Cheap flights from Boston to San Juan Island

View AU$166 flight on Wed, 8 Oct. 2025Opens in a new window

Popular airlines from Boston to San Juan Island

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to San Juan Island (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, 8 Oct. - Tue, 14 Oct.
BOS
Boston
SEA
Seattle
AU$331 Return, found 5 days ago
AU$331
Return
found 5 days ago
Select Alaska Airlines flight, departing Wed, 8 Oct. from Boston to Seattle, returning Tue, 14 Oct., priced at AU$331 found 5 days ago
Delta
Wed, 8 Oct. - Tue, 14 Oct.
BOS
Boston
SEA
Seattle
AU$332 Return, found 5 days ago
AU$332
Return
found 5 days ago
Select Delta flight, departing Wed, 8 Oct. from Boston to Seattle, returning Tue, 14 Oct., priced at AU$332 found 5 days ago
Alaska Airlines
Sat, 4 Oct. - Sat, 11 Oct.
BOS
Boston
SEA
Seattle
AU$335 Return, found 1 day ago
AU$335
Return
found 1 day ago
Select Alaska Airlines flight, departing Sat, 4 Oct. from Boston to Seattle, returning Sat, 11 Oct., priced at AU$335 found 1 day ago
Delta
Sat, 4 Oct. - Sat, 11 Oct.
BOS
Boston
SEA
Seattle
AU$336 Return, found 1 day ago
AU$336
Return
found 1 day ago
Select Delta flight, departing Sat, 4 Oct. from Boston to Seattle, returning Sat, 11 Oct., priced at AU$336 found 1 day ago
American Airlines
Wed, 8 Oct. - Tue, 14 Oct.
BOS
Boston
SEA
Seattle
AU$362 Return, found 5 days ago
AU$362
Return
found 5 days ago
Select American Airlines flight, departing Wed, 8 Oct. from Boston to Seattle, returning Tue, 14 Oct., priced at AU$362 found 5 days ago
United
Wed, 8 Oct. - Tue, 14 Oct.
BOS
Boston
SEA
Seattle
AU$431 Return, found 5 days ago
AU$431
Return
found 5 days ago
Select United flight, departing Wed, 8 Oct. from Boston to Seattle, returning Tue, 14 Oct., priced at AU$431 found 5 days ago
*Available to Expedia members.