Flights to San Juan Islands from Wilmington - ￥33,030

View ￥33,030 flight on Wed, Oct 1, 2025Opens in a new window

Popular airlines from Wilmington to San Juan Islands

  • 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 Wilmington to San Juan Islands (ILM-SEA)

Prices were available within the past 7 days and start at ￥33,030 for one-way flights and ￥45,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Oct 1 - Fri, Oct 31
ILM
Wilmington
SEA
Seattle
￥45,200 Roundtrip, found 2 days ago
￥45,200
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 1 from Wilmington to Seattle, returning Fri, Oct 31, priced at ￥45,200 found 2 days ago
American Airlines
Wed, Oct 1 - Fri, Oct 31
ILM
Wilmington
SEA
Seattle
￥45,970 Roundtrip, found 2 days ago
￥45,970
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 1 from Wilmington to Seattle, returning Fri, Oct 31, priced at ￥45,970 found 2 days ago
American Airlines
Wed, Oct 1 - Fri, Oct 31
ILM
Wilmington
SEA
Seattle
￥46,740 Roundtrip, found 2 days ago
￥46,740
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 1 from Wilmington to Seattle, returning Fri, Oct 31, priced at ￥46,740 found 2 days ago
Delta
Wed, Oct 1 - Fri, Oct 31
ILM
Wilmington
SEA
Seattle
￥49,610 Roundtrip, found 2 days ago
￥49,610
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Wilmington to Seattle, returning Fri, Oct 31, priced at ￥49,610 found 2 days ago
Delta
Wed, Oct 1 - Fri, Oct 31
ILM
Wilmington
SEA
Seattle
￥54,360 Roundtrip, found 2 days ago
￥54,360
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 1 from Wilmington to Seattle, returning Fri, Oct 31, priced at ￥54,360 found 2 days ago
United
Thu, Aug 7 - Tue, Aug 12
ILM
Wilmington
SEA
Seattle
￥59,880 Roundtrip, found 6 days ago
￥59,880
Roundtrip
found 6 days ago
Select United flight, departing Thu, Aug 7 from Wilmington to Seattle, returning Tue, Aug 12, priced at ￥59,880 found 6 days ago
*Available to Expedia members.