Cheap flights from Boston to Seattle (BOS - SEA)

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.