Find flights
Deals
When to book
FAQs

Cheap flights from Osaka to Seoul from $123

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 26/11. Fares are subject to change and may not be available on all flights or dates of travel.
OSA — SEL
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Osaka to Seoul are usually found in July or August, booked 88 days in advance, depart on a Tuesday or Thursday and return on a Sunday

Find flight deals from Osaka to Seoul

Enter your travel dates to find the best prices.

Cheapest flights from Osaka to Seoul
Explore the most affordable flight options available from Osaka to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Thu 18/1211:05KIX - ICN
Nonstop2h 05mJin Air
Mon 22/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$218
Thu 27/1108:55KIX - ICN
Nonstop2h 00mAero K
Thu 4/1219:25ICN - KIX
Nonstop1h 50mAero K
Deal found 28/10$224
Thu 27/1111:05KIX - ICN
Nonstop2h 05mJin Air
Thu 4/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$228
Wed 26/1112:00KIX - ICN
Nonstop2h 00mJin Air
Thu 4/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$236
Thu 18/1209:00KIX - ICN
Nonstop2h 00mJeju Air
Mon 22/1216:55ICN - KIX
Nonstop1h 45mJeju Air
Deal found 28/10$251
Tue 2/1212:00KIX - ICN
Nonstop2h 00mJin Air
Thu 4/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$256
Tue 16/1209:00KIX - ICN
Nonstop2h 00mJeju Air
Thu 18/1216:55ICN - KIX
Nonstop1h 45mJeju Air
Deal found 28/10$260
Wed 26/1111:05KIX - ICN
Nonstop2h 05mJin Air
Sun 30/1108:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 28/10$265
Sat 13/1211:05KIX - ICN
Nonstop2h 05mJin Air
Mon 15/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$266
Wed 3/1211:05KIX - ICN
Nonstop2h 05mJin Air
Sat 6/1215:00ICN - KIX
Nonstop1h 50mJin Air
Deal found 30/10$271

Cheap flight deals from Osaka to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Osaka (OSA) to Seoul (SEL). 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 31 October 2025.

Round-trip from

$218

One-way from

$125

Popular in

February

Cheapest in

July

Average price

$341

Good one-way deal

$84 or less
Jin Air
  • Jin Air
  • 18/12-22/12
  • Nonstop
  • 3h 55m total
  • Osaka to Seoul
Search Deals
Jeju Air
  • Jeju Air
  • 26/11
  • Nonstop
  • 2h 10m total
  • Osaka to Seoul
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a one-way flight from Osaka (OSA) to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Osaka to Seoul 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 31 October 2025.
Use the filters below to find and compare flights from Osaka to Seoul that are best for you.

Fly from

Osaka

Fly to

Seoul

Route

Depart

Return

Price

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Tue 16/12

09:00-11:00

Nonstop2h 00m

Incheon Intl

Thu 18/12

16:55-18:40

Nonstop1h 45m

$236

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 27/11

11:05-13:10

Nonstop2h 05m

Incheon Intl

Thu 4/12

15:00-16:50

Nonstop1h 50m

$256

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 18/12

11:05-13:10

Nonstop2h 05m

Incheon Intl

Sat 20/12

15:00-16:50

Nonstop1h 50m

$256

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Sun 21/12

09:00-11:00

Nonstop2h 00m

Incheon Intl

Tue 23/12

16:55-18:40

Nonstop1h 45m

$297

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Wed 24/12

09:00-11:00

Nonstop2h 00m

Incheon Intl

Fri 26/12

19:10-20:55

Nonstop1h 45m

$329

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Wed 24/12

09:00-11:00

Nonstop2h 00m

Incheon Intl

Sat 27/12

19:10-20:55

Nonstop1h 45m

$332

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 25/12

11:15-13:25

Nonstop2h 10m

Incheon Intl

Wed 31/12

07:55-09:55

Nonstop2h 00m

$394

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Fri 26/12

10:50-12:50

Nonstop2h 00m

Incheon Intl

Mon 29/12

08:05-09:40

Nonstop1h 35m

$417

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Mon 3/11

11:05-13:10

Nonstop2h 05m

Incheon Intl

Wed 5/11

08:00-09:50

Nonstop1h 50m

$419

OsakaIncheon

KIX - ICN

KIXICN

Osaka Kansai Intl

Thu 27/11

19:30-22:20

1 stop26h 50m

Incheon Intl

Thu 4/12

23:20-18:30

1 stop19h 10m

$422

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 20 results
1
2

Best time to book a flight from Osaka to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Osaka 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 Osaka to Seoul

How far ahead should I book a flight from Osaka to Seoul?

Use this chart to determine the optimal time to book a return flight from Osaka to Seoul. Price data was last updated on 24 October 2025.

Booking 88 days in advance of your planned departure date is, on average, the best time to get cheap flights from Osaka to Seoul. 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 Osaka to Seoul?

Currently, June is the cheapest month in which you can book a flight from Osaka to Seoul (average of $58). Flying from Osaka to Seoul in February is currently the most expensive (average of $236). 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 OSA to SEL?

Find hourly flight availability from Osaka to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

A simple way to save on the total cost of your ticket is to fly from Osaka to Seoul in the evening. If you’re flexible enough to do this you can expect to save up to 72% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Osaka to Seoul

Explore weekly flight availability from Osaka to Seoul. 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 31 October 2025.

The most flights from OSA to SEL are scheduled on a Wednesday (67 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (62 on average).

Related info for your journey

Find useful and relevant information for your journey from Osaka to Seoul. 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 Osaka to Seoul?

    For as low as $236, Jeju Air can have you in Seoul from Osaka in 2h. There are 858 km between Osaka and Seoul. Generally, flights for this route are direct.

  • What are the most reliable airlines from Osaka to Seoul?

    Before booking your flight to Seoul from Osaka, have a look at the most reliable airlines to get you to your destination on time: Air Busan (86%), Jeju Air (84%), Peach( 83%).

  • What are the cheapest flights from Osaka to Seoul?

    Looking at all options, your cheapest flight can be booked for $92. While the most popular route (Osaka Kansai Intl - Incheon Intl) can be booked for $484 on average, our data indicates $210 when flying from Osaka to Seoul.

  • Can I find deals for flights from Osaka to Seoul that include hotel bookings?

    Yes. In addition to deals on Osaka to Seoul flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Osaka to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Osaka to Seoul.

  • Can I find deals for business class flights from Osaka to Seoul?

    Yes. Cheapflights offers flight deals from Osaka to Seoul 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 Osaka to Seoul?

    Currently, June is the cheapest month in which you can book a flight from Osaka to Seoul (average of $58). Flying from Osaka to Seoul in February is currently the most expensive (average of $236). 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

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 Osaka to Seoul

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Osaka to Seoul?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Osaka to Seoul. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Osaka to Seoul?

Cheapflights helps you find that perfect flight to Seoul from Osaka by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Osaka to Seoul with no change fees?

Certainly. Search results for flights to Seoul from Osaka 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 Osaka to Seoul become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.