$163 Cheap American Airlines flights Seattle (SEA) to Denver (DEN)

View $163 flight on Wed, Sep 23, 2026Opens in a new window

$163 Cheap American Airlines flights Seattle (SEA) to Denver (DEN)

Prices were available within the past 7 days and start at $163 for one-way flights and $371 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 23 - Mon, Sep 28
SEA
Seattle
DEN
Denver
$371 Roundtrip, found 6 hours ago
$371
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Sep 23 from Seattle to Denver, returning Mon, Sep 28, priced at $371 found 6 hours ago

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $253
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $253

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

June is typically the cheapest month to fly

From $82 - $228 per traveler.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
1635 km
Average flight time
3 hours 42 mins

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