Flight Deals from Detroit to Phoenix from $68

When planning your flights from Detroit to Phoenix, note that prices fluctuate significantly throughout the year. Expect peak prices around late February to early April, with the highest costs occurring in late April. Meanwhile, the most affordable flights can be found in mid to late June. The abrupt start of high prices begins in late March, peaking in late April, while prices drop sharply after mid-June. Overall, the high season can elevate prices to over $700, whereas low prices can drop below $300, providing potential for considerable savings during off-peak times.

When planning your trip from Detroit to Phoenix, it's best to book your flight at least 19 days before departure, as this is when prices can drop significantly, typically ranging from $211 to $300. The cheapest time to buy is from 19 weeks prior to 2 weeks before your departure, offering considerable savings compared to last-minute buying, which can escalate prices up to $719. Be cautious, as waiting too long could lead to paying up to 140% more than if you book early, so ensure you secure your tickets well in advance to avoid higher costs.