BOS to SEA (Boston to Seattle) Flights

Last Minute Flights from BOS to SEA

Price found within the past 7 days for the specified period. Click for updated prices.

Cheapest BOS to SEA Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
BOSSeattleMay 13 to May 19$235
BOSSeattleMay 6 to May 19$237
BOSSeattleMay 6 to May 19$246
BOSSeattleApril 29 to May 5$250
BOSSeattleMay 6 to May 19$255
*Prices include taxes and fees
BOS to SEA Flight Details
Origin airport
Logan Intl.
Origin airport IATA code
BOS
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Distance
2487 mi

Frequently asked questions

What airlines fly direct from BOS to Sea-Tac Airport?
From Boston, the only thing between you and SeaTac is just one easy flight. These leading airlines offer nonstop services from Logan Intl. Airport to Seattle - Tacoma Intl. Airport (SEA):

  • Alaska Airlines (AS)
  • Delta Air Lines (DL)
  • JetBlue Airways (B6)
  • Hainan Airlines (HU)

How many flights are there from BOS to SEA?
No less than 8 services are available every day between Boston, MA (BOS-Logan Intl.) and Seattle, WA (SEA-Seattle - Tacoma Intl.). Buckle up because your plane to SeaTac is ready to go.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Around 6 hours and 13 minutes. Got a daytime flight? Secure a window seat and stare out at the changing views. Or, if you're traveling from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.) after sunset, close your eyes and get to SeaTac feeling refreshed and rested.
What is the flight distance from Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
From Boston, MA (BOS-Logan Intl.) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll be traversing a distance of 2,500 miles (4,000 1). Choose who you jet off with wisely. Food, entertainment and comfort are among the things any reputable long-haul carrier should do well.
How many morning flights are there from BOS to SEA?
There are 27 morning flights from BOS to SEA per week. Alaska Airlines (AS) offers 14 weekly flights that take off before midday. For early birds, book the first flight at 7:00AM.
How many afternoon flights are there from BOS to SEA?
Each week, there are 29 afternoon and evening flights from BOS to SEA. If you plan to take off with Alaska Airlines (AS), it offers 12 weekly flights that depart after midday. The earliest one leaves the terminal at 5:27PM.
What is the earliest departure time out of Boston to SeaTac?
Take off from BOS at 6:30AM and arrive at SEA at 12:47PM. This is the earliest departure you'll find on this route.
What is the latest departure time out of Boston to SeaTac?
The latest flight departs BOS at 7:59PM and comes in at SEA at 2:13AM. You'll have more than enough time to get ready for this journey.
What is the average price from Boston to SeaTac?
Flights from BOS to SEA are available for around $235. You'll want to act fast, because deals this good get scooped up in a hurry! This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Boston to Seattle Flights

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