Cheap flights from Denver to Washington from $92

The month of January is, on average, the cheapest month to fly to State of Washington from Denver, with most prices found around $152. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $188.

The cheapest day to depart from Denver to State of Washington is on a Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $286. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Denver to State of Washington for around $378.

The cheapest time of day to fly to State of Washington is in the morning when flights can be purchased for as low as $313. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $391 on average. Flights to State of Washington from Denver in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Fly from Denver Intl to Seattle/Tacoma Intl for the best Denver Intl - Washington flight prices

You are more likely to see cheaper flights to State of Washington from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $230 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Denver for as low as $198 on momondo.

There are 4 cabin classes available to choose from on Denver to State of Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, Delta, and American Airlines are the most popular carriers operating from Denver Intl to Washington

Frontier, Alaska Airlines and United Airlines are the top three most popular airlines that fly to State of Washington from Denver according to our data. Frontier is the first choice among our users, with 40% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 6 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

As of August 2026, 35 flights take off from Denver and land in State of Washington each day. The most common flight departure time for this route is 6:00PM, with 41% of daily flights taking off at noon.

As of August 2026, there are 248 flights per week flying from Denver to State of Washington. The most common day of the week flights depart is Mon, with 35% of flights taking off on this day.