Direct flights from Boston to Seattle
73 nonstop flights a week on 3 airlines. Zero layovers — one hop from BOS to SEA.
Flight time: about 5h32m nonstop
Which days does it fly?
When does it fly?
Departure times in Boston local time, from flights observed over the last 7 days.
| Flight | Departs | Duration | Days |
|---|---|---|---|
| JetBlue JBU397 | 7:22a | 5h26m | Wed, Fri |
| Alaska ASA459 | 7:22a | 5h28m | Thu, Sun |
| JetBlue JBU397 | 7:26a | 5h28m | Mon, Sun |
| Alaska ASA459 | 7:27a | 5h32m | Mon, Wed, Fri, Sat |
| JetBlue JBU397 | 7:36a | 5h50m | Thu |
| Alaska ASA459 | 7:46a | 5h25m | Tue |
| JetBlue JBU397 | 7:50a | 5h12m | Tue |
| Delta DAL384 | 8:12a | 5h21m | Tue, Sun |
| Delta DAL384 | 8:19a | 5h32m | Wed, Thu, Sat |
| Delta DAL384 | 8:26a | 5h20m | Mon |
| Delta DAL384 | 8:48a | 5h23m | Fri |
| Alaska ASA338 | 9:15a | 5h44m | Sun |
| Alaska ASA338 | 9:26a | 5h42m | Mon, Tue, Sat |
| Alaska ASA338 | 9:38a | 5h18m | Wed |
| Alaska ASA338 | 9:45a | 5h50m | Thu |
| JetBlue JBU397 | 9:52a | 5h36m | Sat |
| Alaska ASA338 | 11:31a | 5h59m | Fri |
| Delta DAL332 | 11:42a | 5h27m | Mon, Wed, Fri, Sun |
| Delta DAL332 | 11:52a | 5h25m | Tue, Thu |
| Delta DAL332 | 11:59a | 5h34m | Sat |
| Alaska ASA1506 | 3:45p | 5h53m | Sun |
| Alaska ASA1506 | 3:58p | 5h38m | Mon, Thu, Sat |
| Delta DAL2889 | 4:00p | 5h15m | Mon |
| Delta DAL2889 | 4:10p | 5h24m | Tue, Wed, Fri, Sun |
| Delta DAL2889 | 4:19p | 5h29m | Thu |
| Alaska ASA1506 | 4:22p | 6h2m | Fri |
| Alaska ASA304 | 6:16p | 5h50m | Sun |
| Alaska ASA304 | 6:27p | 5h58m | Tue |
| Alaska ASA304 | 6:49p | 5h37m | Wed, Fri |
| Alaska ASA304 | 7:00p | 5h21m | Mon |
| Alaska ASA304 | 7:17p | 5h43m | Thu |
| Delta DAL324 | 7:18p | 5h32m | Sat |
| Delta DAL324 | 7:42p | 5h31m | Sun |
| JetBlue JBU197 | 7:44p | 5h46m | Tue, Sun |
| Delta DAL324 | 7:49p | 5h32m | Wed, Fri |
| JetBlue JBU197 | 7:52p | 5h11m | Mon |
| Delta DAL324 | 7:55p | 5h57m | Tue |
| JetBlue JBU197 | 8:01p | 5h34m | Sat |
| Alaska ASA1337 | 8:06p | 5h52m | Tue, Wed, Sun |
| Delta DAL324 | 8:13p | 5h37m | Thu |
| Alaska ASA304 | 8:15p | 6h2m | Sat |
| Alaska ASA1337 | 8:16p | 5h19m | Mon |
| JetBlue JBU197 | 8:22p | 5h32m | Wed–Thu |
| Delta DAL324 | 8:54p | 5h19m | Mon |
| JetBlue JBU197 | 8:55p | 5h25m | Fri |
| Alaska ASA1337 | 9:24p | 6h7m | Fri |
| Alaska ASA1337 | 9:48p | 5h59m | Thu |
DeltaThe route
One hop: BOS → SEADrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
Nonstop from Boston (BOS) to Seattle (SEA)
Boston Logan International Airport (BOS) has 73 nonstop flights a week to Seattle (SEA), operated by Alaska, Delta and JetBlue. No layovers, no connections — one hop out of BOS and you're there.
This route flies every day of the week, so any travel day works. Route data updated July 2026 from observed departures.
Route data updated July 2026 from observed flight departures. Schedules change — always confirm with the airline before booking.
How long is the flight from Boston to Seattle?
The nonstop flight from Boston (BOS) to Seattle (SEA) takes about 5h32m in the air, based on recently observed nonstop departures.
How long does it take to drive from Boston to Seattle?
Driving from Boston to Seattle takes about 44h 21m behind the wheel — roughly 3,044 miles, or about 4 days of real driving. The nonstop flight takes about 5h32m.