A city street with a historic building labeled 'QUINCY MARKET,' trees with autumn leaves, and modern high-rise buildings.

Flights from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS)
Flights to Boston
Massachusetts
United States of America
Flights
Expedia.com.tw

Popular airlines from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS)

Alaska Airlines
JetBlue Airways
Sun Country Airlines
Delta
American Airlines
United
Southwest Airlines

Be in the know
Get alerts if flight prices drop or rise*
Book smarter
Save up to 45% on select hotels after you book a flight*
Earn twice
Earn your airline miles on top of our rewards
Sign in

Cheap Flights from Seattle to Boston (SEA-BOS)

Prices were available within the past 7 days and start at NT$5,049 for one-way flights and NT$10,097 for roundtrip, for the period specified. Prices and availability are subject to change.

All deals

One way

Roundtrip

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$10,097

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$10,097 Found 6 days ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$11,144

Roundtrip

Found 6 days ago

Select United flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$11,144 Found 6 days ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$11,169

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$11,169 Found 6 days ago

Thu, Aug 13 - Wed, Aug 19

SEA

Seattle

BOS

Boston

NT$11,304

Roundtrip

Found 11 hours ago

Select Delta flight, departing Thu, Aug 13 from Seattle to Boston, returning Wed, Aug 19, priced at NT$11,304 Found 11 hours ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$11,313

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$11,313 Found 6 days ago

Wed, Oct 21 - Sun, Oct 25

SEA

Seattle

BOS

Boston

NT$11,464

Roundtrip

Found 13 hours ago

Select Delta flight, departing Wed, Oct 21 from Seattle to Boston, returning Sun, Oct 25, priced at NT$11,464 Found 13 hours ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$11,482

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$11,482 Found 6 days ago

Tue, Aug 18 - Tue, Sep 8

SEA

Seattle

BOS

Boston

NT$11,545

Roundtrip

Found 5 days ago

Select Alaska Airlines flight, departing Tue, Aug 18 from Seattle to Boston, returning Tue, Sep 8, priced at NT$11,545 Found 5 days ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$11,851

Roundtrip

Found 6 days ago

Select Delta flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$11,851 Found 6 days ago

Wed, Sep 16 - Wed, Sep 23

SEA

Seattle

BOS

Boston

NT$12,004

Roundtrip

Found 6 days ago

Select American Airlines flight, departing Wed, Sep 16 from Seattle to Boston, returning Wed, Sep 23, priced at NT$12,004 Found 6 days ago

Travel information

Origin airport	Seattle-Tacoma International Airport
Destination airport	Logan International Airport
Distance	4,003 km away
Airlines serving	Alaska Airlines, JetBlue Airways, Sun Country Airlines, Delta, American Airlines, United, Southwest Airlines
Popular airline	Alaska Airlines
Roundtrip price	NT$10,097
Average flight time	5 hours 23 mins

Explore a world of travel with Expedia

Lodging
Flights
Packages
Cars

Vacation Homes in Boston
Standard Link for Vacation Homes in Boston
Boutique Hotels in Downtown Boston
Standard Link for Boutique Hotels in Downtown Boston
Hotels near Logan Intl.
Standard Link for Hotels near Logan Intl.
3 Star Hotels in Boston
Standard Link for 3 Star Hotels in Boston
Cheap Hotels in Chelsea
Standard Link for Cheap Hotels in Chelsea
4 Star Hotels in Downtown Boston
Standard Link for 4 Star Hotels in Downtown Boston
Ski Hotels in Boston
Standard Link for Ski Hotels in Boston
Winthrop Hotels
Standard Link for Winthrop Hotels
Golf Hotels in Boston
Standard Link for Golf Hotels in Boston
Hotels with Free Parking in Boston
Standard Link for Hotels with Free Parking in Boston
Hotels near TD Garden
Standard Link for Hotels near TD Garden
Luxury Hotels in East Boston
Standard Link for Luxury Hotels in East Boston
Kempinski Hotels & Resorts in Boston
Standard Link for Kempinski Hotels & Resorts in Boston
Hotels near Paul Revere House
Standard Link for Hotels near Paul Revere House
Hotels with Bars in East Boston
Standard Link for Hotels with Bars in East Boston
Historic Hotels in Boston
Standard Link for Historic Hotels in Boston
Business Hotels in Chelsea
Standard Link for Business Hotels in Chelsea
Adventure Hotels in Boston
Standard Link for Adventure Hotels in Boston
Gay friendly Hotels in Boston
Standard Link for Gay friendly Hotels in Boston
Beach Hotels in Revere
Standard Link for Beach Hotels in Revere
Hotels with smoking rooms in Boston
Standard Link for Hotels with smoking rooms in Boston
Business Hotels in Boston
Standard Link for Business Hotels in Boston
Hotels with Hot Tubs in East Boston
Standard Link for Hotels with Hot Tubs in East Boston
Hotels near Bunker Hill Monument
Standard Link for Hotels near Bunker Hill Monument
Golf Hotels in East Boston
Standard Link for Golf Hotels in East Boston
Resorts & Hotels with Spas in Boston
Standard Link for Resorts & Hotels with Spas in Boston
Beach Hotels in North End
Standard Link for Beach Hotels in North End
Chinatown Hotels
Standard Link for Chinatown Hotels
Golf Hotels in Downtown Boston
Standard Link for Golf Hotels in Downtown Boston
Boutique Hotels in Boston Financial District
Standard Link for Boutique Hotels in Boston Financial District
Shopping Hotels in Seaport District
Standard Link for Shopping Hotels in Seaport District
Government Center Hotels
Standard Link for Government Center Hotels
Romantic Hotels in Chelsea
Standard Link for Romantic Hotels in Chelsea
Hotels with Bars in Seaport District
Standard Link for Hotels with Bars in Seaport District

