$80 Cheap American Airlines flights Denver (DEN) to Seattle (SEA)

View $80 flight on Wed, Feb 11, 2026Opens in a new window

$80 Cheap American Airlines flights Denver (DEN) to Seattle (SEA)

Prices were available within the past 7 days and start at $80 for one-way flights and $317 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Jan 28 - Sat, Jan 31
DEN
Denver
SEA
Seattle
$317 Roundtrip, found 3 days ago
$317
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jan 28 from Denver to Seattle, returning Sat, Jan 31, priced at $317 found 3 days ago

Find the cheapest month to fly from Denver (DEN) to Seattle (SEA)

February is typically the cheapest month to fly

From $58 - $143 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $113
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $113
Flights from Denver (DEN) to Seattle (SEA)
Origin airport
Denver Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1635 km
Average flight time
2 hours 5 mins