This deal has expired.
It was found on July 8, 2026. Typical price for this route is $260. Fares like this come and go fast. Get the next one by email below.
Past deal
Denver to Seattle
$81$26069% off
Round trip
Seattle nonstop on Frontier is $81 round trip, a full 61% below the usual $208 fare and one of the best prices we have tracked on this route. Book for late summer or fall travel and use it for a Pike Place Market run, a ferry ride across Puget Sound, or a jumping-off point for the San Juan Islands.
Travel dates
September into October
e.g. Sep 22 – Oct 1 · 9 nights
Date options
9 at this price
Lowest we've seen
$51
Get deals like this from Denver
Free email alerts when we find a fare worth booking. No spam.