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$37+ Cheap flights from Incheon Intl (ICN) to Osaka (OSA)

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
Aug 18 — Aug 251
Mon 8/18
Mon 8/25
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Osaka are usually found in July or August, booked 28 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap 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 August 13, 2025.

Round-trip from

$86
(Jeju Air)

One-way from

$37
(Booking.com)

Popular in

October

Cheapest in

July

Average price

$120

Good round-trip deal

$106 or less

Good one-way deal

$46 or less
From Incheon Intl to Osaka (OSA)
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One-way flight from Incheon Intl to Osaka (OSA)
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Highest demand for flights based on searches. 8% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Incheon Intl to Osaka (OSA).
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Price to beat on a one-way flight from Incheon Intl to Osaka (OSA).
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Find flight deals from Incheon Intl to Osaka

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 August 13, 2025.

This Jeju Air deal was found by Cheapflights users on 8/10. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:10 amICN - KIX
Nonstop1h 50mJeju Air
Fri 9/51:35 pmKIX - ICN
Nonstop2h 10mJeju Air
Deal found 8/10$86
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Tue 9/167:10 amICN - KIX
Nonstop1h 50mJeju Air
Wed 9/241:35 pmKIX - ICN
Nonstop2h 10mJeju Air
Deal found 8/10$90
This Kiwi.com deal was found by Cheapflights users on 8/10. 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.
Mon 9/19:10 amICN - KIX
Nonstop1h 50mMultiple Airlines
Mon 9/86:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/10$96
This Kiwi.com deal was found by Cheapflights users on 8/11. 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.
Tue 9/29:15 amICN - KIX
Nonstop1h 55mMultiple Airlines
Thu 9/412:25 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/11$97
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:15 amICN - KIX
Nonstop1h 50mAir Seoul
Wed 9/176:00 pmKIX - ICN
Nonstop1h 55mAir Seoul
Deal found 8/10$99
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:10 amICN - KIX
Nonstop1h 50mMultiple Airlines
Fri 10/36:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/12$101
This Booking.com deal was found by Cheapflights users on 8/11. 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.
Thu 8/219:15 amICN - KIX
Nonstop1h 55mMultiple Airlines
Sat 8/234:15 pmKIX - ICN
Nonstop2h 10mMultiple Airlines
Deal found 8/11$102
This Trip.com deal was found by Cheapflights users on 8/11. 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.
Tue 8/267:10 amICN - KIX
Nonstop1h 50mMultiple Airlines
Tue 9/26:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/11$104
This Trip.com deal was found by Cheapflights users on 8/10. 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 8/297:10 amICN - KIX
Nonstop1h 50mMultiple Airlines
Mon 9/16:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/10$105
This Jeju Air deal was found by Cheapflights users on 8/12. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:10 amICN - KIX
Nonstop1h 50mJeju Air
Wed 10/111:50 amKIX - ICN
Nonstop2h 00mJeju Air
Deal found 8/12$106
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:00 pmICN - KIX
Nonstop1h 50mMultiple Airlines
Thu 9/256:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/12$107
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:00 pmICN - KIX
Nonstop1h 50mMultiple Airlines
Tue 9/236:15 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 8/12$108

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated August 13, 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

Wed 8/27

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Thu 8/28

9:50 am-11:50 am

Nonstop2h 00m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 8/31

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 9/3

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 8/26

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Thu 8/28

9:50 am-11:50 am

Nonstop2h 00m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 8/31

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Thu 9/4

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Fri 9/26

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Tue 9/30

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 9/3

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 9/3

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 9/10

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 9/17

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 9/3

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 9/10

1:35 pm-3:45 pm

Nonstop2h 10m

$86

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 11/11

7:55 am-9:55 am

Nonstop2h 00m

Osaka Kansai Intl

Thu 11/13

3:40 pm-5:55 pm

Nonstop2h 15m

$99

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Fri 9/26

7:10 am-9:00 am

Nonstop1h 50m

Osaka Kansai Intl

Fri 10/3

4:30 pm-6:35 pm

Nonstop2h 05m

$106

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 57 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 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 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 round-trip flight from Incheon Intl to Osaka. Price data was last updated on August 8, 2025.

The price you pay for your flight from Incheon Intl Airport to Osaka may vary depending on when you book. For the best chance of a lower fare, look to book 28 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $873). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,313). 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 August 13, 2025.

It’s typically best to fly out from Incheon Intl Airport to Osaka in the morning. Doing so could potentially save you 28% on the flight price compared to flying in the evening, which is usually more expensive.

What is the cheapest day to fly from Incheon Intl Airport to Osaka?

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to Osaka. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Incheon Intl Airport to Osaka flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 August 13, 2025.

The most flights from ICN to OSA are scheduled on a Tuesday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 on average).

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 August 13, 2025.
Get a feel of what it's like to fly with Peach from Incheon Intl Airport to Osaka by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Peach
6.7
Okay
81 reviews

Overall

6.7

Entertainment

5.4

Comfort

5.7

Boarding

6.7

Food

5.1

Crew

7.1

Reviews

1 / 1
8.0
Excellent

Sachio,Feb 2024

TPE - HND

Peach is a low-cost carrier, so of course you get what you pay for. Also, the boarding gate was one of the furthest from immigration. But, overall, the crews are polite and nice and the flight was convenient.
Peach
6.7
Okay
81 reviews
Peach
6.7
Okay
81 reviews

Overall

6.7

Entertainment

5.4

Comfort

5.7

Boarding

6.7

Food

5.1

Crew

7.1

Reviews

1 / 1
8.0
Excellent

Sachio,Feb 2024

TPE - HND

Peach is a low-cost carrier, so of course you get what you pay for. Also, the boarding gate was one of the furthest from immigration. But, overall, the crews are polite and nice and the flight was convenient.

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.

  • What are the cheapest airlines flying from Incheon Intl Airport to Osaka round-trip?

    Currently priced at $86, Jeju Air will fly you from Incheon Intl Airport to Osaka and back. In addition to Jeju Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Korean Air for as low as $151. Jeju Air is priced at 49% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with Air Seoul, which is currently one of the cheapest options available, starting at $37. Eastar Jet flights start at $40 while deals on Jeju Air start at $43 one-way.

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

    While some choose either Incheon Intl - Kobe or Incheon Intl - Osaka Kansai Intl, Incheon Intl - Osaka Itami is the most popular route 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 Air Busan (86%), Eastar Jet (62%) and MIAT Mongolian (59%).

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

    Looking for the cheapest flight from Incheon Intl Airport to Osaka? While on average our users pay $99, our data indicates the cheapest price to be $30. The most popular route (Incheon Intl - Osaka Itami), is priced around $268.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $873). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,313). 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

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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Alternative routes for Incheon Intl to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Gimpo Intl to Kansai Intl flights
Incheon Intl to Kansai Intl flights

Top 10 airlines flying from Incheon Intl to Osaka

Discover the top 10 airlines that operate flights from Incheon Intl to Osaka. 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 August 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$55Average$142FlexibilityNo cancel feeOn-time88%
Aero KCheapest$73Average$119FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$73Average$125FlexibilityNo cancel feeOn-time86%
Air BusanCheapest$79Average$142FlexibilityNo cancel feeOn-time94%
Air SeoulCheapest$85Average$125FlexibilityNo cancel feeOn-timeN/A
Jeju AirCheapest$86Average$149FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$104Average$181FlexibilityNo cancel feeOn-time78%
PeachCheapest$121Average$172FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$156Average$248FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$190Average$275FlexibilityNo cancel feeOn-time81%

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