$1,082+ Cheap flights from San Francisco (SFO) 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — KOI
Feb 28 — Mar 71
1 adult, Economy
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Find cheap flights from San Francisco to Kirkwall with Cheapflights
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Kirkwall
Cheapest flights from San Francisco to KirkwallExplore the most affordable flight options available from San Francisco to Kirkwall. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
Explore the most affordable flight options available from San Francisco to Kirkwall. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/136:20 pm
SFO
- KOI
2 stops35h 15m
Multiple Airlines
Fri 3/208:40 am
KOI
- SFO
2 stops38h 55m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$1,082
This British Airways deal was found by Cheapflights users on 1/26. 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 2/255:20 pm
SFO
- KOI
2 stops30h 40m
British Airways
Sun 3/11:10 pm
KOI
- SFO
2 stops57h 50m
British Airways
Deal found 1/26![British Airways logo]()
$1,410
Find flight deals from San Francisco to Kirkwall
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 29, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,082 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 29, 2026.
Use the filters below to find and compare flights from San Francisco to Kirkwall that are best for you.
Fly from
San Francisco
Fly to
Kirkwall
Route
Depart
Return
Price
San FranciscoKirkwall
SFO - KOI
SFOKOI
San Francisco
Fri 3/13
6:20 pm-12:35 pm
2 stops35h 15m
Kirkwall Arpt
Fri 3/20
8:40 am-4:35 pm
2 stops38h 55m
$1,082
San FranciscoKirkwall
SFO - KOI
SFOKOI
San Francisco
Wed 2/25
5:20 pm-8:00 am
2 stops30h 40m
Kirkwall Arpt
Sun 3/1
1:10 pm-3:00 pm
2 stops57h 50m
$1,410
- Most accurate provider: When it comes to deals on San Francisco-Kirkwall flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Francisco-Kirkwall flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Francisco-Kirkwall flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-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 San Francisco-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 San Francisco to Kirkwall
Have a flexible travel schedule? Discover the best time to fly to Kirkwall from San Francisco 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.