Flights from Dallas (DAL) to Boston (BOS)
Standard Link for Flights from Dallas (DAL) to Boston (BOS)
Flights from El Bolson (EHL) to Boston (BOS)
Standard Link for Flights from El Bolson (EHL) to Boston (BOS)
Flights from Bari (BRI) to Boston (BOS)
Standard Link for Flights from Bari (BRI) to Boston (BOS)
Flights from Cascavel (CAC) to Boston (BOS)
Standard Link for Flights from Cascavel (CAC) to Boston (BOS)
Flights from Las Vegas (LAS) to Boston (BOS)
Standard Link for Flights from Las Vegas (LAS) to Boston (BOS)
Flights from Ufa (UFA) to Boston (BOS)
Standard Link for Flights from Ufa (UFA) to Boston (BOS)
Flights from Madrid (MAD) to Boston (BOS)
Standard Link for Flights from Madrid (MAD) to Boston (BOS)
Flights from Porto (OPO) to Boston (BOS)
Standard Link for Flights from Porto (OPO) to Boston (BOS)
Flights from San Diego (SAN) to Boston (BOS)
Standard Link for Flights from San Diego (SAN) to Boston (BOS)
Flights from Bozeman (BZN) to Boston (BOS)
Standard Link for Flights from Bozeman (BZN) to Boston (BOS)
Flights from Lima (LIM) to Boston (BOS)
Standard Link for Flights from Lima (LIM) to Boston (BOS)
Flights from Bedford (BED) to Boston (BOS)
Standard Link for Flights from Bedford (BED) to Boston (BOS)
Flights from Austin (AUS) to Boston (BOS)
Standard Link for Flights from Austin (AUS) to Boston (BOS)
Flights from Oulu (OUL) to Boston (BOS)
Standard Link for Flights from Oulu (OUL) to Boston (BOS)
Flights from St. Catharines (YCM) to Boston (BOS)
Standard Link for Flights from St. Catharines (YCM) to Boston (BOS)
Flights from San Jose (SJC) to Boston (BOS)
Standard Link for Flights from San Jose (SJC) to Boston (BOS)
Flights from Conceicao do Araguaia (CDJ) to Boston (BOS)
Standard Link for Flights from Conceicao do Araguaia (CDJ) to Boston (BOS)
Flights from Newport (EFK) to Boston (BOS)
Standard Link for Flights from Newport (EFK) to Boston (BOS)
Flights from Kaitaia (KAT) to Boston (BOS)
Standard Link for Flights from Kaitaia (KAT) to Boston (BOS)
Flights from Aspen (ASE) to Boston (BOS)
Standard Link for Flights from Aspen (ASE) to Boston (BOS)
Flights from North Platte (LBF) to Boston (BOS)
Standard Link for Flights from North Platte (LBF) to Boston (BOS)
Flights from Lake Tahoe (TVL) to Boston (BOS)
Standard Link for Flights from Lake Tahoe (TVL) to Boston (BOS)
Flights from Turin (TRN) to Boston (BOS)
Standard Link for Flights from Turin (TRN) to Boston (BOS)
Flights from Taipei (TPE) to Boston (BOS)
Standard Link for Flights from Taipei (TPE) to Boston (BOS)
Flights from Mackay (MKY) to Boston (BOS)
Standard Link for Flights from Mackay (MKY) to Boston (BOS)
Flights from Paris (PHT) to Boston (BOS)
Standard Link for Flights from Paris (PHT) to Boston (BOS)
Flights from Macomb (MQB) to Boston (BOS)
Standard Link for Flights from Macomb (MQB) to Boston (BOS)
Flights from Grand Turk (GDT) to Boston (BOS)
Standard Link for Flights from Grand Turk (GDT) to Boston (BOS)
Flights from East Hampton (HTO) to Boston (BOS)
Standard Link for Flights from East Hampton (HTO) to Boston (BOS)
Flights from Saginaw (MBS) to Boston (BOS)
Standard Link for Flights from Saginaw (MBS) to Boston (BOS)

