The cheapest times to fly from ORD to KOI are

  • January 8th to March 18th
  • October 8th to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to KOI is mid January. Prices can be as high as $1804 for Saturday flights during mid July, or as low as $790 for Tuesday flights around mid January.


When to Fly to Kirkwall

Flying from Chicago, IL (ORD) to Kirkwall (KOI) will usually cost between $811 to $1516 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid January with an average ticket price of $839. Due to high demand the most expensive time to fly is mid July, with an average price of $1563. Planning your trip to low-cost times can easily save you $724 on economy flights and even more on first-class flights. Generally, any price below $902 can be considered a good price for a round-trip ORD to KOI flight.

See below for a graph of average weekly prices for the ORD to KOI route. All prices are for round-trip tickets in USD.

ORD to KOI Flight Prices

Compared to other flights, the ORD to KOI flight is priced close to the average and costs about as much as the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to KOI, and Monday the cheapest day to fly back into ORD. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $379 (28%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $918. Return trip prices are from the KOI to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to KOI can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 32 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ORD to KOI while comparing.

Destination alternative #1: Inverness Airport (INV) in Inverness

  • 106 miles (171 km) away from KOI
  • Usually 35.86% less expensive than KOI
  • 1-layover flights available

See ORD to INV flights

Destination alternative #2: Aberdeen Dyce Airport (ABZ) in Aberdeen

  • 124 miles (200 km) away from KOI
  • Usually 13.97% less expensive than KOI
  • 1-layover flights available

See ORD to ABZ flights


Flight Hacking ORD to KOI

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from ORD to KOI — but Champion Traveler does!

Hack #1: Inverness (ORD > INV > KOI)

  • Price for both tickets: $790
  • Average savings: $113 (12.47%)

See ORD to INV flights


Flight Questions Answered

Still have questions about flying from ORD to KOI? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Aer Lingus, British Airways, Loganair, Lufthansa, United, and potentially more during busy seasons.

How far away is it from Kirkwall Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 3638 miles or 5855 kilometers.

How long does it take to fly from ORD to KOI?

The real-world flight time for a nonstop ORD to KOI flight is about 7 hour 32 minutes.

How many flights go between Chicago, IL and Kirkwall?

It depends on the day of the week and the date, but a typical day might have around 20 available flights from ORD to KOI.


Airport Location Info


Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States

Return Airport

Destination codeKOI
Destination airport nameKirkwall Airport
Countrythe United Kingdom


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.