Alaska Airlines flights from SEA to BIL
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from SEA to BIL. Alaska Airlines operates 1-2 flights daily flights on this route.• Flight Duration: 1h 44m - 1h 59m (average flight time)• Distance: 665 miles (1070 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
SEA
BIL
FLIGHT TIME
1h 44m - 1h 59m
FLIGHT DISTANCE
665 miles (1070 km)
1h 55m - 1h 56m
08:01
21:33
665 miles (1070 km)
December
1 (Show)
20
Alaska Airlines Flight Schedule from SEA to BIL
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS2084 |  Alaska Airlines | 08:01 | 10:57:00 | Embraer 175 |
AS2457 | Alaska Airlines | 21:33 | 00:28:00 | Embraer 175 |
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 1h 44m - 1h 59m.
Pricing patterns: December typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 8:00, 21:00, offering more flight options and potentially better connections.
SEA - BIL flight price statistics
$513
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.
$877
Jan$478
Feb$399
Mar$277
Apr$277
May$839
Jun$918
Jul$638
Aug$588
Sep$348
Oct$258
Nov$257
DecAlaska Airlines Terminal Information
Departure Terminal at SEA:
• Terminal : Alaska Airlines operates from this terminal
Arrival Terminal at BIL:
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from SEA to BIL?
Alaska Airlines operates 2 flights from SEA to BIL.
What city does BIL airport serve?
BIL airport serves Billings.
How long is the Alaska Airlines flight from SEA to BIL?
The flight duration is approximately 1h 44m - 1h 59m.
What is the distance from SEA to BIL?
The distance is 665 miles (1070 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Embraer 175 on this route.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 08:01 and the latest departs at 21:33.
What is the cheapest month to fly Alaska Airlines from SEA to BIL?
December 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 BIL?
The average price for a round-trip Alaska Airlines flight on this route is approximately $513. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 20 flights per week from SEA to BIL.