Electronic VAT invoices are issued for the tickets and ancillary services purchased on the Vietnam Airlines website/app with VND as the payment currency. Within 72 hours after purchasing your ticket, you do the following two ways:
1. Go to the Online Invoice Issuance Declaration page, enter the company name and tax code, and then click the Lookup button. Then select the ticket number to invoice and click the Register button.
2. Go to the Manage Booking section on the Vietnam Airlines website/app, go to "Post-sales help" and "Issue invoice". Then, follow the steps in the first way.
Learn more about Instructions on VAT e-invoice issuance
.You can look up in the following ways:
1. Look up immediately after issuing: go to https://einvoice.vietnamairlines.com and enter the lookup code as the invoice number;
2. Look up on the tax authority's website after 10 days from the date of invoice issuance: visit https://hoadondientu.gdt.gov.vn.
Please contact:
1. The Contact Center: 19001100 (for calls within Vietnam) or (+84-24) 38320320 (for calls from outside Vietnam);
2. Or send an email to onlinesupport@vietnamairlines.com.
Please contact:
1. The Contact Center: 19001100 (for calls within Vietnam) or (+84-24) 38320320 (for calls from outside Vietnam);
2. Or send an email to onlinesupport@vietnamairlines.com.
Please contact:
1. The Contact Center: 19001100 (for calls within Vietnam) or (+84-24) 38320320 (for calls from outside Vietnam);
2. Or send an email to onlinesupport@vietnamairlines.com.
Convenient to look up and get an answer quickly (24/7) to any questions about itinerary information, ticket purchases, and more.
Our Contact Center Hotline handles multiple calls simultaneously; therefore, your request may not be processed promptly. For faster assistance, please contact our Contact Center via the email address below:
Note: 
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© 2025 Vietnam Airlines JSC
Contact Center for calls within Vietnam (24/7): 1900 1100
For Lotusmiles members: 1900 1800
For calls from outside Vietnam (24/7): +84 24 38320320
Email: Telesales@vietnamairlines.com
Certificate of Business Registration - No.: 0100107518, Initial registration made on 30 June 2010, the 10th registration of changes made on 24 July 2025.
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