May is by far the best month, wherein you can get cheapest flights for Seoul to Bangkok. Meanwhile, May 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.
May- During this month the footfall is less so, the flight is gradually inexpensive.
May - is the cheapest month to book round trip flights.
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
11:20
Incheon International Airport [ICN]
Sat , 04 Apr 2026

Bangkok
15:30
Don Mueang International Airport [DMK]
Sat, 04 Apr 2026

Seoul
11:20
Incheon International Airport [ICN]
Sat , 04 Apr 2026

Chiang Mai
18:40
Chiang Mai International Airport [CNX]
Sat, 04 Apr 2026

Osaka
09:55
Kansai International Airport [KIX]
Sat , 04 Apr 2026

Bangkok
14:25
Don Mueang International Airport [DMK]
Sat, 04 Apr 2026

Tokyo
12:10
Narita International Airport [NRT]
Sat , 04 Apr 2026

Bangkok
16:55
Don Mueang International Airport [DMK]
Sat, 04 Apr 2026

Tokyo
21:15
Narita International Airport [NRT]
Sat , 04 Apr 2026

Singapore
14:05
Singapore Changi Airport [SIN]
Sun, 05 Apr 2026

Tokyo
09:15
Narita International Airport [NRT]
Sat , 04 Apr 2026

Singapore
20:05
Singapore Changi Airport [SIN]
Sat, 04 Apr 2026

Bangkok
12:00
Don Mueang International Airport [DMK]
Sat , 04 Apr 2026

Osaka
19:30
Kansai International Airport [KIX]
Sat, 04 Apr 2026

Osaka
09:55
Kansai International Airport [KIX]
Sat , 04 Apr 2026

Chiang Mai
18:05
Chiang Mai International Airport [CNX]
Sat, 04 Apr 2026

Bangkok
02:30
Don Mueang International Airport [DMK]
Sat , 04 Apr 2026

Seoul
10:05
Incheon International Airport [ICN]
Sat, 04 Apr 2026

Bangkok
11:55
Don Mueang International Airport [DMK]
Sat , 04 Apr 2026

Tokyo
20:00
Narita International Airport [NRT]
Sat, 04 Apr 2026