Alaska Airlines flights from Washington, D.C. to Seattle (WAS - SEA)

WAS — SEA
Oct 7 — Oct 141

Cheapflights users flying from Washington, D.C. to Seattle on Alaska Airlines typically fly into Seattle/Tacoma Intl and depart from Washington, D.C. Dulles Intl. Select your dates above for pricing.

Alaska Airlines flights from Washington, D.C. to Seattle in 2023

One-Way Flights From

$133

Round Trip Flights From

$267
The average one-way flight costs $254
The average round trip flight costs $332

Can I get a flight from Washington, D.C. to Seattle on Alaska Airlines for under $400?

Cheapflights users have found 50 Alaska Airlines flights for under $400 on the WAS-SEA route. Prices on flights to Seattle from Washington, D.C. can vary based on many factors including dates. To look at price based on your preferred dates, click here.

How do most travelers feel about Alaska Airlines?

Alaska Airlines has received a 7.2/10 rating from 781 Cheapflights user reviews. If you wish to plan your next trip from Washington, D.C. to Seattle with Alaska Airlines, enter your preferred travel dates above!

Cheapest Alaska Airlines flights from Washington, D.C. to Seattle

Direct flights from Washington, D.C. to Seattle on Alaska Airlines

Last minute deals on Cheapflights

One-way Alaska Airlines flights to Seattle from Washington, D.C.

Popular flights with Alaska Airlines

See what others are saying about Alaska Airlines

Alaska Airlines
8.1
Very good
10,295 reviews
Overview

Comfort

8.0

Entertainment

7.6

Food

7.5

Boarding

8.3

Crew

8.6
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