Cheap Flights from Grand Canyon to Boise, ID, United States - FLG to BOI Last modified: Jun 29, 2016 7:00 AM
When Can I Buy the Cheapest Flight from Grand Canyon to Boise (FLG to BOI)?
Airlines can adjust prices for plane tickets from Grand Canyon to Boise based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.