Cheap flights from Helsinki to San Juan Island

View AU$1,231 flight on Sun, 12 Oct. 2025Opens in a new window

Popular airlines from Helsinki 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 Helsinki (HEL) 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.

Icelandair
Sat, 16 Aug. - Sat, 23 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,304 Return, found 2 days ago
AU$1,304
Return
found 2 days ago
Select Icelandair flight, departing Sat, 16 Aug. from Helsinki to Seattle, returning Sat, 23 Aug., priced at AU$1,304 found 2 days ago
Delta
Thu, 7 Aug. - Wed, 20 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,473 Return, found 1 day ago
AU$1,473
Return
found 1 day ago
Select Delta flight, departing Thu, 7 Aug. from Helsinki to Seattle, returning Wed, 20 Aug., priced at AU$1,473 found 1 day ago
Turkish Airlines
Fri, 15 Aug. - Fri, 22 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,528 Return, found 5 days ago
AU$1,528
Return
found 5 days ago
Select Turkish Airlines flight, departing Fri, 15 Aug. from Helsinki to Seattle, returning Fri, 22 Aug., priced at AU$1,528 found 5 days ago
KLM
Thu, 7 Aug. - Wed, 20 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,566 Return, found 1 day ago
AU$1,566
Return
found 1 day ago
Select KLM flight, departing Thu, 7 Aug. from Helsinki to Seattle, returning Wed, 20 Aug., priced at AU$1,566 found 1 day ago
American Airlines
Thu, 7 Aug. - Wed, 20 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,572 Return, found 1 day ago
AU$1,572
Return
found 1 day ago
Select American Airlines flight, departing Thu, 7 Aug. from Helsinki to Seattle, returning Wed, 20 Aug., priced at AU$1,572 found 1 day ago
American Airlines
Thu, 7 Aug. - Wed, 20 Aug.
HEL
Helsinki
SEA
Seattle
AU$1,572 Return, found 1 day ago
AU$1,572
Return
found 1 day ago
Select American Airlines flight, departing Thu, 7 Aug. from Helsinki to Seattle, returning Wed, 20 Aug., priced at AU$1,572 found 1 day ago
*Available to Expedia members.