Seattle to Denver

SEADEN

Fly from Seattle to Denver starting at SAR 174 with Frontier Airlines.Best fare available on Nov 14, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Denver cheapest flights this week

14 Nov
Frontier Airlines
16:27SEA
19:15DEN
DirectSAR 174VIEW DEAL
19 Nov
Frontier Airlines
21:13SEA
08:43DEN
1 StopSAR 385VIEW DEAL
23 Nov
Alaska Airlines
07:38SEA
00:03DEN
1 StopSAR 485VIEW DEAL
23 Nov
United Airlines
05:05SEA
07:42DEN
DirectSAR 429VIEW DEAL
23 Nov
Frontier Airlines
21:53SEA
10:56DEN
1 StopSAR 692VIEW DEAL
24 Nov
Frontier Airlines
21:53SEA
08:43DEN
1 StopSAR 559VIEW DEAL
25 Nov
United Airlines
05:05SEA
07:42DEN
DirectSAR 577VIEW DEAL
18 Dec
Frontier Airlines
17:25SEA
20:16DEN
DirectSAR 566VIEW DEAL
21 Dec
Southwest Airlines
20:40SEA
23:15DEN
DirectSAR 566VIEW DEAL
5 Feb
Frontier Airlines
16:29SEA
19:19DEN
DirectSAR 433VIEW DEAL

Seattle to Denver monthly flight fare trend

Nov
from SAR 174
Dec
from SAR 566
Jan
No flights
Feb
from SAR 433
Mar
No flights
Apr
from SAR 507

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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