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Cheap flights from Boston to Seattle

BOS — SEA
3 Nov — 10 Nov1
1 adult

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 29 October 2024.

Round-trip from

₹ 84,613

Popular in

July

Cheapest in

January

Average price

₹ 29,932
From Boston Logan Intl to Seattle/Tacoma Intl
High demand for flights, 30% potential price rise
Best time to find cheap flights, 35% potential price drop
Average for round-trip flights in October 2024

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 25 October 2024.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Seattle?

Currently, October is the cheapest month in which you can book a flight from Boston to Seattle (average of ₹ 1,006). Flying from Boston to Seattle in August is currently the most expensive (average of ₹ 1,512). 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 29 October 2024.

It’s typically best to fly out from Boston to Seattle in the morning. Doing so could potentially save you 4% on the flight price compared to flying at midday, 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 29 October 2024.

The most flights from BOS to SEA are scheduled on a Monday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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.
  • How popular is this Boston to Seattle flight route?

  • What are the most reliable airlines from Boston to Seattle?

    Consider Hainan Airlines (100%), Scandinavian Airlines (94%) or China Eastern (94%) when booking your flight. These represent the most reliable airlines when flying from Boston to Seattle.

  • Can I find deals for flights from Boston to Seattle that include hotel bookings?

    Yes. In addition to deals on Boston to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Seattle.

  • Can I find deals for business class flights from Boston to Seattle?

    Yes. Cheapflights offers flight deals from Boston to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Seattle?

    Currently, October is the cheapest month in which you can book a flight from Boston to Seattle (average of ₹ 1,006). Flying from Boston to Seattle in August is currently the most expensive (average of ₹ 1,512). 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.

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Browse thousands of different options on Cheapflights for your next trip

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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 421,317 searches. Data last updated 29 October 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest₹ 14,092Average₹ 43,830FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Boston to Seattle?

Cheapflights helps you search for flights from Boston to Seattle via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Need flexible booking options for your flight to Seattle from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Seattle become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.

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