HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Osaka

$78+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
mar. 19 — mar. 261
jue. 3/19
jue. 3/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Incheon Intl to Osaka with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Incheon Intl to Osaka are usually found in July or August, booked 78 days in advance, depart on a Monday or Tuesday and return on a Saturday

Cheap 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 febrero 17, 2026.

This Jeju Air deal was found by Cheapflights users on 2/15. 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.
mié. 4/297:10 am
ICN
-
KIX
Nonstop1h 55m
Jeju Air
vie. 5/19:10 am
KIX
-
ICN
Nonstop1h 50m
Jeju Air
Deal found 2/15$162
This Jeju Air deal was found by Cheapflights users on 2/15. 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.
lun. 4/207:10 am
ICN
-
KIX
Nonstop1h 55m
Jeju Air
jue. 4/2310:05 am
KIX
-
ICN
Nonstop2h 00m
Jeju Air
Deal found 2/15$163
This Jeju Air deal was found by Cheapflights users on 2/13. 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.
lun. 4/137:10 am
ICN
-
KIX
Nonstop1h 55m
Jeju Air
mié. 4/1510:05 am
KIX
-
ICN
Nonstop2h 00m
Jeju Air
Deal found 2/13$164
This Jeju Air deal was found by Cheapflights users on 2/17. 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.
jue. 5/285:00 pm
ICN
-
KIX
Nonstop1h 55m
Jeju Air
sáb. 5/309:10 am
KIX
-
ICN
Nonstop1h 50m
Jeju Air
Deal found 2/17$165
This Jin Air deal was found by Cheapflights users on 2/15. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/292:40 pm
ICN
-
KIX
Nonstop1h 50m
Jin Air
vie. 7/101:10 pm
KIX
-
ICN
Nonstop1h 50m
Jin Air
Deal found 2/15$166
This Jeju Air deal was found by Cheapflights users on 2/16. 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.
mié. 5/207:20 pm
ICN
-
KIX
Nonstop1h 45m
Jeju Air
vie. 5/2210:05 am
KIX
-
ICN
Nonstop2h 00m
Jeju Air
Deal found 2/16$167
This Eastar Jet deal was found by Cheapflights users on 2/13. 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 Eastar Jet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/153:15 pm
ICN
-
KIX
Nonstop1h 45m
Eastar Jet
vie. 4/1712:10 pm
KIX
-
ICN
Nonstop1h 50m
Eastar Jet
Deal found 2/13$168
This Jeju Air deal was found by Cheapflights users on 2/15. 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.
mar. 4/287:10 am
ICN
-
KIX
Nonstop1h 55m
Jeju Air
jue. 4/3010:50 am
KIX
-
ICN
Nonstop1h 50m
Jeju Air
Deal found 2/15$169
This Jeju Air deal was found by Cheapflights users on 2/15. 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.
lun. 5/255:00 pm
ICN
-
KIX
Nonstop1h 55m
Jeju Air
jue. 5/2810:50 am
KIX
-
ICN
Nonstop1h 50m
Jeju Air
Deal found 2/15$170
This Jeju Air deal was found by Cheapflights users on 2/13. 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.
lun. 4/279:05 am
ICN
-
KIX
Nonstop1h 55m
Jeju Air
jue. 4/3010:50 am
KIX
-
ICN
Nonstop1h 50m
Jeju Air
Deal found 2/13$171
This Jeju Air deal was found by Cheapflights users on 2/13. 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.
sáb. 4/117:20 pm
ICN
-
KIX
Nonstop1h 45m
Jeju Air
mar. 4/1410:05 am
KIX
-
ICN
Nonstop2h 00m
Jeju Air
Deal found 2/13$172
This Jin Air deal was found by Cheapflights users on 2/13. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/112:40 pm
ICN
-
KIX
Nonstop1h 50m
Jin Air
vie. 5/1511:10 am
KIX
-
ICN
Nonstop1h 50m
Jin Air
Deal found 2/13$173

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 febrero 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$162
(Jeju Air)

One-way from

$78
(Korean Air)

Popular in

February

Cheapest in

July

Average price

$309

Good round-trip deal

$175 or less

Good one-way deal

$85 or less
Provider with most accurate pricing for Incheon Intl-Osaka (OSA) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Incheon Intl-Osaka (OSA) flights.
Search Deals
From Incheon Intl to Osaka (OSA)
Search Deals
One-way flight from Incheon Intl to Osaka (OSA)
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Incheon Intl to Osaka (OSA).
Search Deals
Price to beat on a one-way flight from Incheon Intl to Osaka (OSA).
Search Deals

