Direct flights from Boston to Seattle

  • ~11 flights a day
  • 3 airlines

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When the nonstops leave

Typical weekly schedule · 78 flights per week (~11 per day) · Updated 136d ago

Most leave in the morning.

Morning before noon 42 a week
7:20 AM 9:00 AM 9:01 AM
7:48 AM 11:55 AM
7:00 AM
Afternoon noon – 6 PM 20 a week
4:33 PM 4:48 PM
3:55 PMnot Sat
Evening after 6 PM 16 a week
6:45 PMWed, Sat 7:30 PM
7:11 PM
Alaska Airlines
JetBlue Airways
Delta Air Lines

More nonstops from Boston

BOS → MIA Miami 6 airlines BOS → ORD Chicago 6 airlines BOS → DEN Denver 5 airlines BOS → LHR London 5 airlines BOS → DFW Dallas-Fort Worth 4 airlines BOS → LAX Los Angeles 4 airlines BOS → RDU Raleigh/Durham 4 airlines BOS → SAN San Diego 4 airlines SEA → BOS The return trip BOS All nonstops from Boston SEA All nonstops from Seattle

Frequently asked questions

Is there a direct flight from Boston to Seattle?

Yes. Alaska Airlines, Delta Air Lines and JetBlue Airways fly nonstop from Boston (BOS) to Seattle (SEA), several times daily. The flight takes about 5h 38m and covers 2,489 miles (4,005 km). Schedule data from 4 June 2026.

Which airlines fly direct from Boston to Seattle?

Alaska Airlines, Delta Air Lines, JetBlue Airways operate nonstop flights from Boston to Seattle.

How long is the flight from Boston to Seattle?

The nonstop flight from Boston to Seattle takes ~5h 38m (approximately 4005 km).

How often do direct flights operate from Boston to Seattle?

Nonstop flights from Boston to Seattle operate several times daily — 78 flights per week (~11 per day).

What days of the week are there direct flights from Boston to Seattle?

Direct flights from Boston to Seattle operate every day of the week. Alaska Airlines flies daily, JetBlue Airways flies daily, and Delta Air Lines flies daily.