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Cheap flights from Boston to Seattle (BOS - SEA)

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Cheap flights from Boston to Seattle in February 2020

The best prices found for BOS to SEA flights for February
26 Feb - 3 Mar
$176pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
29 Feb - 4 Mar
$228pp
BOS
Boston Logan Intl
Multiple Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
25 Feb - 4 Mar
$229pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl

Boston to Seattle 2020 flight deals

Cheap flights to Seattle from Boston found for this year
1 Apr - 7 Apr
$174pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
17 Mar - 24 Mar
$177pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
1 May - 6 May
$184pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl

Non-stop flights to Seattle from Boston

Save time with Boston to Seattle direct flight deals
3 Mar - 4 Mar
$197pp
BOS
Boston Logan Intl
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOS
Boston Logan Intl

Last minute flights from Boston to Seattle

Late deals on round-trip flights to Seattle from Boston, departing today and this week
19 Feb - 24 Feb
$243pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
20 Feb - 24 Feb
$253pp
BOS
Boston Logan Intl
JetBlue
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
JetBlue
 
1 STOP
BOS
Boston Logan Intl

One-way flights to Seattle from Boston

The cheapest one-way flights from Boston to Seattle
10:20 am - 8:00 pm
Major Airline
Nonstop
12h 40m
BOS - SEA
Major Airline
$288
Flightsbank
1:40 am - 5:21 am
Delta
Nonstop
6h 41m
BOS - SEA
Delta
$351
Delta
11:50 am - 3:20 pm
Alaska Airlines
Nonstop
6h 30m
BOS - SEA
Alaska Airlines

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 56m
Average temperature for February in Seattle
50.0 °F
Avg rainfall for February in Seattle
3.5 ″

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

Are there nonstop flights from Boston to Seattle for under $200 on Cheapflights?

There are no nonstop flights from Boston to Seattle, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Boston to Seattle for under $200?

There are currently just 3 open flights from Boston to Seattle within the next 7 days for less than $200.

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, 212 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 44 flights from Boston Logan Intl to Seattle a day.
Early Morning (Midnight to 6am) - 23% of flight departures
Morning (6am - Noon) - 32% of flight departures
Afternoon (Noon - 6pm) - 14% of flight departures
Evening (6pm - Midnight) - 32% 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.