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Amazing Alaska Airlines SEA to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $251 round trip and one way. Prices and availability subject to change. Additional terms may apply.

IAD From SEA Economy Coach Packages on Similar Airlines


Carrier Flight Depart SEA Arrive IAD Wed
9/23
Thu
9/24
Fri
9/25
Sat
9/26
Sun
9/27
Mon
9/28
Tue
9/29
Stops
AS 1078 09:25 am 05:30 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)
AS 1188 03:40 pm 11:47 pm Check fare Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about Alaska Airlines Flights from SEA to IAD

What terminal is Alaska Airlines at Sea-Tac Airport?

The information printed on boarding passes can differ from airline to airline. If you're traveling from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Washington, DC Airport (IAD-Washington Dulles Intl.) with Alaska Airlines and you can't locate your terminal details, get in touch with the airline.

Are there Alaska Airlines non-stop flights from SEA to IAD?

You bet there are. Save time and energy and fly straight from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Washington, DC Airport (IAD-Washington Dulles Intl.) with Alaska Airlines. Avoid long layovers, reduce the risk of losing your belongings and get your vacation underway faster — direct flights are the preferred way to travel for many.

How long is an Alaska Airlines flight from SEA to IAD?

Depending on no delays and good weather, your Alaska Airlines flight from SEA to IAD should take on average 6 hours and 18 minutes. That means you've got enough time to order a glass of wine, have a snooze and look at your itinerary before landing.

What type of aircraft does Alaska Airlines fly from SEA to IAD?

Alaska Airlines commonly uses either the Boeing 737-900 or the Boeing 737-800 between SEA and IAD.

How many direct and indirect flights does Alaska Airlines fly from SEA to IAD?

Alaska Airlines currently offers around 2 flights daily from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Washington, DC (IAD-Washington Dulles Intl.).

Flying Tips & Tricks How do I find my flight number?
  • First, have a look at the itinerary that ought to be sitting in your inbox. You'll see a mixture of numbers and letters on the first page. It's a good idea to print the document or save it to your laptop for future reference.
How early can you check bags for a flight?
  • Check-in and baggage drop times can change between airports and airlines, but there are some basic rules. Jetting off on a domestic flight? Usually, you can check your bags two hours before takeoff. For international flights, three hours is standard.

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.