is by far the best month, wherein you can get cheapest flights for Cheju to Seoul. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Seoul
15:20
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Tokyo
18:00
Narita International Airport [NRT]
Fri, 23 Jan 2026

Seoul
15:05
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Osaka
17:00
Kansai International Airport [KIX]
Fri, 23 Jan 2026

Seoul
17:05
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Bangkok
21:25
Suvarnabhumi Airport [BKK]
Fri, 23 Jan 2026

Seoul
09:05
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Osaka
10:55
Kansai International Airport [KIX]
Fri, 23 Jan 2026

Seoul
00:30
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Shanghai
01:40
Shanghai Pudong International Airport [PVG]
Fri, 23 Jan 2026

Tokyo
11:50
Narita International Airport [NRT]
Fri , 23 Jan 2026

Seoul
14:30
Incheon International Airport [ICN]
Fri, 23 Jan 2026

Seoul
08:40
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Tokyo
10:55
Narita International Airport [NRT]
Fri, 23 Jan 2026

Bangkok
22:25
Suvarnabhumi Airport [BKK]
Fri , 23 Jan 2026

Seoul
06:20
Incheon International Airport [ICN]
Sat, 24 Jan 2026

Taipei
10:45
Taiwan Taoyuan International Airport [TPE]
Fri , 23 Jan 2026

Seoul
14:20
Incheon International Airport [ICN]
Fri, 23 Jan 2026

Seoul
14:35
Incheon International Airport [ICN]
Fri , 23 Jan 2026

Sapporo
17:05
New Chitose Airport [CTS]
Fri, 23 Jan 2026

Chiang Mai
21:50
Chiang Mai International Airport [CNX]
Fri , 23 Jan 2026

Seoul
05:30
Incheon International Airport [ICN]
Sat, 24 Jan 2026