Direct flights from Boston to Seattle
58 nonstop flights a week on 3 airlines. Zero layovers — one hop from BOS to SEA.
Flight time: about 5h50m 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 |
|---|---|---|---|
| Alaska ASA459 | 7:20a | 6h8m | Mon, Wed, Fri |
| Alaska ASA459 | 7:26a | 6h12m | Sat |
| JetBlue JBU397 | 7:29a | 5h54m | Tue |
| Alaska ASA459 | 7:35a | 5h41m | Tue, Thu |
| Alaska ASA459 | 7:58a | 5h53m | Sun |
| Delta DAL384 | 8:09a | 5h42m | Mon, Wed, Thu, Fri |
| Delta DAL384 | 8:32a | 5h50m | Sun |
| Delta DAL384 | 8:38a | 5h46m | Tue, Sat |
| Alaska ASA215 | 10:12a | 6h11m | Fri |
| Alaska ASA215 | 10:16a | 5h35m | Tue |
| Alaska ASA215 | 10:28a | 6h12m | Thu, Sat, Sun |
| Alaska ASA215 | 11:09a | 6h8m | Mon |
| Alaska ASA215 | 11:31a | 6h8m | Wed |
| Delta DAL332 | 12:01p | 5h36m | Tue–Thu |
| Delta DAL332 | 12:10p | 5h40m | Mon |
| Delta DAL332 | 12:27p | 5h33m | Fri |
| Delta DAL332 | 2:09p | 5h8m | Sat |
| Alaska ASA289 | 4:59p | 6h9m | Tue |
| Alaska ASA289 | 5:22p | 6h3m | Sun |
| Alaska ASA289 | 5:40p | 6h19m | Fri |
| Alaska ASA289 | 5:48p | 5h57m | Mon |
| Delta DAL2889 | 5:52p | 5h41m | Mon |
| Alaska ASA289 | 5:58p | 5h41m | Wed |
| Alaska ASA289 | 6:09p | 5h54m | Thu, Sat |
| Delta DAL332 | 7:26p | 6h18m | Sun |
| JetBlue JBU397 | 7:28p | 6h11m | Wed, Sat |
| JetBlue JBU397 | 7:38p | 6h17m | Thu |
| JetBlue JBU397 | 7:46p | 5h46m | Fri |
| Delta DAL324 | 7:54p | 5h42m | Wed |
| JetBlue JBU197 | 7:56p | 5h50m | Tue |
| Delta DAL324 | 8:01p | 5h41m | Thu |
| Delta DAL324 | 8:05p | 6h1m | Fri |
| Delta DAL324 | 8:16p | 5h37m | Tue |
| JetBlue JBU397 | 8:18p | 5h25m | Mon, Sun |
| Delta DAL324 | 8:36p | 5h43m | Mon |
| Alaska ASA306 | 8:38p | 5h37m | Sat |
| Alaska ASA306 | 8:56p | 6h20m | Thu |
| Alaska ASA306 | 9:06p | 6h11m | Fri |
| Delta DAL324 | 9:21p | 5h38m | Sun |
| Delta DAL324 | 9:25p | 5h25m | Sat |
| Alaska ASA306 | 9:26p | 5h57m | Mon–Tue |
| Alaska ASA306 | 9:51p | 6h11m | Wed |
| Alaska ASA306 | 11:26p | 5h32m | Sun |
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 58 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 September 2026 from observed departures.
Route data updated September 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 5h50m 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 5h50m.