Flights from Denver, CO to Seattle, WA

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

*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 Denver, CO to Seattle, WA on Frontier

$
Flights Deals from Denver, CO to Seattle, WA on Frontier
From
To
Denver, CO (DEN)Seattle, WA (SEA)One-way
/
Discount Den Basic Fare		Departing Mar 1, 2026

From

$39

Last seen: 5 hours ago

Denver, CO (DEN)Seattle, WA (PAE)One-way
/
Discount Den Basic Fare		Departing Apr 9, 2026

From

$175

Last seen: 9 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®.

Denver, CO Seattle, WA

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