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How much is the cheapest flight to Harstine Island?
Prices were available within the past 7 days and start at NT$2,270 for one-way flights and NT$4,869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Apr 23 - Thu, Apr 24
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
NT$4,869 Roundtrip, found 6 days ago
NT$4,869
Roundtrip
found 6 days ago

Sat, May 3 - Mon, May 5
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
NT$7,190 Roundtrip, found 4 days ago
NT$7,190
Roundtrip
found 4 days ago

Wed, Apr 23 - Thu, Apr 24
SFO
San Francisco Intl.
SEA
Seattle - Tacoma Intl.
NT$7,506 Roundtrip, found 6 days ago
NT$7,506
Roundtrip
found 6 days ago

Thu, May 8 - Mon, Jul 14
TPE
Taoyuan Intl.
SEA
Seattle - Tacoma Intl.
NT$22,744 Roundtrip, found 3 days ago
NT$22,744
Roundtrip
found 3 days ago

Wed, Jun 4 - Wed, Sep 24
TPE
Taoyuan Intl.
SEA
Seattle - Tacoma Intl.
NT$25,112 Roundtrip, found 15 hours ago
NT$25,112
Roundtrip
found 15 hours ago
Frequently asked questions
Destination airport | Seattle - Tacoma Intl. |
Destination airport IATA code | SEA |
Destination city name | Seattle |
Roundtrip price | NT$4,370 |
Get up to 100% off your flight to Harstine Island when booking a Flight + Hotel
Heading to Harstine Island? Explore Harstine Island with Expedia's Travel Guides to find the best hotels, vacation packages, car rental deals and more!
Trending flights to Harstine Island
Prices were available within the past 7 days and start at NT$2,270 for one-way flights and NT$4,869 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Apr 14 - Mon, Apr 21
TPE
Taoyuan Intl.
SEA
Seattle - Tacoma Intl.
NT$19,530 Roundtrip, found 3 days ago
NT$19,530
Roundtrip
found 3 days ago
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