Westjet Airlines have a managed booking phone number that you can use to book flights, hotels and car rentals. This is an excellent way of avoiding any potential problems with your travel plans, as well as getting help if you need it. The phone number is available 24 hours a day, seven days a week, so there's no excuse not to get in touch should you run into any difficulties. Westjet Airlines is a Canadian airline with its head office in Calgary, Alberta. The airline operates services to over 100 destinations in North America, the Caribbean, Central America and South America. Westjet also operates service to Europe using a codeshare agreement with Air Canada. The company was founded in 1967 and is owned by WestJet Airlines Limited.