$99 Cheap flights from Seattle - Tacoma Intl. to Logan Intl. (SEA to BOS)

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Find The Best Dates To Fly from Seattle - Tacoma Intl. to Logan Intl.

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Compare Flight Prices from Seattle to Boston

Affordable Airfare Tickets from SEA to BOS Airport

The cheapest flights to Logan Intl. found within the past 7 days were $197 round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.

Thu, May 29 - Wed, Jun 4
SEA
Seattle
BOS
Boston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, May 29 from Seattle to Boston, returning Wed, Jun 4, priced at $197 just found
Thu, May 29 - Wed, Jun 4
SEA
Seattle
BOS
Boston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, May 29 from Seattle to Boston, returning Wed, Jun 4, priced at $197 just found
Wed, May 28 - Sat, May 31
SEA
Seattle
BOS
Boston
$199 Roundtrip, found 13 hours ago
$199
Roundtrip
found 13 hours ago
Select JetBlue Airways flight, departing Wed, May 28 from Seattle to Boston, returning Sat, May 31, priced at $199 found 13 hours ago
Sat, Jun 7 - Sat, Jun 14
SEA
Seattle
BOS
Boston
$201 Roundtrip, found 1 hour ago
$201
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Sat, Jun 7 from Seattle to Boston, returning Sat, Jun 14, priced at $201 found 1 hour ago
Thu, May 29 - Wed, Jun 4
SEA
Seattle
BOS
Boston
$217 Roundtrip, just found
$217
Roundtrip
just found
Select JetBlue Airways flight, departing Thu, May 29 from Seattle to Boston, returning Wed, Jun 4, priced at $217 just found
Wed, May 28 - Sat, May 31
SEA
Seattle
BOS
Boston
$219 Roundtrip, found 13 hours ago
$219
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Wed, May 28 from Seattle to Boston, returning Sat, May 31, priced at $219 found 13 hours ago
Sat, Jun 7 - Sat, Jun 14
SEA
Seattle
BOS
Boston
$222 Roundtrip, found 1 hour ago
$222
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Jun 7 from Seattle to Boston, returning Sat, Jun 14, priced at $222 found 1 hour ago
Fri, Jun 13 - Mon, Jun 16
SEA
Seattle
BOS
Boston
$222 Roundtrip, just found
$222
Roundtrip
just found
Select Delta flight, departing Fri, Jun 13 from Seattle to Boston, returning Mon, Jun 16, priced at $222 just found
Tue, Jun 10 - Thu, Jun 12
SEA
Seattle
BOS
Boston
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, Jun 10 from Seattle to Boston, returning Thu, Jun 12, priced at $227 found 1 hour ago
Wed, Sep 10 - Wed, Sep 17
SEA
Seattle
BOS
Boston
$227 Roundtrip, found 1 hour ago
$227
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 10 from Seattle to Boston, returning Wed, Sep 17, priced at $227 found 1 hour ago

Logan Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
Sonesta Select Boston Danvers

Sonesta Select Boston Danvers

3 out of 5
per person
Jul 7 - Jul 11
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Boston (BOS)
Essex Street Inn & Suites, Ascend Hotel Collection

Essex Street Inn & Suites, Ascend Hotel Collection

3.5 out of 5
per person
Jun 20 - Jun 27
found 19 hours ago
Roundtrip non-stop flight included
Seattle (SEA) to Boston (BOS)
The Liberty, a Marriott Luxury Collection Hotel, Boston

The Liberty, a Marriott Luxury Collection Hotel, Boston

5 out of 5
Save 100% on your flight
per person
Jul 7 - Jul 11
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Boston (BOS)
citizenM Boston North Station

citizenM Boston North Station

4 out of 5
per person
Jul 7 - Jul 11
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Boston (BOS)
Freepoint Hotel Cambridge, Tapestry Collection by Hilton

Freepoint Hotel Cambridge, Tapestry Collection by Hilton

4 out of 5
per person
Jul 7 - Jul 11
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Boston (BOS)
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Flight information from Seattle to Boston

 

Traveling From
Seattle - Tacoma Intl.
Traveling To
Logan Intl.
Shortest Flight Time
 hours mins
Earliest Departure Time
Latest Departure Time
Lowest Flight Price
$197

Route Info

Flight path for flights from Seattle-Tacoma International Airport to Logan International Airport


Origin:
SEA - Seattle-Tacoma International Airport
Destination:
BOS - Logan International Airport
Distance:
2,502.00 miles


Airlines & Aircraft Used on SEA to BOS Flight Routes


Airline Carrier
Aircraft
Alaska Airlines
Airbus A320-100/200
Alaska Airlines
Boeing 737-800 pax
American Airlines
Boeing 737 all pax models
Delta Air Lines
Airbus A320-100/200
Jet Airways (India)
Beechcraft twin piston engines
Jet Airways (India)
Embraer EMB.120 Brasilia
United Airlines
Boeing 737 all pax models
United Airlines
Embraer EMB.110 Bandeirnate

Discover our best flights from Seattle SEA to Boston BOS. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Seattle SEA to Boston BOS at the right price  

Airfares to Boston BOS from Seattle SEA currently cost between $197 and $227. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Seattle SEA to Boston BOS 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Seattle SEA to Boston BOS on Travelocity starting at $99. Prices and availability subject to change. Additional terms may apply. 

 

Get to Boston BOS from Seattle SEA quicker with direct flights. 

Get to Boston faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to BOS from SEA to take around hour(s) min(s).  

 

Find our cheapest airfares for flights from Seattle SEA to Boston BOS

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to BOS from SEA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Seattle SEA to Boston BOS today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Seattle SEA to Boston BOS. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to Boston BOS from Seattle SEA 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to BOS from SEA have this option.  

 

Travel with confidence when you book flights to Boston BOS from Seattle SEA with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*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.