Cheap flights from Incheon Intl Airport to Osaka from $104

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 19/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
27 Jan — 3 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Incheon Intl to Osaka are usually found in July or August, booked 80 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from Incheon Intl to Osaka

Enter your travel dates to find the best prices.

Cheapest flights from Incheon Intl to Osaka
Explore the most affordable flight options available from Incheon Intl to Osaka. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 December 2025.

Mon 29/1216:55ICN - KIX
Nonstop1h 45mJeju Air
Mon 5/110:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 26/12$241
Tue 30/1215:05ICN - KIX
Nonstop1h 55mEastar Jet
Tue 6/111:50KIX - ICN
Nonstop2h 00mEastar Jet
Deal found 28/12$256
Tue 30/1207:00ICN - KIX
Nonstop2h 00mJeju Air
Mon 5/110:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 26/12$265
Mon 29/1215:05ICN - KIX
Nonstop1h 55mEastar Jet
Fri 2/111:50KIX - ICN
Nonstop2h 00mEastar Jet
Deal found 26/12$275
Sun 28/1208:00ICN - KIX
Nonstop1h 50mJin Air
Sat 3/111:45KIX - ICN
Nonstop2h 00mJin Air
Deal found 26/12$286
Tue 30/1215:00ICN - KIX
Nonstop1h 50mJin Air
Fri 2/111:05KIX - ICN
Nonstop2h 05mJin Air
Deal found 27/12$301
Sun 28/1208:55ICN - KIX
Nonstop1h 50mJin Air
Thu 1/111:05KIX - ICN
Nonstop2h 05mJin Air
Deal found 26/12$305
Tue 30/1207:00ICN - KIX
Nonstop2h 00mJeju Air
Sat 3/110:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 26/12$310
Mon 29/1215:05ICN - KIX
Nonstop1h 55mEastar Jet
Thu 1/111:50KIX - ICN
Nonstop2h 00mEastar Jet
Deal found 26/12$315
Mon 29/1215:50ICN - UKB
Nonstop1h 50mKorean Air
Mon 5/118:40UKB - ICN
Nonstop2h 00mKorean Air
Deal found 26/12$329
Tue 30/1208:25ICN - UKB
Nonstop1h 45mKorean Air
Mon 5/118:40UKB - ICN
Nonstop2h 00mKorean Air
Deal found 26/12$372
Tue 30/1208:25ICN - UKB
Nonstop1h 45mKorean Air
Thu 8/111:10UKB - ICN
Nonstop1h 50mKorean Air
Deal found 26/12$375

Find flight deals from Incheon Intl to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to Osaka (OSA). 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 28 December 2025.

Round-trip from

$237

One-way from

$104

Popular in

October

Cheapest in

July

Average price

$327

Good round-trip deal

$285 or less

Good one-way deal

$130 or less
Jeju Air
  • Jeju Air
  • 24/5-27/5
  • Nonstop
  • 3h 45m total
  • Incheon to Osaka
Jeju Air
  • Jeju Air
  • 19/2
  • Nonstop
  • 1h 45m total
  • Incheon to Osaka
Highest demand for flights based on searches. 10% potential increase in price ($43 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Incheon Intl to Osaka (OSA).
Price to beat on a one-way flight from Incheon Intl to Osaka (OSA).

Cheapflights Fare Finder

 
Customise your flight search to find flights from Incheon Intl to Osaka 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 647,157 searches. Data last updated 28 December 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to Osaka that are best for you.

