Alaska Airlines Flights from Washington, D.C. to Seattle

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

$

Washington, D.C. (DCA)to

Los Angeles (LAX)
Depart: May 23, 2026
From
$139
Seen: 4 hours ago
One-way
Economy
Cheap flights from Washington, D.C. to Seattle

Lowest fares from Washington, D.C. to Seattle

Mar 2026
From$269*
Seen: 4 hours ago
Flight Type One Way|Economy Class
Apr 2026
From$125*
Seen: 4 hours ago
Flight Type One Way|Economy Class
May 2026
From$110*
Seen: 4 hours ago
Flight Type One Way|Economy Class
$125
$909
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    • Range$125-$909

    *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 Washington, D.C. to Seattle.*

    $
    One-way low-fare flights Washington, D.C. to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Washington, D.C. (IAD)Seattle (SEA)One-way
    |
    Economy    		Depart: Sep 24, 2026

    From

    $189

    Seen: 22 hours ago

    Washington, D.C. (DCA)Seattle (SEA)One-way
    |
    Economy    		Depart: Sep 24, 2026

    From

    $189

    Seen: 1 day ago

    *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.