$1,062+ Cheap flights from Boston (BOS) to Kirkwall (KOI)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — KOI
Mar 7 — Mar 141
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Boston to KirkwallExplore the most affordable flight options available from Boston to Kirkwall. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
Explore the most affordable flight options available from Boston to Kirkwall. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.
This British Airways deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:25 pm
BOS
- KOI
2 stops15h 35m
British Airways
Sun 5/104:00 pm
KOI
- BOS
2 stops51h 55m
British Airways
Deal found 2/4![British Airways logo]()
$1,062
Best flights from Boston to KirkwallDiscover carefully curated flight deals from Boston to Kirkwall that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
Discover carefully curated flight deals from Boston to Kirkwall that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 5, 2026.
This British Airways deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:25 pm
BOS
- KOI
2 stops15h 35m
British Airways
Sun 5/104:00 pm
KOI
- BOS
2 stops51h 55m
British Airways
Deal found 2/4![British Airways logo]()
$1,062
Find flight deals from Boston to Kirkwall
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kirkwall (KOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 5, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,062 (British Airways) |
Cheapflights Fare Finder
Customize your flight search to find flights from Boston to Kirkwall that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 5, 2026.
Use the filters below to find and compare flights from Boston to Kirkwall that are best for you.
Fly from
Boston
Fly to
Kirkwall
Route
Depart
Return
Price
BostonKirkwall
BOS - KOI
BOSKOI
Boston Logan Intl
Wed 5/6
5:25 pm-2:00 pm
2 stops15h 35m
Kirkwall Arpt
Sun 5/10
4:00 pm-2:55 pm
2 stops51h 55m
$1,062
- Most accurate provider: When it comes to deals on Boston-Kirkwall flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boston-Kirkwall flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boston-Kirkwall flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boston-Kirkwall flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Kirkwall flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boston to Kirkwall
Have a flexible travel schedule? Discover the best time to fly to Kirkwall from Boston with our price prediction graph.
BOS-KOI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
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