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 febrero 17, 2026.
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

vie. 4/17

7:20 pm-9:05 pm

Nonstop1h 45m

Osaka Kansai Intl

lun. 4/20

10:05 am-12:05 pm

Nonstop2h 00m

$178

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mar. 3/17

8:05 am-9:40 am

Nonstop1h 35m

Osaka Kansai Intl

mié. 3/18

10:50 am-12:50 pm

Nonstop2h 00m

$180

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

vie. 4/10

7:20 pm-9:05 pm

Nonstop1h 45m

Osaka Kansai Intl

lun. 4/13

9:10 am-11:00 am

Nonstop1h 50m

$189

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

mar. 4/28

3:50 pm-5:45 pm

Nonstop1h 55m

Kobe

jue. 5/7

6:55 pm-8:50 pm

Nonstop1h 55m

$192

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

jue. 4/23

7:20 pm-9:05 pm

Nonstop1h 45m

Osaka Kansai Intl

dom. 4/26

10:05 am-12:05 pm

Nonstop2h 00m

$196

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

sáb. 4/18

3:55 pm-6:05 pm

Nonstop2h 10m

Osaka Kansai Intl

mar. 4/21

11:35 am-1:30 pm

Nonstop1h 55m

$197

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

vie. 5/15

8:50 pm-10:40 pm

Nonstop1h 50m

Osaka Kansai Intl

sáb. 5/16

2:15 am-4:05 am

Nonstop1h 50m

$197

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

sáb. 5/16

8:50 pm-10:40 pm

Nonstop1h 50m

Osaka Kansai Intl

dom. 5/17

2:15 am-4:05 am

Nonstop1h 50m

$197

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

jue. 3/5

11:05 am-12:50 pm

Nonstop1h 45m

Osaka Kansai Intl

mié. 3/18

9:00 am-11:05 am

Nonstop2h 05m

$197

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

lun. 6/1

7:00 pm-9:00 pm

Nonstop2h 00m

Osaka Kansai Intl

jue. 6/4

2:15 am-4:05 am

Nonstop1h 50m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 57 results
1
2
3
...
6

Compare providers for flights from Incheon Intl to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to Osaka in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-Osaka flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 February 13, 2026.

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 78 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $72). Flying from Incheon Intl Airport to Osaka in February is currently the most expensive (average of $164). 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 febrero 17, 2026.

It’s typically best to fly out from Incheon Intl Airport to Osaka at noon. Doing so could potentially save you 22% 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 February 17, 2026.

Travelers seeking maximum savings on their Incheon Intl Airport to Osaka flight should consider departing on Wednesday 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 febrero 17, 2026.

The most flights from ICN to OSA are scheduled on a Monday (69 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (54 on average).

How often are flights from Incheon to Osaka delayed?

About 23% 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 last year, Air Antilles have had the lowest number of delays on this route, with just 8% 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 febrero 17, 2026.
Get a feel of what it's like to fly with Jin Air, Asiana Airlines, and Jeju Air 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.
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Food

7.7

Overall

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.9
Jin Air
8.6
Very good
22 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Food

7.7

Overall

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.9
Asiana Airlines
8.1
Very good
504 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Food

7.7

Overall

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.9
Jeju Air
7.6
Good
35 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Food

7.7

Overall

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.9
Peach
6.8
Okay
85 reviews
Jin Air
8.6
Very good
22 reviews

Crew

9.1

Food

7.7

Overall

8.6

Entertainment

7.5

Comfort

8.0

Boarding

8.9

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?

    A quick flight from Incheon Intl Airport to Osaka can take about 1h 45m. Jeju Air provides one of the quickest options available for as low as $178. The distance from Incheon Intl Airport to Osaka is about 533 mi. Most flights are nonstop.

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

    Currently priced at $49, Aero K will fly you from Incheon Intl Airport to Osaka and back. In addition to Aero K, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from T'way Air and Peach - these airlines can fly you to your destination from $55 and $61, respectively. Aero K is priced at 73% 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 Aero K, which is currently one of the cheapest options available, starting at $28. Eastar Jet flights start at $32 while deals on Air Seoul start at $34 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 Eastar Jet (97%), Virgin Atlantic (95%) and T'way Air (93%).

  • 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 $168, our data indicates the cheapest price to be $69. The most popular route (Incheon Intl - Osaka Itami), is priced around $418.

  • 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, August is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $72). Flying from Incheon Intl Airport to Osaka in February is currently the most expensive (average of $164). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 febrero 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Aero KCheapest$49Average$119FlexibilityNo cancel feeOn-timeN/A
T'way AirCheapest$55Average$120FlexibilityNo cancel feeOn-time88%
PeachCheapest$61Average$166FlexibilityNo cancel feeOn-time72%
Eastar JetCheapest$73Average$116FlexibilityNo cancel feeOn-time86%
Air SeoulCheapest$78Average$123FlexibilityNo cancel feeOn-timeN/A
Air BusanCheapest$79Average$129FlexibilityNo cancel feeOn-time94%
Jeju AirCheapest$83Average$141FlexibilityNo cancel feeOn-timeN/A
Korean AirCheapest$93Average$236FlexibilityNo cancel feeOn-time81%
Jin AirCheapest$104Average$171FlexibilityNo cancel feeOn-time78%
Asiana AirlinesCheapest$143Average$255FlexibilityNo cancel feeOn-time76%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.