Fly from

Incheon Intl

Fly to

Osaka

Route

Depart

Return

Price

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Fri 20/2

16:55-18:40

Nonstop1h 45m

Osaka Kansai Intl

Tue 24/2

10:50-12:50

Nonstop2h 00m

$302

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Thu 29/1

22:05-15:10

1 stop17h 05m

Osaka Kansai Intl

Fri 30/1

17:20-21:10

1 stop27h 50m

$327

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Thu 29/1

15:25-16:20

1 stop24h 55m

Osaka Kansai Intl

Sat 31/1

16:10-10:45

1 stop18h 35m

$327

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sat 17/1

21:10-16:20

1 stop19h 10m

Osaka Kansai Intl

Mon 19/1

16:10-10:45

1 stop18h 35m

$327

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Sun 8/3

08:25-10:10

Nonstop1h 45m

Kobe

Wed 11/3

18:40-20:40

Nonstop2h 00m

$338

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Tue 10/3

08:25-10:10

Nonstop1h 45m

Kobe

Tue 10/3

18:40-20:40

Nonstop2h 00m

$339

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Wed 4/3

08:25-10:10

Nonstop1h 45m

Kobe

Tue 10/3

18:40-20:40

Nonstop2h 00m

$339

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Sun 15/3

08:25-10:10

Nonstop1h 45m

Kobe

Mon 16/3

18:40-20:40

Nonstop2h 00m

$350

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Thu 19/3

08:25-10:10

Nonstop1h 45m

Kobe

Tue 24/3

18:40-20:40

Nonstop2h 00m

$359

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Fri 6/3

08:25-10:10

Nonstop1h 45m

Kobe

Tue 10/3

18:40-20:40

Nonstop2h 00m

$360

Flights are sorted by cheapest return flights first.

Deals found on 28/12

Showing 1-10 of 59 results
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Best time to book a flight from Incheon Intl to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from Incheon Intl with our price prediction graph.
Estimated return 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 Incheon Intl Airport to Osaka

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

Use this chart to determine the optimal time to book a return flight from Incheon Intl to Osaka. Price data was last updated on 26 December 2025.

Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Incheon Intl Airport to Osaka. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $107). Flying from Incheon Intl Airport to Osaka in February is currently the most expensive (average of $254). 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 ICN to OSA?

Find hourly flight availability from Incheon Intl to Osaka. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 December 2025.

When flying from Incheon Intl Airport to Osaka, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 18% versus a flight at midday.

Weekly flight availability from Incheon Intl Airport to Osaka

Explore weekly flight availability from Incheon Intl to Osaka. 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 28 December 2025.

The most flights from ICN to OSA are scheduled on a Friday (62 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (46 on average).

How much does it cost for a return flight from Incheon Intl Airport to Osaka?

How often are flights from Incheon to Osaka delayed?

About 27% of weekly flights between Incheon and Osaka have experienced delays in the past year, with the average delay time being 98 minutes.

What is the most punctual flight time for Incheon to Osaka flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Incheon to Osaka flights?

Over the past year, Air Antilles have had the lowest number of delays on this route, with just 9% of flights being delayed.

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated 28 December 2025.
Read through reviews of airlines operating flights from Incheon Intl Airport to Osaka, such as Jeju Air. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.0

Overall

7.6

Boarding

8.0

Comfort

7.6

Crew

8.4

Entertainment

6.0

Food

6.0

Overall

7.6

Boarding

8.0

Comfort

7.6

Crew

8.4

Entertainment

6.0

Related info for your journey

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

    Jeju Air, Shandong Airlines, and Korean Air can get you from Incheon Intl Airport to Osaka in just under 1h 45m. Your travel time can differ by up to 15h 20m. The distance between Incheon Intl Airport and Osaka is about 858 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from Incheon Intl Airport to Osaka are Air Seoul ($69), Peach ($78), and Korean Air ($125).

  • What are the most popular routes from Incheon Intl Airport to Osaka?

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

    The top 3 most reliable airlines when flying from Incheon Intl Airport to Osaka are T'way Air (95%), Aero K (95%) and Air Busan (92%).

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

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Incheon Intl - Osaka Itami) can be booked for $673 on average, our data indicates $234 when flying from Incheon Intl Airport to Osaka.

  • Can I find deals for flights from Incheon Intl to Osaka that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to Osaka flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to Osaka?

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

  • Can I find deals for business class flights from Incheon Intl to Osaka?

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

    Currently, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $107). Flying from Incheon Intl Airport to Osaka in February is currently the most expensive (average of $254). 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

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Why should you use Cheapflights to find cheap flight tickets from Incheon Intl to Osaka?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Osaka from Incheon Intl.

Can Cheapflights find flights from Incheon Intl to Osaka with no change fees?

Certainly. Search results for flights to Osaka from Incheon Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Incheon Intl to Osaka become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Osaka from Incheon Intl today and book when prices fit your budget.

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