How to find the cheapest flight from
Illinois to Flagstaff (FLG)
How far in advance should I book a flight from Illinois to Flagstaff?
Travelers have found it’s best to book a flight 45 days in advance to save up to 28% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 45 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Flagstaff 1-2 weeks in advance for as low as $382, or $466 for flights within the next 24 hours.
One-way flights to Flagstaff from Illinois
The cheapest one-way flights from Illinois to Flagstaff
2:00 am - 8:41 am
1:54 pm - 5:30 am
1:35 am - 7:29 am
Related info for your journey
Useful info, stats and facts about Illinois to Flagstaff flights.
Arrival points for flights from Illinois to Flagstaff
Destination information for Flagstaff
Things to know before you go. Useful info for your trip from Illinois to Flagstaff