Boston to Seattle Flight Route Information
| Travel Distance: | 2,490 Miles |
|---|---|
| Airlines Flying This Route: | Alaska Airlines, JetBlue Airways, Delta Air Lines |
| Weekly Flights: | 47 |
| Avg. Flight Duration: | 06.06 Hours |
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10/17/2026 Find Cheap Flights from Boston to Seattle (BOS to SEA)
BOS - Boston SEA - Seattle 
Find Cheap Flights from Boston to Seattle (BOS to SEA)
Fares Starting from $197
BOS - Boston SEA - Seattle Great deal! This is the lowest price we've seen for this one way route in the last 12 hours. Prices may change and aren't guaranteed for all flights or dates. Click on the price to continue your search and check the latest available fare. Ref. id 202609~Ref:iWfx7Lkow0iIC3FJ6gAOgA
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Cheap Flights from Boston to Seattle - Compare & Book Our Best Deals
With over 6 daily departures from Boston to Seattle, this route offers great flexibility for different travel plans. Browse one-way fares from $196.44, round-trip fares from $373.62, and other affordable options across different budgets. Compare flight choices, explore schedules, and book the best Boston to Seattle deals that fit your budget and travel preferences.
Top Airlines that fly from Boston to Seattle
Cheap Flight Deals from Boston to Seattle
BOS Boston Sat, Oct 17
SEA Seattle
from $197
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BOS Boston Wed, Oct 21
SEA Seattle
from $197
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BOS Boston Sat, Oct 24
SEA Seattle
from $197
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Fares are one way/round trip. Fares incl. all fuel surcharges, taxes & fees and our service fees. Displayed fares are subject to change and cannot be guaranteed at the time of booking. See all booking terms and conditions. 202609~Ref:iWfx7Lkow0iIC3FJ6gAOgA
Insights about cheap flights from Boston to Seattle – Direct Flights, Duration & Best Travel Time
When it comes to booking cheap flights, having the right information at your fingertips can make all the difference. Dive into the insights for cheap flights from Boston to Seattle and enhance your travel experience!
Daily Flights
6
Cheapest Month
April
Avg. Flight Duration
06.06
Peak Season
October
Distance
2,490 miles
Direct Flights
189
When is the Cheapest Time to Book Flights from BOS to SEA?
Explore data-powered insights and trends for flights from Boston to Seattle. Discover average fares, cheap months to fly, when to book, and plan smarter.
What’s the cheapest day of the week to fly from Boston to Seattle?‡
What is the cheapest month to fly from Boston to Seattle?‡
‡This information is based on historical data from the last 365 days.
Finding Affordable Flights from Boston to Seattle
- Plan Ahead - One of the keys to securing cheap flights from Boston to Seattle is to plan your trip well in advance. Airlines often offer lower prices for those who book tickets months ahead. Keep an eye on special promotions and sales events, which can yield significant savings.
- Flexibility is Key - Being flexible with your travel dates can also lead to substantial cost savings. Consider flying during off-peak seasons or on weekdays when prices tend to be lower.
- Set Price Alerts - To keep tabs on flight prices, consider setting up fare alerts. These alerts will notify you when fares from Boston to Seattle drop, giving you the opportunity to grab cheap deals.
- Consider Nearby Airports - If Seattle has multiple airports, check the prices at each one. Sometimes, flying into a nearby airport and then taking a short train or bus ride to your destination can be a much cheaper option.
- Bundle and Save - Booking your flight and accommodation together as a package can often result in significant savings. CheapOair offers these bundled deals, so make sure to explore this option.
When should I book flights from BOS to SEA? ‡
‡Got flexible travel dates? Use our flight data from the past year to discover ideal time to fly from Boston to Seattle. Find out which months and days typically offer lower fares and let CheapOair search for the best options.
CheapOair provides the predicted prices for one-way trips or round-trips with a duration of 7 days for domestic and 14 days for international trips based on historical data and available flight information. Graphs are estimates only. Prices are subject to change and can't be guaranteed until ticketed.
Estimated price for
Round-trip
‡Graphs are estimates only. Based on historical data and available flight information. Prices are subject to change and cannot be guaranteed until ticketed.
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Insights About Flying from Boston to Seattle
Which is the high season to travel from Boston to Seattle?
The month of October is considered the high season for flying from BOS to SEA. Traveling during the high season can affect ticket prices and availability, making this data crucial for trip planning.
How many direct flights are available from BOS to SEA?
There are a total of 189 direct flights from Boston to Seattle. For travelers seeking convenience and shorter travel times, this data is important when choosing flight options.
Which is the low season to travel from Boston to Seattle?
