Cheap flights from Denver to Seattle (DEN - SEA)

Flight FAQs

From Denver to Seattle

Are flight prices decreasing from Denver to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Denver Intl to Seattle/Tacoma Intl to control the spread of COVID-19?

Alaska Airlines and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. New policies for travelers booking flights from Denver Intl to Seattle/Tacoma Intl include masks being provided and required on board, daily cleaning and sanitization, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially distanced seating (for a limited time). Keep in mind that policies will vary by airline.

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

Delta, Alaska Airlines, and Frontier 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 Denver to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to Seattle for under $100. The cheapest flight booked recently is on Frontier for just $34, but on average you can expect to pay $51.

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

Cheapflights has at least 20 direct flights from Denver to Seattle under $100. A good price for a nonstop flight from Denver to Seattle is less than $51.

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

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

What days are nonstop flights available from Denver to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Saturday.

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

Per day, 24 flights depart from Denver Intl to Seattle/Tacoma Intl on average.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 25% of flight departures

Does it rain more in Denver or Seattle?

When traveling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Denver is roughly less than Seattle. You can assume this to be the case over the next 9 days.

Is Denver weather warmer or cooler than Seattle?

Our data indicates that the weather will be 90 °F on average in the month of July. The temperature in Seattle is typically colder than in Denver. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long is the flight from Denver to Seattle?

Departing from Denver to Seattle will take you 2h 50m. The distance from Denver to Seattle is about 1028 mi. Most flights are nonstop.

What is the cheapest airline to fly from Denver to Seattle round-trip?

Our cheapest airline available from Denver to Seattle is Frontier. Our recent data shows that you can find tickets from as low as $34 on this airline. Frontier is 77% cheaper than the average price of flights available within the next 90 days to this destination.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $17. However, be on the lookout for offers from Spirit Airlines and Alaska Airlines, as they are both options that can get you from Denver to Seattle for a low price.