£85 Find Cheap Flights from Seattle to Denver – Compare and Save

The cheapest month for flights from Seattle to Denver is January, where tickets cost £120 (return) on average. On the other hand, the most expensive months are June and July, where the average cost of round-trip tickets is £253 and £241 respectively.

No, with an average price for the route of £34, prices are generally cheapest when you fly direct.

In the past 5 days, the cheapest return tickets from Seattle to Denver were found on Alaska Airlines (£166) and Southwest (£178).

Seattle and Denver are connected by different airlines. The airlines that fly that route the most regularly are United Airlines (32 flights per week), Alaska Airlines (26 flights per week), and Delta (21 flights per week).

Weekly flights between Seattle and Denver historically see delays in approximately 17% of cases, with the average delay over the past year being 137 minutes.

Typically, flights leaving at night tend to face fewer delays, whereas flights in the early afternoon have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Friday has typically experienced more delays than other days.

Based on our data, United Airlines have experienced the fewest delays on this route in the past 12 months, with only about 8% of their flights encountering any delays.

There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are between 12 and 16 direct flights that take off from Seattle and land in Denver, with an average flight time of 2h 39m. The most common departure time is 13:00 and most flights take off in the afternoon. Each week, there are 102 flights. The most frequent day of departure is Friday, when 16% of all weekly flights depart. The fewest flights depart on a Tuesday.