Cheap Flights to Harstine Island , WA from CA $93

View CA $93 flight on Sat, Sep. 13, 2025Opens in a new window

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How much is the cheapest flight to Harstine Island?

Prices were available within the past 7 days and start at CA $93 for one-way flights and CA $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Oct. 14 - Wed, Oct. 22
SFO
San Francisco
SEA
Seattle
CA $186 Roundtrip, found 1 day ago
CA $186
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Tue, Oct. 14 from San Francisco to Seattle, returning Wed, Oct. 22, priced at CA $186 found 1 day ago
American Airlines
Wed, Sep. 24 - Wed, Oct. 8
LAX
Los Angeles
SEA
Seattle
CA $189 Roundtrip, found 3 days ago
CA $189
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Sep. 24 from Los Angeles to Seattle, returning Wed, Oct. 8, priced at CA $189 found 3 days ago
Hawaiian Airlines
Mon, Oct. 13 - Tue, Oct. 21
SFO
San Francisco
PAE
Seattle
CA $200 Roundtrip, found 1 day ago
CA $200
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Oct. 13 from San Francisco to Seattle, returning Tue, Oct. 21, priced at CA $200 found 1 day ago
Delta
Wed, Oct. 29 - Sat, Nov. 1
SFO
San Francisco
SEA
Seattle
CA $201 Roundtrip, found 4 days ago
CA $201
Roundtrip
found 4 days ago
Select Delta flight, departing Wed, Oct. 29 from San Francisco to Seattle, returning Sat, Nov. 1, priced at CA $201 found 4 days ago
United
Tue, Sep. 2 - Tue, Sep. 9
SFO
San Francisco
SEA
Seattle
CA $282 Roundtrip, found 3 hours ago
CA $282
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep. 2 from San Francisco to Seattle, returning Tue, Sep. 9, priced at CA $282 found 3 hours ago

Find the cheapest month to fly from Columbus (CMH) to Seattle (SEA)

September is typically the cheapest month to fly

From CA $168 - CA $338 per traveller.

Graph displaying average flight prices per month

Expedia.ca gives you the best tools to secure great deals on flights to Harstine Island. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Harstine Island. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Harstine Island.

Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Harstine Island flights with full confidence knowing that you've found the best deal online.

Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Harstine Island.

Looking to save even more? Get additional savings by bundling your Harstine Island flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Harstine Island trip!

Frequently asked questions

How do I find cheap flights to Harstine Island that have flexible change policies?
By using our clever "No change fee" filter, that's how. Just enter your preferred dates and destination, click "Search," then check the box directly below the "Flexible change policies" heading (it's on the left). Expedia makes it easy to find affordable, flexible tickets to Harstine Island.
Which airlines fly to Harstine Island?
Reserve your seat with one of these airlines and the dynamic region of Harstine Island will be all yours to discover:

  • Alaska Airlines - 7,593 flights to or near Harstine Island each month, including 7,593 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta - 3,694 flights to or near Harstine Island each month, including 3,694 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 594 flights to or near Harstine Island each month, including 594 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to Harstine Island?
In the last seven days, CA $186 was the best price for a flight to Harstine Island. For even bigger savings, book well in advance and be flexible with your dates. Search for your flight to Harstine Island, then see prices for similar time frames by clicking on the "flexible dates" link above.
How much is a flight to Harstine Island?
In the last seven days, return airfares to Harstine Island sold from just CA $186 and reached a maximum price of CA $282. For one-way journeys departing from San Francisco (SFO), the lowest price during this same period was CA $93.
What are the most popular airports to fly into in Harstine Island?
Seattle - Tacoma Intl. Airport (SEA) is the main jumping-off point for those travelling to and from Harstine Island. Approximately 13,152 flights a month touch down here.
When is the cheapest time to fly to Harstine Island?
Leave for Harstine Island early on in the week and you'll usually be rewarded with lower fares. Tuesday is generally the cheapest day to hop on a plane, followed by Monday. If you're hoping to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Harstine Island?
In the last seven days, airfares cost between CA $186 and CA $282. Browse through our unbeatable deals to Harstine Island, make a booking and then get ready for your getaway!
What months are the cheapest to book a flight to Harstine Island?
An excellent month to purchase cheap fares to Harstine Island is February. It's worth remembering that in the U.S, an expensive time to secure a seat is during the festive month of December.
Flights to Harstine Island information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Roundtrip price
CA $217

Trending flights to Harstine Island

Prices were available within the past 7 days and start at CA $93 for one-way flights and CA $186 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Sep. 17 - Thu, Sep. 18
YEG
Edmonton
SEA
Seattle
CA $217 Roundtrip, found 1 day ago
CA $217
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Sep. 17 from Edmonton to Seattle, returning Thu, Sep. 18, priced at CA $217 found 1 day ago
*Available to Expedia members.