£330 Cheap Flights to Harbor Island

View £330 flight on Mon, 3 Nov 2025Opens in a new window

Popular airlines

  • Alaska Airlines

    Alaska Airlines

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • Air Canada

    Air Canada

  • 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 Harbor Island

Prices were available within the past 7 days and start at £330 for one-way flights and £398 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.

Icelandair
Sun, 23 Nov - Tue, 2 Dec
LGW
London
SEA
Seattle
£398 Return, just found
£398
Return
just found
Select Icelandair flight, departing Sun, 23 Nov from London to Seattle, returning Tue, 2 Dec, priced at £398 just found
Aer Lingus
Wed, 5 Nov - Wed, 12 Nov
LHR
London
SEA
Seattle
£426 Return, found 14 hours ago
£426
Return
found 14 hours ago
Select Aer Lingus flight, departing Wed, 5 Nov from London to Seattle, returning Wed, 12 Nov, priced at £426 found 14 hours ago
American Airlines
Tue, 30 Sept - Tue, 7 Oct
LGW
London
SEA
Seattle
£430 Return, found 2 days ago
£430
Return
found 2 days ago
Select American Airlines flight, departing Tue, 30 Sept from London to Seattle, returning Tue, 7 Oct, priced at £430 found 2 days ago
Swiss International Air Lines
Mon, 23 Feb - Sat, 28 Feb
LGW
London
SEA
Seattle
£434 Return, found 19 hours ago
£434
Return
found 19 hours ago
Select Swiss International Air Lines flight, departing Mon, 23 Feb from London to Seattle, returning Sat, 28 Feb, priced at £434 found 19 hours ago
Lufthansa
Tue, 24 Feb - Sat, 28 Feb
LHR
London
SEA
Seattle
£435 Return, found 1 day ago
£435
Return
found 1 day ago
Select Lufthansa flight, departing Tue, 24 Feb from London to Seattle, returning Sat, 28 Feb, priced at £435 found 1 day ago

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

August is typically the cheapest month to fly

From £101 - £186 per traveller.

Expedia flights to Harbor Island

Searching for cheap flights to Harbor Island? No travel company presents more choices than Expedia if you're looking to compare flights to Harbor 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 Seattle. Expedia provides the cheapest flights to many destinations in Seattle and you may find even greater savings if you combine your flight with a hotel stay in Harbor 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 Harbor 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 Harbor 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 Harbour Island that have flexible change policies?
It's as easy as can be with Expedia. Step 1: Type in your travel dates and destination and click the "Search" button. Next step? Check the "No change fee" box directly below the "Flexible change policies" filter to the left of the screen. Step 3. Grab your flexible and cheap ticket to Harbour Island.
Which airlines fly to Harbour Island?
Whether you want to sit in first class or save your pennies in economy, these airlines will get you to or near Harbour Island:

  • Kenmore Air - 243 flights to or near Harbour Island each month, including 243 flights to Boeing Field Airport (BFI) per month.
  • Sun Country Airlines - 4 flights to or near Harbour Island each month, including 4 flights to Boeing Field Airport (BFI) per month.

How can I find cheap tickets to Harbour Island?
For the best deal to Harbour Island, book ahead of time. Also consider using Expedia's "flexible dates" link above your search results. This will show you the cheapest prices for similar time frames. In the last seven days, £398 was the best price for a flight to Harbour Island.
How much is a flight to Harbour Island?
One-way flights leaving London (LHR) sold for as little as £330 in the last seven days. During this period, the price of a return ticket to Harbour Island varied between £398 and £435. If you spot a bargain, grab it quickly — these fares don't stick around.
What are the most popular airports to fly into in Harbour Island?
A major entryway to Harbour Island, around 247 flights touch down at Boeing Field Airport (BFI) every month. Scout around for an amazing deal, lock in your fare and prepare to experience this fantastic region.
When is the cheapest time to fly to Harbour Island?
Taking off on a Tuesday, followed by a Monday, is usually the best way to nab the cheapest fare. Avoid weekends if possible, because Saturday is typically the most expensive day of the week. Spend the funds you saved having fun in Harbour Island instead!
How much is a plane ticket to Harbour Island?
Fares to Harbour Island varied from £398 to £435 in the last seven days. Usually, the sooner you make a reservation, the better the deal.
What months are the cheapest to book a flight to Harbour Island?
February is the perfect month to get your hands on a terrific deal to Harbour Island. Bear in mind that the costliest time to purchase tickets in the States isn't during the height of summer, but in December.
Flights to Harbor Island information
Destination airport
Seattle - Tacoma Intl.
Destination airport IATA code
SEA
Destination city name
Seattle
Return price
£398

Trending flights to Harbor Island

Prices were available within the past 7 days and start at £330 for one-way flights and £398 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.

Icelandair
Sun, 23 Nov - Tue, 2 Dec
LGW
London
SEA
Seattle
£398 Return, just found
£398
Return
just found
Select Icelandair flight, departing Sun, 23 Nov from London to Seattle, returning Tue, 2 Dec, priced at £398 just found
*Available to Expedia members.