Security at GMP can get busy, especially during rush-hour periods. Check live boarding times on the airport homepage for updates.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $23 (Jin Air) |
One-way from | $13 (Jeju Air) |
Popular in | October |
Cheapest in | March |
Average price | $66 |
Good round-trip deal | $37 or less |
Good one-way deal | $20 or less |
Fly from
Fly to
Route
Depart
Return
Price
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Sun 12/14
6:20 am-7:35 am
Nonstop1h 15m
Jeju City
Tue 12/16
8:15 am-9:30 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Sun 12/14
6:20 am-7:35 am
Nonstop1h 15m
Jeju City
Wed 12/17
9:45 am-11:00 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Wed 1/7
6:35 am-7:50 am
Nonstop1h 15m
Jeju City
Wed 1/7
11:55 am-1:10 pm
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Mon 12/22
8:25 pm-9:40 pm
Nonstop1h 15m
Jeju City
Fri 12/26
7:10 am-8:25 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Mon 12/22
8:00 pm-9:15 pm
Nonstop1h 15m
Jeju City
Fri 12/26
7:00 am-8:15 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Mon 12/22
6:25 am-7:40 am
Nonstop1h 15m
Jeju City
Mon 12/22
10:55 am-12:15 pm
Nonstop1h 20m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Thu 12/18
8:30 pm-9:45 pm
Nonstop1h 15m
Jeju City
Sat 12/20
6:10 am-7:25 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Tue 1/27
7:50 pm-9:05 pm
Nonstop1h 15m
Jeju City
Thu 1/29
7:15 am-8:30 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Tue 2/3
7:50 pm-9:05 pm
Nonstop1h 15m
Jeju City
Thu 2/5
7:15 am-8:30 am
Nonstop1h 15m
SeoulJeju City
GMP - CJU
GMPCJU
Seoul Gimpo Intl
Thu 1/8
6:20 am-7:35 am
Nonstop1h 15m
Jeju City
Thu 1/8
8:45 am-10:00 am
Nonstop1h 15m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
The best time to book flights from Seoul to Jeju City is 9 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, March is the cheapest month in which you can book a flight from Seoul to Jeju City (average of $23). Flying from Seoul to Jeju City in October is currently the most expensive (average of $44). 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.
It’s optimal to fly from Seoul to Jeju City in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.
Travelers seeking maximum savings on their Seoul to Jeju City flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from SEL to CJU are scheduled on a Thursday (143 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (124 on average).
About 18% of weekly flights between Seoul and Jeju City have experienced delays in the past year, with the average delay time being 82 minutes.
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, Air Busan have had the lowest number of delays on this route, with just 12% of flights being delayed.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$18 | Average$64 | FlexibilityNo cancel fee | On-time94% | |
| Cheapest$27 | Average$72 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$28 | Average$70 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$29 | Average$66 | FlexibilityNo cancel fee | On-time86% | |
| Cheapest$30 | Average$60 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$33 | Average$71 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$46 | Average$101 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$52 | Average$139 | FlexibilityNo cancel fee | On-time81% |