$561 Cheap Flights from Boston (BOS) to Islay (ILY)

View $561 flight on Tue, Aug 12, 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Islay (ILY)

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Cheap Flights from Boston to Islay (BOS-ILY)

Prices were available within the past 7 days and start at $561 for one-way flights and $822 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Wed, Nov 5 - Sat, Nov 22
BOS
Boston
ILY
Islay Island
$822 Roundtrip, found 1 day ago
$822
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Wed, Nov 5 from Boston to Islay Island, returning Sat, Nov 22, priced at $822 found 1 day ago
Aer Lingus
Mon, Oct 13 - Fri, Oct 31
BOS
Boston
ILY
Islay Island
$824 Roundtrip, found 1 day ago
$824
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 13 from Boston to Islay Island, returning Fri, Oct 31, priced at $824 found 1 day ago
Aer Lingus
Mon, Oct 13 - Wed, Oct 29
BOS
Boston
ILY
Islay Island
$824 Roundtrip, found 1 day ago
$824
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 13 from Boston to Islay Island, returning Wed, Oct 29, priced at $824 found 1 day ago
Aer Lingus
Mon, Oct 6 - Wed, Oct 22
BOS
Boston
ILY
Islay Island
$826 Roundtrip, found 1 day ago
$826
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 6 from Boston to Islay Island, returning Wed, Oct 22, priced at $826 found 1 day ago
Aer Lingus
Sat, Nov 15 - Tue, Dec 2
BOS
Boston
ILY
Islay Island
$830 Roundtrip, found 1 day ago
$830
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Sat, Nov 15 from Boston to Islay Island, returning Tue, Dec 2, priced at $830 found 1 day ago
Aer Lingus
Mon, Oct 13 - Sun, Oct 26
BOS
Boston
ILY
Islay Island
$831 Roundtrip, found 1 day ago
$831
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 13 from Boston to Islay Island, returning Sun, Oct 26, priced at $831 found 1 day ago
Aer Lingus
Mon, Oct 6 - Sun, Oct 26
BOS
Boston
ILY
Islay Island
$832 Roundtrip, found 1 day ago
$832
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Mon, Oct 6 from Boston to Islay Island, returning Sun, Oct 26, priced at $832 found 1 day ago
Aer Lingus
Tue, Oct 21 - Tue, Nov 4
BOS
Boston
ILY
Islay Island
$833 Roundtrip, found 1 day ago
$833
Roundtrip
found 1 day ago
Select Aer Lingus flight, departing Tue, Oct 21 from Boston to Islay Island, returning Tue, Nov 4, priced at $833 found 1 day ago
Icelandair
Mon, Oct 20 - Tue, Nov 4
BOS
Boston
ILY
Islay Island
$841 Roundtrip, found 1 day ago
$841
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 20 from Boston to Islay Island, returning Tue, Nov 4, priced at $841 found 1 day ago
British Airways
Thu, Sep 25 - Tue, Sep 30
BOS
Boston
ILY
Islay Island
$847 Roundtrip, found 1 day ago
$847
Roundtrip
found 1 day ago
Select British Airways flight, departing Thu, Sep 25 from Boston to Islay Island, returning Tue, Sep 30, priced at $847 found 1 day ago
Flights from Boston (BOS) to Islay (ILY)
Origin airport
Logan Intl.
Destination airport
Islay
Roundtrip price
$822
Distance
2954 mi

Boston to Islay Flights

The cheapest times to fly from Boston to Islay

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Islay are during the month of November. You can find some of the cheapest flights from Boston to Islay with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Islay

Sunday is one of the best days to book for cheap flights from Boston to Islay: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Boston to Islay

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Islay in 2025. You can also book with separate airlines for your outbound and return journeys, from $561 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Islay flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Islay airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to Islay Airport (ILY) cost?
Discover the latest flight deals from BOS to ILY by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOS to ILY?
The cheapest flights from BOS to ILY are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from BOS to ILY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BOS to ILY. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Logan Intl. Airport (BOS) to Islay Airport (ILY)?
Nonstop flights from Logan Intl. Airport (BOS) to Islay Airport (ILY) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to ILY?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to Islay Airport (ILY)?
To reach Islay Airport (ILY) on schedule, book a flight that leaves from Logan Intl. Airport (BOS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to Islay Airport (ILY) last-minute?
Last-minute bookings from BOS to ILY are typically more expensive. To lock in the cheapest rates, start searching for flights well ahead of time. That being said, if you're flexible with your travel plans, it's possible to land a cheap ticket just before your departure.
Is it cheaper to book a BOS to ILY flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to ILY flight and hotel package with Expedia could result in significant savings. What's more, having everything in one easy place takes the hassle out of travel planning. Simply secure your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Islay Airport (ILY)?
It's generally possible to reschedule or cancel your BOS to ILY flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.