Cheap Flights from Austin to Seattle
Browse current best options from Austin. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Austin
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 1 day ago
461 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Sep 14, 2026.)
Today’s best flight deals from Austin to Seattle
Explore current cheapest deals departing from Austin to Seattle
2026-10-21 – 2026-10-23
AUS - Seattle
83% AI deal score
$318
$141
Round trip
2026-10-19 – 2026-10-23
AUS - Seattle
81% AI deal score
$318
$152
Round trip
2026-10-10 – 2026-10-14
AUS - Seattle
82% AI deal score
$233
$176
Round trip
2026-10-09 – 2026-10-11
AUS - Seattle
78% AI deal score
$234
$177
Round trip
2026-10-10 – 2026-10-13
AUS - Seattle
78% AI deal score
$233
$177
Round trip
2026-10-23 – 2026-10-26
AUS - Seattle
78% AI deal score
$232
$177
Round trip
2026-11-02 – 2026-11-11
AUS - Seattle
78% AI deal score
$228
$187
Round trip
2026-11-02 – 2026-11-09
AUS - Seattle
83% AI deal score
$240
$187
Round trip
2026-11-02 – 2026-11-08
AUS - Seattle
83% AI deal score
$240
$187
Round trip
2026-12-10 – 2026-12-14
AUS - Seattle
85% AI deal score
$363
$188
Round trip
