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 today
485 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Nov 2, 2026.)
Today’s best flight deals from Austin to Seattle
Explore current cheapest deals departing from Austin to Seattle
2026-12-11 – 2026-12-16
AUS - Seattle
81% AI deal score
$349
$209
Round trip
2026-12-08 – 2026-12-16
AUS - Seattle
80% AI deal score
$322
$209
Round trip
2026-12-01 – 2026-12-16
AUS - Seattle
78% AI deal score
$294
$211
Round trip
2026-12-01 – 2026-12-09
AUS - Seattle
80% AI deal score
$322
$212
Round trip
2026-12-01 – 2026-12-07
AUS - Seattle
81% AI deal score
$338
$212
Round trip
2026-12-03 – 2026-12-08
AUS - Seattle
73% AI deal score
$249
$219
Round trip
2026-11-17 – 2026-12-02
AUS - Seattle
65% AI deal score
$213
$219
Round trip
2026-11-23 – 2026-12-02
AUS - Seattle
67% AI deal score
$230
$220
Round trip
2026-11-17 – 2026-12-09
AUS - Seattle
65% AI deal score
$206
$220
Round trip
2026-11-17 – 2026-12-16
AUS - Seattle
65% AI deal score
$206
$220
Round trip