Seattle to Denver

SEADEN

Fly from Seattle to Denver starting at USD 87 with Frontier Airlines.Best fare available on Oct 24, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Denver cheapest flights this week

30 Sept
Frontier Airlines
16:27SEA
19:21DEN
DirectUSD 163VIEW DEAL
1 Oct
Frontier Airlines
16:27SEA
19:21DEN
DirectUSD 166VIEW DEAL
2 Oct
Frontier Airlines
16:27SEA
19:21DEN
DirectUSD 162VIEW DEAL
3 Oct
Frontier Airlines
16:27SEA
19:21DEN
DirectUSD 163VIEW DEAL
5 Oct
Alaska Airlines
21:24SEA
09:07DEN
1 StopUSD 114VIEW DEAL
6 Oct
Frontier Airlines
16:27SEA
19:21DEN
DirectUSD 176VIEW DEAL
8 Oct
Frontier Airlines
16:27SEA
19:17DEN
DirectUSD 177VIEW DEAL
9 Oct
Frontier Airlines
16:27SEA
19:17DEN
DirectUSD 177VIEW DEAL
24 Oct
Frontier Airlines
16:27SEA
19:17DEN
DirectUSD 87VIEW DEAL
14 Nov
Frontier Airlines
16:27SEA
19:15DEN
DirectUSD 104VIEW DEAL

Seattle to Denver monthly flight fare trend

Sep
from USD 163
Oct
from USD 87
Nov
from USD 104
Dec
from USD 153
Jan
No flights
Feb
from USD 117

Airport Details

Origin

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Destination

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

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