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  4. Boston - Seattle

Book $101 Cheap Alaska Airlines flights from Boston (BOS) to Seattle (SEA)

Flight deals from Boston to Seattle

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Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.

Alaska Airlines flight deals from Boston to Seattle

Boston Seattle
BEST
DEAL
Sun, 02 Mar BOS - SEA
$107 $101
Prime price per passenger
Manchester Seattle
BEST
DEAL
Tue, 28 Jan MHT - SEA
$258 $248
Prime price per passenger
Boston Harbor SPB Seattle
BEST
DEAL
Wed, 05 Mar BDL - SEA
$358 $345
Prime price per passenger
Providence, RI Seattle
BEST
DEAL
Mon, 23 Dec PVD - SEA
$449 $433
Prime price per passenger
Boston Harbor SPB Seattle
BEST
DEAL
Mon, 23 Dec BDL - SEA
Wed, 25 Dec SEA - BDL
$715 $698
Prime price per passenger
Boston Seattle
BEST
DEAL
Fri, 20 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$744 $729
Prime price per passenger
Boston Seattle
BEST
DEAL
Fri, 20 Dec BOS - SEA
Mon, 23 Dec SEA - BOS
$791 $775
Prime price per passenger
Providence, RI Seattle
BEST
DEAL
Fri, 20 Dec PVD - SEA
Sun, 22 Dec SEA - PVD
$1316 $1298
Prime price per passenger
Providence, RI Seattle
BEST
DEAL
Fri, 20 Dec PVD - SEA
Mon, 23 Dec SEA - PVD
$2014 $2007
Prime price per passenger
Boston Harbor SPB Seattle
BEST
DEAL
Fri, 20 Dec BDL - SEA
Tue, 24 Dec SEA - BDL
$2958 $2943
Prime price per passenger

Best flight offers from other airlines

Boston Seattle
BEST
DEAL
Sun, 22 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$720 $705
Prime price per passenger
Boston Seattle
BEST
DEAL
Sun, 22 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$733 $718
Prime price per passenger
Boston Seattle
BEST
DEAL
Tue, 24 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$734 $719
Prime price per passenger
Boston Seattle
BEST
DEAL
Fri, 20 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$735 $720
Prime price per passenger
Boston Seattle
BEST
DEAL
Fri, 20 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$756 $741
Prime price per passenger
Boston Seattle
BEST
DEAL
Fri, 20 Dec BOS - SEA
Wed, 25 Dec SEA - BOS
$761 $745
Prime price per passenger

Get your flight with Alaska Airlines to Seattle from Boston starting at $101

The Best Boston to Seattle Flight Deals with Alaska Airlines

With eDreams, finding the best Alaska Airlines deals for your trip from Boston to Seattle couldn’t be easier. Imagine this: exclusive discounts, intuitive booking tools, and plenty of helpful perks—all at your fingertips! Say goodbye to the hassle of planning and hello to the excitement of your upcoming adventure in Seattle.

Whether you’re looking for unbeatable prices, a custom-fit itinerary, or some extra perks, eDreams is your all-in-one travel partner for every part of the Boston (BOS) to Seattle (SEA) journey. Stick around to find out why booking with eDreams is the best way to kick off your trip.

Flying from Boston to Seattle with Alaska Airlines

Flying from Boston (BOS) to Seattle (SEA) with Alaska Airlines (AS) is all about comfort and convenience. From check-in to touchdown, Alaska Airlines ensures a smooth experience, so you can just sit back and relax. You’ll find fast check-ins, extra legroom, and attentive service designed for a stress-free trip.

Once onboard, the friendly crew will make sure you have everything you need. Many routes offer in-flight Wi-Fi, so you can stay connected, binge-watch shows, or catch up on work if you need to. Feeling hungry? Alaska Airlines has a great selection of snacks and meals to keep you satisfied mid-flight. And if you want a bit more luxury, you can treat yourself to upgrades and priority boarding, adding a personal touch to your journey. With great service and a focus on a smooth, enjoyable flight, Alaska Airlines makes your trip from Boston to Seattle easy and fun.

Book Your Flight with eDreams and Enjoy the Perks

Booking affordable flights from Boston (BOS) to Seattle (SEA) with eDreams isn’t just about getting a great deal—it’s about making travel planning effortless. With eDreams, you get awesome perks that make your journey easier and more enjoyable:

Your Journey from Boston to Seattle with Alaska Airlines

The journey from Boston (BOS) to Seattle (SEA) is all about getting you to your destination comfortably and quickly, so your adventure can start as soon as you land. This direct route offers plenty of options, whether you prefer a quick non-stop flight or more flexibility with layovers. Whatever your style, there’s a schedule that fits.

Departing from Boston and Arriving at Seattle: What to Expect

When departing from Boston, enjoy easy airport access, clear signage, and quick check-ins for a stress-free start. You’ll breeze through security, leaving plenty of time to relax before takeoff.

When you land in Seattle, you’ll be greeted by a modern terminal with plenty of transportation options like taxis, buses, and shuttles to get you on your way. Whether heading to your hotel or diving into sightseeing, everything you need is right there.

Best Time to Book Your Boston — Seattle Trip with Alaska Airlines

For the best Alaska Airlines flight deals from Boston to Seattle, timing is everything! Booking in advance often means lower fares, especially during off-peak seasons when Seattle is quieter and flights are more budget-friendly. Check the climate to plan for the ideal weather to suit your trip—whether for mild outdoor adventures or cultural explorations. With a bit of planning, you’re set for an unforgettable getaway!

Alaska Airlines Boston-Seattle flights FAQ's

Which airports does Alaska Airlines fly between Boston and Seattle?
For flights between Boston and Seattle, Alaska Airlines operates the following airport routes: For flights between Boston and Seattle, Alaska Airlines operates from the following airport routes: Logan International Airport (BOS) to Seattle All Airports (SEA)
What do Alaska Airlines flights from Boston to Seattle cost?
One of Alaska Airlines cheapest prices for a Boston to Seattle flight we have right now is $101. On average though, flights with Alaska Airlines cost $970.97 for the route Boston to Seattle, but it mostly depends on the season and how far in advance you book your tickets.
Cheapest Ticket Price $101 The most affordable rate found in the last 72 hours for flights operated by Alaska Airlines leaving from Boston and going to Seattle, according to our customers' bookings.
Flight Time 7 h and 21 m The Alaska Airlines flight duration between Boston and Seattle is around 7 h and 21 m, however it could be affected by other circumstances.
Departure Airport Logan International Airport Your departure will be from Logan International Airport, when flying with Alaska Airlines from Boston to Seattle.
Arrival Airport Seattle All Airports When flying with Alaska Airlines from Boston to Seattle, your arrival airport will be Logan International Airport.

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