January is by far the best month, wherein you can get cheapest flights for Seoul to Nha Trang. Meanwhile, February 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
01:50
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
05:00
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
10:35
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
18:40
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
17:55
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
08:05
Cam Ranh Airport [CXR]
Sat, 31 Jan 2026

Seoul
20:15
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
23:59
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
20:10
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
23:55
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
18:05
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
21:35
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
10:55
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
17:40
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
20:15
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
23:35
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
06:15
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
09:20
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026

Seoul
06:15
Incheon International Airport [ICN]
Fri , 30 Jan 2026

Nha Trang
09:20
Cam Ranh Airport [CXR]
Fri, 30 Jan 2026










To crack the better offer on Seoul to Nha Trang flights, it’s better to make advanced bookings at least few weeks prior of your intended date because price might rise eventually due to the delay.
Weekdays are the best day to get low-cost flight tickets from Seoul to Nha Trang. However, it depends on a certain factor. If the demand is high and festivals are there, then prices could be a little high.