Cheap WestJet flights from Boston to Seattle (BOS to SEA)

Find The Best Day To Fly from Boston to Seattle

SEA From BOS Economy Coach Packages on Similar Airlines

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The Inn at Virginia Mason
Denny Park Hotel
Coast Seattle Downtown Hotel by APA
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Discover our best WestJet flight from Boston BOS to Seattle SEA 

To find the best deals on flights to Boston from Seattle with WestJet, just enter your travel dates, filter by WestJet, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Boston BOS to Seattle SEA with WestJet 

If you’re planning a round trip, booking return flights with WestJet is usually the most cost-effective option. With airfares ranging from to , it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way WestJet flights from Boston BOS to Seattle SEA 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way WestJet flight from Boston to Seattle costs from . Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Seattle SEA from  Boston BOS with WestJet 

To find a cheap WestJet flight from Boston BOS to Seattle SEA, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on WestJet flights from Boston BOS to Seattle SEA 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as , or if you book a flight with a stopover. 

 

Find nonstop flights from Boston BOS to Seattle SEA with WestJet 

If you’re keen to be on Seattle soil fast, don’t waste time with a stopover—filter your search results to show direct WestJet flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for WestJet flights from Boston BOS to Seattle SEA 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Seattle SEA from  Boston BOS with WestJet on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
Coast Gateway Hotel
3.5 out of 5
18415 International Blvd, SeaTac, WA
This hotel features a restaurant, a gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public areas, and ...
9.2/10 Wonderful! (7,213 reviews)
"Good Breakfast ."

Reviewed on May 9, 2025

Coast Gateway Hotel
Red Roof Inn Seattle Airport - SEATAC
Red Roof Inn Seattle Airport - SEATAC
2 out of 5
16838 International Boulevard, SeaTac, WA
A gym, self parking, and laundry facilities are featured at this hotel. Guests will appreciate perks like free WiFi and a free airport shuttle. There's a safe ...
7.8/10 Good! (4,190 reviews)
"This property is next to the airport, the staff is amazing. My room was clean. I had no issues whatsoever, if I ever needed to stay close to the airport before my flight in Seattle I would book again. I really appreciate the staff members, great customer service."

Reviewed on May 12, 2025

Red Roof Inn Seattle Airport - SEATAC
Hilton Seattle Airport & Conference Center
Hilton Seattle Airport & Conference Center
4 out of 5
17620 International Blvd, SeaTac, WA
This hotel features a restaurant, an outdoor pool, and a bar/lounge. Enjoy the 24-hour gym and perks like free WiFi and a free airport shuttle. Enjoy the hot ...
8.2/10 Very Good! (1,008 reviews)
"Awesome!!"

Reviewed on May 11, 2025

Hilton Seattle Airport & Conference Center
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.