Cheap flights from Osaka to Jeju

One-way fares from ¥21,390 · OSA → CJU · prices found by travellers in the last 48 hours

Cheapest fare
¥21,390

Jeju Air · Wed, Dec 9

Cheapest month
December

from ¥21,390

Direct flights
Yes

Trinity Airways

Flight time
2h 00m

840 km

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Cheapest month to fly from Osaka to Jeju

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

  1. November 2026 ¥23,417
  2. December 2026 Cheapest ¥21,390
  3. January 2027 ¥30,058
  4. February 2027 ¥28,194
  5. April 2027 ¥41,926
  6. June 2027 ¥39,712

Cheapest dates in December 2026

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

Jeju Air
Depart10:50 Wed, Dec 9KIX → CJU 3h 20m · 1 stop
¥21,390one way, per person
View deal
Eastar Jet
Depart10:50 Thu, Dec 3KIX → CJU 2h 35m · 1 stop
¥21,819one way, per person
View deal
Jeju Air
Depart10:40 Tue, Dec 8KIX → CJU 2h 30m · 1 stop
¥23,031one way, per person
View deal
Trinity Airways
Depart12:00 Mon, Dec 7KIX → CJU 2h 00m · Direct
¥24,202one way, per person
View deal
Trinity Airways
Depart12:00 Sun, Dec 6KIX → CJU 2h 00m · Direct
¥27,623one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Jeju

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

About flights from Osaka to Jeju

Osaka (OSA) and Jeju (CJU) are about 840 km apart. Direct flights take around 2h 00m, and recent direct fares were with Trinity Airways. Over the next few months, one-way fares start from ¥21,390, 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 Jeju?

The cheapest one-way fare we've seen recently is ¥21,390 with Jeju Air, departing Wednesday, December 9, 2026. Over the coming months, the lowest fare in each month ranges from ¥21,390 to ¥41,926.

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

December 2026 currently has the lowest fares, from ¥21,390 one way.

Are there direct flights from Osaka to Jeju?

Yes. Recent direct fares were with Trinity Airways.

How long is the flight from Osaka to Jeju?

A direct flight takes about 2h 00m. Osaka and Jeju are around 840 km apart.

Which airlines fly from Osaka to Jeju?

Recent fares on this route were with Aero K, Jeju Air, Trinity Airways and Eastar Jet.

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