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$34+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 Thursday

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 July 3, 2025.

Round-trip from

$80
(Eastar Jet)

One-way from

$34
(Kiwi.com)

Popular in

January

Cheapest in

June

Average price

$124

Good round-trip deal

$96 or less

Good one-way deal

$48 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. 18% potential increase in price ($38 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 July 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 July 3, 2025.

This Eastar Jet deal was found by Cheapflights users on 7/3. 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.
Thu 7/33:15 pmICN - KIX
Nonstop1h 45mEastar Jet
Sat 7/53:10 pmKIX - ICN
Nonstop1h 45mEastar Jet
Deal found 7/3$80
This Jeju Air deal was found by Cheapflights users on 7/3. 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 7/139:10 amICN - KIX
Nonstop1h 50mJeju Air
Wed 7/161:35 pmKIX - ICN
Nonstop2h 10mJeju Air
Deal found 7/3$81
This Mytrip deal was found by Cheapflights users on 7/1. 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.
Fri 7/117:15 amICN - KIX
Nonstop1h 50mAir Seoul
Fri 7/114:15 pmKIX - ICN
Nonstop2h 10mAir Seoul
Deal found 7/1$84
This CheapOair deal was found by Cheapflights users on 7/1. 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.
Sun 7/208:00 amICN - KIX
Nonstop2h 05mT'way Air
Tue 7/2211:35 amKIX - ICN
Nonstop1h 55mT'way Air
Deal found 7/1$93
This Kiwi.com deal was found by Cheapflights users on 7/2. 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.
Sun 7/207:40 amICN - KIX
Nonstop1h 50mJin Air
Sun 7/201:10 pmKIX - ICN
Nonstop1h 50mJin Air
Deal found 7/2$98
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Wed 8/139:15 amICN - KIX
Nonstop1h 55mMultiple Airlines
Mon 8/187:55 pmKIX - ICN
Nonstop1h 55mMultiple Airlines
Deal found 7/1$130
This CheapOair deal was found by Cheapflights users on 7/3. 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.
Sat 9/2710:20 amICN - KIX
Nonstop1h 50mPeach
Mon 9/297:40 amKIX - ICN
Nonstop1h 55mPeach
Deal found 7/3$134
This FlightHub deal was found by Cheapflights users on 7/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/128:25 amICN - UKB
Nonstop1h 35mKorean Air
Sat 7/196:30 pmUKB - ICN
Nonstop2h 10mKorean Air
Deal found 7/1$159
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Thu 7/107:20 amICN - ITM
1 stop5h 35mMultiple Airlines
Sat 7/128:10 amITM - ICN
1 stop8h 05mMultiple Airlines
Deal found 7/1$282
This Gotogate deal was found by Cheapflights users on 7/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2410:50 amICN - ITM
1 stop5h 15mJapan Airlines
Sat 12/277:10 amITM - ICN
1 stop4h 50mJapan Airlines
Deal found 7/1$483
This Trip.com deal was found by Cheapflights users on 7/1. 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.
Thu 8/1412:30 pmICN - ITM
1 stop6h 25mANA
Sun 8/178:10 amITM - ICN
1 stop4h 50mANA
Deal found 7/1$538

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 July 3, 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

Tue 7/15

3:15 pm-5:00 pm

Nonstop1h 45m

Osaka Kansai Intl

Tue 7/22

12:10 pm-2:00 pm

Nonstop1h 50m

$80

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 7/13

9:10 am-11:00 am

Nonstop1h 50m

Osaka Kansai Intl

Wed 7/16

1:35 pm-3:45 pm

Nonstop2h 10m

$81

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sat 8/16

7:15 am-9:05 am

Nonstop1h 50m

Osaka Kansai Intl

Sat 8/23

4:15 pm-6:25 pm

Nonstop2h 10m

$92

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 7/20

8:00 am-10:05 am

Nonstop2h 05m

Osaka Kansai Intl

Tue 7/22

11:35 am-1:30 pm

Nonstop1h 55m

$93

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 7/20

7:40 am-9:30 am

Nonstop1h 50m

Osaka Kansai Intl

Sun 7/20

1:10 pm-3:00 pm

Nonstop1h 50m

$98

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Tue 8/12

8:00 am-10:05 am

Nonstop2h 05m

Osaka Kansai Intl

Mon 8/18

7:55 pm-9:50 pm

Nonstop1h 55m

$106

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sat 9/27

10:20 am-12:10 pm

Nonstop1h 50m

Osaka Kansai Intl

Mon 9/29

7:40 am-9:35 am

Nonstop1h 55m

$134

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Wed 9/10

3:50 pm-5:30 pm

Nonstop1h 40m

Kobe

Fri 9/26

6:30 pm-8:40 pm

Nonstop2h 10m

$166

IncheonOsaka

ICN - ITM

ICNITM

Incheon Intl

Thu 7/24

7:20 am-12:55 pm

1 stop5h 35m

Osaka Itami

Sat 7/26

10:40 am-3:45 pm

1 stop5h 05m

$288

IncheonOsaka

ICN - ITM

ICNITM

Incheon Intl

Wed 12/24

10:50 am-4:05 pm

1 stop5h 15m

Osaka Itami

Sat 12/27

7:10 am-12:00 pm

1 stop4h 50m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 26 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 27, 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 $884). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,319). 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 July 3, 2025.

It’s typically best to fly out from Incheon Intl Airport to Osaka in the afternoon. Doing so could potentially save you 26% 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. Sunday 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 July 3, 2025.

The most flights from ICN to OSA are scheduled on a Wednesday (56 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (41 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 July 3, 2025.
Get a feel of what it's like to fly with Korean Air, ANA, and Japan Airlines 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.
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

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
1,101 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

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
8.4
Very good
893 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

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
1,505 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

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
452 reviews
Korean Air
8.4
Very good
1,101 reviews

Boarding

8.5

Food

8.1

Crew

8.7

Comfort

8.3

Entertainment

8.2

Overall

8.4

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 $80, Eastar Jet will fly you from Incheon Intl Airport to Osaka and back. In addition to Eastar Jet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Jeju Air and Air Seoul - these airlines can fly you to your destination from $81 and $84, respectively. Eastar Jet 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 $34. Aero K flights start at $36 while deals on T'way Air start at $39 one-way.

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

    While some choose either Incheon Intl - Osaka Kansai Intl or Incheon Intl - Kobe, 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 (93%), T'way Air (79%) and Japan Airlines (79%).

  • 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 $38. The most popular route (Incheon Intl - Osaka Itami), is priced around $304.

  • 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 $884). Flying from Incheon Intl Airport to Osaka in June is currently the most expensive (average of $1,319). 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 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
T'way AirCheapest$55Average$150FlexibilityNo cancel feeOn-time88%
Jeju AirCheapest$86Average$156FlexibilityNo cancel feeOn-timeN/A
Air SeoulCheapest$91Average$130FlexibilityNo cancel feeOn-timeN/A
Air BusanCheapest$91Average$151FlexibilityNo cancel feeOn-time94%
Eastar JetCheapest$92Average$145FlexibilityNo cancel feeOn-time86%
Aero KCheapest$96Average$119FlexibilityNo cancel feeOn-timeN/A
Jin AirCheapest$104Average$187FlexibilityNo cancel feeOn-time78%
PeachCheapest$110Average$171FlexibilityNo cancel feeOn-time72%
Asiana AirlinesCheapest$164Average$249FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$181Average$284FlexibilityNo cancel feeOn-time81%

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