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
17:05
Incheon International Airport [ICN]
Mon , 16 Mar 2026

Bangkok
21:25
Suvarnabhumi Airport [BKK]
Mon, 16 Mar 2026

Seoul
18:15
Incheon International Airport [ICN]
Mon , 16 Mar 2026

Fukuoka
19:35
Fukuoka Airport [FUK]
Mon, 16 Mar 2026

Seoul
17:25
Incheon International Airport [ICN]
Mon , 16 Mar 2026

Chiang Mai
20:50
Chiang Mai International Airport [CNX]
Mon, 16 Mar 2026

Seoul
08:40
Incheon International Airport [ICN]
Mon , 16 Mar 2026

Tokyo
10:55
Narita International Airport [NRT]
Mon, 16 Mar 2026

Tokyo
19:00
Narita International Airport [NRT]
Mon , 16 Mar 2026

Seoul
21:35
Incheon International Airport [ICN]
Mon, 16 Mar 2026

Bangkok
22:25
Suvarnabhumi Airport [BKK]
Mon , 16 Mar 2026

Seoul
06:20
Incheon International Airport [ICN]
Tue, 17 Mar 2026

Sapporo
13:00
New Chitose Airport [CTS]
Mon , 16 Mar 2026

Seoul
16:00
Incheon International Airport [ICN]
Mon, 16 Mar 2026

Seoul
07:15
Incheon International Airport [ICN]
Mon , 16 Mar 2026

Tokyo
10:10
Narita International Airport [NRT]
Mon, 16 Mar 2026

Sapporo
11:20
New Chitose Airport [CTS]
Mon , 16 Mar 2026

Seoul
14:15
Incheon International Airport [ICN]
Mon, 16 Mar 2026

Chiang Mai
23:05
Chiang Mai International Airport [CNX]
Mon , 16 Mar 2026

Busan
06:05
Gimhae International Airport [PUS]
Tue, 17 Mar 2026

Chiang Mai
21:50
Chiang Mai International Airport [CNX]
Mon , 16 Mar 2026

Seoul
05:30
Incheon International Airport [ICN]
Tue, 17 Mar 2026