Alaska Airlines Flights from Denver to Seattle

DPA Name: DPA QA Test - Details / example to Los Angeles/LAX

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Cheap flights from Denver to Seattle

Lowest fares from Denver to Seattle

May 2026
From$134*
Seen: 9 hours ago
Flight Type One Way|Economy Class
Jun 2026
From$109*
Seen: 21 hours ago
Flight Type One Way|Economy Class
Jul 2026
From$153*
Seen: 21 hours ago
Flight Type One Way|Economy Class
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $329
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    • Range$109-$329

    *Fares and availability are based on round trip searches for 1 passenger (1 adult) in Economy class in the last 48 hours. Fares are inclusive of tax and surcharges, and subject to availability. link.

    One-way low-fare flights Denver to Seattle.*

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    *Prices have been available for one-way trips within the last 48 hours and may not be currently available. Fares listed may be Saver fares which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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    Discount DEN

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    From Denver (DEN) To Seattle (SEA)

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