Round-trip from | £385 |
---|---|
Popular in | July |
Cheapest in | January |
Average price | £274 |
The best time to book flights from Seattle to Boston is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, February is the cheapest month in which you can book a flight from Seattle to Boston (average of £74). Flying from Seattle to Boston in July is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Boston as you normally would.
The most flights from SEA to BOS are scheduled on a Thursday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.
If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).
Deals for Seattle to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Boston from Seattle.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Seattle to Boston, users can toggle the no change fees filter when performing a flight search.
Not ready to book yet? You can track prices for flights from Seattle to Boston on Cheapflights with our Price Alert feature and get notified when better prices are available.