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Kirkwall

$628+ 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
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap 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 January 12, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$628
(British Airways)
Provider with most accurate pricing for Boston Logan Intl-Kirkwall Arpt flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Kirkwall Arpt flights.
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From Boston Logan Intl to Kirkwall Arpt
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Find flight deals from Boston to Kirkwall

Cheapest flights from Boston to Kirkwall
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 January 12, 2026.

This British Airways deal was found by Cheapflights users on 1/11. 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 5/69:50 pmBOS - KOI
2 stops15h 40mBritish Airways
Sun 5/101:10 pmKOI - BOS
2 stops54h 45mBritish Airways
Deal found 1/11$628

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 January 12, 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

7:35 pm-6:30 pm

2 stops17h 55m

Kirkwall Arpt

Sun 5/10

1:10 pm-2:55 pm

2 stops54h 45m

$628

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

  • 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 90-95% 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.
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

Find useful and relevant information for your journey from Boston to Kirkwall. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Kirkwall?

    Departing from Boston to Kirkwall will take you 17h 55m. Airlines will cover a distance of 3037 mi.

  • Can I find deals for flights from Boston to Kirkwall that include hotel bookings?

    Yes. In addition to deals on Boston to Kirkwall flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Kirkwall?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Kirkwall.

  • Can I find deals for business class flights from Boston to Kirkwall?

    Yes. Cheapflights offers flight deals from Boston to Kirkwall by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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