CA $443 Cheap Alaska Airlines fights from Washington (IAD) to Pasco (PSC)

View CA $443 flight on Fri, Nov 28, 2025Opens in a new window
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Alaska Airlines flights from Washington to Pasco (IAD→PSC)

Prices were available within the past 7 days and start at CA $443 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Washington to Pasco (IAD - PSC) route information
Origin airport
Washington Dulles Intl.
Destination airport
Tri-Cities
Distance
3442 km

Frequently asked questions

How much is an Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Tri-Cities Airport (PSC)?
Landing cheap one-way Alaska Airlines flights from IAD to PSC from CA $443 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to PSC with Alaska Airlines?
January is one of the cheapest months to jet off to Pasco with Alaska Airlines. You could also find fantastic deals on one-way and return tickets in February.
Does Alaska Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Tri-Cities Airport (PSC)?
Click on our "Nonstop" filter when browsing for direct Alaska Airlines flights from IAD to PSC. You'll also be able to compare other carriers servicing the same direct route.
What airports does Alaska Airlines fly into in Pasco?
Jump on an Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Pasco, and you'll probably land at Tri-Cities Airport (PSC). This is the airline's main hub here.
Can I change or cancel my Alaska Airlines flight from Washington Dulles Intl. Airport (IAD) to Tri-Cities Airport (PSC)?
It's generally possible to change or cancel your flight, although there may be additional charges if you made your booking over 24 hours ago. Prefer to keep your options open? Apply the "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you have to adjust your plans. To make changes, visit "Trips," select your flight and click on "Manage Booking" for further information.
*Available to Expedia members.