Denver to Seattle

DENSEA

Fly from Denver to Seattle starting at SAR 329 with Frontier Airlines.Best fare available on Sep 13, 2026.Limited seats. Better plans. Book before it's gone.

Denver to Seattle cheapest flights this week

2 Sept
Frontier Airlines
07:15DEN
10:19SEA
DirectSAR 481VIEW DEAL
2 Sept
Frontier Airlines
11:05DEN
14:22SEA
DirectSAR 474VIEW DEAL
3 Sept
Frontier Airlines
07:15DEN
10:19SEA
DirectSAR 459VIEW DEAL
4 Sept
Frontier Airlines
07:15DEN
10:19SEA
DirectSAR 574VIEW DEAL
6 Sept
Alaska Airlines
08:22DEN
11:22SEA
DirectSAR 485VIEW DEAL
9 Sept
Frontier Airlines
22:44DEN
21:40SEA
1 StopSAR 522VIEW DEAL
10 Sept
Frontier Airlines
13:07DEN
16:08SEA
DirectSAR 503VIEW DEAL
10 Sept
Frontier Airlines
09:05DEN
21:40SEA
1 StopSAR 522VIEW DEAL
11 Sept
Frontier Airlines
13:10DEN
19:36SEA
1 StopSAR 481VIEW DEAL
13 Sept
Frontier Airlines
07:45DEN
10:51SEA
DirectSAR 329VIEW DEAL

Denver to Seattle monthly flight fare trend

Sep
from SAR 329
Oct
from SAR 337
Nov
from SAR 529
Dec
from SAR 633
Jan
from SAR 588
Feb
No flights

Airport Details

Origin

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

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