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Amazing Alaska Airlines SEA to DEN Flight Deals

The cheapest flights to Denver Intl. found within the past 7 days were $103 round trip and one way. Prices and availability subject to change. Additional terms may apply.

DEN From SEA Economy Coach Packages on Similar Airlines


Carrier Flight Depart SEA Arrive DEN Mon
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AS 682 07:50 am 11:23 am Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 1474 10:00 am 01:30 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 920 02:05 pm 05:35 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 684 07:20 pm 10:53 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about Alaska Airlines Flights from SEA to DEN

What terminal is Alaska Airlines at Sea-Tac Airport?

While we can't say for certain exactly which terminal your Alaska Airlines flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.) will leave from, we can tell you that you'll probably be disembarking at the main terminal.

Are there Alaska Airlines non-stop flights from SEA to DEN?

In short, yes. Secure your seat on a direct flight with Alaska Airlines from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.), and you won't have to stress about annoying stopovers or trying to make your connecting flight.

How long is an Alaska Airlines flight from SEA to DEN?

Weather and air traffic permitting, your Alaska Airlines flight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Denver, CO Airport (DEN-Denver Intl.) should take roughly 4 hours and 3 minutes. That means you've got enough time to order your favorite drink, squeeze in a snooze and fine tune your travel schedule before you land.

What type of aircraft does Alaska Airlines fly from SEA to DEN?

Planning a flight between Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) and Denver, CO Airport (DEN-Denver Intl.) with Alaska Airlines? On this route, you'll likely be climbing on board either the Boeing 737-900 or the Boeing 737-800 type aircraft.

How many direct and indirect flights does Alaska Airlines fly from SEA to DEN?

When flying from SEA to DEN, you'll discover around 3 Alaska Airlines daily flights to select from.

Flying Tips & Tricks How do I find my flight number?
  • Your flight code will be within your itinerary, which the airline will email to you once your reservation has been completed. It's wise to keep this on hand in case you want to make changes to your ticket.
How early can you check bags for a flight?
  • Heading to the airport early is an excellent way to ease the burden of traveling. As a rule of thumb, you can drop your baggage three hours before an international flight and two hours before a domestic flight.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.