Flights from Seattle, WA to Denver, CO

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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 Feb 16, 2026

From

$112

Last seen: 1 hour ago

Seattle, WA (PAE)Denver, CO (DEN)One-way
/
Discount Den Basic Fare		Departing Mar 5, 2026

From

$167

Last seen: 11 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

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