Flights to San Juan Island from Newark - ￥15,810

View ￥15,810 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Newark to San Juan Island

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • 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 40% 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 Newark to San Juan Island (NYC-SEA)

Prices were available within the past 7 days and start at ￥15,810 for one-way flights and ￥34,410 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 31 - Sat, Nov 8
EWR
New York
SEA
Seattle
￥34,410 Roundtrip, found 2 days ago
￥34,410
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 31 from New York to Seattle, returning Sat, Nov 8, priced at ￥34,410 found 2 days ago
Delta
Tue, Sep 2 - Sat, Sep 6
JFK
New York
SEA
Seattle
￥34,860 Roundtrip, found 4 days ago
￥34,860
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 2 from New York to Seattle, returning Sat, Sep 6, priced at ￥34,860 found 4 days ago
Delta
Fri, Oct 31 - Sat, Nov 8
JFK
New York
SEA
Seattle
￥35,980 Roundtrip, found 2 days ago
￥35,980
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from New York to Seattle, returning Sat, Nov 8, priced at ￥35,980 found 2 days ago
Hawaiian Airlines
Wed, Jul 23 - Tue, Jul 29
EWR
New York
SEA
Seattle
￥38,530 Roundtrip, found 1 day ago
￥38,530
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, Jul 23 from New York to Seattle, returning Tue, Jul 29, priced at ￥38,530 found 1 day ago
United
Fri, Oct 31 - Sat, Nov 8
EWR
New York
SEA
Seattle
￥46,190 Roundtrip, found 2 days ago
￥46,190
Roundtrip
found 2 days ago
Select United flight, departing Fri, Oct 31 from New York to Seattle, returning Sat, Nov 8, priced at ￥46,190 found 2 days ago
Alaska Airlines
Tue, Jul 22 - Mon, Aug 4
EWR
New York
SEA
Seattle
￥64,010 Roundtrip, found 1 day ago
￥64,010
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Jul 22 from New York to Seattle, returning Mon, Aug 4, priced at ￥64,010 found 1 day ago
*Available to Expedia members.