Affordable Flights from Boston to Seattle

Travelers from Boston (BOS) can access Seattle (SEA) with a variety of affordable flight options. Whether for business or leisure, convenient schedules and competitive fares make it easy to plan your Pacific Northwest trip.

Round-trip fares generally range from $280 to $550. Using My Trips Time, you can compare airlines, departure times, and pricing to secure the best deal for your itinerary.

Best Time to Book Flights from Boston to Seattle

For optimal fares, book 8–10 weeks ahead of travel. Traveling during shoulder seasons, such as spring (March–May) and fall (September–October), helps you avoid peak season surcharges.

Mid-week flights (Tuesday–Thursday) are usually cheaper than weekend departures. Keep an eye on My Trips Time alerts for occasional discounts on BOS → SEA flights.

Boston Logan International Airport (BOS)

Boston Logan International Airport (BOS) is New England’s primary airport, offering modern facilities, lounges, car rentals, and direct access to downtown Boston. Frequent flights make it a convenient origin for travelers heading to Seattle.

Seattle–Tacoma International Airport (SEA)

SEA efficiently handles arrivals from across the U.S., with easy access to Seattle city, car rentals, taxis, and public transit to downtown or surrounding attractions.

Seattle – Emerald City of the Pacific Northwest

Seattle is a vibrant city known for its tech scene, coffee culture, music, and scenic beauty. The city offers attractions for nature lovers, culture seekers, and families alike.

Major Attractions:

Space Needle – iconic observation tower
Pike Place Market – famous public market
Chihuly Garden and Glass – stunning glass artwork
Museum of Pop Culture – music and cultural exhibits
Seattle Aquarium – marine life experience
Kerry Park – panoramic city views
Olympic Sculpture Park – outdoor art installations
Mount Rainier National Park – hiking and nature excursions

Seattle’s mix of city life, cultural experiences, and natural beauty makes it a must-visit destination for travelers from Boston.

Airlines Flying Boston to Seattle

A variety of airlines provide nonstop and connecting flights from BOS to SEA, offering flexibility in travel dates and competitive pricing.

Alaska Airlines
Delta Air Lines
United Airlines
American Airlines
JetBlue Airways

Compare routes, departure times, and prices using My Trips Time to find the flight that best suits your schedule and budget.

Why Book with My Trips Time?

Access to competitive BOS → SEA airfare deals
Secure and easy-to-use booking platform
Compare multiple airlines and schedules
Transparent pricing with no hidden fees
Support for travel planning and Seattle attractions
Flexible options for solo, family, or business travelers

Frequently Asked Questions

Nonstop flights take approximately 6 hours, while connecting flights vary depending on layovers.

Yes, airlines like Alaska Airlines and Delta operate nonstop flights on this route.

Seattle–Tacoma International Airport (SEA).

8–10 weeks before travel and during spring or fall offers the best fares.

Average round-trip fares range from $280 to $550 depending on airline and timing.