Flights to Blake Island from Boston - $109

View $109 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Boston to Blake Island

  • Alaska Airlines

    Alaska Airlines

  • JetBlue Airways

    JetBlue Airways

  • United

    United

  • American Airlines

    American Airlines

  • Delta

    Delta

  • Southwest Airlines

    Southwest Airlines

  • Sun Country Airlines

    Sun Country Airlines

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Cheap Flights from Boston to Blake Island (BOS-SEA)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
SEA
Seattle
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Oct 1 from Boston to Seattle, returning Tue, Oct 7, priced at $217 just found
Delta
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
SEA
Seattle
$219 Roundtrip, just found
$219
Roundtrip
just found
Select Delta flight, departing Wed, Oct 1 from Boston to Seattle, returning Tue, Oct 7, priced at $219 just found
United
Tue, Sep 30 - Wed, Oct 8
BOS
Boston
SEA
Seattle
$223 Roundtrip, found 19 hours ago
$223
Roundtrip
found 19 hours ago
Select United flight, departing Tue, Sep 30 from Boston to Seattle, returning Wed, Oct 8, priced at $223 found 19 hours ago
United
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
SEA
Seattle
$224 Roundtrip, just found
$224
Roundtrip
just found
Select United flight, departing Wed, Oct 1 from Boston to Seattle, returning Tue, Oct 7, priced at $224 just found
Southwest Airlines
Wed, Oct 1 - Tue, Oct 7
BOS
Boston
SEA
Seattle
$227 Roundtrip, just found
$227
Roundtrip
just found
Select Southwest Airlines flight, departing Wed, Oct 1 from Boston to Seattle, returning Tue, Oct 7, priced at $227 just found
Hawaiian Airlines
Thu, Oct 23 - Wed, Oct 29
BOS
Boston
SEA
Seattle
$227 Roundtrip, found 5 days ago
$227
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Thu, Oct 23 from Boston to Seattle, returning Wed, Oct 29, priced at $227 found 5 days ago

Find the cheapest month to fly from Boston (BOS) to Seattle (SEA)

March is typically the cheapest month to fly

From $156 - $307 per traveler.

Graph displaying average flight prices per month

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Flights from $290
SEA
Seattle - Tacoma Intl.
Cheapest
Flights from $290
Select flight to Snohomish County - Paine Field PAE. Flights from $634
PAE
Snohomish County - Paine Field
Flights from $634
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