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

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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 6 hours ago

Select Delta flight, departing Thu, Aug 13 from Seattle to Boston, returning Wed, Aug 19, priced at NT$11,304 Found 6 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 8 hours ago

Select Delta flight, departing Wed, Oct 21 from Seattle to Boston, returning Sun, Oct 25, priced at NT$11,464 Found 8 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

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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