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Cheap flights from Incheon Intl Airport to Osaka from $74

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 19/6. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — OSA
18 Jun — 25 Jun1
1 adult

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 Wednesday or Tuesday 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 13 June 2025.

Round-trip from

$144

One-way from

$74

Popular in

January

Cheapest in

June

Average price

$189

Good one-way deal

$64 or less
Eastar Jet
  • Eastar Jet
  • 1/7-10/7
  • Nonstop
  • 3h 35m total
  • Incheon to Osaka
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Jeju Air
  • Jeju Air
  • 19/6
  • Nonstop
  • 1h 50m total
  • Incheon to Osaka
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($87 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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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 13 June 2025.

Wed 11/615:15ICN - KIX
Nonstop1h 45mEastar Jet
Tue 17/618:00KIX - ICN
Nonstop1h 55mEastar Jet
Deal found 10/6$144
Tue 17/607:10ICN - KIX
Nonstop1h 50mJeju Air
Tue 17/611:50KIX - ICN
Nonstop2h 00mJeju Air
Deal found 11/6$146
Fri 4/716:05ICN - KIX
Nonstop1h 55mJin Air
Sun 6/711:00KIX - ICN
Nonstop1h 50mJin Air
Deal found 13/6$152
Wed 25/615:55ICN - KIX
Nonstop2h 10mT'way Air
Fri 27/614:30KIX - ICN
Nonstop2h 00mT'way Air
Deal found 11/6$207
Wed 16/716:05ICN - KIX
Nonstop1h 45mAsiana Airlines
Fri 18/709:10KIX - ICN
Nonstop1h 50mAsiana Airlines
Deal found 11/6$230
Wed 9/708:25ICN - UKB
Nonstop1h 35mKorean Air
Wed 16/718:30UKB - ICN
Nonstop2h 10mKorean Air
Deal found 11/6$230
Thu 4/907:40ICN - KIX
Nonstop1h 50mKorean Air
Sun 7/912:35KIX - ICN
Nonstop1h 50mKorean Air
Deal found 12/6$362
Wed 9/714:40ICN - ITM
1 stop5h 30mMultiple Airlines
Wed 16/707:05ITM - ICN
1 stop5h 30mMultiple Airlines
Deal found 11/6$414
Wed 23/710:50ICN - KIX
1 stop9h 40mAir China
Mon 28/709:05KIX - ICN
1 stop7h 30mAir China
Deal found 12/6$562
Sun 9/1106:25ICN - KIX
1 stop32h 05mVietJet Air
Wed 12/1115:30KIX - ICN
1 stop13h 55mVietJet Air
Deal found 12/6$574
Sun 27/708:25ICN - UKB
Nonstop1h 35mMultiple Airlines
Sun 3/819:10UKB - ICN
1 stop9h 30mMultiple Airlines
Deal found 12/6$589
Wed 25/622:15ICN - KIX
2 stops22h 30mShandong Airlines
Fri 27/612:30KIX - ICN
1 stop9h 25mShandong Airlines
Deal found 11/6$613

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 13 June 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 1/7

15:15-17:00

Nonstop1h 45m

Osaka Kansai Intl

Thu 10/7

12:10-14:00

Nonstop1h 50m

$144

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 25/6

13:45-15:30

Nonstop1h 45m

Osaka Kansai Intl

Thu 26/6

09:50-11:50

Nonstop2h 00m

$146

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Thu 3/7

07:40-09:30

Nonstop1h 50m

Osaka Kansai Intl

Mon 7/7

13:10-15:00

Nonstop1h 50m

$163

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 25/6

15:55-18:05

Nonstop2h 10m

Osaka Kansai Intl

Fri 27/6

14:30-16:30

Nonstop2h 00m

$207

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 16/7

16:05-17:50

Nonstop1h 45m

Osaka Kansai Intl

Mon 28/7

09:10-11:00

Nonstop1h 50m

$230

IncheonKobe

ICN - UKB

ICNUKB

Incheon Intl

Wed 9/7

08:25-10:00

Nonstop1h 35m

Kobe

Wed 16/7

18:30-20:40

Nonstop2h 10m

$230

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 31/8

09:35-11:20

Nonstop1h 45m

Osaka Kansai Intl

Sun 7/9

12:35-14:25

Nonstop1h 50m

$278

IncheonOsaka

ICN - ITM

ICNITM

Incheon Intl

Wed 9/7

14:40-20:10

1 stop5h 30m

Osaka Itami

Wed 16/7

07:05-12:35

1 stop5h 30m

$414

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Wed 23/7

10:50-20:30

1 stop9h 40m

Osaka Kansai Intl

Mon 28/7

09:05-16:35

1 stop7h 30m

$562

IncheonOsaka

ICN - KIX

ICNKIX

Incheon Intl

Sun 9/11

06:25-14:30

1 stop32h 05m

Osaka Kansai Intl

Wed 12/11

15:30-05:25

1 stop13h 55m

$574

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 33 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 9 June 2025.

Booking 28 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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $534). Flying from Incheon Intl Airport to Osaka in December is currently the most expensive (average of $935). 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 13 June 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 morning, which can drop the price by up to 37% versus a flight in the evening.

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 13 June 2025.

The most flights from ICN to OSA are scheduled on a Wednesday (55 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (39 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 40.0 - 200.0 inches per month. June is typically the wettest month, when rainfall can reach 200.0 mm. January is typically the driest time to visit Osaka when rainfall is around 40.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 6.0 C).

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 13 June 2025.
Read reviews from past customers who have flown Korean Air, Japan Airlines and Asiana Airlines from Seoul to Osaka. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

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
1,091 reviews
Korean Air
8.4
Very Good
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

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
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

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
1,091 reviews
Check prices

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Food

8.1

Overall

8.4

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?

    Cheapflights users have booked flights from Incheon Intl Airport to Osaka round-trip from $144. Other airlines that can offer you cheap pricing are Jeju Air, from $146, and Jin Air, from $163. Users have found that Eastar Jet is 47% cheaper than the other options available to this destination.

  • 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 Jeju Air ($74), Jin Air ($81), and T'way Air ($84).

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

    Most travellers choose Incheon Intl - Osaka Kansai Intl, Incheon Intl - Osaka Itami or Incheon Intl - Kobe when deciding on the best 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 at all options, your cheapest flight can be booked for $49. While the most popular route (Incheon Intl - Osaka Kansai Intl) can be booked for $216 on average our data indicates $95 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, May is the cheapest month in which you can book a flight from Incheon Intl Airport to Osaka (average of $534). Flying from Incheon Intl Airport to Osaka in December is currently the most expensive (average of $935). 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

Travelling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
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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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