Seattle to Denver

SEADEN

Fly from Seattle to Denver starting at USD 68 with Frontier Airlines.Best fare available on Aug 18, 2026.Limited seats. Better plans. Book before it's gone.

Seattle to Denver cheapest flights this week

15 Aug
Frontier Airlines
14:22SEA
17:18DEN
DirectUSD 166VIEW DEAL
16 Aug
Frontier Airlines
20:53SEA
02:50DEN
1 StopUSD 179VIEW DEAL
17 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 166VIEW DEAL
17 Aug
Alaska Airlines
20:11SEA
22:59DEN
DirectUSD 153VIEW DEAL
18 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 68VIEW DEAL
20 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 157VIEW DEAL
21 Aug
Frontier Airlines
13:35SEA
16:34DEN
DirectUSD 108VIEW DEAL
23 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 165VIEW DEAL
24 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 130VIEW DEAL
31 Aug
Frontier Airlines
19:06SEA
21:58DEN
DirectUSD 95VIEW DEAL

Seattle to Denver monthly flight fare trend

Aug
from USD 68
Sep
from USD 28
Oct
from USD 51
Nov
No flights
Dec
No flights
Jan
No flights

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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