Flights from Seattle, WA to Denver, CO

Promo Code

Best Deals on Flights From Seattle, WA (PAE) to Denver, CO (DEN)

*Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

Flights Deals from Seattle, WA to Denver, CO on Frontier

$
Flights Deals from Seattle, WA to Denver, CO on Frontier
From
To
Seattle, WA (SEA)Denver, CO (DEN)One-way
/
Discount Den Basic Fare		Departing Mar 6, 2026

From

$19

Last seen: 22 hours ago

Seattle, WA (PAE)Denver, CO (DEN)One-way
/
Discount Den Basic Fare		Departing Mar 20, 2026

From

$112

Last seen: 8 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Seattle, WA Denver, CO

Barclays Badge

Earn 50,000 Miles and a 1-year Discount Den membership after qualifying activity!
Terms Apply.