https://skyairbus.com/blog/how-do-i-upgrade-a-iceland-air/ How do I upgrade a Iceland air? If there is a question How do I upgrade a Iceland air? passengers must visit the airline's website or speak with a customer service representative in-depth over the phone at OTA +1-800-971-7347 (quick help). #howdoIupgradeaIcelandair #connecttocustomercareIceland