$81 Cheap Flights from Seoul (GMP) to Osaka (KIX)

View $81 flight on Sun, Sep 7, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)

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Cheap Flights from Seoul to Osaka (GMP-KIX)

Prices were available within the past 7 days and start at $81 for one-way flights and $163 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Tue, Sep 9 - Wed, Oct 1
GMP
Seoul
KIX
Osaka
$163 Roundtrip, just found
$163
Roundtrip
just found
Select Jeju Air flight, departing Tue, Sep 9 from Seoul to Osaka, returning Wed, Oct 1, priced at $163 just found
Jeju Air
Tue, Aug 19 - Wed, Aug 20
GMP
Seoul
KIX
Osaka
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select Jeju Air flight, departing Tue, Aug 19 from Seoul to Osaka, returning Wed, Aug 20, priced at $164 found 1 day ago
Jeju Air
Thu, Aug 28 - Wed, Sep 3
GMP
Seoul
KIX
Osaka
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Jeju Air flight, departing Thu, Aug 28 from Seoul to Osaka, returning Wed, Sep 3, priced at $167 found 3 days ago
Jeju Air
Fri, Sep 26 - Wed, Oct 1
GMP
Seoul
KIX
Osaka
$169 Roundtrip, found 6 days ago
$169
Roundtrip
found 6 days ago
Select Jeju Air flight, departing Fri, Sep 26 from Seoul to Osaka, returning Wed, Oct 1, priced at $169 found 6 days ago
Jeju Air
Wed, Aug 27 - Wed, Sep 3
GMP
Seoul
KIX
Osaka
$170 Roundtrip, found 4 days ago
$170
Roundtrip
found 4 days ago
Select Jeju Air flight, departing Wed, Aug 27 from Seoul to Osaka, returning Wed, Sep 3, priced at $170 found 4 days ago
Jeju Air
Sat, Sep 13 - Wed, Oct 1
GMP
Seoul
KIX
Osaka
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Jeju Air flight, departing Sat, Sep 13 from Seoul to Osaka, returning Wed, Oct 1, priced at $172 just found
Asiana Airlines
Tue, Sep 9 - Mon, Sep 29
GMP
Seoul
KIX
Osaka
$175 Roundtrip, just found
$175
Roundtrip
just found
Select Asiana Airlines flight, departing Tue, Sep 9 from Seoul to Osaka, returning Mon, Sep 29, priced at $175 just found
Korean Air
Thu, Sep 18 - Thu, Sep 25
GMP
Seoul
KIX
Osaka
$175 Roundtrip, found 5 days ago
$175
Roundtrip
found 5 days ago
Select Korean Air flight, departing Thu, Sep 18 from Seoul to Osaka, returning Thu, Sep 25, priced at $175 found 5 days ago
Hahn Air Systems
Tue, Aug 5 - Wed, Aug 20
GMP
Seoul
KIX
Osaka
$192 Roundtrip, just found
$192
Roundtrip
just found
Select Hahn Air Systems flight, departing Tue, Aug 5 from Seoul to Osaka, returning Wed, Aug 20, priced at $192 just found
All Nippon Airways
Tue, Apr 7 - Thu, Apr 9
GMP
Seoul
KIX
Osaka
$325 Roundtrip, found 6 days ago
$325
Roundtrip
found 6 days ago
Select All Nippon Airways flight, departing Tue, Apr 7 from Seoul to Osaka, returning Thu, Apr 9, priced at $325 found 6 days ago

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

September is typically the cheapest month to fly

From $103 - $328 per traveler.

Graph displaying average flight prices per month

Alternative airports near Osaka

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

Select flight to Itami ITM. Closest option available. Average driving time to city center is 10 minutes. Flights from $377
ITM
Itami
Closest
Average driving time to city center10 min
Flights from $377
Select flight to Kobe Airport UKB. Average driving time to city center is 32 minutes. Flights from $378
UKB
Kobe Airport
Average driving time to city center32 min
Flights from $378
Flights from Seoul (GMP) to Osaka (KIX)
Origin airport
Gimpo Intl.
Destination airport
Kansai Intl.
Airlines serving
Air China, All Nippon Airways, Asiana Airlines, Hahn Air Systems, Japan Airlines, Jeju Air, Korean Air
Roundtrip price
$163
Distance
518 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 September. 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 $81 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 Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX) cost?
Discover the latest flight deals from GMP to KIX by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GMP to KIX?
The cheapest flights from GMP to KIX are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
Take the express route to Kansai Intl. Airport (KIX). 3 airlines offer direct routes from Gimpo Intl. Airport (GMP), including:

  • Jeju Air
  • Asiana Airlines
  • Korean Air

What is the cheapest airline that flies from GMP to KIX?
With fares starting at $81 for a one-way journey from GMP to KIX, Asiana Airlines is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from GMP on October 16 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
When departing from Gimpo Intl. Airport (GMP), you can pick from an average of 6 daily direct flights to Kansai Intl. Airport (KIX).
What are the most popular departure times for flights from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
Flights between GMP and KIX are busiest at 8 AM. If you want a more relaxed experience and possibly cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from GMP to KIX?
Fly on a Friday if you're after the best selection of flights from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX).
What is the earliest flight from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
Hop on the earliest flight at around 8:20AM UTC+9, departing from Gimpo Intl. Airport (GMP). You'll be in the air for approximately 1h 40m, reaching Kansai Intl. Airport (KIX) at approximately 10:00AM UTC+9.
How long does it take to fly from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
Typically, it takes 1 hour and 43 minutes to cover the 520 mi from GMP to KIX.
What airline has the least delays from GMP to KIX?
Jeju Air has the best track record for on-time direct flights from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX), with an on-time rating of 100%. Use the Expedia App to look up your journey status before you take off and get real-time alerts about any changes.
What is the best time to fly from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
To avoid possible delays on the Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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 Gimpo Intl. Airport (GMP)?
If you're traveling on a direct flight from Gimpo Intl. Airport (GMP) to Osaka, Kansai Intl. Airport (KIX) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX) last-minute?
Holding off until right before your break to book a flight from GMP to KIX generally means paying more. While you may come across some last-minute discounts, there's no guarantee. Keep your travel plans flexible for a better chance of landing a bargain.
Is it cheaper to book a GMP to KIX flight and hotel package?
Booking a GMP to KIX flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to Kansai Intl. Airport (KIX)?
Typically, you can cancel or modify your GMP to KIX flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.