FFL Helper / Seattle / Denver

SEA → DEN

Seattle (SEA) to Denver (DEN)

Compare one-way fares for flights from Seattle to Denver.

Lowest fare $55

Distance 1,020 mi

Flight time 2h 48m

Airports SEA–DEN

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By month: October 2026 from $141 · November 2026 from $55

Price calendar

October 2026

From $141 · up to $174

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23 $174 24 $158 25 $158 26 $158 27 $141

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November 2026

From $55

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14 $55

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Upcoming dates

Denver DEN

$55

Nov 14, 4:27pm · 2h 48m · 0 stops

SEA → DEN · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from Seattle to Denver. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book Seattle to Denver.