£383 Cheap Flights to Harstine Island

View £383 flight on Tue, 2 Dec 2025Opens in a new window

Popular airlines

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    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 £383 for one-way flights and £408 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.

Aer Lingus
Wed, 27 Aug - Mon, 15 Sep
LHR
London
SEA
Seattle
£408 Return, found 17 hours ago
£408
Return
found 17 hours ago
Select Aer Lingus flight, departing Wed, 27 Aug from London to Seattle, returning Mon, 15 Sep, priced at £408 found 17 hours ago
Icelandair
Sat, 4 Oct - Thu, 9 Oct
LGW
London
SEA
Seattle
£428 Return, found 3 days ago
£428
Return
found 3 days ago
Select Icelandair flight, departing Sat, 4 Oct from London to Seattle, returning Thu, 9 Oct, priced at £428 found 3 days ago
Air France
Fri, 24 Oct - Mon, 3 Nov
LHR
London
SEA
Seattle
£436 Return, just found
£436
Return
just found
Select Air France flight, departing Fri, 24 Oct from London to Seattle, returning Mon, 3 Nov, priced at £436 just found
Scandinavian Airlines
Fri, 3 Oct - Sun, 12 Oct
MAN
Manchester
SEA
Seattle
£460 Return, found 5 days ago
£460
Return
found 5 days ago
Select Scandinavian Airlines flight, departing Fri, 3 Oct from Manchester to Seattle, returning Sun, 12 Oct, priced at £460 found 5 days ago
Lufthansa
Sun, 16 Nov - Sat, 22 Nov
LHR
London
SEA
Seattle
£471 Return, found 3 days ago
£471
Return
found 3 days ago
Select Lufthansa flight, departing Sun, 16 Nov from London to Seattle, returning Sat, 22 Nov, priced at £471 found 3 days ago

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

October is typically the cheapest month to fly

From £92 - £177 per traveller.

Graph displaying average flight prices per month

Expedia 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 Shelton. Expedia provides the cheapest flights to many destinations in Shelton and you may find even greater savings if you combine your flight with a hotel stay in Harstine Island.

Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets 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. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Harstine Island flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price.

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. £408 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 London (LHR) sold for just £383 in the last seven days. During this time, the cost of a round-trip fare to Harstine Island varied between £408 and £531. 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 travellers 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 £408 and £531. 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
£72

Trending flights to Harstine Island

Prices were available within the past 7 days and start at £383 for one-way flights and £408 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.

Aer Lingus
Wed, 27 Aug - Mon, 15 Sep
LHR
London
SEA
Seattle
£408 Return, found 17 hours ago
£408
Return
found 17 hours ago
Select Aer Lingus flight, departing Wed, 27 Aug from London to Seattle, returning Mon, 15 Sep, priced at £408 found 17 hours ago
*Available to Expedia members.