Trinity AirwaysDepart10:55
Thu, Nov 5CJU → CJJ
1h 10m · Direct
$18one way, per person
View deal
- Cheapest fare
- $18
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 1h 10m
Trinity Airways · Thu, Nov 5
from $18
Trinity Airways, Eastar Jet and Jin Air
360 km
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Cheapest month to fly from Jeju to Cheongju
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Trinity Airways
Eastar JetDepart21:45
Wed, Nov 4CJU → CJJ
1h 10m · Direct
$20one way, per person
View deal
Jin AirDepart06:45
Sat, Nov 7CJU → CJJ
1h 10m · Direct
$26one way, per person
View deal
Jin AirDepart06:45
Fri, Nov 6CJU → CJJ
1h 10m · Direct
$33one way, per person
View deal
Jin AirDepart06:45
Sun, Nov 8CJU → CJJ
1h 10m · Direct
$38one way, per person
View deal
Plan the rest of your trip to Cheongju
Where to stay, what to do and getting around, from our travel partners.
About flights from Jeju to Cheongju
Jeju (CJU) and Cheongju (CJJ) are about 360 km apart. Direct flights take around 1h 10m, and recent direct fares were with Trinity Airways, Eastar Jet and Jin Air. Over the next few months, one-way fares start from $18, and November 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 Jeju to Cheongju?
The cheapest one-way fare we've seen recently is $18 with Trinity Airways, departing Thursday, November 5, 2026. Over the coming months, the lowest fare in each month ranges from $18 to $37.
What is the cheapest month to fly from Jeju to Cheongju?
November 2026 currently has the lowest fares, from $18 one way.
Are there direct flights from Jeju to Cheongju?
Yes. Recent direct fares were with Trinity Airways, Eastar Jet and Jin Air.
How long is the flight from Jeju to Cheongju?
A direct flight takes about 1h 10m. Jeju and Cheongju are around 360 km apart.
Which airlines fly from Jeju to Cheongju?
Recent fares on this route were with Trinity Airways, Eastar Jet and Jin Air.