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Cheap flights from Boston to Seattle (BOS - SEA)

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Cheap flights from Boston to Seattle in April 2020

The best prices found for BOS to SEA flights for April
30 Apr - 3 May
$48pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
29 Apr - 4 May
$53pp
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 Apr - 25 Apr
$60pp
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
4 Jun - 10 Jun
$43pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
28 May - 4 Jun
$50pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
8 May - 17 May
$51pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 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
6 Apr - 10 Apr
$48pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
3 Apr - 12 Apr
$50pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl
4 Apr - 10 Apr
$53pp
BOS
Boston Logan Intl
Spirit Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Spirit Airlines
 
1 STOP
BOS
Boston Logan Intl

One-way flights to Seattle from Boston

The cheapest one-way flights from Boston to Seattle
2:47 pm - 6:12 pm
JetBlue
Nonstop
6h 25m
BOS - SEA
JetBlue
1:10 pm - 4:34 pm
Major Airline
Nonstop
6h 24m
BOS - SEA
Major Airline
$684
CheapTicketsDeal
1:03 pm - 4:15 pm
Delta
Nonstop
6h 12m
BOS - SEA
Delta
$699
Delta

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
Average temperature for April in Seattle
60.8 °F
Avg rainfall for April in Seattle
3.0 ″

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 flight prices decreasing from Boston to Seattle due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and Seattle for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Boston to Seattle for under $100 on Cheapflights?

Yes, there are multiple flights from Boston to Seattle for under $100. The cheapest flight booked recently is on Spirit Airlines for just $48, but on average you can expect to pay $53.

Are there nonstop flights from Boston to Seattle for under $0 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 $100?

There are currently just 3 open flights from Boston to Seattle within the next 7 days for less than $100.

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, 204 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.

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 46 flights from Boston Logan Intl to Seattle a day.
Early Morning (Midnight to 6am) - 28% of flight departures
Morning (6am - Noon) - 28% of flight departures
Afternoon (Noon - 6pm) - 15% of flight departures
Evening (6pm - Midnight) - 28% 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.