Cheap flights from Osaka to Seoul

One-way fares from ¥15,122 · OSA → SEL · prices found by travellers in the last 48 hours

Compare all dates Seoul → Osaka
Cheapest fare
¥15,122

Jeju Air · Mon, Dec 21

Cheapest month
December

from ¥15,122

Direct flights
Yes

Trinity Airways, Jeju Air, Peach + 2 more

Flight time
1h 50m

830 km

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Cheapest month to fly from Osaka to Seoul

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 ¥15,395
  2. December 2026 Cheapest ¥15,122
  3. January 2027 ¥16,185
  4. February 2027 ¥17,026
  5. March 2027 ¥16,567
  6. April 2027 ¥22,852
  7. May 2027 ¥25,366
  8. June 2027 ¥30,901
  9. July 2027 ¥26,346
  10. October 2027 ¥19,580

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Jeju Air
Depart10:50 Mon, Dec 21KIX → ICN 2h 05m · Direct
¥15,122one way, per person
View deal
Jeju Air
Depart09:50 Tue, Dec 15KIX → ICN 2h 05m · Direct
¥15,955one way, per person
View deal
Jeju Air
Depart08:50 Wed, Dec 9KIX → ICN 2h 10m · Direct
¥16,009one way, per person
View deal
Jeju Air
Depart08:50 Thu, Dec 10KIX → ICN 2h 10m · Direct
¥16,290one way, per person
View deal
Eastar Jet
Depart12:55 Wed, Dec 16KIX → ICN 2h 00m · Direct
¥17,033one way, per person
View deal
Jeju Air
Depart10:50 Sat, Dec 19KIX → ICN 2h 05m · Direct
¥17,213one way, per person
View deal
Jeju Air
Depart16:10 Thu, Dec 17UKB → ICN 2h 05m · Direct
¥17,313one way, per person
View deal
Peach
Depart11:45 Tue, Dec 8KIX → ICN 2h 05m · Direct
¥17,626one way, per person
View deal
See every date in December 2026 →

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Where to stay, what to do and getting around, from our travel partners.

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Getting around

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About flights from Osaka to Seoul

Osaka (OSA) and Seoul (SEL) are about 830 km apart. Direct flights take around 1h 50m, and recent direct fares were with Trinity Airways, Jeju Air, Peach, Eastar Jet and Air Busan. Over the next few months, one-way fares start from ¥15,122, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Osaka to Seoul?

The cheapest one-way fare we've seen recently is ¥15,122 with Jeju Air, departing Monday, December 21, 2026. Over the coming months, the lowest fare in each month ranges from ¥15,122 to ¥30,901.

What is the cheapest month to fly from Osaka to Seoul?

December 2026 currently has the lowest fares, from ¥15,122 one way.

Are there direct flights from Osaka to Seoul?

Yes. Recent direct fares were with Trinity Airways, Jeju Air, Peach, Eastar Jet and Air Busan.

How long is the flight from Osaka to Seoul?

A direct flight takes about 1h 50m. Osaka and Seoul are around 830 km apart.

Which airlines fly from Osaka to Seoul?

Recent fares on this route were with Trinity Airways, Jeju Air, Peach, Eastar Jet, Jetstar Japan and Air Busan.

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