Cheap Flights from St. Louis (STL) to Kirkwall (KOI)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Kirkwall (KOI)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI)?
Flying in is a good way to save, as it's the cheapest month for flights between STL and KOI. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to KOI. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI)?
There are no daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from STL to KOI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI) last-minute?
Last-minute bookings from STL to KOI are usually more expensive. To lock in the lowest rates, start searching for flights well ahead of time. That said, if your travel plans are flexible, it's possible to land a cheap fare right before your journey.
Is it cheaper to book a STL to KOI flight and hotel package?
You'll typically save money by booking a STL to KOI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal flights and accommodations, consider adding extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Kirkwall Airport (KOI)?
If you booked your STL to KOI flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Kirkwall
Distance
3893 mi

Book with confidence

Book with confidence

St. Louis to Kirkwall Flights

The cheapest times to fly from St. Louis to Kirkwall

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Kirkwall are during the month of . You can find some of the cheapest flights from St. Louis to Kirkwall with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Kirkwall

Sunday is one of the best days to book for cheap flights from St. Louis to Kirkwall: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Kirkwall

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Kirkwall in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Kirkwall flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Kirkwall airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Kirkwall Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.