Cheap Flights to Harstine Island

View ฿2,265 flight on Thu, 21 Aug 2025Opens in a new window

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Cheap round-trip flights to Harstine Island

Prices were available within the past 7 days and start at ฿2,265 for one-way flights and ฿4,495 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 11 Oct - Wed, 15 Oct
SFO
San Francisco
SEA
Seattle
฿4,495 Return, found 2 days ago
฿4,495
Return
found 2 days ago
Select Delta flight, departing Sat, 11 Oct from San Francisco to Seattle, returning Wed, 15 Oct, priced at ฿4,495 found 2 days ago
United
Sat, 11 Oct - Wed, 15 Oct
SFO
San Francisco
SEA
Seattle
฿6,785 Return, found 2 days ago
฿6,785
Return
found 2 days ago
Select United flight, departing Sat, 11 Oct from San Francisco to Seattle, returning Wed, 15 Oct, priced at ฿6,785 found 2 days ago
American Airlines
Sat, 11 Oct - Wed, 15 Oct
SFO
San Francisco
SEA
Seattle
฿7,490 Return, found 2 days ago
฿7,490
Return
found 2 days ago
Select American Airlines flight, departing Sat, 11 Oct from San Francisco to Seattle, returning Wed, 15 Oct, priced at ฿7,490 found 2 days ago
Korean Air
Mon, 20 Oct - Fri, 24 Oct
BKK
Bangkok
SEA
Seattle
฿21,180 Return, found 3 days ago
฿21,180
Return
found 3 days ago
Select Korean Air flight, departing Mon, 20 Oct from Bangkok to Seattle, returning Fri, 24 Oct, priced at ฿21,180 found 3 days ago
Philippine Airlines
Tue, 18 Nov - Thu, 27 Nov
BKK
Bangkok
SEA
Seattle
฿22,460 Return, found 2 hours ago
฿22,460
Return
found 2 hours ago
Select Philippine Airlines flight, departing Tue, 18 Nov from Bangkok to Seattle, returning Thu, 27 Nov, priced at ฿22,460 found 2 hours ago

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

October is typically the cheapest month to fly

From ฿4,938 - ฿9,626 per traveller.

Graph displaying average flight prices per month

Flights to Harstine Island

Searching for cheap flights to Harstine Island? No travel company presents more choices than Expedia if you're looking to compare flights to Harstine Island. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Harstine Island. Expedia provides the cheapest flights to Harstine Island and you may find even greater savings if you combine your flight to Harstine Island with a hotel stay. Travellers who are flexible about flight times can benefit from last minute cheap flights to Harstine Island.

Expedia is the largest online travel agency which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Harstine Island for that period and let you choose your preferred time and airline.

Frequently asked questions

How do I find cheap flights to Harstine Island that have flexible change policies?
When it comes to travelling these days, flexibility is key. That's why we have a "No change fee" filter to help you track down flexible, cheap tickets to Harstine Island. It's to the left of your screen directly below the "Flexible change policies" subheading.
Which airlines fly to Harstine Island?
You can choose from a variety of airlines that fly into or near Harstine Island. A few of the most well-known are:

  • Alaska Airlines - 8,781 flights to or near Harstine Island each month, including 8,781 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • Delta Air Lines - 4,186 flights to or near Harstine Island each month, including 4,186 flights to Seattle - Tacoma Intl. Airport (SEA) per month.
  • United Airlines - 828 flights to or near Harstine Island each month, including 828 flights to Seattle - Tacoma Intl. Airport (SEA) per month.

How can I find cheap tickets to Harstine Island?
You'll always pick up an epic deal with Expedia, but our "flexible dates" search function makes it even easier. Enter your preferred flight date, then tick the flexible dates box above to see prices for nearby days. ฿4,495 was the lowest price for a flight to Harstine Island in the last seven days.
How much is a flight to Harstine Island?
One-way flights departing from San Francisco (SFO) sold for just ฿2,265 in the last seven days. During this time, the cost of a round-trip fare to Harstine Island varied between ฿4,495 and ฿22,460. If you spot a good deal, book immediately --- these fares don't stick around for long.
What are the most popular airports to fly into in Harstine Island?
The principal gateway to Harstine Island, about 15,456 flights touch down at Seattle - Tacoma Intl. Airport (SEA) each month. Scout around for a rewarding deal, reserve your fare and get ready to experience this sensational region.
How much is a plane ticket to Harstine Island?
In the last seven days, plane tickets to Harstine Island varied between ฿4,495 and ฿22,460. Prices usually rise as your travel date nears, so secure a terrific deal today.
What months are the cheapest to book a flight to Harstine Island?
To score a low-cost flight to Harstine Island, try to book sometime in February when ticket prices are at their lowest. When's the most costly? In the United States, it's the month of December.
Flights to Harstine Island information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
฿4,495

Trending flights to Harstine Island

Prices were available within the past 7 days and start at ฿2,265 for one-way flights and ฿4,495 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply.

Korean Air
Mon, 20 Oct - Fri, 24 Oct
BKK
Bangkok
SEA
Seattle
฿21,180 Return, found 3 days ago
฿21,180
Return
found 3 days ago
Select Korean Air flight, departing Mon, 20 Oct from Bangkok to Seattle, returning Fri, 24 Oct, priced at ฿21,180 found 3 days ago
*Available to Expedia members.