For more details on how to upgrade to another/higher class on a flight, you need to contact the airline or ticketing agent directly to be informed of the specific conditions and procedures.
- Online check-in apply for domestic flights which depart from Tan Son Nhat, Noi Bai and Da Nang airports.
Here are possible reasons why you cannot do online check in:
• Passengers may request Special services.
• Passengers may travel with infants under 02 years old.
• Passengers may travel on flights operated by other airlines.
• Passengers’ bookings may be not confirmed.
• Passengers’ tickets may be not paid.
• Passengers may enter incorrect information
• Passengers may not do online check-in from 24 hours to 1 hours before scheduled departure time.