Belle Isle Marsh Reservation
Standard Link for Belle Isle Marsh Reservation
Visit Boston
Standard Link for Visit Boston
Visit Orient Heights
Standard Link for Visit Orient Heights
Spectacle Island
Standard Link for Spectacle Island
Boston Vacations
Standard Link for Boston Vacations
Visit Seaport District
Standard Link for Visit Seaport District
Castle Island
Standard Link for Castle Island
Cutler Majestic Theatre
Standard Link for Cutler Majestic Theatre
New England Aquarium
Standard Link for New England Aquarium
Visit North End
Standard Link for Visit North End
Massachusetts General Hospital
Standard Link for Massachusetts General Hospital
Charlestown Navy Yard
Standard Link for Charlestown Navy Yard
Faneuil Hall Visitor Center
Standard Link for Faneuil Hall Visitor Center
Boston National Historical Park
Standard Link for Boston National Historical Park
Visit Chelsea
Standard Link for Visit Chelsea
Boston Tea Party Ship
Standard Link for Boston Tea Party Ship
Blue Man Group
Standard Link for Blue Man Group
Boston Design Center
Standard Link for Boston Design Center
Visit Fort Point
Standard Link for Visit Fort Point
Boston Harbor
Standard Link for Boston Harbor
Institute of Contemporary Art
Standard Link for Institute of Contemporary Art

Dollar Rent A Car Rental Cars in Logan Intl.
Standard Link for Dollar Rent A Car Rental Cars in Logan Intl.
Luxury Car Rentals near Logan Intl.
Standard Link for Luxury Car Rentals near Logan Intl.
Budget Rental Cars in Boston
Standard Link for Budget Rental Cars in Boston
Suv Car Rentals near Logan Intl.
Standard Link for Suv Car Rentals near Logan Intl.
Car rentals near Printing Office of Edes and Gill
Standard Link for Car rentals near Printing Office of Edes and Gill
Enterprise Rental Cars in Downtown Boston
Standard Link for Enterprise Rental Cars in Downtown Boston
Rental cars Logan Intl. airport
Standard Link for Rental cars Logan Intl. airport
Budget Rental Cars in Logan Intl.
Standard Link for Budget Rental Cars in Logan Intl.
National Car Rental Rental Cars in Logan Intl.
Standard Link for National Car Rental Rental Cars in Logan Intl.
Alamo Rent A Car Rental Cars in Boston
Standard Link for Alamo Rent A Car Rental Cars in Boston
Alamo Rent A Car Rental Cars in Logan Intl.
Standard Link for Alamo Rent A Car Rental Cars in Logan Intl.
Priceless Car Rental Rental Cars in Logan Intl.
Standard Link for Priceless Car Rental Rental Cars in Logan Intl.
Car rentals near Boston
Standard Link for Car rentals near Boston
Dollar Rent A Car Rental Cars in Downtown Boston
Standard Link for Dollar Rent A Car Rental Cars in Downtown Boston
Goldcar rental Rental Cars in Logan Intl.
Standard Link for Goldcar rental Rental Cars in Logan Intl.

*Available to One Key members.

NT$5,049 Cheap Flights from Seattle (SEA) to Boston (BOS)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Logan International Airport (BOS)

Be in the know

Book smarter

Earn twice

Cheap Flights from Seattle to Boston (SEA-BOS)

Travel information

Explore a world of travel with Expedia