Flights operate between Boston (BOS) and SeaTac (SEA).
1 airline operates this route with 4-6 flights daily flights.
Average flight time is 6h 08m - 6h 40m.
Route distance is 2502 miles (4026 km).
Route Distance
2502 miles (4026 km)
Average Duration
6h 08m - 6h 40m
Airlines Operating This Route
Alaska Airlines
Flight Frequency
Daily Flights
4-6 flights
Weekly Flights
51
Typical Departure Time Ranges
Earliest Departure
07:11
Latest Departure
17:59
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
Alaska Airlines serves 1 destination from BOS
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| BOS → SeaTac (SEA) (SEA) | 21/week | 6h 08m - 6h 40m | 2,502 km | Moderate |
Flight Schedule & Filters
Alaska Airlines flights from Boston (BOS) to SeaTac (SEA)
Alaska Airlines operates scheduled nonstop flights between Boston (BOS) and SeaTac (SEA). Alaska Airlines operates 4-6 flights daily flights on this route.• Flight Duration: 6h 08m - 6h 40m (average flight time)• Distance: 2502 miles (4026 km) (air miles between airports)• Daily Flights: 4-6 flights (scheduled departures per day)
Boston (BOS)
US
SeaTac (SEA)
US
FLIGHT TIME
6h 08m - 6h 40m
FLIGHT DISTANCE
2502 miles (4026 km)
6h 26m - 6h 31m
07:11
17:59
2502 miles (4026 km)
March
1 (Show)
51
Alaska Airlines Terminal Information & Contact
Departure Terminal - Boston (BOS)
Terminal: B
Phone: 1-800-252-7522
Location: B, Boston, US
Arrival Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Seattle, US
Alaska Airlines Flight Schedule from Boston (BOS) to SeaTac (SEA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS459 |  Alaska Airlines | 07:11 | 10:42:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS215 | Alaska Airlines | 09:02 | 12:28:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
AS306 | Alaska Airlines | 17:59 | 21:28:00 | Boeing 737MAX 9 Passenger |
Alaska Airlines Monthly Flight Calendar
Loading calendar...
Loading price statistics...
Alaska Airlines Terminal Information
Departure Terminal at Boston (BOS):
Terminal B:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Arrival Terminal at SeaTac (SEA):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Alaska Airlines Contact Information and Customer Services
Alaska Airlines Address
P.O. Box 68900
Seattle, WA 98168, USA
Customer Service Phone
+1 800 654 5669Official Website
alaskaair.com/Frequently Asked Questions
How many Alaska Airlines flights operate from Boston (BOS) to Seattle (SEA)?
Alaska Airlines operates 3 flights from Boston (BOS) to Seattle (SEA).
What city does Seattle (SEA) airport serve?
Seattle (SEA) airport serves SeaTac, US.
How long is the Alaska Airlines flight from Boston (BOS) to Seattle (SEA)?
The flight duration is approximately 6h 08m - 6h 40m.
What is the distance from Boston (BOS) to Seattle (SEA)?
The distance is 2502 miles (4026 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-900 (winglets) Passenger/BBJ3, Boeing 737MAX 9 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 07:11 and the latest departs at 17:59.
View all Alaska Airlines flights to Boston (BOS) →
Popular Alaska Airlines routes from Boston include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.