Cheap flights from Boston to Seattle
The best prices from Boston Logan Intl to Seattle/Tacoma Intl are usually found in January or February, booked 82 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Boston to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 November 2024.
Round-trip from | £488 |
|---|---|
Popular in | July |
Cheapest in | January |
Average price | £236 |
Travel insights for flights from Boston to Seattle
Get recent, data-driven insights about flights from Boston to Seattle including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Boston to Seattle?
Use this chart to determine the optimal time to book a return flight from Boston to Seattle. Price data was last updated on 15 November 2024.
The best time to book flights from Boston to Seattle is 82 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.
What is the cheapest month to book a flight from Boston to Seattle?
Currently, January is the cheapest month in which you can book a flight from Boston to Seattle (average of £616). Flying from Boston to Seattle in July is currently the most expensive (average of £841). 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.
What is the cheapest time of day to fly from BOS to SEA?
Find hourly flight availability from Boston to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 November 2024.
It’s typically best to fly out from Boston to Seattle at midday. Doing so could potentially save you 16% on the flight price compared to flying in the morning, which is usually more expensive.
Weekly flight availability from Boston to Seattle
Explore weekly flight availability from Boston to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 November 2024.
The most flights from BOS to SEA are scheduled on a Thursday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 inches per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, 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 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
Related info for your journey
Find useful and relevant information for your journey from Boston to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Complete your trip
Complete your trip to Seattle by adding a car hire and/or hotel booking to your travel itinerary.
Top airline flying from Boston to Seattle
Discover the top airline that operate flights from Boston to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 915,844 searches. Data last updated 22 November 2024.
Fly with Cheapflights
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How does Cheapflights help users find flights from Boston to Seattle?
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.
Why should you use Cheapflights to find cheap flight tickets from Boston to Seattle?
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.
Can Cheapflights find flights from Boston to Seattle with no change fees?
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.
Can Cheapflights notify me if prices for flights from Boston to Seattle become cheaper?
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