Cheap flights from Seattle to Denver (SEA - DEN)

Flight FAQs

From Seattle to Denver

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

If you wish to fly to Denver from Seattle, then you need to book flights from Seattle/Tacoma Intl to Denver Intl. There are 24 flights from Seattle/Tacoma Intl (SEA) to Denver Intl (DEN) per day to choose from. Flights to Denver from Seattle/Tacoma Intl are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 2h 32m is how long a nonstop flight from Seattle to Denver Intl typically takes.

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

Delta, Frontier, and United 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 $100 on Cheapflights?

Yes, there are multiple flights from Seattle to Denver for under $100. The cheapest flight booked recently is on Spirit Airlines for just $69, but on average you can expect to pay $83.

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

Cheapflights has at least 20 direct flights from Seattle to Denver under $100. A good price for a nonstop flight from Seattle to Denver is less than $94.

Are there last-minute flights available from Seattle to Denver for under $100?

There are currently 20+ open flights from Seattle to Denver within the next 7 days for less than $100.

What days are nonstop flights available from Seattle to Denver?

Nonstop flights can be found on the following days: Friday, Saturday.

How popular is this Seattle to Denver flight route?

Within the past month, 266 users have taken a look at flights from Seattle/Tacoma Intl to Denver Intl.

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

On average, you can expect to see 3 flights from Seattle to Denver a day.
Early Morning (Midnight to 6am) - 33% of flight departures
Afternoon (Noon - 6pm) - 67% 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 39m. Fly via Spirit Airlines or Frontier to get the fastest option. The distance between Seattle and Denver is about 1028 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Currently priced at $69, Spirit Airlines will fly you from Seattle to Denver and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Frontier for as low as $79. These flights start at 55% lower than the current average price 3 months from now.

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

For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $35. Users have also found prices from $41 and $43 on Frontier and Alaska Airlines, respectively.

What are the cheapest flights from Seattle to Denver?

Looking at all options, your cheapest flight can be booked for $58. While the most popular route (Seattle/Tacoma Intl - Denver Intl) can be booked for $75 on average our data indicates $295 when flying from Seattle to Denver

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

When booking a flight from Seattle to Denver, you may want to consider flying on Major Airline, Endeavor Airlines or American Airlines as they are the most popular for this route.

What are the most reliable airlines from Seattle to Denver?

No one likes to see their flight delayed. When booking a flight from Seattle to Denver consider choosing ANA (100%), Air France (88%) or SkyWest Airlines (87%) as they are the most reliable in getting you off to your destination on time.