$1,019+ Cheap flights from Philadelphia (PHL) 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KOI
Dec 16 — Dec 231
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Philadelphia to Kirkwall
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 November 16, 2025.
Round-trip from | $1,019 (British Airways) |
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Find flight deals from Philadelphia to Kirkwall
Best flights from Philadelphia to KirkwallDiscover carefully curated flight deals from Philadelphia to Kirkwall that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 16, 2025.
Discover carefully curated flight deals from Philadelphia to Kirkwall that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 16, 2025.
This British Airways deal was found by Cheapflights users on 11/15. 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.
Fri 5/16:45 pmPHL - KOI
2 stops43h 40mBritish Airways
Tue 5/510:15 amKOI - PHL
2 stops35h 25mBritish Airways
Deal found 11/15![British Airways logo]()
$1,019
This British Airways deal was found by Cheapflights users on 11/13. 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.
Fri 4/176:45 pmPHL - KOI
2 stops39h 45mBritish Airways
Tue 4/2110:15 amKOI - PHL
2 stops35h 25mBritish Airways
Deal found 11/13![British Airways logo]()
$1,021
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia 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 November 16, 2025.
Use the filters below to find and compare flights from Philadelphia to Kirkwall that are best for you.
Fly from
Philadelphia
Fly to
Kirkwall
Route
Depart
Return
Price
PhiladelphiaKirkwall
PHL - KOI
PHLKOI
Philadelphia
Fri 5/1
6:45 pm-7:25 pm
2 stops43h 40m
Kirkwall Arpt
Tue 5/5
10:15 am-4:40 pm
2 stops35h 25m
$1,019
PhiladelphiaKirkwall
PHL - KOI
PHLKOI
Philadelphia
Fri 4/17
6:45 pm-3:30 pm
2 stops39h 45m
Kirkwall Arpt
Tue 4/21
10:15 am-4:40 pm
2 stops35h 25m
$1,021
Best time to book a flight from Philadelphia to Kirkwall
Have a flexible travel schedule? Discover the best time to fly to Kirkwall from Philadelphia 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.