Alaska Airlines flights from SEA to DEN
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from SEA to DEN. Alaska Airlines operates 10-20 flights daily flights on this route.• Flight Duration: 2h 30m - 2h 59m (average flight time)• Distance: 1028 miles (1654 km) (air miles between airports)• Daily Flights: 10-20 flights (scheduled departures per day)
SEA
DEN
FLIGHT TIME
2h 30m - 2h 59m
FLIGHT DISTANCE
1028 miles (1654 km)
2h 38m - 2h 48m
08:06
20:17
1028 miles (1654 km)
March
1 (Show)
121
Alaska Airlines Flight Schedule from SEA to DEN
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS682 |  Alaska Airlines | 08:06 | 11:54:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS535 | Alaska Airlines | 11:05 | 14:47:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS786 | Alaska Airlines | 14:42 | 18:20:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS597 | Alaska Airlines | 20:17 | 00:01:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
Alaska Airlines Monthly Flight Calendar
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 30m - 2h 59m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 8:00, 11:00, 14:00, offering more flight options and potentially better connections.
SEA - DEN flight price statistics
$122
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$67
Jan$40
Feb$36
Mar$45
Apr$70
May$246
Jun$247
Jul$130
Aug$98
Sep$128
Oct$108
Nov$248
DecAlaska Airlines Terminal Information
Terminal information for Alaska Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from SEA to DEN?
Alaska Airlines operates 4 flights from SEA to DEN.
What city does DEN airport serve?
DEN airport serves Denver.
How long is the Alaska Airlines flight from SEA to DEN?
The flight duration is approximately 2h 30m - 2h 59m.
What is the distance from SEA to DEN?
The distance is 1028 miles (1654 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-900 (winglets) Passenger/BBJ3 on this route.
Which other airlines operate on this route?
4 other airlines operate on this route: Southwest Airlines, United Airlines, Delta Air Lines and 1 more.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 08:06 and the latest departs at 20:17.
What is the cheapest month to fly Alaska Airlines from SEA to DEN?
March is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from SEA to DEN?
The average price for a round-trip Alaska Airlines flight on this route is approximately $122. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 121 flights per week from SEA to DEN.