Alaska Airlines Flight AS641 Deals & Information (2025/2026)

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Alaska Airlines Flight 641 Route Deals From $109

The cheapest prices found with in the last 7 days for return flights were and $109 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

What route does flight number AS641 take?
Flight number AS641 takes roughly 3 hours and 12 minutes to fly direct from Tucson, AZ Airport (TUS-Tucson Intl.) to Seattle - Tacoma Intl. Airport (SEA). Sure, there's magic in the destination, but half the fun is in the journey!
How often is AS641 on time?
Alaska Airlines flight number AS641 from TUS to Sea-Tac Airport leaves on schedule 80% of the time — so you can relaxing knowing you'll get to your destination ASAP. If your journey happens to be delayed, you're likely to wait approximately 20 minutes. This route has a 2.5-star rating.
What kind of plane is on flight number AS641?
The route for flight number AS641 is most commonly Tucson Intl. Airport (TUS) to SEA, and the Boeing 737-800 is the aircraft model you'll probably be heading off on.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS641 flight with Travelocity, please visit our Customer Service Portal.