Title: Cheap Flights from St. Louis to Kirkwall (STL to KOI) - Expedia.co.uk ![St. Magnus Cathedral featuring a church or cathedral, heritage architecture and a cemetery](https://images.trvl-media.com/place/6089049/bc8289a1-a8a6-47cd-b722-a5639172ad73.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6089049/bc8289a1-a8a6-47cd-b722-a5639172ad73.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Kirkwall (KOI) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Lambert-St. Louis International Airport (STL) to Kirkwall (KOI) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:stl,to:koi,departure:30/09/2025TANYT&leg2=from:koi,to:stl,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Travel information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Kirkwall | | Distance | 6230 km | ## Book with confidence ### Compare flights from St. Louis to Kirkwall easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from St. Louis to Kirkwall. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Kirkwall in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Lambert-St. Louis Intl. to Kirkwall.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Lambert-St. Louis Intl. (STL) to Kirkwall (KOI) The easiest way to view the best deals on flights from St. Louis to Kirkwall today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Lambert-St. Louis Intl. to Kirkwall start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near St. Louis and Kirkwall - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your St. Louis to Kirkwall flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Lambert-St. Louis Intl. to Kirkwall for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from St. Louis - [St. Louis to Newark Liberty Intl. Airport (STL - EWR)](https://expedia.co.uk/lp/flights/stl/ewr/st-louis-to-newark-liberty-intl-airport) - [St. Louis to Liverpool (STL - LPL)](https://expedia.co.uk/lp/flights/stl/lpl/st-louis-to-liverpool) - [St. Louis to New York (STL - JFK)](https://expedia.co.uk/lp/flights/stl/jfk/st-louis-to-new-york) - [St. Louis to Dubai (STL - DXB)](https://expedia.co.uk/lp/flights/stl/dxb/st-louis-to-dubai) - [St. Louis to London (STL - LHR)](https://expedia.co.uk/lp/flights/stl/lhr/st-louis-to-london) - [St. Louis to Orlando (STL - MCO)](https://expedia.co.uk/lp/flights/stl/mco/st-louis-to-orlando) - [St. Louis to Manchester (STL - MAN)](https://expedia.co.uk/lp/flights/stl/man/st-louis-to-manchester) ### Top Routes to Kirkwall - [London to Kirkwall (LCY - KOI)](https://expedia.co.uk/lp/flights/lcy/koi/london-to-kirkwall) - [Lerwick to Kirkwall (LSI - KOI)](https://expedia.co.uk/lp/flights/lsi/koi/lerwick-to-kirkwall) - [Edinburgh to Kirkwall (EDI - KOI)](https://expedia.co.uk/lp/flights/edi/koi/edinburgh-to-kirkwall) - [New York to Kirkwall (JFK - KOI)](https://expedia.co.uk/lp/flights/jfk/koi/new-york-to-kirkwall) - [Inverness to Kirkwall (INV - KOI)](https://expedia.co.uk/lp/flights/inv/koi/inverness-to-kirkwall) - [Dublin to Kirkwall (DUB - KOI)](https://expedia.co.uk/lp/flights/dub/koi/dublin-to-kirkwall) - [Birmingham to Kirkwall (BHX - KOI)](https://expedia.co.uk/lp/flights/bhx/koi/birmingham-to-kirkwall) - [Newcastle to Kirkwall (NCL - KOI)](https://expedia.co.uk/lp/flights/ncl/koi/newcastle-to-kirkwall) - [London to Kirkwall (LHR - KOI)](https://expedia.co.uk/lp/flights/lhr/koi/london-to-kirkwall) - [Aberdeen to Kirkwall (ABZ - KOI)](https://expedia.co.uk/lp/flights/abz/koi/aberdeen-to-kirkwall) - [Manchester to Kirkwall (MAN - KOI)](https://expedia.co.uk/lp/flights/man/koi/manchester-to-kirkwall) ### Top Routes to Kirkwall - [British Airways London to Kirkwall](https://expedia.co.uk/lp/flight-routes/british-airways-from-london-city-to-kirkwall/ba/lcy/koi) - [Loganair Lerwick to Kirkwall](https://expedia.co.uk/lp/flight-routes/loganair-from-sumburgh-to-kirkwall/lm/lsi/koi) - 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