Popular in | June |
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Cheapest in | January |
Average price | £305 |
Round-trip from | £475 |
Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 52% on the overall cost on flights from Boston to Seattle.
Find a great deal and save up to 36% by booking at least 37 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to Seattle within the next two weeks, with the cheapest ticket starting at £265.
Our data shows that January tends to be the cheapest month to fly to Seattle from Boston. Users have commonly found prices around £286 for the month, but tickets can be as low as £79. Due to multiple factors, prepare for potentially higher prices in June.
It’s typically best to fly out from Boston to Seattle at midday. Doing so could potentially save you 65% on the flight price compared to flying in the morning, which is usually more expensive.
Currently, February is the cheapest month in which you can book a flight from Boston to Seattle (average of £594). Flying from Boston to Seattle in July is currently the most expensive (average of £800). 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.
January
£489
February
£475
March
£506
April
£521
May
£546
June
£613
July
£640
August
£611
September
£549
October
£525
November
£479
December
£475
SEA Temperature | 5 - 19 °C |
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5%of flight departures | Early morningMidnight to 6 am |
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54%of flight departures | Morning6 am to noon |
37%of flight departures | AfternoonNoon to 6 pm |
4%of flight departures | Evening6 pm to midnight |
Monday | 23daily flights |
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Tuesday | 25daily flights |
Wednesday | 21daily flights |
Thursday | 22daily flights |
Friday | 25daily flights |
Saturday | 20daily flights |
Sunday | 22daily flights |
When you search for this flight from Boston to Seattle, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Millions of users choose and trust Cheapflights to book the best flight deals from Boston to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Seattle, users can toggle the no change fees filter when performing a flight search.
Of course! You can now track prices for flights from Boston to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.