What is the cheapest month to fly from Austin to Seattle?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Austin (AUS) to Seattle (SEA), with fares starting from $125.

What is the lowest current fare from AUS to SEA?

The lowest currently-listed fare from Austin (AUS) to Seattle (SEA) is $125 on 2026-09-29.

How long is the flight from Austin to Seattle?

Direct flights from AUS to SEA cover approximately 2,846 km (1,768 miles), with an estimated flight time of 3h 21m. Operating airlines: AS, DL, WN.

Cheap flights from Austin to Seattle

Cheapest current fares: $125 in September 2026, 2,846 km direct flight in ~3h 21m.

Last updated August 8, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Austin (AUS) to Seattle (SEA). Refreshed daily.

Austin (AUS) → Seattle (SEA)

September 2026 $125
August 2026 $165

Frequently asked questions

What is the cheapest month to fly from Austin to Seattle?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Austin (AUS) to Seattle (SEA), with fares starting from $125.
What is the lowest current fare from AUS to SEA?

The lowest currently-listed fare from Austin (AUS) to Seattle (SEA) is $125 on 2026-09-29.
How long is the flight from Austin to Seattle?

Direct flights from AUS to SEA cover approximately 2,846 km (1,768 miles), with an estimated flight time of 3h 21m. Operating airlines: AS, DL, WN.

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