Airlinecoop.org

Alaska Airlines flights from Boston to Seattle

Alaska Airlines flies Boston to Seattle nonstop 21 times a week, departures from 07:00 to 18:20, 6h 22m in the air. Tickets from $242 (the route's cheapest fare is $170).

Flights from Boston to Seattle

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: Boston to Seattle

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Alaska Airlines on Boston to Seattle at a glance

flights a week
21
days of operation
Daily
first and last departure
07:00 - 18:20
flight time
6h 22m - 6h 41m
aircraft
Boeing 737-900, Boeing 737
departure terminal
B
cheapest fare, 15 December
$242
cheapest fare on the route
$170

Alaska Airlines Boston to Seattle schedule

21 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AS 459
Alaska Airlines
07:00 Logan International, terminal B
10:28 Seattle-Tacoma International
6h 28m
Mon, Fri, Sat, Sun
Boeing 737
AS 459
Alaska Airlines
07:13 Logan International, terminal B
10:39 Seattle-Tacoma International
6h 26m
Daily
Boeing 737
AS 215
Alaska Airlines
09:00 Logan International, terminal B
12:26 Seattle-Tacoma International
6h 26m
Mon, Fri, Sat, Sun
Boeing 737-900
AS 215
Alaska Airlines
09:03 Logan International, terminal B
12:27 Seattle-Tacoma International
6h 24m
Daily
Boeing 737-900
AS 257
Alaska Airlines
16:33 Logan International, terminal B
19:59 Seattle-Tacoma International
6h 26m
Sat
Boeing 737-900
AS 257
Alaska Airlines
17:44 Logan International, terminal B
21:08 Seattle-Tacoma International
6h 24m
Tue, Wed
Boeing 737
AS 257
Alaska Airlines
17:50 Logan International, terminal B
21:15 Seattle-Tacoma International
6h 25m
Sat
Boeing 737
AS 257
Alaska Airlines
18:04 Logan International, terminal B
21:29 Seattle-Tacoma International
6h 25m
Mon, Fri, Sun
Boeing 737-900
AS 257
Alaska Airlines
18:20 Logan International, terminal B
21:44 Seattle-Tacoma International
6h 24m
Mon, Thu, Fri, Sun
Boeing 737-900

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 1 December.

FlightDepartsArrivesDurationDaysAircraft
AS 257
Alaska Airlines
18:22 Logan International, terminal B
22:00 Seattle-Tacoma International
6h 38m
Seasonal
Boeing 737
AS 257
Alaska Airlines
18:09 Logan International, terminal B
21:50 Seattle-Tacoma International
6h 41m
Seasonal
Boeing 737-900
AS 257
Alaska Airlines
18:28 Logan International, terminal B
21:56 Seattle-Tacoma International
6h 28m
Seasonal
Boeing 737-900
AS 459
Alaska Airlines
07:08 Logan International, terminal B
10:30 Seattle-Tacoma International
6h 22m
Seasonal
Boeing 737-900
AS 1552
Alaska Airlines
09:00 Logan International, terminal B
12:22 Seattle-Tacoma International
6h 22m
Seasonal
Boeing 737-900
AS 306
Alaska Airlines
18:32 Logan International, terminal B
21:58 Seattle-Tacoma International
6h 26m
Seasonal
Boeing 737-900
AS 306
Alaska Airlines
17:00 Logan International, terminal B
20:26 Seattle-Tacoma International
6h 26m
Seasonal
Boeing 737-900
AS 1748
Alaska Airlines
19:45 Logan International, terminal B
23:11 Seattle-Tacoma International
6h 26m
Seasonal
Boeing 737-900
AS 463
Alaska Airlines
15:28 Logan International, terminal B
18:50 Seattle-Tacoma International
6h 22m
Seasonal
Boeing 737-900

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Seattle is 3 hours behind Boston.

Other airlines flying Boston to Seattle

Nonstop flights by the current schedule

Delta Southwest Airlines United Airlines jetBlue All flights Boston to Seattle

Frequently asked questions

How many Alaska Airlines flights are there from Boston to Seattle?
21 nonstop flights a week, 7 flight numbers in the schedule: Daily.
How long is the Alaska Airlines flight from Boston to Seattle?
From 6 hours 22 minutes to 6 hours 41 minutes nonstop, depending on the flight.
Which aircraft does Alaska Airlines fly from Boston to Seattle?
Boeing 737-900 and Boeing 737.
Which terminals does Alaska Airlines use between Boston and Seattle?
Alaska Airlines departs from Logan International, terminal B and arrives at Seattle-Tacoma International.
How much is a Alaska Airlines ticket from Boston to Seattle?
The cheapest Alaska Airlines nonstop fare found recently is $242 for 15 December; the cheapest fare on the route with any airline is $170. The search shows the price for your date.