Cheap flights from Austin to Cascade Loop Scenic Byway

View AU$247 flight on Wed, 19 Nov. 2025Opens in a new window

Popular airlines from Austin to Cascade Loop Scenic Byway

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Hawaiian Airlines

    Hawaiian Airlines

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Cheap Flights from Austin (AUS) to Cascade Loop Scenic Byway (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Austin (AUS) to Seattle (SEA)

January is typically the cheapest month to fly

From AU$211 - AU$630 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.