Cheap Flights to Harstine Island: Harstine Island Flight Deals

View €319 flight on Wed, 20 May 2026Opens in a new window

Popular airlines

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 15% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Harstine Island

Prices were available within the past 7 days and start at €319 for one-way flights and €492 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Sun, 18 Oct - Sun, 25 Oct
BER
Berlin
SEA
Seattle
€492 Return, found 1 day ago
€492
Return
found 1 day ago
Select Aer Lingus flight, departing Sun, 18 Oct from Berlin to Seattle, returning Sun, 25 Oct, priced at €492 found 1 day ago
Icelandair
Thu, 15 Oct - Sun, 25 Oct
DUB
Dublin
SEA
Seattle
€494 Return, found 3 days ago
€494
Return
found 3 days ago
Select Icelandair flight, departing Thu, 15 Oct from Dublin to Seattle, returning Sun, 25 Oct, priced at €494 found 3 days ago
Finnair
Fri, 29 May - Wed, 3 Jun
DUB
Dublin
SEA
Seattle
€507 Return, found 1 hour ago
€507
Return
found 1 hour ago
Select Finnair flight, departing Fri, 29 May from Dublin to Seattle, returning Wed, 3 Jun, priced at €507 found 1 hour ago
Scandinavian Airlines
Sat, 23 May - Sat, 30 May
DUB
Dublin
SEA
Seattle
€522 Return, found 2 days ago
€522
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Sat, 23 May from Dublin to Seattle, returning Sat, 30 May, priced at €522 found 2 days ago
American Airlines
Sat, 2 May - Mon, 18 May
DUB
Dublin
SEA
Seattle
€529 Return, found 3 days ago
€529
Return
found 3 days ago
Select American Airlines flight, departing Sat, 2 May from Dublin to Seattle, returning Mon, 18 May, priced at €529 found 3 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. €492 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 Dublin (DUB) sold for just €319 in the last seven days. During this time, the cost of a round-trip fare to Harstine Island varied between €492 and €529. 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 €492 and €529. 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
€491

Trending flights to Harstine Island

Prices were available within the past 7 days and start at €319 for one-way flights and €492 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 15 Oct - Sun, 25 Oct
DUB
Dublin
SEA
Seattle
€494 Return, found 3 days ago
€494
Return
found 3 days ago
Select Icelandair flight, departing Thu, 15 Oct from Dublin to Seattle, returning Sun, 25 Oct, priced at €494 found 3 days ago

Explore a world of travel with Expedia

*Available to Expedia members.