April is considered the low season for traveling from Boston to Seattle, Washington. Travelers looking for cost-effective options and fewer crowds may consider traveling during this period.
How many daily flights are there between Boston to Seattle?
There are as many as 6 daily flights available for travelers between BOS to SEA. This data offers flexibility in choosing departure times that best suit your schedule.
Which is the busiest day for passengers flying between Boston to Seattle?
Monday are the busiest days for passengers flying between Boston to Seattle. Knowing the peak travel day can help you plan your trip to avoid overcrowded flights or airports.
What percentage of travelers spent an average of 2 days in Seattle, Washington?
Approximately 38.87% of travelers spent an average of 2 days exploring Seattle. This information can assist in planning the duration of your stay in Seattle
What percentage of BOS to SEA flyers traveled with kids under 14?
About 6% of passengers on flights from Boston to Seattle were accompanied by children under the age of 14. This information is useful if you're planning a family trip and want to know how common it is to travel with young children on this route.
What percentage of Boston to Seattle travelers were over 60 years old?
A notable 17% of travelers were aged 60 or older. This statistic provides insights for senior travelers or those seeking a mature travel demographic.
What percentage of BOS to SEA travelers were millennials?
Millennials make up a significant portion of travelers on this route, accounting for 39% of all passengers. If you're a millennial looking to connect with like-minded travelers, this statistic might interest you.
What percentage of Boston to Seattle travelers were female?
Almost half of the passengers, approximately 46% were female. Knowing the gender distribution can be useful for solo female travelers or those interested in gender-related travel insights.
What percent of Boston to Seattle travellers booked first or business class?
4% of travelers booked first or business class on this route.
At what time the earliest flight departs from Boston?
The earliest flight departs at 7:00AM - 8:00AM.
On which days one can have the most flight options in Seattle?
Monday offer the most flight options in Seattle.
§
All flight facts are based on last 3 months' data except the highest and lowest booking months that are based on last 3 months' data.
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Cheap Flights from Boston to Seattle
Flights from Boston to Seattle
Looking for flights from Boston to Seattle? Look no more, for you�re at the right place. Book cheap flights from Boston to Seattle on CheapOair and enjoy great discounts. Whether its leisure or a business trip, we offer the most competitive rates on flight tickets to destinations around the world. Grab BOS to SEA flight deals on CheapOair and save big!
Airports in Boston
Boston is served by Logan International Airport. Also called General Edward Lawrence Logan International Airport, this airport is located in the East Boston neighborhood of Boston. The airport offers frequent scheduled service to destinations throughout North America (including the United States, Canada and Mexico), Latin America, the Caribbean, North Atlantic region, the Middle East, Europe, and Asia. Passengers can enjoy seamless connectivity between the airport and the city through Limousines, taxis, car rentals, bus service (Logan Express), app-based rides and even bikes.
Explore Seattle
Seattle, a West Coast seaport city, is the largest city both in the Pacific Northwest region in North America and the state of Washington. This city is among the fastest growing major cities in the United States of America and is also a prominent gateway for trade with Asia. Other than a thriving economy, the city is a forward-looking and enthusiastic place at the forefront of innovation. It is a beautiful city well-off in culture and vivacious lifestyle. Moreover, Seattle boasts a spectacular mountain setting making it a great place to visit for nature buffs as well.
Things to do in Seattle
Space Needle
Space Needle, an observation tower in the city, is the landmark of the Pacific Northwest. An icon of the city, this structure is built in the Seattle Center for the 1962 World's Fair. It is home to an observation deck at an elevation of 520 feet and the rotating SkyCity restaurant located at an altitude of 500 feet. One can reach the top of the formation through the elevators and can relish the mesmerizing vistas of the city.
Museum of Flight
Museum of Flight is a private non-profit air and space museum located in the northwest United States. It is situated at the southern end of King County International Airport. Established in the year 1965, this museum is home to more than 150 historically significant aircraft in its assorted collection including Lockheed Model 10-E Electra, Lockheed SR-71 Blackbird, MacCready Gossamer Albatross II, and more.
Woodland Park Zoo
Woodland Park Zoo, a lush and beautiful zoological garden in the Phinney Ridge neighborhood of Seattle, is an excellent place to visit for the nature lovers. The zoo occupies the western half of Woodland Park and was created the first immersion exhibit of the world- the gorilla habitat. Other exhibits of the zoo are Zoomazium, Tropical Rain Forest, African Savanna, Northern Trail, and more.
Best Time to Fly to Seattle
The best time to visit Seattle is from September to October. During this period, the tourism in the city is on its peak and thus hotel room availability drops. Early fall is also an excellent time of the year to visit the city. In early fall, the number of tourists remains low and thus it is an apt time to visit for serenity seekers.
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