FFL Helper

FFL Helper / Seattle / Denver

SEA → DEN

Seattle to Denver

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

Lowest fare $79
Distance 1,020 mi
Flight time 2h 54m
Airports SEA–DEN
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By month: September 2026 from $79

Price calendar

August 2026

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September 2026

From $79 · up to $128

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2 $128 3 $128 4 $128 5 $128 6 $126 7 $126 8 $126 9 $126 10 $126 11 $126 12 $126 13 $126 14 $125 15 $102 16 $102 17 $102 18 $102 19 $79
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Upcoming dates

Denver DEN

$79

Sep 19, 4:27pm · 2h 54m · 0 stops

SEA → DEN · Frontier Airlines

Tickets

Denver DEN

$125

Sep 14, 9:45pm · 11h 22m · 1 stop

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.