Seattle → Denver

Frontier Airlines · Round Trip · Nonstop

Save $48 (26% off)

Compared to the typical price of $186

$138$186

per person · round trip

Flight Details

Cabin

Economy

Departs

May 20, 2026

Returns

May 24, 2026

Complete your trip with these deals.

Find the best hotel deals for your stay.

Get around with affordable rental car deals.

Explore tours, activities, and experiences.