Flight Deals from Denver to Seattle from $71

When planning your flights from Denver to Seattle, it's crucial to consider the price fluctuations throughout the year. The highest ticket prices peak dramatically during mid-December, while an abrupt decrease can be seen in late March. Notably, the most expensive period tends to be around December, peaking at over $2,300, while low prices are commonly found in late summer, especially late August, with fares dropping to about $90. Overall, prices vary significantly, with low ranges typically below $225 and high ranges soaring above $1,200, making it wise to book during the off-peak months for better deals.

For your trip from Denver to Seattle, the best time to buy your ticket is about 24 days before departure when prices dip to the lowest range around $204. Purchasing much earlier can lead to inflated prices, potentially reaching $428. As you approach the departure date, prices tend to rise steadily, with only minor fluctuations, so if your travel date is within the next 24 days, prioritize booking immediately to avoid higher costs. Generally, avoid waiting, as prices will likely exceed $224 as your departure date nears.