Nonstop flights from Boston to Seattle

3 airlines fly this route, with up to 11 flights a day.

BOSBoston Logan International

2,488 mi · 73 flights a week

SEASeattle-Tacoma International

BOSSEA

When they leave

Boston time

7:03a7:44pFirst departure 7:03 AM, last 7:44 PM

Five in the morning, 7:03 AM to 11:20 AM, then two in the afternoon, 3:26 PM to 4:05 PM, then four in the evening, 5:56 PM to 7:44 PM.

Every flight

Earliest first

7:03 AM→10:26 AMAlaska AirlinesBoeing 737 MAX 9Daily
7:09 AM→10:30 AMJetBlueUntil Oct 24, back May 13, 2027Airbus A321Daily
7:45 AM→11:08 AMDelta Air LinesAirbus A321neoDaily
9:00 AM→12:23 PMAlaska AirlinesBoeing 737Daily
11:20 AM→2:41 PMDelta Air LinesAirbus A321neoDaily
3:26 PM→6:45 PMAlaska AirlinesBoeing 737 MAX 9Mon, Thu, Fri, Sat, Sun
4:05 PM→7:40 PMDelta Air LinesAirbus A321neoMon, Tue, Wed, Thu, Fri, Sun
5:56 PM→9:26 PMAlaska AirlinesBoeing 737Daily
7:30 PM→10:53 PMJetBlueUntil Oct 24, back May 13, 2027Airbus A320Daily
7:35 PM→11:11 PMDelta Air LinesAirbus A321neoDaily
7:44 PM→11:07 PMAlaska AirlinesBoeing 737 MAX 9Mon, Tue, Wed, Thu, Fri, Sun

Schedules last checked Sep 19, 2026. Times are local.

Flying from Boston to Seattle

Alaska Airlines flies most often, 4 to 5 times a day on the Boeing 737 MAX 9 and Boeing 737. Delta Air Lines flies 3 to 4 times a day on the Airbus A321neo. JetBlue flies twice a day on the Airbus A320 and Airbus A321.

Flights run every day of the week, from 9 on Saturdays to 11 on Mondays, Thursdays, Fridays and Sundays. The first arrival in Seattle is at 10:26 AM and the last at 11:11 PM. The flight covers 2,488 miles.

JetBlue flies it until Oct 24 and is back on May 13, 2027.

Flying back, Seattle to Boston has 73 nonstop flights a week.

Return flights

Seattle to BostonView

Find the cheapest day to fly from Boston to Seattle.

Schedules as of Oct 9, 2026.