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$44+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to Osaka are usually found in June or July, booked 28 days in advance, depart on a Tuesday or Sunday 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 junio 12, 2025.

Round-trip from

$82
(Booking.com)

One-way from

$44
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$123

Good round-trip deal

$109 or less

Good one-way deal

$49 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. 17% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:15 amICN - KIX
Nonstop1h 50mAir Seoul
jue. 7/179:55 amKIX - ICN
Nonstop2h 00mAir Seoul
Deal found 6/10$82
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/173:55 pmICN - KIX
Nonstop2h 10mT'way Air
jue. 6/1911:35 amKIX - ICN
Nonstop1h 55mT'way Air
Deal found 6/12$86
This Trip.com deal was found by Cheapflights users on 6/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/173:15 pmICN - KIX
Nonstop1h 45mEastar Jet
jue. 6/1912:10 pmKIX - ICN
Nonstop1h 50mEastar Jet
Deal found 6/12$88
This Jetabroad deal was found by Cheapflights users on 6/12. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/273:25 pmICN - KIX
Nonstop2h 15mAir Busan
lun. 6/301:30 pmKIX - ICN
Nonstop2h 15mAir Busan
Deal found 6/12$93
This Jeju Air deal was found by Cheapflights users on 6/11. 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 Jeju Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/177:10 amICN - KIX
Nonstop1h 50mJeju Air
mar. 6/1711:50 amKIX - ICN
Nonstop2h 00mJeju Air
Deal found 6/11$95
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:05 amICN - KIX
Nonstop1h 40mMultiple Airlines
mié. 9/247:40 amKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 6/12$104
This Jin Air deal was found by Cheapflights users on 6/12. 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 Jin Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/37:40 amICN - KIX
Nonstop1h 50mJin Air
lun. 7/71:10 pmKIX - ICN
Nonstop1h 50mJin Air
Deal found 6/12$106
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/117:05 amICN - KIX
Nonstop1h 40mAero K
mié. 8/139:45 amKIX - ICN
Nonstop1h 40mAero K
Deal found 6/11$139
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/107:30 amICN - KIX
Nonstop1h 50mPeach
mar. 9/167:55 pmKIX - ICN
Nonstop1h 55mPeach
Deal found 6/11$145
This Asiana Airlines deal was found by Cheapflights users on 6/11. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/164:05 pmICN - KIX
Nonstop1h 45mAsiana Airlines
lun. 7/289:10 amKIX - ICN
Nonstop1h 50mAsiana Airlines
Deal found 6/11$150
This Trip.com deal was found by Cheapflights users on 6/11. 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.
mar. 6/248:25 amICN - UKB
Nonstop1h 35mKorean Air
mié. 6/2511:00 amUKB - ICN
Nonstop2h 00mKorean Air
Deal found 6/11$165
This Korean Air deal was found by Cheapflights users on 6/12. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/173:05 pmICN - KIX
Nonstop2h 00mKorean Air
jue. 10/2312:35 pmKIX - ICN
Nonstop1h 50mKorean Air
Deal found 6/12$201

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 junio 12, 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

jue. 7/10

7:15 am-9:05 am

Nonstop1h 50m

Osaka Kansai Intl

jue. 7/17

9:55 am-11:55 am

Nonstop2h 00m

$82

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mar. 7/1

3:25 pm-5:40 pm

Nonstop2h 15m

Osaka Kansai Intl

vie. 7/4

4:00 pm-6:10 pm

Nonstop2h 10m

$87

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mar. 7/1

3:15 pm-5:00 pm

Nonstop1h 45m

Osaka Kansai Intl

jue. 7/10

12:10 pm-2:00 pm

Nonstop1h 50m

$94

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mié. 6/25

1:45 pm-3:30 pm

Nonstop1h 45m

Osaka Kansai Intl

jue. 6/26

9:50 am-11:50 am

Nonstop2h 00m

$95

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mié. 6/25

3:55 pm-6:05 pm

Nonstop2h 10m

Osaka Kansai Intl

mar. 7/1

11:35 am-1:30 pm

Nonstop1h 55m

$100

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

dom. 9/21

7:05 am-8:45 am

Nonstop1h 40m

Osaka Kansai Intl

mié. 9/24

7:40 am-9:35 am

Nonstop1h 55m

$104

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

jue. 7/3

7:40 am-9:30 am

Nonstop1h 50m

Osaka Kansai Intl

lun. 7/7

1:10 pm-3:00 pm

Nonstop1h 50m

$106

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

lun. 8/11

7:05 am-8:45 am

Nonstop1h 40m

Osaka Kansai Intl

mié. 8/13

9:45 am-11:25 am

Nonstop1h 40m

$139

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mié. 9/10

7:30 am-9:20 am

Nonstop1h 50m

Osaka Kansai Intl

mar. 9/16

7:55 pm-9:50 pm

Nonstop1h 55m

$145

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

mié. 7/16

4:05 pm-5:50 pm

Nonstop1h 45m

Osaka Kansai Intl

lun. 7/28

9:10 am-11:00 am

Nonstop1h 50m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 43 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 June 9, 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 $888). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,324). 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 junio 12, 2025.

It’s typically best to fly out from Incheon Intl Airport to Osaka in the afternoon. Doing so could potentially save you 25% 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 mornings 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 junio 12, 2025.

The most flights from ICN to OSA are scheduled on a Wednesday (54 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (37 on average).

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

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 junio 12, 2025.
Read reviews from past customers who have flown Korean Air, Japan Airlines and ANA from Seoul to Osaka. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Japan Airlines
8.3
Very good
1,490 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
ANA
8.3
Very good
882 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very good
440 reviews
Korean Air
8.4
Very good
1,088 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

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 $82, Air Seoul will fly you from Incheon Intl Airport to Osaka and back. In addition to Air Seoul, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Busan and Eastar Jet - these airlines can fly you to your destination from $87 and $94, respectively. Air Seoul is priced at 54% 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 Eastar Jet, which is currently one of the cheapest options available, starting at $44. Air Seoul flights start at $45 while deals on Jin Air start at $46 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 (95%), Jeju Air (88%) and T'way Air (83%).

  • 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 $182, our data indicates the cheapest price to be $37. The most popular route (Incheon Intl - Osaka Itami), is priced around $319.

  • 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 $888). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,324). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport 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 9 airlines flying from Incheon Intl to Osaka

Discover the top 9 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$55Average$151FlexibilityNo cancel feeOn-time88%
Jeju AirCheapest$86Average$164FlexibilityNo cancel feeOn-timeN/A
Eastar JetCheapest$92Average$146FlexibilityNo cancel feeOn-time86%
Air BusanCheapest$103Average$157FlexibilityNo cancel feeOn-time94%
Jin AirCheapest$104Average$186FlexibilityNo cancel feeOn-time78%
Air SeoulCheapest$105Average$144FlexibilityNo cancel feeOn-timeN/A
PeachCheapest$106Average$172FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$167Average$250FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$181Average$282FlexibilityNo cancel feeOn-time81%

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