Cheap flights from Seattle to Denver

Flight FAQs

From Seattle to Denver

What airports do I use to fly from Seattle to Denver?

Booking a flight from Seattle/Tacoma Intl (SEA) to Denver Intl (DEN) is your only option if you wish to fly from Seattle to Denver. On a typical day, there are 25 flights from Seattle/Tacoma Intl to Denver Intl, all of which are around 2h 43m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Seattle/Tacoma Intl to Denver.

Which airlines flying from Seattle/Tacoma Intl to Denver Intl have flexible cancellations due to COVID-19?

Frontier, Delta, and Alaska Airlines are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Seattle to Denver for under C$ 100 on Cheapflights?

Yes, there are multiple flights from Seattle to Denver for under C$ 100. The cheapest flight booked recently is on Frontier for just C$ 100, but on average you can expect to pay C$ 137.

Are there direct flights from Seattle to Denver for under C$ 100 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to Denver under C$ 100. A good price for a direct flight from Seattle to Denver is less than C$ 145.

Are there last-minute flights available from Seattle to Denver for under C$ 200?

There are currently 20+ open flights from Seattle to Denver within the next 7 days for less than C$ 200.

What days are direct flights available from Seattle to Denver?

You can find direct flights on the following days: Monday, Saturday.

How popular is this Seattle to Denver flight route?

This flight path from Seattle/Tacoma Intl to Denver Intl was viewed by 64 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How many flights depart from Seattle to Denver on average per day?

Per day, 4 flights depart from Seattle to Denver on average.
Early Morning (Midnight to 6am) - 25% of flight departures
Morning (6am - Midday) - 25% of flight departures
Afternoon (Noon - 6pm) - 25% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

How long is the flight from Seattle to Denver?

There are many flights that can get you from Seattle to Denver in 2h 38m. Fly via Frontier, Alaska Airlines, or Delta to get the fastest option. There are 1654 km between Seattle and Denver. All flights are typically direct.

What are the cheapest airlines flying from Seattle to Denver round-trip?

According to our current data, Frontier (C$ 100), Alaska Airlines (C$ 118), and Delta (C$ 129) offers the cheapest pricing from Seattle to Denver. Users have found that Frontier is 49% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Seattle to Denver one-way?

The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 63. However, be on the lookout for offers from Alaska Airlines and Spirit Airlines, as they are both options that can get you from Seattle to Denver for a low price.

What are the cheapest flights from Seattle to Denver?

Looking for the cheapest flight from Seattle to Denver? While on average our users pay C$ 171, our data indicates the cheapest price to be C$ 68. The most popular route (Seattle/Tacoma Intl - Denver Intl), is priced around C$ 150.

What are the most popular airlines that fly from Seattle to Denver?

The most popular airlines flying from Seattle to Denver are Alaska Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the most reliable airlines from Seattle to Denver?

Before booking your flight to Denver from Seattle, check out the most reliable airlines to get you to your destination on time: Air France (100%), ANA (100%), Emirates( 89%).