Title: Cheap Flights from St. Louis (STL) to Killarney (KIR) - Expedia.ca ![](https://images.trvl-media.com/place/1823/aed2a79a-2483-47d4-8a57-d1be681432b1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1823/aed2a79a-2483-47d4-8a57-d1be681432b1.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from St. Louis (STL) to Killarney (KIR) - [Roundtrip](?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 Killarney (KIR-Kerry) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:stl,to:kir,departure:16/10/2025TANYT&leg2=from:kir,to:stl,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from St. Louis to Killarney (STL - KIR) route information | Origin airport | Lambert-St. Louis Intl. | | --- | --- | | Destination airport | Kerry | | Distance | 6102 km | ## St. Louis to Killarney Flights **The easy way to book your flights from St. Louis to Killarney**  With Expedia, it’s simple to find and book flights to Killarney from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Kerry, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Killarney today, tomorrow, or this week.   **Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Kerry, KIR**  Sort your search results by price to find great deals on your flight from St. Louis to Killarney—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Killarney from St. Louis currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Killarney   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Killarney from St. Louis**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Killarney with Expedia today. ## Frequently asked questions ### How much is a flight from STL to KIR? > If you're travelling from Lambert Field to Kerry Airport (KIR), round-trip journeys start from . This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from STL to KIR? > Each air carrier has different terms and conditions. If you decide to cancel your trip, head to our [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from Lambert-St. Louis Intl. Airport (STL) to Farranfore Airport that have flexible change policies? > Plenty of carriers will allow you to reschedule your flight without charging a fee. All you pay is the cost difference between the two flights. When looking for STL to Kerry Airport (KIR) flights, you'll find a "No change fees" filter for you to select. ### How far is the flight from Lambert Field to Kerry Airport (KIR)? > With around 6,100 kilometres separating St. Louis and Killarney, your flight will be a long one. Pack wisely and make your time on board comfortable. Things like an eye mask and some noise-cancelling headphones can make all the difference. ### Which airlines fly direct from Lambert Field to Kerry Airport (KIR)? > If you want to travel straight from Lambert-St. Louis Intl. Airport (STL) to KIR, you'll have to book a flight with one or more stops. Unfortunately, there aren't any airlines that fly directly on this route. ### Are Lambert-St. Louis Intl. Airport (STL) to Kerry Airport (KIR) flight tickets cheaper when they're purchased at the last minute? > It is possible to score an awesome last-minute deal from Lambert Field to Farranfore Airport, but it's also possible to miss out entirely! As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can feel confident knowing you're always getting the latest offers. ## Explore a world of travel with Expedia - Lodging - Flights - Packages - Cars - Vacation Rental - Other ### Lodging - [Castleisland Hotels](https://www.expedia.ca/Castleisland-Hotels.d6142838.Travel-Guide-Hotels) - [Farmstay in County Kerry](https://www.expedia.ca/County-Kerry-Agritourism.d603084-aaAgritourism.Travel-Guide-Accommodation) - [Aparthotels in County Kerry](https://www.expedia.ca/County-Kerry-Apart-Hotels.d603084-aaApartHotels.Travel-Guide-Accommodation) - [Apartments in County Kerry](https://www.expedia.ca/County-Kerry-Apartments.d603084-aaApartments.Travel-Guide-Accommodation) - [B&B in County Kerry](https://www.expedia.ca/County-Kerry-Bed-And-Breakfast.d603084-aaBedAndBreakfast.Travel-Guide-Accommodation) - [Condo Rentals in County Kerry](https://www.expedia.ca/County-Kerry-Condos.d603084-aaCondos.Travel-Guide-Accommodation) - [Cottages in County Kerry](https://www.expedia.ca/County-Kerry-Cottages.d603084-aaCottages.Travel-Guide-Accommodation) - 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