrip
found 1 hour ago
Select Aero K Airlines flight, departing Sat, May 17 from Seoul to Osaka, returning Wed, May 21, priced at $118 found 1 hour ago
T'Way Air
Mon, Jun 30 - Tue, Jul 8
ICN
Seoul
KIX
Osaka
$120 Roundtrip, found 1 day ago
$120
Roundtrip
found 1 day ago
Select T'Way Air flight, departing Mon, Jun 30 from Seoul to Osaka, returning Tue, Jul 8, priced at $120 found 1 day ago
Aero K Airlines
Thu, May 29 - Mon, Jun 2
ICN
Seoul
KIX
Osaka
$123 Roundtrip, found 6 hours ago
$123
Roundtrip
found 6 hours ago
Select Aero K Airlines flight, departing Thu, May 29 from Seoul to Osaka, returning Mon, Jun 2, priced at $123 found 6 hours ago
Aero K Airlines
Sat, May 17 - Tue, May 20
ICN
Seoul
KIX
Osaka
$123 Roundtrip, found 9 hours ago
$123
Roundtrip
found 9 hours ago
Select Aero K Airlines flight, departing Sat, May 17 from Seoul to Osaka, returning Tue, May 20, priced at $123 found 9 hours ago
Aero K Airlines
Fri, May 23 - Sat, May 24
ICN
Seoul
KIX
Osaka
$124 Roundtrip, just found
$124
Roundtrip
just found
Select Aero K Airlines flight, departing Fri, May 23 from Seoul to Osaka, returning Sat, May 24, priced at $124 just found
Jeju Air
Thu, Jul 17 - Mon, Jul 21
ICN
Seoul
KIX
Osaka
$168 Roundtrip, just found
$168
Roundtrip
just found
Select Jeju Air flight, departing Thu, Jul 17 from Seoul to Osaka, returning Mon, Jul 21, priced at $168 just found
Asiana Airlines
Fri, May 9 - Tue, May 13
ICN
Seoul
KIX
Osaka
$184 Roundtrip, just found
$184
Roundtrip
just found
Select Asiana Airlines flight, departing Fri, May 9 from Seoul to Osaka, returning Tue, May 13, priced at $184 just found
Korean Air
Thu, Jul 17 - Mon, Jul 21
ICN
Seoul
KIX
Osaka
$185 Roundtrip, just found
$185
Roundtrip
just found
Select Korean Air flight, departing Thu, Jul 17 from Seoul to Osaka, returning Mon, Jul 21, priced at $185 just found
Flights from Seoul (ICN) to Osaka (KIX)
Origin airport
Incheon Intl.
Destination airport
Kansai Intl.
Airlines serving
Aero K Airlines, Air China, Air Macau Company, All Nippon Airways, Asiana Airlines, China Eastern Airlines, Hahn Air Systems, Japan Airlines, Jeju Air, Korean Air, Shandong Airlines, Shanghai Airlines, T'Way Air, Vietjet Air
Roundtrip price
$99
Distance
534 mi

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 June. 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 $49 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 long does it take to fly from ICN to Kansai Intl. Airport?
Purchase a ticket with Jin Air and you can expect to be cruising the skies for roughly 1 hour and 50 minutes. This carrier has a direct flight that departs at 1:25PM from Incheon Intl. Airport (ICN) and gets to Kansai Intl. Airport (KIX) at 3:15PM. Expedia has unbeatable flight deals, so find out what’s available on this route today.
Is it cheaper to buy a plane ticket from Seoul--Incheon Intl. Airport to KIX last minute?
Being the spontaneous type is an amazing way to travel the globe, but it’s not always the ideal way to grab a bargain plane ticket. It’s better to book your Incheon Airport to Kansai Intl. Airport journey well ahead of time instead of waiting till the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave your spontaneous side for when you reach your destination!
What airline has the least delays from Incheon Intl. Airport (ICN) to Kansai Intl. Airport (KIX)?
If you’d rather not be stuck in the departure lounge — or worse, have your trip upended due to a flight delay — take off with Korean Air. Around 87% of its Seoul–Incheon Intl. Airport to Kansai Intl. Airport (KIX) services get in on schedule. You can review your flight status before setting out for the airport through the Expedia App. It also delivers real-time alerts about other vital info, such as any gate changes, luggage carousel numbers and how to get to your hotel. All the details you need are in your pocket with this all-in-one travel companion.
What airports do you fly into for Osaka from Seoul?
From Seoul, you can reach Osaka through Kansai Intl. Airport (KIX), Kobe Airport (UKB) and Itami Airport (ITM). Determine which airport is right for you before you make a decision. If you go with Kansai Intl. Airport (KIX), it’s roughly 25 mi southwest of the center of the city. Use the dollars you save when booking your ticket with Expedia to check out the city’s awesome sights, such as Osaka Aquarium Kaiyukan and Osaka Science Museum.
What are the most popular departure times for flights from Incheon Airport to Kansai Intl. Airport (KIX)?
Between 7:00 AM - 8:00 AM is when you’ll find lots of Jeju Air flights departing from Incheon Airport to Kansai Intl. Airport. Want some good advice? Leave sometime in the morning. With air traffic yet to build up, your odds of boarding a delay-free flight are better.
Can I change the date of my flight from Incheon Intl. Airport (ICN) to Kansai Intl. Airport?
It’s so easy to make amendments to your Seoul–Incheon Intl. Airport to KIX trip yourself. Just go to the Expedia Trips portal and tap “change flight.” Browse around for new flights and lock in the one that works best with your plans. You’ll get an estimate of the extra charges, if applicable. Alternatively, use our Customer Service portal to connect with our Virtual Agent and get answers to your questions.

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*Available to One Key members.