Companion Discount rates: Airlines from time to time operate promotions presenting special discounts for a 2nd ticket when booked with each other, rendering it ideal for partners or business associates. Nonetheless, it's important to note that redeeming mileage with Delta is usually high-priced, and recent variations towards the SkyMiles software https://www.businessflightshop.co.uk/first-class-flights-to-vancouver-canada