Seattle to Boston Flight Schedule — Daily Timetable & Departure Times
Seattle to Boston Daily Flight Schedule — Today's Timetable
| Flight | Airline | Departure | Arrival | Duration | Aircraft | Stops |
|---|---|---|---|---|---|---|
| DL-459 | DL | 7:29 AM | 4:00 PM | 8h 31m | A321neo | Direct |
| AS-306 | AS | 8:23 AM | 4:53 PM | 8h 30m | 73J | Direct |
| AS-219 | AS | 10:13 AM | 6:41 PM | 8h 28m | B737 MAX 9 | Direct |
| DL-438 | DL | 11:10 AM | 7:36 PM | 8h 26m | A321neo | Direct |
| B6-398 | B6 | 11:45 AM | 8:13 PM | 8h 28m | A321ceo | Direct |
| AS-460 | AS | 3:36 PM | 11:59 PM | 8h 23m | B737 MAX 9 | Direct |
| DL-474 | DL | 4:00 PM | 12:21 AM | 8h 21m | A321neo | Direct |
| DL-473 | DL | 11:15 PM | 7:35 AM | 8h 20m | A321neo | Direct |
| AS-536 | AS | 11:18 PM | 7:40 AM | 8h 22m | 73J | Direct |
| B6-198 | B6 | 11:44 PM | 8:00 AM | 8h 16m | A320ceo | Direct |
Airlines Flying Seattle to Boston
The following airlines operate direct flights on the Seattle (SEA) to Boston (BOS) route:
AS operates 4 flights daily on this route using B737 MAX 9, 73J aircraft.
DL operates 4 flights daily on this route using A321neo aircraft.
B6 operates 2 flights daily on this route using A320ceo, A321ceo aircraft.
Seattle to Boston Flight Time & Route Information
Flights from Seattle to Boston depart from SEA Airport (SEA) and arrive at BOS Airport (BOS). The first flight of the day departs at 7:29 AM and the last flight departs at 11:44 PM.
Looking for cheap Seattle to Boston flight tickets? Compare live fares and book directly on HappyFares at the lowest airfare.
Frequently Asked Questions — Seattle to Boston Flight Schedule
How many flights operate from Seattle to Boston daily?
10 flights operate from Seattle to Boston daily. Airlines on this route include AS, DL, B6.
What is the first flight from Seattle to Boston?
The first flight from Seattle to Boston is DL-459 operated by DL, departing at 7:29 AM.
What is the last flight from Seattle to Boston?
The last flight from Seattle to Boston is B6-198 operated by B6, departing at 11:44 PM.
Which airlines fly from Seattle to Boston?
AS, DL, B6 operate flights on the Seattle to Boston route. Use HappyFares to compare fares across all airlines and book the cheapest ticket.
What is the Seattle to Boston flight schedule today?
Today's Seattle to Boston flight schedule has 10 flights. Departures range from 7:29 AM (DL DL-459) to 11:44 PM (B6 B6-198).
How to check Seattle to Boston live flight status?
For live Seattle to Boston flight status including delays, gate changes, and real-time tracking, visit our dedicated flight status page.
What is the cheapest Seattle to Boston flight ticket?
To find the cheapest Seattle to Boston flight ticket, compare fares across all airlines on HappyFares. Book 3–6 weeks in advance and fly mid-week for the lowest airfare on this route.