If your card has enough funds including possible additional fees incurred by a merchant, there is nothing that could prevent this payment from going through as far as Volet.com is concerned.
Security settings of your merchant are an important factor here. Sometimes shops or other merchants only accept payments made with cards issued in the country of your residence. We recommend contacting the merchant directly if you feel the payment should have gone through but it did not.
Important: Please be advised that transactions with retailers in certain MCC groups are blocked by the issuing bank for fraud protection and anti-money laundering purposes. Therefore, as if a service belongs to one of these MCC groups, transactions are not authorized. Here is the list:
5542 Automated Fuel Dispensers
5983 Fuel Dealers–Coal, Fuel Oil, Liquefied Petroleum, Wood
4829 Wire Transfer Money Orders
6051 Quasi Cash–Merchant
7801 Government-Licensed Casinos (Online or Internet Gambling)
7802 Government-Licensed Horse/Dog Racing
7995 Gambling/Bettings
6211 Securities–Brokers and Dealers
7273 Dating Services
7297 Massage Parlors
7800 Government Owned Lottery
6012 Member Financial Institution–Merchandise And Services
6540 POI Funding Transactions