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Cheap flights from Boston to Seattle (BOS - SEA)

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Boston to Seattle 2020 flight deals

Cheap flights to Seattle from Boston found for this year
25 Feb - 3 Mar
$170pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
22 Jan - 23 Jan
$187pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Major Airline
Non-Stop
BOS
Boston Logan Intl
24 Jan - 27 Jan
$187pp
BOS
Boston Logan Intl
Major Airline
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Major Airline
Non-Stop
BOS
Boston Logan Intl

Alternative routes for Boston to Seattle

Destination information for Seattle

Things to know before you go. Useful info for your trip from Boston to Seattle
Flight duration
5h 58m
Average temperature for December in Seattle
46.4 °F
Avg rainfall for December in Seattle
5.3 ″

Airports servicing Boston

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)
Redmond (SEA)

Related info for your journey

Useful info, stats and facts about Boston to Seattle flights.

Flight FAQs

From Boston to Seattle

What days are nonstop flights available from Boston to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Within the past month, 230 users have taken a look at flights from Boston Logan Intl to Seattle.

What percent of flights are delayed?

Flights from Boston to Seattle are usually delayed by 54min. so prepare accordingly.

How many passenger seats are available on a flight on this route?

Expect 294 seats to be available on average per day for flights from Boston Logan Intl to Seattle.

What is the cheapest airline for this route?

While looking for the best option consider JetBlue Airways, our data currently shows that they have the cheapest flight available for the flight path. When traveling from Boston to Seattle, generally 28 flights depart for this route daily.

How long does the flight from Boston to Seattle take?

A typical nonstop flight can take about 7 hours, covering about 1,555 miles.

How many flights depart from Boston to Seattle on average per day?

On average, you can expect to see 28 flights from Boston Logan Intl to Seattle a day.
Early Morning (Midnight to 6am) - 54% of flight departures
Evening (6pm - Midnight) - 46% of flight departures

Is Boston weather warmer or cooler than Seattle?

You can imagine temperatures to be in the 84 °F range in July. The weather in Seattle is generally colder than Boston's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.