Cheap Flights from Denver to Seattle
Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Denver
RatePunk searches hundreds of travel sites at once for deals on flights to Seattle
Prices updated 7 days ago
482 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 26, 2026.)
Today’s best flight deals from Denver to Seattle
Explore current cheapest deals departing from Denver to Seattle
2026-12-03 – 2026-12-04
DEN - Seattle
68% AI deal score
$240
$149
Round trip
2026-12-03 – 2026-12-09
DEN - Seattle
75% AI deal score
$226
$149
Round trip
2026-12-12 – 2026-12-14
DEN - Seattle
75% AI deal score
$239
$154
Round trip
2026-12-09 – 2026-12-14
DEN - Seattle
75% AI deal score
$232
$154
Round trip
2026-12-05 – 2026-12-14
DEN - Seattle
73% AI deal score
$210
$154
Round trip
2027-01-16 – 2027-01-23
DEN - Seattle
41% AI deal score
$94
$161
Round trip
2027-01-16 – 2027-01-27
DEN - Seattle
41% AI deal score
$85
$161
Round trip
2027-01-16 – 2027-01-20
DEN - Seattle
41% AI deal score
$95
$161
Round trip
2026-12-09 – 2026-12-16
DEN - Seattle
43% AI deal score
$123
$162
Round trip
2026-12-05 – 2026-12-12
DEN - Seattle
43% AI deal score
$122
$162
Round trip