Cheongju to Jeju CJJ → CJU
Cheongju Airport (CJJ) → Jeju International Airport (CJU)
The cheapest return found recently is $39 with Eastar Jet, 2 Nov – 5 Nov, found yesterday. The cheapest one-way found recently is $24 with Eastar Jet, 30 Nov, found 2 days ago.
Return
The cheapest return fare on each of 8 departure dates is usually $50 to $64.
Cheapest return found recently
$39
2 Nov – 5 Nov · Eastar Jet
Cheongju Airport (CJJ) → Jeju International Airport (CJU)
Leaves 7:35 p.m. · Return leaves 8:40 a.m. · 2 h 20 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$39
2 Nov – 5 Nov · Eastar Jet
Cheongju Airport (CJJ) → Jeju International Airport (CJU)
Leaves 7:35 p.m. · Return leaves 8:40 a.m. · 2 h 20 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$39 2 Nov – 5 Novfound yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $28 to $43.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 8 departure dates from 20 Oct to 2 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold 3-night return fares on 2 other departure dates within 3 days of 2 Nov, and none is cheaper.
Every date we hold
9 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 20 Oct – 27 Oct | $50 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found 6 days ago | See prices for these dates |
| 22 Oct – 26 Oct | $48 | Aero K | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 27 Oct – 31 Oct | $63 | Aero K | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 28 Oct – 31 Oct | $66 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 29 Oct – 1 Nov | $77 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found 2 days ago | See prices for these dates |
| 31 Oct – 2 Nov | $52 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found 4 days ago | See prices for these dates |
| 1 Nov – 4 Nov | $54 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 2 Nov – 5 Nov | $39 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from $39.
Airlines on the cheapest dates: T'way Air, Aero K, Eastar Jet.
One-way
The cheapest one-way fare on each of 8 departure dates is usually $21 to $29.
Cheapest one-way found recently
$24
30 Nov · Eastar Jet
Cheongju Airport (CJJ) → Jeju International Airport (CJU)
Leaves 7:35 p.m. · 1 h 10 min trip
nonstop
found 2 days ago
Cheapest nonstop one-way
$24
30 Nov · Eastar Jet
Cheongju Airport (CJJ) → Jeju International Airport (CJU)
Leaves 7:35 p.m. · 1 h 10 min trip
nonstop
found 2 days ago
Found recently, and the cheapest we hold
$24 30 Novfound 2 days agoOpen this trip
$18 21 Octfound 3 days agoOpen this trip
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $13 to $20.
At $24, the cheapest one-way found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 8 departure dates from 21 Oct to 3 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
No. We hold one-way fares on 3 other departure dates within 3 days of 30 Nov, and none is cheaper.
Every date we hold
8 fares on 8 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 21 Oct | $18 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 3 days ago | Open this trip |
| 27 Oct | $19 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 4 days ago | Open this trip |
| 28 Oct | $21 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 3 days ago | Open this trip |
| 30 Oct | $45 | T'way Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 2 days ago | Open this trip |
| 27 Nov | $58 | Jeju Air | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 2 days ago | Open this trip |
| 30 Nov | $24 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 2 days ago | Open this trip |
| 1 Dec | $24 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 2 days ago | Open this trip |
| 3 Dec | $24 | Eastar Jet | Cheongju Airport (CJJ) → Jeju International Airport (CJU) | nonstop | found 2 days ago | Open this trip |
Which month looks cheapest?
October 2026 is the cheapest month — from $18.
Airlines on the cheapest dates: Eastar Jet, T'way Air, Jeju Air.
Premium cabin fares from Cheongju to Jeju
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 2 Nov – 5 Nov in another cabin: Premium economy · Business · First
Today's prices for 30 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Cheongju to Jeju?
Return
The cheapest fares were 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $39 | $28 | Cheapest seen | 25 |
| 7–13 days | $43 | $39 | +10% | 21 |
| 14–29 days | $68 | $39 | +74% | 24 |
| 30–59 days | $67 | $59 | +72% | 22 |
| 180+ days | $147 | $145 | +277% | 15 |
One-way
The cheapest fares were 0 to 6 days before departure.
From the cheapest one-way each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $16 | $13 | Cheapest seen | 23 |
| 7–13 days | $19 | $14 | +19% | 16 |
| 14–29 days | $25 | $15 | +56% | 15 |
| 30–59 days | $53 | $24 | +231% | 10 |
| 180+ days | $69 | $69 | +331% | 7 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Seoul → Jeju
112 km from Cheongju
$44
$5 more than flying from Cheongju
9 Mar 2027 – 11 Mar 2027 · GMP → CJU · out nonstop, back nonstop
found 14 hours ago
Gunsan → Jeju
101 km from Cheongju
$92
$53 more than flying from Cheongju
31 Oct – 3 Nov · KUV → CJU · out nonstop, back nonstop
found 4 days ago
Wonju → Jeju
87 km from Cheongju
$105
$66 more than flying from Cheongju
31 Oct – 3 Nov · WJU → CJU · out nonstop, back nonstop
found 4 days ago
Daegu → Jeju
132 km from Cheongju
$110
$71 more than flying from Cheongju
24 Oct – 25 Oct · TAE → CJU · out nonstop, back nonstop
found 5 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Seoul → Jeju
112 km from Cheongju
$16
$8 less than flying from Cheongju
20 Oct · GMP → CJU · nonstop
found today
Daegu → Jeju
132 km from Cheongju
$32
$8 more than flying from Cheongju
18 Nov · TAE → CJU · nonstop
found yesterday
Gunsan → Jeju
101 km from Cheongju
$36
$12 more than flying from Cheongju
4 Nov · KUV → CJU · nonstop
found 6 days ago
Wonju → Jeju
87 km from Cheongju
$72
$48 more than flying from Cheongju
20 Nov · WJU → CJU · nonstop
found 3 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 2 Nov – 5 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work