$562 Cheap Flights from Boston (BOS) to Kirkwall (KOI)

View $562 flight on Sun, Apr 26, 2026Opens in a new window

Popular airlines from Logan International Airport (BOS) to Kirkwall (KOI)

Cheap Flights from Boston to Kirkwall (BOS-KOI)

Prices were available within the past 7 days and start at $562 for one-way flights and $830 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$830 Roundtrip, found 1 day ago
$830
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $830 found 1 day ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$835 Roundtrip, found 1 day ago
$835
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $835 found 1 day ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$836 Roundtrip, found 1 day ago
$836
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $836 found 1 day ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$837 Roundtrip, found 4 days ago
$837
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $837 found 4 days ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$838 Roundtrip, found 1 day ago
$838
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $838 found 1 day ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$839 Roundtrip, found 9 hours ago
$839
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $839 found 9 hours ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$840 Roundtrip, found 9 hours ago
$840
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $840 found 9 hours ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$842 Roundtrip, found 9 hours ago
$842
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $842 found 9 hours ago
British Airways
Wed, Dec 10 - Wed, Dec 17
BOS
Boston
KOI
Kirkwall
$843 Roundtrip, found 9 hours ago
$843
Roundtrip
found 9 hours ago
Select British Airways flight, departing Wed, Dec 10 from Boston to Kirkwall, returning Wed, Dec 17, priced at $843 found 9 hours ago
Icelandair
Sun, Apr 26 - Wed, May 6
BOS
Boston
KOI
Kirkwall
$889 Roundtrip, found 3 days ago
$889
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sun, Apr 26 from Boston to Kirkwall, returning Wed, May 6, priced at $889 found 3 days ago
Flights from Boston (BOS) to Kirkwall (KOI)
Origin airport
Logan Intl.
Destination airport
Kirkwall
Airlines serving
British Airways
Roundtrip price
$829
Distance
3039 mi

Boston to Kirkwall Flights

The cheapest times to fly from Boston to Kirkwall

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 Kirkwall are during the month of December. You can find some of the cheapest flights from Boston to Kirkwall with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Kirkwall

Sunday is one of the best days to book for cheap flights from Boston to Kirkwall: 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 Kirkwall

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 Kirkwall in 2025. You can also book with separate airlines for your outbound and return journeys, from $562 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 Kirkwall 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 Kirkwall 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 Kirkwall Airport (KOI) cost?
Snag a cheap one-way flight from $562 or cheap return flight from $830 from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI)?
Planning your getaway for December may help you find better deals, as it's the cheapest month for flights between BOS and KOI. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI)?
To find the cheapest airline that'll fly you from BOS to KOI, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI)?
There are no daily nonstop flights departing from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from BOS to KOI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*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 Kirkwall Airport (KOI)?
To arrive at Kirkwall Airport (KOI) without delays, 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 Kirkwall Airport (KOI) last-minute?
Waiting until right before your break to book your flight from BOS to KOI generally means paying more. While it's possible to find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book a BOS to KOI flight and hotel package?
You'll generally save money by securing a BOS to KOI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your ideal flights and accommodations, you can add extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to Kirkwall Airport (KOI)?
If you booked your BOS to KOI flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.