Cheap Flights to Harstine Island from HK$852

View HK$852 flight on Mon, 23 Feb 2026Opens 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 HK$852 for one-way flights and HK$2,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 11 Jul - Fri, 17 Jul
SAN
San Diego
SEA
Seattle
HK$2,091 Return, found 8 hours ago
HK$2,091
Return
found 8 hours ago
Select Delta flight, departing Sat, 11 Jul from San Diego to Seattle, returning Fri, 17 Jul, priced at HK$2,091 found 8 hours ago
American Airlines
Sat, 11 Jul - Thu, 16 Jul
SAN
San Diego
SEA
Seattle
HK$2,629 Return, found 8 hours ago
HK$2,629
Return
found 8 hours ago
Select American Airlines flight, departing Sat, 11 Jul from San Diego to Seattle, returning Thu, 16 Jul, priced at HK$2,629 found 8 hours ago
United
Fri, 10 Jul - Wed, 15 Jul
SAN
San Diego
SEA
Seattle
HK$2,665 Return, found 8 hours ago
HK$2,665
Return
found 8 hours ago
Select United flight, departing Fri, 10 Jul from San Diego to Seattle, returning Wed, 15 Jul, priced at HK$2,665 found 8 hours ago
Philippine Airlines
Thu, 18 Jun - Thu, 3 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,581 Return, found 5 days ago
HK$4,581
Return
found 5 days ago
Select Philippine Airlines flight, departing Thu, 18 Jun from Hong Kong SAR to Seattle, returning Thu, 3 Sept, priced at HK$4,581 found 5 days ago
Air Canada
Sat, 3 Oct - Sat, 10 Oct
HKG
Hong Kong SAR
SEA
Seattle
HK$4,966 Return, found 4 days ago
HK$4,966
Return
found 4 days ago
Select Air Canada flight, departing Sat, 3 Oct from Hong Kong SAR to Seattle, returning Sat, 10 Oct, priced at HK$4,966 found 4 days ago

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. HK$2,091 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 Diego (SAN) sold for just HK$852 in the last seven days. During this time, the cost of a round-trip fare to Harstine Island varied between HK$2,091 and HK$4,966. 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.
When is the cheapest time to fly to Harstine Island?
Consider jetting off early in the week to score the best deal to Harstine Island. Tuesday is generally the most cost-effective day to fly, with Monday running a close second. Saturday typically has the most expensive prices. This is because lots of travelers like to start their getaway on a weekend.
How much is a plane ticket to Harstine Island?
In the last seven days, plane tickets to Harstine Island varied between HK$2,091 and HK$4,966. 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.

Travel information

Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
HK$920

Trending flights to Harstine Island

Prices were available within the past 7 days and start at HK$852 for one-way flights and HK$2,091 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Philippine Airlines
Thu, 18 Jun - Thu, 3 Sept
HKG
Hong Kong SAR
SEA
Seattle
HK$4,581 Return, found 5 days ago
HK$4,581
Return
found 5 days ago
Select Philippine Airlines flight, departing Thu, 18 Jun from Hong Kong SAR to Seattle, returning Thu, 3 Sept, priced at HK$4,581 found 5 days ago

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