Https://spawnpk.net/forums/index.php?/topic/43336-call-air-canada-usa-customer-service-tips-on-cheapest-days-to-book-flights/ https://spawnpk.net/forums/index.php?/topic/43336-call-air-canada-usa-customer-service-tips-on-cheapest-days-to-book-flights/ https://spawnpk.net/forums/index.php?/topic/43336-call-air-canada-usa-customer-service-tips-on-cheapest-days-to-book-flights/ https:... https://spawnpk.net/forums/index.php?/topic/43336-call-air-canada-usa-customer-service-tips-on-cheapest-days-to-book-flights/