
$69 Cheap United flights Seattle (SEA) to Denver (DEN)
Prices were available within the past 7 days and start at $69 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Tue, Dec 9
SEA
Seattle
DEN
Denver
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago

Thu, Jan 15 - Sun, Jan 18
SEA
Seattle
DEN
Denver
$156 Roundtrip, found 2 days ago
$156
Roundtrip
found 2 days ago

Thu, Jan 15 - Sun, Jan 18
SEA
Seattle
DEN
Denver
$167 Roundtrip, found 2 days ago
$167
Roundtrip
found 2 days ago

Sun, Nov 16 - Fri, Dec 5
SEA
Seattle
DEN
Denver
$170 Roundtrip, found 3 days ago
$170
Roundtrip
found 3 days ago

Sun, Nov 16 - Fri, Dec 5
SEA
Seattle
DEN
Denver
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago

Tue, Nov 18 - Tue, Dec 9
SEA
Seattle
DEN
Denver
$183 Roundtrip, found 1 day ago
$183
Roundtrip
found 1 day ago
Origin airport  | Seattle - Tacoma Intl. | 
|---|---|
Destination airport  | Denver Intl. | 
Airlines serving  | Alaska Airlines, American Airlines, Delta, United | 
Popular airline  | United | 
Distance  | 1635 km | 
Average flight time  | 3 hours 39 mins | 
Most Popular United Routes from Seattle
Most Popular United Routes from Denver
- Portland to Querétaro (PWM - QRO)
 - Minot to Austin (MOT - AUS)
 - San Antonio to San Salvador (SAT - SAL)
 - New York to Cincinnati (LGA - CVG)
 - Fort Myers to Edinburgh (RSW - EDI)
 - Phoenix to Seattle (PHX - SEA)
 - Phoenix to Cebu (PHX - CEB)
 - Portland to Querétaro (PWM - QRO)
 - Detroit to Jacksonville (DTW - JAX)
 - San Antonio to San Salvador (SAT - SAL)
 
Popular Domestic Routes in Denver Intl.
- Raleigh to Lake Charles (RDU - LCH)
 - Newark Liberty Intl. Airport to Cincinnati (EWR - CVG)
 - Phoenix to Seattle (PHX - SEA)
 - Hartford to Tampa (BDL - TPA)
 - Detroit to Corpus Christi (DTW - CRP)
 - Missoula to Pittsburgh (MSO - PIT)
 - Hartford to Tampa (BDL - TPA)
 - Phoenix to Cebu (PHX - CEB)
 - Fort Myers to Edinburgh (RSW - EDI)
 - New York to Cincinnati (LGA - CVG)