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

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

$

Seattle (SEA)to

Los Angeles (LAX)
Depart: Oct 7, 2026
From
$58
Seen: 1 day ago
One-way
Economy
Cheap flights from Seattle to Washington, D.C.

Lowest fares from Seattle to Washington, D.C.

*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 Seattle to Washington, D.C..*

$
One-way low-fare flights Seattle to Washington, D.C..*
From
To
Fare Type
Dates
Price
Seattle (SEA)Washington, D.C. (DCA)One-way
|
Economy		Depart: Aug 28, 2026

From

$184

Seen: 1 day ago

Seattle (SEA)Washington, D.C. (IAD)One-way
|
Economy		Depart: Sep 14, 2026

From

$174

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.